Merge pull request #4000 from bluewave-labs/feat/express-5-bump

feat: migrate to Express 5

.github/workflows/check-build.yml

@@ -12,7 +12,7 @@ jobs:
       - name: Set up Node
         uses: actions/setup-node@v4
         with:
-          node-version: 22
+          node-version: 24
 
       - name: Install client dependencies
         working-directory: client
@@ -29,7 +29,7 @@ jobs:
       - name: Set up Node
         uses: actions/setup-node@v4
         with:
-          node-version: 22
+          node-version: 24
 
       - name: Install server dependencies
         working-directory: server

.github/workflows/check-format.yml

@@ -12,7 +12,7 @@ jobs:
       - name: Set up Node
         uses: actions/setup-node@v4
         with:
-          node-version: 22
+          node-version: 24
 
       - name: Install client dependencies
         working-directory: client
@@ -30,7 +30,7 @@ jobs:
       - name: Set up Node
         uses: actions/setup-node@v4
         with:
-          node-version: 22
+          node-version: 24
 
       - name: Install server dependencies
         working-directory: server

.github/workflows/check-tests.yml

@@ -12,7 +12,7 @@ jobs:
       - name: Set up Node
         uses: actions/setup-node@v4
         with:
-          node-version: 22
+          node-version: 24
 
       - name: Install server dependencies
         working-directory: server

CLAUDE.md

@@ -62,7 +62,7 @@ VITE_APP_LOG_LEVEL="debug"
 
 ### Monorepo Structure
 - `/client` - React 18 + TypeScript + Vite + MUI frontend
-- `/server` - Node.js 20+ + Express + TypeScript backend
+- `/server` - Node.js 24+ + Express + TypeScript backend
 - `/docker` - Multi-environment Docker configs (dev, staging, prod, arm, mono)
 
 ### Backend Layers

client/package.json

@@ -2,6 +2,10 @@
 	"name": "client",
 	"private": true,
 	"version": "3.12.0",
+	"engines": {
+		"node": ">=24",
+		"npm": ">=11"
+	},
 	"type": "module",
 	"scripts": {
 		"lockfile": "docker run --rm -v \"$PWD\":/w -w /w $(grep -m1 -o 'node:[^ ]*' ../docker/Dockerfile) npm install --package-lock-only",

client/src/Features/UI/uiSlice.ts

@@ -1,10 +1,16 @@
-import { dashboardCardKeys, type DashboardCardKey } from "@/Types/Dashboard";
+import {
+	dashboardCardKeys,
+	type DashboardCardKey,
+	type DashboardSortOrder,
+} from "@/Types/Dashboard";
+import type { SortOrder } from "@/Types/Query";
 import { createSlice, type PayloadAction } from "@reduxjs/toolkit";
 
 type ThemeMode = "light" | "dark";
 type ChartType = "histogram" | "line";
 
 type TableName =
+	| "dashboard"
 	| "monitors"
 	| "team"
 	| "maintenance"
@@ -15,6 +21,8 @@ type TableName =
 
 interface TableState {
 	rowsPerPage: number;
+	sortField?: string;
+	sortOrder?: SortOrder;
 }
 
 interface SidebarState {
@@ -22,6 +30,7 @@ interface SidebarState {
 }
 
 interface UIState {
+	dashboard: TableState;
 	monitors: TableState;
 	pagespeed: TableState;
 	team: TableState;
@@ -38,6 +47,7 @@ interface UIState {
 	starPromptOpen: boolean;
 	chartType: ChartType;
 	dashboardVisibleCards: DashboardCardKey[];
+	dashboardUptimeSortOrder: DashboardSortOrder;
 }
 
 const initialMode: ThemeMode = window?.matchMedia?.("(prefers-color-scheme: dark)")
@@ -46,6 +56,9 @@ const initialMode: ThemeMode = window?.matchMedia?.("(prefers-color-scheme: dark
 	: "light";
 
 const initialState: UIState = {
+	dashboard: {
+		rowsPerPage: 100,
+	},
 	monitors: {
 		rowsPerPage: 10,
 	},
@@ -78,6 +91,7 @@ const initialState: UIState = {
 	starPromptOpen: true,
 	chartType: "histogram",
 	dashboardVisibleCards: [...dashboardCardKeys],
+	dashboardUptimeSortOrder: "ascending",
 };
 
 const uiSlice = createSlice({
@@ -94,6 +108,14 @@ const uiSlice = createSlice({
 			const { table, value } = action.payload;
 			state[table].rowsPerPage = value;
 		},
+		setTableSort: (
+			state,
+			action: PayloadAction<{ table: TableName; field: string; order: SortOrder }>
+		) => {
+			const { table, field, order } = action.payload;
+			state[table].sortField = field;
+			state[table].sortOrder = order;
+		},
 		toggleSidebar: (state) => {
 			state.sidebar.collapsed = !state.sidebar.collapsed;
 		},
@@ -124,6 +146,9 @@ const uiSlice = createSlice({
 		setDashboardVisibleCards: (state, action: PayloadAction<DashboardCardKey[]>) => {
 			state.dashboardVisibleCards = action.payload;
 		},
+		setDashboardUptimeSortOrder: (state, action: PayloadAction<DashboardSortOrder>) => {
+			state.dashboardUptimeSortOrder = action.payload;
+		},
 	},
 });
 
@@ -131,6 +156,7 @@ export type { UIState, ThemeMode, ChartType, TableName };
 export default uiSlice.reducer;
 export const {
 	setRowsPerPage,
+	setTableSort,
 	toggleSidebar,
 	setCollapsed,
 	setMode,
@@ -141,4 +167,5 @@ export const {
 	setStarPromptOpen,
 	setChartType,
 	setDashboardVisibleCards,
+	setDashboardUptimeSortOrder,
 } = uiSlice.actions;

client/src/Hooks/useMonitorListController.ts

@@ -1,4 +1,4 @@
-import { setRowsPerPage, type TableName } from "@/Features/UI/uiSlice";
+import { setRowsPerPage, setTableSort, type TableName } from "@/Features/UI/uiSlice";
 import { useDelete, useGet } from "@/Hooks/UseApi";
 import { useBulkMonitorActions } from "@/Hooks/useBulkMonitorActions";
 import useDebounce from "@/Hooks/useDebounce";
@@ -10,6 +10,7 @@ import {
 	type MonitorType,
 } from "@/Types/Monitor";
 import type { Tag } from "@/Types/Tag";
+import type { SortOrder } from "@/Types/Query";
 import { useCallback, useMemo, useState } from "react";
 import { useDispatch, useSelector } from "react-redux";
 
@@ -24,10 +25,12 @@ interface MonitorListConfig {
 
 export const useMonitorListController = (config: MonitorListConfig) => {
 	const dispatch = useDispatch();
-	const rowsPerPage = useSelector(
-		(state: RootState) =>
-			state.ui?.[config.rowsPerPageTable]?.rowsPerPage ?? config.rowsPerPageDefault
+	const tableState = useSelector(
+		(state: RootState) => state.ui?.[config.rowsPerPageTable]
 	);
+	const rowsPerPage = tableState?.rowsPerPage ?? config.rowsPerPageDefault;
+	const sortField = tableState?.sortField ?? config.initialSortField ?? "";
+	const sortOrder = tableState?.sortOrder ?? "asc";
 
 	// Filter states
 	const [selectedTypes, setSelectedTypes] = useState<MonitorType[]>([]);
@@ -36,8 +39,6 @@ export const useMonitorListController = (config: MonitorListConfig) => {
 	const [selectedTags, setSelectedTags] = useState<string[]>([]);
 	const [page, setPage] = useState<number>(0);
 	const [search, setSearch] = useState<string>("");
-	const [sortField, setSortField] = useState<string>(config.initialSortField ?? "");
-	const [sortOrder, setSortOrder] = useState<"asc" | "desc">("asc");
 	const [selectedMonitor, setSelectedMonitor] = useState<Monitor | null>(null);
 	const debouncedSearch = useDebounce<string>(search, 300);
 
@@ -135,6 +136,11 @@ export const useMonitorListController = (config: MonitorListConfig) => {
 		setPage(0);
 	};
 
+	const setSort = (field: string, order: SortOrder) => {
+		dispatch(setTableSort({ field, order, table: config.rowsPerPageTable }));
+		setPage(0);
+	};
+
 	// Check for active filters
 	const hasActiveFilters = Boolean(
 		selectedTypes.length > 0 ||
@@ -189,9 +195,8 @@ export const useMonitorListController = (config: MonitorListConfig) => {
 		rowsPerPage,
 		handleSetRowsPerPage,
 		sortField,
-		setSortField,
 		sortOrder,
-		setSortOrder,
+		setSort,
 
 		// Delete
 		selectedMonitor,

client/src/Pages/Dashboard/components/EditCardsModal.tsx

@@ -1,8 +1,11 @@
-import { useState } from "react";
+import { useMemo, useState } from "react";
 import Stack from "@mui/material/Stack";
 import FormControlLabel from "@mui/material/FormControlLabel";
+import Typography from "@mui/material/Typography";
+import { useTheme } from "@mui/material/styles";
 import { useTranslation } from "react-i18next";
 import { Checkbox, Dialog } from "@/Components/inputs";
+import { LAYOUT } from "@/Utils/Theme/constants";
 import { type DashboardCardKey, dashboardCardKeys } from "@/Types/Dashboard";
 
 interface EditCardsModalProps {
@@ -18,16 +21,19 @@ export const EditCardsModal = ({
 	onClose,
 	onSave,
 }: EditCardsModalProps) => {
+	const theme = useTheme();
 	const { t } = useTranslation();
-	const [draft, setDraft] = useState<Set<DashboardCardKey>>(new Set(visibleCards));
+	const [cardsSelection, setCardsSelection] = useState<Set<DashboardCardKey>>(
+		new Set(visibleCards)
+	);
 
 	const handleClose = () => {
-		setDraft(new Set(visibleCards));
+		setCardsSelection(new Set(visibleCards));
 		onClose();
 	};
 
 	const handleToggle = (key: DashboardCardKey) => {
-		setDraft((prev) => {
+		setCardsSelection((prev) => {
 			const next = new Set(prev);
 			if (next.has(key)) {
 				next.delete(key);
@@ -38,26 +44,40 @@ export const EditCardsModal = ({
 		});
 	};
 
+	const sortedCardKeys = useMemo(
+		() =>
+			[...dashboardCardKeys].sort((a, b) =>
+				t(`pages.dashboard.cards.${a}`).localeCompare(t(`pages.dashboard.cards.${b}`))
+			),
+		[t]
+	);
+
 	return (
 		<Dialog
 			open={open}
 			title={t("pages.dashboard.editCardsModal.title")}
 			content={t("pages.dashboard.editCardsModal.description")}
 			onCancel={handleClose}
-			onConfirm={() => onSave(draft)}
+			onConfirm={() => onSave(cardsSelection)}
 			confirmText={t("pages.dashboard.editCardsModal.done")}
 			maxWidth="xs"
 			fullWidth
 		>
-			<Stack>
-				{dashboardCardKeys.map((key: DashboardCardKey) => (
+			<Stack gap={theme.spacing(LAYOUT.XXS)}>
+				<Typography
+					variant="eyebrow"
+					color={theme.palette.text.disabled}
+				>
+					{t("pages.dashboard.editCardsModal.groups.uptime")}
+				</Typography>
+				{sortedCardKeys.map((key: DashboardCardKey) => (
 					<FormControlLabel
 						key={key}
 						label={t(`pages.dashboard.cards.${key}`)}
 						control={
 							<Checkbox
-								checked={draft.has(key)}
-								disabled={draft.has(key) && draft.size === 1}
+								checked={cardsSelection.has(key)}
+								disabled={cardsSelection.has(key) && cardsSelection.size === 1}
 								onChange={() => handleToggle(key)}
 							/>
 						}

client/src/Pages/Dashboard/components/cards/CurrentlyDownCard.tsx

@@ -0,0 +1,58 @@
+import Stack from "@mui/material/Stack";
+import Typography from "@mui/material/Typography";
+import { useTheme } from "@mui/material/styles";
+import { useTranslation } from "react-i18next";
+import { DashboardCard } from "@/Pages/Dashboard/components/DashboardCard";
+import { Dot } from "@/Components/design-elements";
+import { typographyLevels } from "@/Utils/Theme/Palette";
+import { LAYOUT } from "@/Utils/Theme/constants";
+import type { Monitor } from "@/Types/Monitor";
+
+interface CurrentlyDownCardProps {
+	monitors: Monitor[];
+}
+
+export const CurrentlyDownCard = ({ monitors }: CurrentlyDownCardProps) => {
+	const theme = useTheme();
+	const { t } = useTranslation();
+
+	const downMonitors = monitors.filter((monitor) => monitor.status === "down");
+
+	return (
+		<DashboardCard
+			title={t("pages.dashboard.cards.currentlyDown")}
+			topRight={downMonitors.length > 0 ? downMonitors.length : undefined}
+		>
+			{downMonitors.length === 0 ? (
+				<Typography
+					fontSize={typographyLevels.m}
+					color={theme.palette.text.disabled}
+				>
+					{t("pages.dashboard.currentlyDown.empty")}
+				</Typography>
+			) : (
+				<Stack gap={theme.spacing(LAYOUT.SM)}>
+					{downMonitors.map((monitor) => (
+						<Stack
+							key={monitor.id}
+							direction="row"
+							alignItems="center"
+							gap={theme.spacing(LAYOUT.XS)}
+						>
+							<Dot color={theme.palette.error.main} />
+							<Typography
+								fontSize={typographyLevels.m}
+								color={theme.palette.text.primary}
+								overflow="hidden"
+								textOverflow="ellipsis"
+								whiteSpace="nowrap"
+							>
+								{monitor.name}
+							</Typography>
+						</Stack>
+					))}
+				</Stack>
+			)}
+		</DashboardCard>
+	);
+};

client/src/Pages/Dashboard/components/cards/UptimeCard.tsx

@@ -0,0 +1,90 @@
+import IconButton from "@mui/material/IconButton";
+import Stack from "@mui/material/Stack";
+import Typography from "@mui/material/Typography";
+import { useTheme } from "@mui/material/styles";
+import { useTranslation } from "react-i18next";
+import { useDispatch, useSelector } from "react-redux";
+import { ArrowDown, ArrowUp } from "lucide-react";
+import { Icon } from "@/Components/design-elements";
+import { DashboardCard } from "@/Pages/Dashboard/components/DashboardCard";
+import { BarRow } from "@/Pages/Dashboard/components/cards/BarRow";
+import { getUptimePercentageColor } from "@/Utils/MonitorUtils";
+import { formatPercentage } from "@/Utils/FormatUtils";
+import { typographyLevels } from "@/Utils/Theme/Palette";
+import { LAYOUT } from "@/Utils/Theme/constants";
+import { setDashboardUptimeSortOrder } from "@/Features/UI/uiSlice";
+import type { Monitor } from "@/Types/Monitor";
+import type { AppDispatch, RootState } from "@/store";
+
+const TOP_N = 5;
+
+interface UptimeCardProps {
+	monitors: Monitor[];
+}
+
+export const UptimeCard = ({ monitors }: UptimeCardProps) => {
+	const theme = useTheme();
+	const { t } = useTranslation();
+	const dispatch = useDispatch<AppDispatch>();
+	const sortOrder = useSelector((state: RootState) => state.ui.dashboardUptimeSortOrder);
+
+	const direction = sortOrder === "ascending" ? 1 : -1;
+	const ranked = monitors
+		.filter((monitor) => monitor.status !== "paused")
+		.filter(
+			(monitor): monitor is Monitor & { uptimePercentage: number } =>
+				typeof monitor.uptimePercentage === "number"
+		)
+		.sort((a, b) => direction * (a.uptimePercentage - b.uptimePercentage))
+		.slice(0, TOP_N);
+
+	return (
+		<DashboardCard
+			title={t("pages.dashboard.cards.uptime")}
+			topRight={
+				<IconButton
+					size="small"
+					aria-label={t("pages.dashboard.uptimeCard.toggleSortOrder")}
+					onClick={() =>
+						dispatch(
+							setDashboardUptimeSortOrder(
+								sortOrder === "ascending" ? "descending" : "ascending"
+							)
+						)
+					}
+				>
+					<Icon
+						icon={sortOrder === "ascending" ? ArrowUp : ArrowDown}
+						size={16}
+						color={theme.palette.text.secondary}
+					/>
+				</IconButton>
+			}
+		>
+			{ranked.length === 0 ? (
+				<Typography
+					fontSize={typographyLevels.m}
+					color={theme.palette.text.disabled}
+				>
+					{t("pages.dashboard.noData")}
+				</Typography>
+			) : (
+				<Stack gap={theme.spacing(LAYOUT.SM)}>
+					{ranked.map((monitor) => {
+						const paletteKey = getUptimePercentageColor(monitor.uptimePercentage);
+						const color = theme.palette[paletteKey].main;
+						return (
+							<BarRow
+								key={monitor.id}
+								label={monitor.name}
+								value={formatPercentage(monitor.uptimePercentage)}
+								fillRatio={monitor.uptimePercentage}
+								valueColor={color}
+							/>
+						);
+					})}
+				</Stack>
+			)}
+		</DashboardCard>
+	);
+};

client/src/Pages/Dashboard/index.tsx

@@ -14,6 +14,8 @@ import { setDashboardVisibleCards } from "@/Features/UI/uiSlice";
 import type { RootState, AppDispatch } from "@/store";
 
 import { MonitorStatusCard } from "@/Pages/Dashboard/components/cards/MonitorStatusCard";
+import { CurrentlyDownCard } from "@/Pages/Dashboard/components/cards/CurrentlyDownCard";
+import { UptimeCard } from "@/Pages/Dashboard/components/cards/UptimeCard";
 import { MonitorsByTypeCard } from "@/Pages/Dashboard/components/cards/MonitorsByTypeCard";
 import { EditCardsModal } from "@/Pages/Dashboard/components/EditCardsModal";
 import { type DashboardCardKey, dashboardCardKeys } from "@/Types/Dashboard";
@@ -32,7 +34,7 @@ const Dashboard = () => {
 		types: [...MonitorTypes],
 		checksLimit: 1,
 		refreshInterval: 30000,
-		rowsPerPageTable: "monitors",
+		rowsPerPageTable: "dashboard",
 		rowsPerPageDefault: 100,
 	});
 
@@ -48,6 +50,8 @@ const Dashboard = () => {
 
 	const cardComponents: Record<DashboardCardKey, ReactNode> = {
 		monitorStatus: <MonitorStatusCard summary={summary} />,
+		currentlyDown: <CurrentlyDownCard monitors={monitors ?? []} />,
+		uptime: <UptimeCard monitors={monitors ?? []} />,
 		monitorsByType: <MonitorsByTypeCard monitorsByType={monitorsByType} />,
 	};
 

client/src/Pages/Docker/Monitors/Components/DockerMonitorsTable.tsx

@@ -8,6 +8,7 @@ import {
 	ColoredLabel,
 } from "@/Components/design-elements";
 import { SPACING } from "@/Utils/Theme/constants";
+import { getNextMonitorSort } from "@/Utils/MonitorUtils";
 import type { Header } from "@/Components/design-elements/Table";
 import { ActionsMenu, type ActionMenuItem } from "@/Components/actions-menu";
 import { ArrowUp, ArrowDown } from "lucide-react";
@@ -20,6 +21,7 @@ import { usePost } from "@/Hooks/UseApi";
 
 import type { Monitor } from "@/Types/Monitor";
 import type { Tag } from "@/Types/Tag";
+import type { SortOrder } from "@/Types/Query";
 import type { DockerContainerSummary } from "@/Types/Check";
 import { Checkbox } from "@/Components/inputs";
 
@@ -34,9 +36,8 @@ interface DockerMonitorsTableProps {
 	refetch: () => void;
 	setSelectedMonitor: (monitor: Monitor | null) => void;
 	sortField: string;
-	setSortField: (field: string) => void;
-	sortOrder: "asc" | "desc";
-	setSortOrder: (order: "asc" | "desc") => void;
+	sortOrder: SortOrder;
+	setSort: (field: string, order: SortOrder) => void;
 	count: number;
 	page: number;
 	setPage: (page: number) => void;
@@ -52,9 +53,8 @@ export const DockerMonitorsTable = ({
 	refetch,
 	setSelectedMonitor,
 	sortField,
-	setSortField,
 	sortOrder,
-	setSortOrder,
+	setSort,
 	count,
 	page,
 	setPage,
@@ -105,14 +105,8 @@ export const DockerMonitorsTable = ({
 	const handleSort = (e: React.MouseEvent, field: string) => {
 		e.preventDefault();
 		e.stopPropagation();
-		if (sortField === field) {
-			const newOrder = sortOrder === "asc" ? "desc" : "asc";
-			setSortOrder(newOrder);
-		} else {
-			setSortField(field);
-			setSortOrder("asc");
-		}
-		refetch();
+		const nextSort = getNextMonitorSort(field, sortField, sortOrder);
+		setSort(nextSort.field, nextSort.order);
 	};
 
 	const getActions = (monitor: Monitor): ActionMenuItem[] => {

client/src/Pages/Docker/Monitors/index.tsx

@@ -31,9 +31,8 @@ const DockerMonitorsPage = () => {
 				setPage={c.setPage}
 				rowsPerPage={c.rowsPerPage}
 				sortField={c.sortField}
-				setSortField={c.setSortField}
 				sortOrder={c.sortOrder}
-				setSortOrder={c.setSortOrder}
+				setSort={c.setSort}
 				setRowsPerPage={c.handleSetRowsPerPage}
 				selectedRows={c.selectedRows}
 				onSelectionChange={c.setSelectedRows}

client/src/Pages/Infrastructure/Monitors/Components/MonitorsTable.tsx

@@ -9,6 +9,7 @@ import {
 	ColoredLabel,
 } from "@/Components/design-elements";
 import { SPACING } from "@/Utils/Theme/constants";
+import { getNextMonitorSort } from "@/Utils/MonitorUtils";
 import type { Header } from "@/Components/design-elements/Table";
 import { ActionsMenu, type ActionMenuItem } from "@/Components/actions-menu";
 import { ArrowUp, ArrowDown } from "lucide-react";
@@ -21,6 +22,7 @@ import { usePost } from "@/Hooks/UseApi";
 
 import type { Monitor } from "@/Types/Monitor";
 import type { Tag } from "@/Types/Tag";
+import type { SortOrder } from "@/Types/Query";
 import { Checkbox } from "@/Components/inputs";
 
 interface InfraMonitorsTableProps {
@@ -29,9 +31,8 @@ interface InfraMonitorsTableProps {
 	refetch: () => void;
 	setSelectedMonitor: (monitor: Monitor | null) => void;
 	sortField: string;
-	setSortField: (field: string) => void;
-	sortOrder: "asc" | "desc";
-	setSortOrder: (order: "asc" | "desc") => void;
+	sortOrder: SortOrder;
+	setSort: (field: string, order: SortOrder) => void;
 	count: number;
 	page: number;
 	setPage: (page: number) => void;
@@ -47,9 +48,8 @@ export const InfraMonitorsTable = ({
 	refetch,
 	setSelectedMonitor,
 	sortField,
-	setSortField,
 	sortOrder,
-	setSortOrder,
+	setSort,
 	count,
 	page,
 	setPage,
@@ -100,14 +100,8 @@ export const InfraMonitorsTable = ({
 	const handleSort = (e: React.MouseEvent, field: string) => {
 		e.preventDefault();
 		e.stopPropagation();
-		if (sortField === field) {
-			const newOrder = sortOrder === "asc" ? "desc" : "asc";
-			setSortOrder(newOrder);
-		} else {
-			setSortField(field);
-			setSortOrder("asc");
-		}
-		refetch();
+		const nextSort = getNextMonitorSort(field, sortField, sortOrder);
+		setSort(nextSort.field, nextSort.order);
 	};
 
 	const getActions = (monitor: Monitor): ActionMenuItem[] => {

client/src/Pages/Infrastructure/Monitors/index.tsx

@@ -31,9 +31,8 @@ const InfrastructureMonitors = () => {
 				setPage={c.setPage}
 				rowsPerPage={c.rowsPerPage}
 				sortField={c.sortField}
-				setSortField={c.setSortField}
 				sortOrder={c.sortOrder}
-				setSortOrder={c.setSortOrder}
+				setSort={c.setSort}
 				setRowsPerPage={c.handleSetRowsPerPage}
 				selectedRows={c.selectedRows}
 				onSelectionChange={c.setSelectedRows}

client/src/Pages/PageSpeed/Monitors/Components/PageSpeedMonitorsTable.tsx

@@ -9,6 +9,7 @@ import {
 	ColoredLabel,
 } from "@/Components/design-elements";
 import { LAYOUT, SPACING } from "@/Utils/Theme/constants";
+import { getNextMonitorSort } from "@/Utils/MonitorUtils";
 import { HistogramPageSpeed } from "@/Components/monitors";
 import { ArrowDown, ArrowUp } from "lucide-react";
 import type { Header } from "@/Components/design-elements/Table";
@@ -22,6 +23,7 @@ import { usePatch } from "@/Hooks/UseApi";
 
 import type { Monitor, MonitorWithChecks } from "@/Types/Monitor";
 import type { Tag } from "@/Types/Tag";
+import type { SortOrder } from "@/Types/Query";
 import type { ActionMenuItem } from "@/Components/actions-menu";
 
 export const PageSpeedMonitorsTable = ({
@@ -30,9 +32,8 @@ export const PageSpeedMonitorsTable = ({
 	refetch,
 	setSelectedMonitor,
 	sortField,
-	setSortField,
 	sortOrder,
-	setSortOrder,
+	setSort,
 	count,
 	page,
 	setPage,
@@ -44,9 +45,8 @@ export const PageSpeedMonitorsTable = ({
 	refetch: Function;
 	setSelectedMonitor: Function;
 	sortField: string;
-	setSortField: (field: string) => void;
-	sortOrder: "asc" | "desc";
-	setSortOrder: (order: "asc" | "desc") => void;
+	sortOrder: SortOrder;
+	setSort: (field: string, order: SortOrder) => void;
 	count: number;
 	page: number;
 	setPage: (page: number) => void;
@@ -81,14 +81,8 @@ export const PageSpeedMonitorsTable = ({
 	const handleSort = (e: any, field: string) => {
 		e.preventDefault();
 		e.stopPropagation();
-		if (sortField === field) {
-			const newOrder = sortOrder === "asc" ? "desc" : "asc";
-			setSortOrder(newOrder);
-		} else {
-			setSortField(field);
-			setSortOrder("asc");
-		}
-		refetch();
+		const nextSort = getNextMonitorSort(field, sortField, sortOrder);
+		setSort(nextSort.field, nextSort.order);
 	};
 
 	const getActions = (monitor: Monitor): ActionMenuItem[] => {

client/src/Pages/PageSpeed/Monitors/index.tsx

@@ -46,9 +46,8 @@ const PageSpeedMonitorsPage = () => {
 				setPage={c.setPage}
 				rowsPerPage={c.rowsPerPage}
 				sortField={c.sortField}
-				setSortField={c.setSortField}
 				sortOrder={c.sortOrder}
-				setSortOrder={c.setSortOrder}
+				setSort={c.setSort}
 				setRowsPerPage={c.handleSetRowsPerPage}
 			/>
 		</MonitorListPage>

client/src/Pages/Uptime/Monitors/Components/UptimeMonitorsTable.tsx

@@ -24,8 +24,9 @@ import type { ActionMenuItem } from "@/Components/actions-menu";
 import type { RootState } from "@/Types/state";
 import { Checkbox } from "@/Components/inputs";
 import type { Tag } from "@/Types/Tag";
+import type { SortOrder } from "@/Types/Query";
 import { SPACING } from "@/Utils/Theme/constants";
-import { getUptimePercentageColor } from "@/Utils/MonitorUtils";
+import { getNextMonitorSort, getUptimePercentageColor } from "@/Utils/MonitorUtils";
 import { formatPercentage } from "@/Utils/FormatUtils";
 
 interface MonitorTableProps {
@@ -34,9 +35,8 @@ interface MonitorTableProps {
 	refetch: () => void;
 	setSelectedMonitor: (monitor: Monitor | null) => void;
 	sortField: string;
-	setSortField: (field: string) => void;
-	sortOrder: "asc" | "desc";
-	setSortOrder: (order: "asc" | "desc") => void;
+	sortOrder: SortOrder;
+	setSort: (field: string, order: SortOrder) => void;
 	count: number;
 	page: number;
 	setPage: (page: number) => void;
@@ -52,9 +52,8 @@ export const MonitorTable = ({
 	refetch,
 	setSelectedMonitor,
 	sortField,
-	setSortField,
 	sortOrder,
-	setSortOrder,
+	setSort,
 	count,
 	page,
 	setPage,
@@ -91,14 +90,8 @@ export const MonitorTable = ({
 	const handleSort = (e: React.MouseEvent, field: string) => {
 		e.preventDefault();
 		e.stopPropagation();
-		if (sortField === field) {
-			const newOrder = sortOrder === "asc" ? "desc" : "asc";
-			setSortOrder(newOrder);
-		} else {
-			setSortField(field);
-			setSortOrder("asc");
-		}
-		refetch();
+		const nextSort = getNextMonitorSort(field, sortField, sortOrder);
+		setSort(nextSort.field, nextSort.order);
 	};
 
 	const isBrowserOpenable = (monitor: Monitor): boolean => {

client/src/Pages/Uptime/Monitors/index.tsx

@@ -30,9 +30,8 @@ const UptimeMonitorsPage = () => {
 				setPage={monitorListController.setPage}
 				rowsPerPage={monitorListController.rowsPerPage}
 				sortField={monitorListController.sortField}
-				setSortField={monitorListController.setSortField}
 				sortOrder={monitorListController.sortOrder}
-				setSortOrder={monitorListController.setSortOrder}
+				setSort={monitorListController.setSort}
 				setRowsPerPage={monitorListController.handleSetRowsPerPage}
 				selectedRows={monitorListController.selectedRows}
 				onSelectionChange={monitorListController.setSelectedRows}

client/src/Types/Dashboard.ts

@@ -1,2 +1,10 @@
-export const dashboardCardKeys = ["monitorStatus", "monitorsByType"] as const;
+export const dashboardCardKeys = [
+	"monitorStatus",
+	"currentlyDown",
+	"uptime",
+	"monitorsByType",
+] as const;
 export type DashboardCardKey = (typeof dashboardCardKeys)[number];
+
+export const dashboardSortOrders = ["ascending", "descending"] as const;
+export type DashboardSortOrder = (typeof dashboardSortOrders)[number];

client/src/Types/Query.ts

@@ -1,2 +1,5 @@
 export const DateRanges = ["recent", "hour", "day", "week", "month", "all"] as const;
 export type DateRange = (typeof DateRanges)[number];
+
+export const SortOrders = ["asc", "desc"] as const;
+export type SortOrder = (typeof SortOrders)[number];

client/src/Utils/MonitorUtils.ts

@@ -1,4 +1,5 @@
 import type { MonitorStatus, MonitorType } from "@/Types/Monitor";
+import type { SortOrder } from "@/Types/Query";
 import type { PaletteKey } from "@/Utils/Theme/Theme";
 import type { ValueType } from "@/Components/design-elements/StatusLabel";
 import {
@@ -10,6 +11,16 @@ import {
 	type DockerLogLine,
 } from "@/Types/Check";
 
+export const getNextMonitorSort = (
+	field: string,
+	sortField: string,
+	sortOrder: SortOrder
+): { field: string; order: SortOrder } => {
+	if (field !== sortField) return { field, order: "asc" };
+	if (sortOrder === "asc") return { field, order: "desc" };
+	return { field: "", order: "asc" };
+};
+
 export const getMonitorPath = (type: MonitorType): string => {
 	const pathMap: Record<MonitorType, string> = {
 		http: "uptime",

client/src/locales/en.json

@@ -1936,16 +1936,27 @@
 			},
 			"cards": {
 				"monitorStatus": "Monitor status",
+				"currentlyDown": "Currently down",
+				"uptime": "Monitor uptime",
 				"monitorsByType": "Monitors by type"
 			},
+			"uptimeCard": {
+				"toggleSortOrder": "Toggle sort order"
+			},
+			"currentlyDown": {
+				"empty": "No monitors are down at this moment."
+			},
 			"header": {
 				"title": "Dashboard",
 				"description": "See every monitor type in one place and spot what needs attention."
 			},
 			"editCards": "Edit cards",
 			"editCardsModal": {
-				"title": "Edit cards",
+				"title": "Dashboard cards",
 				"description": "Select the cards to display on your dashboard.",
+				"groups": {
+					"uptime": "Uptime"
+				},
 				"done": "Done"
 			}
 		}

docker/Dockerfile

@@ -4,7 +4,7 @@
 # Build on the host arch (BUILDPLATFORM) rather than under QEMU — the output is
 # pure JS so it's arch-independent, and this avoids the esbuild host/native
 # binary version mismatch under emulation.
-FROM --platform=$BUILDPLATFORM node:22-slim AS frontend-build
+FROM --platform=$BUILDPLATFORM node:24-slim AS frontend-build
 
 WORKDIR /app/client
 
@@ -19,7 +19,7 @@ RUN npm run build
 # ---------------------
 # Backend stage
 # ---------------------
-FROM node:22-slim AS app
+FROM node:24-slim AS app
 
 # Install ping
 RUN apt-get update \

server/package.json

@@ -30,7 +30,8 @@
 	"author": "",
 	"license": "ISC",
 	"engines": {
-		"node": ">=20"
+		"node": ">=24",
+		"npm": ">=11"
 	},
 	"dependencies": {
 		"@csstools/css-tokenizer": "^3.0.4",
@@ -45,7 +46,7 @@
 		"dayjs": "^1.11.23",
 		"dockerode": "5.0.0",
 		"dotenv": "^16.4.5",
-		"express": "^4.19.2",
+		"express": "5.2.1",
 		"express-rate-limit": "^8.5.1",
 		"gamedig": "5.2.0",
 		"got": "14.4.7",
@@ -58,11 +59,11 @@
 		"jsonwebtoken": "9.0.2",
 		"mjml": "^5.0.0-alpha.4",
 		"mongoose": "^8.3.3",
-		"multer": "^1.4.5-lts.2",
-		"nodemailer": "9.0.5",
+		"multer": "2.4.0",
+		"nodemailer": "9.1.1",
 		"ping": "0.4.4",
 		"re2": "^1.24.1",
-		"sharp": "0.35.3",
+		"sharp": "0.35.4",
 		"ssl-checker": "2.0.10",
 		"swagger-ui-express": "5.0.1",
 		"tldts": "^7.4.10",

server/src/api/controllers/controllerUtils.ts

@@ -1,5 +1,5 @@
 import { AppError } from "@/utils/AppError.js";
-import { Monitor, MonitorTypes, type MonitorType } from "@/domain/monitors/monitor.type.js";
+import { Monitor } from "@/domain/monitors/monitor.type.js";
 import { UserRole } from "@/domain/users/user.type.js";
 import sslChecker, { SSLDetails } from "ssl-checker";
 import * as whoiser from "whoiser";
@@ -124,23 +124,6 @@ export const fetchMonitorDomain = async (
 	return domainExpiry;
 };
 
-export const requireString = (value: unknown, fieldName: string): string => {
-	if (typeof value === "string" && value.trim().length > 0) {
-		return value;
-	}
-	throw new AppError({ message: `${fieldName} is required`, status: 400 });
-};
-
-export const optionalString = (value: unknown, fieldName: string): string | undefined => {
-	if (value === undefined) {
-		return undefined;
-	}
-	if (typeof value === "string") {
-		return value;
-	}
-	throw new AppError({ message: `${fieldName} must be a string`, status: 400 });
-};
-
 export const extractString = (value: unknown): string | undefined => {
 	const candidate = Array.isArray(value) ? value[0] : value;
 	if (typeof candidate !== "string" || candidate.length === 0) {
@@ -149,52 +132,6 @@ export const extractString = (value: unknown): string | undefined => {
 	return candidate;
 };
 
-export const optionalNumber = (value: unknown, fieldName: string): number | undefined => {
-	if (value === undefined) {
-		return undefined;
-	}
-	if (typeof value === "number" && Number.isFinite(value)) {
-		return value;
-	}
-	if (typeof value === "string" && value.trim() !== "") {
-		const parsed = Number(value);
-		if (!Number.isNaN(parsed)) {
-			return parsed;
-		}
-	}
-	throw new AppError({ message: `${fieldName} must be a number`, status: 400 });
-};
-
-export const parseMonitorTypeFilter = (value: unknown): MonitorType | MonitorType[] | undefined => {
-	const parseSingle = (input: unknown): MonitorType => {
-		if (typeof input !== "string") {
-			throw new AppError({ message: "Monitor type must be a string", status: 400 });
-		}
-		if (!MonitorTypes.includes(input as MonitorType)) {
-			throw new AppError({ message: `Invalid monitor type: ${input}`, status: 400 });
-		}
-		return input as MonitorType;
-	};
-
-	if (value === undefined) {
-		return undefined;
-	}
-	if (Array.isArray(value)) {
-		return value.map((entry) => parseSingle(entry));
-	}
-	return parseSingle(value);
-};
-
-export const parseSortOrder = (value: unknown): "asc" | "desc" | undefined => {
-	if (value === undefined) {
-		return undefined;
-	}
-	if (value === "asc" || value === "desc") {
-		return value;
-	}
-	throw new AppError({ message: "order must be either 'asc' or 'desc'", status: 400 });
-};
-
 export const requireTeamId = (teamId?: string): string => {
 	if (!teamId) {
 		throw new AppError({ message: "Team ID is required", status: 400 });

server/src/api/middleware/sanitization.ts

@@ -53,14 +53,10 @@ export const sanitizeBody = (options = {}): ((req: Request, res: Response, next:
 
 export const sanitizeQuery = (options = {}): ((req: Request, res: Response, next: NextFunction) => void) => {
 	return (req: Request, res: Response, next: NextFunction) => {
-		if (req.query && typeof req.query === "object") {
-			for (const key of Object.keys(req.query)) {
-				const value = req.query[key];
-				if (typeof value === "string") {
-					req.query[key] = sanitizeInput(value, options);
-				}
-			}
-		}
+		const sanitized = Object.fromEntries(
+			Object.entries(req.query).map(([key, value]) => [key, typeof value === "string" ? sanitizeInput(value, options) : value])
+		);
+		Object.defineProperty(req, "query", { value: sanitized, writable: true, configurable: true, enumerable: true });
 		next();
 	};
 };

server/src/app.ts

@@ -122,7 +122,7 @@ export const createApp = ({
 	setupRoutes(app, controllers, services);
 
 	// FE routes
-	app.get("*", (req, res) => {
+	app.get("/{*splat}", (req, res) => {
 		res.sendFile(path.join(frontendPath, "index.html"));
 	});
 	app.use(handleErrors(services.logger));

server/src/config/services.worker.ts

@@ -1,5 +1,4 @@
 import { Resolver } from "dns/promises";
-import axios from "axios";
 import got from "got";
 import ping from "ping";
 import Docker from "dockerode";
@@ -13,7 +12,7 @@ import mongoose from "mongoose";
 
 import { EnvConfig } from "@/domain/app-settings/app-settings.service.js";
 import { SharedServices } from "@/config/services.shared.js";
-import { INetworkService, NetworkService } from "@/service/networkService.js";
+import { IProviderRegistry, ProviderRegistry } from "@/service/networkProviders/providerRegistry.js";
 import { IBufferService, BufferService } from "@/service/bufferService.js";
 import { IStatusService, StatusService } from "@/service/statusService.js";
 import { SecretsRotationService } from "@/service/encryption/secretsRotationService.js";
@@ -24,25 +23,25 @@ import { NotificationReactor } from "@/worker/reactors/reactor.notification.js";
 import { IncidentReactor } from "@/worker/reactors/reactor.incident.js";
 import { ReactorDispatcher } from "@/worker/reactors/reactor.dispatcher.js";
 import { DBQueueWorker } from "@/worker/worker.db-queue.js";
-import { ProxyResolver } from "@/service/network/ProxyResolver.js";
+import { ProxyResolver } from "@/service/networkProviders/ProxyResolver.js";
 import { IEgressService, EgressService } from "@/domain/egress/egress.service.js";
 // Network providers
-import { PingProvider } from "@/service/network/PingProvider.js";
-import { HttpProvider } from "@/service/network/HttpProvider.js";
-import { AdvancedMatcher } from "@/service/network/AdvancedMatcher.js";
-import { PageSpeedProvider } from "@/service/network/PageSpeedProvider.js";
-import { HardwareProvider } from "@/service/network/HardwareProvider.js";
-import { DockerProvider } from "@/service/network/DockerProvider.js";
-import { PortProvider } from "@/service/network/PortProvider.js";
-import { GameProvider } from "@/service/network/GameProvider.js";
-import { GrpcProvider } from "@/service/network/GrpcProvider.js";
-import { WebSocketProvider } from "@/service/network/WebSocketProvider.js";
-import { DNSProvider } from "@/service/network/DNSProvider.js";
+import { PingProvider } from "@/service/networkProviders/PingProvider.js";
+import { HttpProvider } from "@/service/networkProviders/HttpProvider.js";
+import { AdvancedMatcher } from "@/service/networkProviders/AdvancedMatcher.js";
+import { PageSpeedProvider } from "@/service/networkProviders/PageSpeedProvider.js";
+import { HardwareProvider } from "@/service/networkProviders/HardwareProvider.js";
+import { DockerProvider } from "@/service/networkProviders/DockerProvider.js";
+import { PortProvider } from "@/service/networkProviders/PortProvider.js";
+import { GameProvider } from "@/service/networkProviders/GameProvider.js";
+import { GrpcProvider } from "@/service/networkProviders/GrpcProvider.js";
+import { WebSocketProvider } from "@/service/networkProviders/WebSocketProvider.js";
+import { DNSProvider } from "@/service/networkProviders/DNSProvider.js";
 import { AppError } from "@/utils/AppError.js";
 import { WorkerPipeline } from "@/worker/worker.pipeline.js";
 export interface WorkerServices {
 	worker: IQueueWorker;
-	networkService: INetworkService;
+	networkService: IProviderRegistry;
 	bufferService: IBufferService;
 	statusService: IStatusService;
 	egressService: IEgressService;
@@ -87,7 +86,7 @@ export const buildWorker = async (shared: SharedServices, envSettings: EnvConfig
 	const webSocketProvider = new WebSocketProvider(WebSocket);
 	const dnsProvider = new DNSProvider(() => new Resolver());
 
-	const networkService = new NetworkService(axios, logger, [
+	const providerRegistry = new ProviderRegistry([
 		pingProvider,
 		httpProvider,
 		pageSpeedProvider,
@@ -105,7 +104,7 @@ export const buildWorker = async (shared: SharedServices, envSettings: EnvConfig
 		pipeline.ingestChecks(checks)
 	);
 	const statusService = new StatusService(logger, monitorsRepository, monitorStatsRepository);
-	const egressService = new EgressService(settingsService, egressStateRepository, jobsRepository, networkService, proxyResolver, logger);
+	const egressService = new EgressService(settingsService, egressStateRepository, jobsRepository, providerRegistry, proxyResolver, logger);
 
 	const notificationReactor = new NotificationReactor(notificationsService);
 	const incidentReactor = new IncidentReactor(incidentService);
@@ -118,7 +117,7 @@ export const buildWorker = async (shared: SharedServices, envSettings: EnvConfig
 		checksRepository,
 		jobsRepository,
 		checkService,
-		networkService,
+		providerRegistry: providerRegistry,
 		proxyResolver,
 		bufferService,
 		dockerLogsService,
@@ -188,5 +187,5 @@ export const buildWorker = async (shared: SharedServices, envSettings: EnvConfig
 		});
 	}
 
-	return { worker, networkService, bufferService, statusService, egressService };
+	return { worker, networkService: providerRegistry, bufferService, statusService, egressService };
 };

server/src/domain/checks/check.service.ts

@@ -13,7 +13,6 @@ const SERVICE_NAME = "checkService";
 export interface ICheckService {
 	createChecks(checks: Check[]): Promise<Check[]>;
 	toCheck(statusResponse: MonitorStatusResponse<MonitorPayloadMap[keyof MonitorPayloadMap]>): Check | undefined;
-	toStatusResponse(check: Check): MonitorStatusResponse<MonitorPayloadMap[keyof MonitorPayloadMap]>;
 	getChecksByMonitor(params: {
 		monitorId: string;
 		teamId: string;
@@ -135,32 +134,6 @@ export class CheckService implements ICheckService {
 		return check;
 	};
 
-	private toPayload = (check: Check): HardwareStatusPayload | DockerStatusPayload | undefined => {
-		switch (check.metadata.type) {
-			case "hardware":
-				return { data: { cpu: check.cpu, memory: check.memory, disk: check.disk, host: check.host, net: check.net } } as HardwareStatusPayload;
-			case "docker":
-				return check.containers ? { containers: check.containers, summary: check.containerSummary } : undefined;
-			default:
-				return undefined;
-		}
-	};
-
-	toStatusResponse = (check: Check) => {
-		const statusResponse: MonitorStatusResponse<MonitorPayloadMap[keyof MonitorPayloadMap]> = {
-			monitorId: check.metadata.monitorId,
-			teamId: check.metadata.teamId,
-			type: check.metadata.type,
-			status: check.status,
-			code: check.statusCode,
-			message: check.message,
-			responseTime: check.responseTime,
-			// re-nest hardware metrics so updateMonitorStatus / extractThresholdBreaches see payload.data
-			payload: this.toPayload(check),
-		};
-		return statusResponse;
-	};
-
 	getChecksByMonitor = async ({
 		monitorId,
 		teamId,

server/src/domain/checks/check.snapshot.ts

@@ -45,12 +45,14 @@ const mapMemory = (memory?: CheckMemoryInfo): SnapshotMemoryInfo | undefined =>
 	};
 
 const mapDisk = (disk?: CheckDiskInfo[]): SnapshotDiskInfo[] | undefined =>
-	disk?.map((entry) => ({
-		device: entry.device,
-		total_bytes: entry.total_bytes,
-		used_bytes: entry.used_bytes,
-		usage_percent: entry.usage_percent,
-	}));
+	disk
+		?.filter((entry) => entry != null)
+		.map((entry) => ({
+			device: entry.device,
+			total_bytes: entry.total_bytes,
+			used_bytes: entry.used_bytes,
+			usage_percent: entry.usage_percent,
+		}));
 
 const mapHost = (host?: CheckHostInfo): SnapshotHostInfo | undefined =>
 	host && {

server/src/domain/egress/egress.service.ts

@@ -3,8 +3,8 @@ import type { ISettingsService } from "@/domain/app-settings/app-settings.servic
 import type { IEgressStateRepository } from "@/domain/egress/egress-state.repository.interface.js";
 import type { IJobsRepository } from "@/domain/jobs/job.repository.interface.js";
 import { jobId, type Job, type JobSeed } from "@/domain/jobs/job.type.js";
-import type { INetworkService } from "@/service/networkService.js";
-import type { IProxyResolver } from "@/service/network/ProxyResolver.js";
+import type { IProviderRegistry } from "@/service/networkProviders/providerRegistry.js";
+import type { IProxyResolver } from "@/service/networkProviders/ProxyResolver.js";
 import type { ILogger } from "@/utils/logger.js";
 import {
 	EGRESS_RECOVERY_POLL_SECONDS,
@@ -13,7 +13,7 @@ import {
 	type EgressProbeResult,
 	type EgressStatus,
 } from "@/domain/egress/egress.type.js";
-import { timeRequest } from "@/service/network/utils.js";
+import { timeRequest } from "@/service/networkProviders/utils.js";
 import { parseEgressTarget, type EgressTarget } from "@/utils/egressTarget.js";
 
 const SERVICE_NAME = "EgressService";
@@ -54,7 +54,7 @@ export class EgressService implements IEgressService {
 		private settingsService: ISettingsService,
 		private egressStateRepository: IEgressStateRepository,
 		private jobsRepository: IJobsRepository,
-		private networkService: INetworkService,
+		private providerRegistry: IProviderRegistry,
 		private proxyResolver: IProxyResolver,
 		private logger: ILogger
 	) {}
@@ -100,7 +100,7 @@ export class EgressService implements IEgressService {
 		const { response, responseTime, error } = await timeRequest(async () => {
 			const proxyUrl = await this.proxyResolver.resolve(monitor);
 			return Promise.race([
-				this.networkService.requestStatus(monitor, { proxyUrl }),
+				this.providerRegistry.probe(monitor, { proxyUrl }),
 				new Promise<never>((_, reject) => {
 					timer = setTimeout(() => reject(new Error(`Egress probe timed out after ${PROBE_TIMEOUT_MS}ms`)), PROBE_TIMEOUT_MS);
 				}),

server/src/domain/incidents/incident.service.ts

@@ -1,6 +1,5 @@
-const SERVICE_NAME = "incidentService";
 import type { Monitor } from "@/domain/monitors/monitor.type.js";
-import type { DockerStatusPayload, MonitorStatusResponse } from "@/types/network.js";
+import type { Check } from "@/domain/checks/check.type.js";
 import { AppError } from "@/utils/AppError.js";
 import { getDateForRange } from "@/utils/dataUtils.js";
 import type { IIncidentsRepository } from "@/domain/incidents/incident.repository.interface.js";
@@ -12,15 +11,10 @@ import type { MonitorActionDecision } from "@/worker/worker.interface.js";
 import type { INotificationMessageBuilder } from "@/domain/notifications/notification.message-builder.js";
 import type { ILogger } from "@/utils/logger.js";
 import { DateRange } from "@/types/query.js";
-import { describeContainerBreach, findContainerBreaches } from "@/domain/docker/docker-alert.js";
 
+const SERVICE_NAME = "incidentService";
 export interface IIncidentService {
-	handleIncident(
-		monitor: Monitor,
-		code: number,
-		decision: MonitorActionDecision,
-		monitorStatusResponse?: MonitorStatusResponse
-	): Promise<Incident | null>;
+	handleIncident(monitor: Monitor, decision: MonitorActionDecision, check: Check): Promise<Incident | null>;
 	resolveIncident(incidentId: string, userId: string, teamId: string, comment?: string, userEmail?: string): Promise<Incident>;
 	getIncidentsByTeam(
 		teamId: string,
@@ -59,73 +53,38 @@ export class IncidentService implements IIncidentService {
 		this.notificationMessageBuilder = notificationMessageBuilder;
 	}
 
-	handleIncident = async (
-		monitor: Monitor,
-		code: number,
-		decision: MonitorActionDecision,
-		monitorStatusResponse?: MonitorStatusResponse
-	): Promise<Incident | null> => {
-		if (!decision.shouldCreateIncident && !decision.shouldResolveIncident) {
-			return null;
-		}
+	handleIncident = async (monitor: Monitor, decision: MonitorActionDecision, check: Check): Promise<Incident | null> => {
+		const { transition } = decision;
+		if (transition === null) return null;
 
 		const activeIncident = await this.incidentsRepository.findActiveByMonitorId(monitor.id, monitor.teamId);
 
-		if (decision.shouldCreateIncident) {
-			if (activeIncident) {
-				return activeIncident;
-			} else {
-				let statusCode = code;
-				let message: string | undefined;
-
-				// For threshold breaches, use 9999 status code and build descriptive message
-				if (decision.incidentReason === "threshold_breach") {
-					statusCode = 9999;
-					message = this.buildThresholdBreachMessage(monitor, monitorStatusResponse);
-				}
-
-				const incident = {
+		switch (transition) {
+			case "status_down":
+			case "threshold_breach": {
+				if (activeIncident) return activeIncident;
+				// A threshold breach has no HTTP status
+				const isBreach = transition === "threshold_breach";
+				return await this.incidentsRepository.create({
 					monitorId: monitor.id,
 					teamId: monitor.teamId,
 					startTime: Date.now().toString(),
 					status: true,
-					statusCode,
-					message,
-				};
-				return await this.incidentsRepository.create(incident);
+					statusCode: isBreach ? 9999 : check.statusCode,
+					message: isBreach ? this.notificationMessageBuilder.buildThresholdBreachMessage(monitor, check, decision.thresholdBreaches) : undefined,
+				});
+			}
+			case "status_up":
+			case "threshold_resolved": {
+				if (!activeIncident) return null;
+				activeIncident.status = false;
+				activeIncident.endTime = Date.now().toString();
+				activeIncident.resolutionType = "automatic";
+				return await this.incidentsRepository.updateById(activeIncident.id, activeIncident.teamId, activeIncident);
 			}
 		}
-
-		if (!decision.shouldResolveIncident || !activeIncident) {
-			return null;
-		}
-
-		activeIncident.status = false;
-		activeIncident.endTime = Date.now().toString();
-		activeIncident.resolutionType = "automatic";
-		return await this.incidentsRepository.updateById(activeIncident.id, activeIncident.teamId, activeIncident);
 	};
 
-	private buildThresholdBreachMessage(monitor: Monitor, monitorStatusResponse?: MonitorStatusResponse): string {
-		if (monitor.type === "docker") {
-			const containers = (monitorStatusResponse?.payload as DockerStatusPayload | undefined)?.containers ?? [];
-			const breaches = findContainerBreaches(monitor, containers);
-			return breaches.length > 0 ? breaches.map(describeContainerBreach).join(", ") : "Container alert";
-		}
-
-		if (!monitorStatusResponse) {
-			return "Threshold breach detected";
-		}
-
-		const breaches = this.notificationMessageBuilder.extractThresholdBreaches(monitor, monitorStatusResponse);
-
-		if (breaches.length === 0) {
-			return "Threshold breach detected";
-		}
-
-		return breaches.map((b) => `${b.metric.toUpperCase()}: ${b.formattedValue} (threshold: ${b.threshold}${b.unit})`).join(", ");
-	}
-
 	resolveIncident = async (incidentId: string, userId: string, teamId: string, comment?: string, userEmail?: string) => {
 		try {
 			if (!incidentId) {

server/src/domain/monitors/monitor.repository.mongo.ts

@@ -101,7 +101,12 @@ class MongoMonitorsRepository implements IMonitorsRepository {
 
 	private pageOptions = (config: TeamQueryConfig) => {
 		const { page = 0, rowsPerPage = 0, field = "createdAt", order = "desc" } = config ?? {};
-		return { sort: { [field]: order === "asc" ? 1 : -1 } as const, skip: Math.max(page, 0) * rowsPerPage, limit: rowsPerPage };
+		const direction: 1 | -1 = order === "asc" ? 1 : -1;
+		const sort: Record<string, 1 | -1> = { [field]: direction };
+		if (field !== "createdAt") {
+			sort.createdAt = 1;
+		}
+		return { sort, skip: Math.max(page, 0) * rowsPerPage, limit: rowsPerPage };
 	};
 
 	findByTeamId = async (teamId: string, config: TeamQueryConfig, options?: { includeRecentChecks?: boolean }): Promise<Monitor[]> => {

server/src/domain/monitors/monitor.type.ts

@@ -240,3 +240,8 @@ export type GamesMap = Record<string, Game>;
 export type MonitorScheduleFields = Pick<Monitor, "id" | "type" | "isActive" | "interval" | "geoCheckEnabled" | "geoCheckInterval">;
 
 export type DockerContainerLogsResult = DockerLogPage;
+
+export const HardwareMetricKeys = ["cpu", "memory", "disk", "temp"] as const;
+export type HardwareMetricKey = (typeof HardwareMetricKeys)[number];
+export type HardwareBreaches = Record<HardwareMetricKey, boolean>;
+export type HardwareCounters = Record<HardwareMetricKey, number>;

server/src/domain/notifications/notification.message-builder.ts

@@ -1,5 +1,4 @@
-import type { Monitor } from "@/domain/monitors/monitor.type.js";
-import type { DockerStatusPayload, HardwareStatusPayload, MonitorStatusResponse } from "@/types/network.js";
+import { HardwareMetricKeys, type HardwareBreaches, type HardwareMetricKey, type Monitor } from "@/domain/monitors/monitor.type.js";
 import type { MonitorActionDecision } from "@/worker/worker.interface.js";
 import type {
 	NotificationMessage,
@@ -9,15 +8,11 @@ import type {
 	NotificationContent,
 } from "@/domain/notifications/notification.type.js";
 import { describeContainerBreach, findContainerBreaches } from "@/domain/docker/docker-alert.js";
+import type { Check } from "@/domain/checks/check.type.js";
 
 export interface INotificationMessageBuilder {
-	buildMessage(
-		monitor: Monitor,
-		monitorStatusResponse: MonitorStatusResponse,
-		decision: MonitorActionDecision,
-		clientHost: string
-	): NotificationMessage;
-	extractThresholdBreaches(monitor: Monitor, monitorStatusResponse: MonitorStatusResponse): ThresholdBreach[];
+	buildMessage(monitor: Monitor, check: Check, decision: MonitorActionDecision, clientHost: string): NotificationMessage;
+	buildThresholdBreachMessage(monitor: Monitor, check: Check, thresholdBreaches: HardwareBreaches | undefined): string;
 }
 
 const SERVICE_NAME = "NotificationMessageBuilder";
@@ -25,15 +20,10 @@ const SERVICE_NAME = "NotificationMessageBuilder";
 export class NotificationMessageBuilder implements INotificationMessageBuilder {
 	static SERVICE_NAME = SERVICE_NAME;
 
-	buildMessage(
-		monitor: Monitor,
-		monitorStatusResponse: MonitorStatusResponse,
-		decision: MonitorActionDecision,
-		clientHost: string
-	): NotificationMessage {
+	buildMessage(monitor: Monitor, check: Check, decision: MonitorActionDecision, clientHost: string): NotificationMessage {
 		const type = this.determineNotificationType(decision, monitor);
 		const severity = this.determineSeverity(type);
-		const content = this.buildContent(type, monitor, monitorStatusResponse);
+		const content = this.buildContent(type, monitor, check, decision);
 
 		return {
 			type,
@@ -49,24 +39,21 @@ export class NotificationMessageBuilder implements INotificationMessageBuilder {
 			clientHost,
 			metadata: {
 				teamId: monitor.teamId,
-				notificationReason: decision.notificationReason || "status_change",
 			},
 		};
 	}
 
 	private determineNotificationType(decision: MonitorActionDecision, monitor: Monitor): NotificationType {
-		// Down status has highest priority (critical)
-		if (monitor.status === "down") {
-			return "monitor_down";
-		}
-
 		const isDocker = monitor.type === "docker";
-		switch (decision.notificationReason) {
+		switch (decision.transition) {
+			case "status_down":
+				return "monitor_down";
 			case "threshold_breach":
 				return isDocker ? "container_breach" : "threshold_breach";
 			case "threshold_resolved":
 				return isDocker ? "container_resolved" : "threshold_resolved";
-			default:
+			case "status_up":
+			case null:
 				return "monitor_up";
 		}
 	}
@@ -92,18 +79,18 @@ export class NotificationMessageBuilder implements INotificationMessageBuilder {
 		}
 	}
 
-	private buildContent(type: NotificationType, monitor: Monitor, monitorStatusResponse: MonitorStatusResponse): NotificationContent {
+	private buildContent(type: NotificationType, monitor: Monitor, check: Check, decision: MonitorActionDecision): NotificationContent {
 		switch (type) {
 			case "monitor_down":
-				return this.buildMonitorDownContent(monitor, monitorStatusResponse);
+				return this.buildMonitorDownContent(monitor, check);
 			case "monitor_up":
 				return this.buildMonitorUpContent(monitor);
 			case "threshold_breach":
-				return this.buildThresholdBreachContent(monitor, monitorStatusResponse as MonitorStatusResponse<HardwareStatusPayload>);
+				return this.buildThresholdBreachContent(monitor, check, decision.thresholdBreaches);
 			case "threshold_resolved":
 				return this.buildThresholdResolvedContent(monitor);
 			case "container_breach":
-				return this.buildContainerBreachContent(monitor, monitorStatusResponse as MonitorStatusResponse<DockerStatusPayload>);
+				return this.buildContainerBreachContent(monitor, check);
 			case "container_resolved":
 				return this.buildContainersRecoveredContent(monitor);
 			default:
@@ -111,19 +98,19 @@ export class NotificationMessageBuilder implements INotificationMessageBuilder {
 		}
 	}
 
-	private buildMonitorDownContent(monitor: Monitor, monitorStatusResponse: MonitorStatusResponse): NotificationContent {
+	private buildMonitorDownContent(monitor: Monitor, check: Check): NotificationContent {
 		const title = `Monitor Down: ${monitor.name}`;
 		const summary = `Monitor "${monitor.name}" is currently down and unreachable.`;
 		const details = [`URL: ${monitor.url}`, `Status: Down`, `Type: ${monitor.type}`];
 
 		// Add response code if available
-		if (monitorStatusResponse.code) {
-			details.push(`Response Code: ${monitorStatusResponse.code}`);
+		if (check.statusCode) {
+			details.push(`Response Code: ${check.statusCode}`);
 		}
 
 		// Add error message if available
-		if (monitorStatusResponse.message) {
-			details.push(`Error: ${monitorStatusResponse.message}`);
+		if (check.message) {
+			details.push(`Error: ${check.message}`);
 		}
 
 		return {
@@ -147,12 +134,12 @@ export class NotificationMessageBuilder implements INotificationMessageBuilder {
 		};
 	}
 
-	private buildThresholdBreachContent(monitor: Monitor, monitorStatusResponse: MonitorStatusResponse<HardwareStatusPayload>): NotificationContent {
+	private buildThresholdBreachContent(monitor: Monitor, check: Check, thresholdBreaches: HardwareBreaches | undefined): NotificationContent {
 		const title = `Threshold Exceeded: ${monitor.name}`;
 		const summary = `Monitor "${monitor.name}" has exceeded one or more thresholds.`;
 		const details = [`URL: ${monitor.url}`, `Status: Threshold exceeded`, `Type: ${monitor.type}`];
 
-		const thresholds = this.extractThresholdBreaches(monitor, monitorStatusResponse);
+		const thresholds = this.extractThresholdBreaches(monitor, check, thresholdBreaches);
 
 		return {
 			title,
@@ -176,13 +163,11 @@ export class NotificationMessageBuilder implements INotificationMessageBuilder {
 		};
 	}
 
-	private buildContainerBreachContent(monitor: Monitor, monitorStatusResponse: MonitorStatusResponse<DockerStatusPayload>): NotificationContent {
-		const payload = monitorStatusResponse.payload;
-		const containers = payload && typeof payload !== "string" ? payload.containers : [];
-		const breaches = findContainerBreaches(monitor, containers);
+	private buildContainerBreachContent(monitor: Monitor, check: Check): NotificationContent {
+		const lines = this.describeContainerBreaches(monitor, check);
 		const title = `Container Alert: ${monitor.name}`;
-		const summary = `${breaches.length} container(s) on "${monitor.name}" need attention.`;
-		const details = [`URL: ${monitor.url}`, `Type: ${monitor.type}`, ...breaches.map(describeContainerBreach)];
+		const summary = `${lines.length} container(s) on "${monitor.name}" need attention.`;
+		const details = [`URL: ${monitor.url}`, `Type: ${monitor.type}`, ...lines];
 		return { title, summary, details, timestamp: new Date() };
 	}
 
@@ -202,93 +187,57 @@ export class NotificationMessageBuilder implements INotificationMessageBuilder {
 		};
 	}
 
-	public extractThresholdBreaches(monitor: Monitor, monitorStatusResponse: MonitorStatusResponse<HardwareStatusPayload>): ThresholdBreach[] {
+	private describeBreach(metric: HardwareMetricKey, monitor: Monitor, check: Check): ThresholdBreach {
+		switch (metric) {
+			case "cpu": {
+				const currentValue = (check.cpu?.usage_percent ?? 0) * 100;
+				return { metric, currentValue, threshold: monitor.cpuAlertThreshold, unit: "%", formattedValue: `${currentValue.toFixed(1)}%` };
+			}
+			case "memory": {
+				const currentValue = (check.memory?.usage_percent ?? 0) * 100;
+				return { metric, currentValue, threshold: monitor.memoryAlertThreshold, unit: "%", formattedValue: `${currentValue.toFixed(1)}%` };
+			}
+			case "disk": {
+				const currentValue = Math.max(0, ...(check.disk ?? []).map((disk) => disk?.usage_percent ?? 0)) * 100;
+				return { metric, currentValue, threshold: monitor.diskAlertThreshold, unit: "%", formattedValue: `${currentValue.toFixed(1)}%` };
+			}
+			case "temp": {
+				const currentValue = Math.max(0, ...(check.cpu?.temperature ?? []));
+				return { metric, currentValue, threshold: monitor.tempAlertThreshold, unit: "°C", formattedValue: `${currentValue.toFixed(1)}°C` };
+			}
+		}
+	}
+
+	private extractThresholdBreaches(monitor: Monitor, check: Check, thresholdBreaches: HardwareBreaches | undefined): ThresholdBreach[] {
 		const breaches: ThresholdBreach[] = [];
 
 		// Check if this is a hardware monitor with threshold data
-		if (monitor.type !== "hardware" || !monitorStatusResponse.payload || typeof monitorStatusResponse.payload === "string") {
+		if (monitor.type !== "hardware" || thresholdBreaches === undefined) {
 			return breaches;
 		}
 
-		// Cast to HardwareStatusPayload type
-		const payload = monitorStatusResponse.payload;
-		const hardware = payload.data;
-
-		if (!hardware) {
-			return breaches;
-		}
-
-		// Note: usage_percent values in hardware payload are decimals (0-1)
-		if (monitor.cpuAlertThreshold !== undefined && monitor.cpuAlertThreshold !== null && hardware.cpu?.usage_percent !== undefined) {
-			const cpuUsageDecimal = hardware.cpu.usage_percent;
-			const cpuPercent = cpuUsageDecimal * 100;
-			const threshold = monitor.cpuAlertThreshold;
-			if (cpuPercent > threshold) {
-				breaches.push({
-					metric: "cpu",
-					currentValue: cpuPercent,
-					threshold,
-					unit: "%",
-					formattedValue: `${cpuPercent.toFixed(1)}%`,
-				});
-			}
-		}
-
-		// Memory threshold breach
-		if (monitor.memoryAlertThreshold !== undefined && monitor.memoryAlertThreshold !== null && hardware.memory?.usage_percent !== undefined) {
-			const memoryUsageDecimal = hardware.memory.usage_percent;
-			const memoryPercent = memoryUsageDecimal * 100;
-			const threshold = monitor.memoryAlertThreshold;
-			if (memoryPercent > threshold) {
-				breaches.push({
-					metric: "memory",
-					currentValue: memoryPercent,
-					threshold,
-					unit: "%",
-					formattedValue: `${memoryPercent.toFixed(1)}%`,
-				});
-			}
-		}
-
-		// Disk threshold breach
-		if (monitor.diskAlertThreshold !== undefined && monitor.diskAlertThreshold !== null && Array.isArray(hardware.disk)) {
-			// Find the highest disk usage
-			let maxDiskUsageDecimal = 0;
-			for (const disk of hardware.disk) {
-				if (disk.usage_percent !== undefined && disk.usage_percent > maxDiskUsageDecimal) {
-					maxDiskUsageDecimal = disk.usage_percent;
-				}
-			}
-			const maxDiskPercent = maxDiskUsageDecimal * 100;
-			const threshold = monitor.diskAlertThreshold;
-			if (maxDiskPercent > threshold) {
-				breaches.push({
-					metric: "disk",
-					currentValue: maxDiskPercent,
-					threshold,
-					unit: "%",
-					formattedValue: `${maxDiskPercent.toFixed(1)}%`,
-				});
-			}
-		}
-
-		// Temperature threshold breach
-		if (monitor.tempAlertThreshold !== undefined && monitor.tempAlertThreshold !== null && hardware.cpu?.temperature) {
-			// Temperature is an array in cpu.temperature
-			const temps = Array.isArray(hardware.cpu.temperature) ? hardware.cpu.temperature : [hardware.cpu.temperature];
-			const maxTemp = Math.max(...temps.filter((t: number) => !isNaN(t)));
-			const threshold = monitor.tempAlertThreshold;
-			if (maxTemp > threshold) {
-				breaches.push({
-					metric: "temp",
-					currentValue: maxTemp,
-					threshold,
-					unit: "°C",
-					formattedValue: `${maxTemp.toFixed(1)}°C`,
-				});
-			}
+		for (const metric of HardwareMetricKeys) {
+			if (!thresholdBreaches[metric]) continue;
+			breaches.push(this.describeBreach(metric, monitor, check));
 		}
 
 		return breaches;
 	}
+
+	private describeContainerBreaches(monitor: Monitor, check: Check): string[] {
+		return findContainerBreaches(monitor, check.containers ?? []).map(describeContainerBreach);
+	}
+
+	public buildThresholdBreachMessage(monitor: Monitor, check: Check, thresholdBreaches: HardwareBreaches | undefined): string {
+		if (monitor.type === "docker") {
+			const lines = this.describeContainerBreaches(monitor, check);
+			return lines.length > 0 ? lines.join(", ") : "Container alert";
+		}
+
+		const breaches = this.extractThresholdBreaches(monitor, check, thresholdBreaches);
+		if (breaches.length === 0) {
+			return "Threshold breach detected";
+		}
+		return breaches.map((b) => `${b.metric.toUpperCase()}: ${b.formattedValue} (threshold: ${b.threshold}${b.unit})`).join(", ");
+	}
 }

server/src/domain/notifications/notification.service.ts

@@ -1,6 +1,5 @@
 import type { Monitor } from "@/domain/monitors/monitor.type.js";
 import type { Notification } from "@/domain/notifications/notification.type.js";
-import type { MonitorStatusResponse } from "@/types/network.js";
 import type { NotificationMessage } from "@/domain/notifications/notification.type.js";
 import { IMonitorsRepository } from "@/domain/monitors/monitor.repository.interface.js";
 import { INotificationsRepository } from "@/domain/notifications/notification.repository.interface.js";
@@ -10,6 +9,7 @@ import type { ISettingsService } from "@/domain/app-settings/app-settings.servic
 import { ILogger } from "@/utils/logger.js";
 import type { INotificationMessageBuilder } from "@/domain/notifications/notification.message-builder.js";
 import type { NotificationChannel } from "@/domain/notifications/notification.type.js";
+import type { Check } from "@/domain/checks/check.type.js";
 
 export type NotificationProviderRegistry = Record<NotificationChannel, INotificationProvider>;
 
@@ -19,7 +19,7 @@ export interface INotificationsService {
 	findNotificationsByTeamId: (teamId: string) => Promise<Notification[]>;
 	updateById(id: string, teamId: string, updateData: Partial<Notification>): Promise<Notification>;
 	deleteById: (id: string, teamId: string) => Promise<Notification>;
-	handleNotifications: (monitor: Monitor, monitorStatusResponse: MonitorStatusResponse, decision: MonitorActionDecision) => Promise<boolean>;
+	handleNotifications: (monitor: Monitor, check: Check, decision: MonitorActionDecision) => Promise<boolean>;
 
 	sendTestNotification: (notification: Partial<Notification>) => Promise<boolean>;
 	testAllNotifications: (notificationIds: string[]) => Promise<boolean>;
@@ -63,7 +63,7 @@ export class NotificationsService implements INotificationsService {
 	private send = async (
 		notification: Notification,
 		monitor: Monitor,
-		monitorStatusResponse: MonitorStatusResponse,
+		check: Check,
 		decision: MonitorActionDecision,
 		notificationMessage: NotificationMessage | undefined
 	): Promise<boolean> => {
@@ -89,16 +89,16 @@ export class NotificationsService implements INotificationsService {
 		return await provider.sendMessage(notification, notificationMessage);
 	};
 
-	private sendNotifications = async (monitor: Monitor, monitorStatusResponse: MonitorStatusResponse, decision: MonitorActionDecision) => {
+	private sendNotifications = async (monitor: Monitor, check: Check, decision: MonitorActionDecision) => {
 		const notificationIds = monitor.notifications ?? [];
 		const notifications = await this.notificationsRepository.findNotificationsByIds(notificationIds);
 
 		// Build notification message once for all notifications
 		const settings = this.settingsService.getSettings();
 		const clientHost = settings.clientHost || "Host not defined";
-		const notificationMessage = this.notificationMessageBuilder.buildMessage(monitor, monitorStatusResponse, decision, clientHost);
+		const notificationMessage = this.notificationMessageBuilder.buildMessage(monitor, check, decision, clientHost);
 
-		const tasks = notifications.map((notification) => this.send(notification, monitor, monitorStatusResponse, decision, notificationMessage));
+		const tasks = notifications.map((notification) => this.send(notification, monitor, check, decision, notificationMessage));
 
 		const outcomes = await Promise.all(tasks);
 		const succeeded = outcomes.filter(Boolean).length;
@@ -114,13 +114,11 @@ export class NotificationsService implements INotificationsService {
 		return succeeded === notifications.length;
 	};
 
-	handleNotifications = async (monitor: Monitor, monitorStatusResponse: MonitorStatusResponse, decision: MonitorActionDecision) => {
-		if (!decision.shouldSendNotification) {
-			return false;
-		}
+	handleNotifications = async (monitor: Monitor, check: Check, decision: MonitorActionDecision) => {
+		if (decision.transition === null) return false;
 
 		// Send notifications based on decision
-		return await this.sendNotifications(monitor, monitorStatusResponse, decision);
+		return await this.sendNotifications(monitor, check, decision);
 	};
 
 	sendTestNotification = async (notification: Partial<Notification>) => {

server/src/domain/notifications/notification.type.ts

@@ -1,3 +1,5 @@
+import type { HardwareMetricKey } from "@/domain/monitors/monitor.type.js";
+
 export const NotificationChannels = [
 	"email",
 	"slack",
@@ -85,7 +87,7 @@ export interface MonitorInfo {
 }
 
 export interface ThresholdBreach {
-	metric: "cpu" | "memory" | "disk" | "temp";
+	metric: HardwareMetricKey;
 	currentValue: number;
 	threshold: number;
 	unit: string;
@@ -117,6 +119,5 @@ export interface NotificationMessage {
 	clientHost: string;
 	metadata: {
 		teamId: string;
-		notificationReason: string;
 	};
 }

server/src/service/bufferService.ts

@@ -55,42 +55,15 @@ export class BufferService implements IBufferService {
 	}
 
 	addToBuffer(check: Check) {
-		try {
-			this.buffer.push(check);
-		} catch (error: unknown) {
-			this.logger.error({
-				message: error instanceof Error ? error.message : "Unknown error",
-				service: this.SERVICE_NAME,
-				method: "addToBuffer",
-				stack: error instanceof Error ? error.stack : undefined,
-			});
-		}
+		this.buffer.push(check);
 	}
 
 	addGeoCheckToBuffer(geoCheck: GeoCheck) {
-		try {
-			this.geoBuffer.push(geoCheck);
-		} catch (error: unknown) {
-			this.logger.error({
-				message: error instanceof Error ? error.message : "Unknown error",
-				service: this.SERVICE_NAME,
-				method: "addGeoCheckToBuffer",
-				stack: error instanceof Error ? error.stack : undefined,
-			});
-		}
+		this.geoBuffer.push(geoCheck);
 	}
 
 	addDockerLogToBuffer(dockerLog: DockerLog): void {
-		try {
-			this.dockerLogBuffer.push(dockerLog);
-		} catch (error: unknown) {
-			this.logger.error({
-				message: error instanceof Error ? error.message : "Unknown error",
-				service: this.SERVICE_NAME,
-				method: "addDockerLogToBuffer",
-				stack: error instanceof Error ? error.stack : undefined,
-			});
-		}
+		this.dockerLogBuffer.push(dockerLog);
 	}
 
 	scheduleNextFlush() {

server/src/service/globalPingService.ts

@@ -3,7 +3,7 @@ import { supportsGeoCheck, type HttpStatusCode } from "@/domain/monitors/monitor
 import { MonitorType } from "@/domain/monitors/monitor.type.js";
 import type { ILogger } from "@/utils/logger.js";
 import got from "got";
-import { isStatusUp } from "@/service/network/utils.js";
+import { isStatusUp } from "@/service/networkProviders/utils.js";
 
 const SERVICE_NAME = "GlobalPingService";
 const GLOBAL_PING_API_BASE = "https://api.globalping.io/v1";

server/src/service/networkProviders/DNSProvider.ts

@@ -1,10 +1,10 @@
 import { DNSStatusPayload, MonitorStatusResponse } from "@/types/network.js";
-import { IStatusProvider } from "@/service/network/IStatusProvider.js";
+import { IStatusProvider } from "@/service/networkProviders/IStatusProvider.js";
 import dns from "dns";
 import type { Resolver } from "dns/promises";
 import { Monitor, MonitorType } from "@/domain/monitors/monitor.type.js";
 import { AppError } from "@/utils/AppError.js";
-import { timeRequest } from "@/service/network/utils.js";
+import { timeRequest } from "@/service/networkProviders/utils.js";
 import { NETWORK_ERROR } from "@/types/network.js";
 
 const SERVICE_NAME = "DNSProvider";

server/src/service/networkProviders/DockerProvider.ts

@@ -1,7 +1,7 @@
 import https from "node:https";
 
-import { IStatusProvider } from "@/service/network/IStatusProvider.js";
-import { HttpProvider } from "@/service/network/HttpProvider.js";
+import { IStatusProvider } from "@/service/networkProviders/IStatusProvider.js";
+import { HttpProvider } from "@/service/networkProviders/HttpProvider.js";
 import { CaptureDockerContainer, CaptureDockerStatusPayload, CheckContext, DockerStatusPayload, MonitorStatusResponse } from "@/types/network.js";
 
 import {
@@ -24,7 +24,7 @@ import { Monitor, MonitorType } from "@/domain/monitors/monitor.type.js";
 import { ILogger } from "@/utils/logger.js";
 import { AppError } from "@/utils/AppError.js";
 import Dockerode from "dockerode";
-import { timeRequest, peerAnsweredFromError } from "@/service/network/utils.js";
+import { timeRequest, peerAnsweredFromError } from "@/service/networkProviders/utils.js";
 import { NETWORK_ERROR } from "@/types/network.js";
 import { IEncryptionService } from "@/service/encryption/encryptionService.js";
 import { DOCKER_TLS_URL, isCaptureDockerUrl, isDockerTlsUrl } from "@/utils/dockerHost.js";

server/src/service/networkProviders/GameProvider.ts

@@ -1,4 +1,4 @@
-import { IStatusProvider } from "@/service/network/IStatusProvider.js";
+import { IStatusProvider } from "@/service/networkProviders/IStatusProvider.js";
 import { GameStatusPayload, MonitorStatusResponse } from "@/types/network.js";
 import { Monitor, MonitorType } from "@/domain/monitors/monitor.type.js";
 import { GameDig } from "gamedig";

server/src/service/networkProviders/GrpcProvider.ts

@@ -1,8 +1,8 @@
-import { IStatusProvider } from "@/service/network/IStatusProvider.js";
+import { IStatusProvider } from "@/service/networkProviders/IStatusProvider.js";
 import { GrpcStatusPayload, MonitorStatusResponse } from "@/types/network.js";
 import { Monitor, MonitorType } from "@/domain/monitors/monitor.type.js";
 import { AppError } from "@/utils/AppError.js";
-import { timeRequest } from "@/service/network/utils.js";
+import { timeRequest } from "@/service/networkProviders/utils.js";
 import * as grpc from "@grpc/grpc-js";
 import * as protoLoader from "@grpc/proto-loader";
 

server/src/service/networkProviders/HardwareProvider.ts

@@ -1,7 +1,7 @@
-import { IStatusProvider } from "@/service/network/IStatusProvider.js";
+import { IStatusProvider } from "@/service/networkProviders/IStatusProvider.js";
 import { HardwareStatusPayload, MonitorStatusResponse } from "@/types/network.js";
 import { Monitor, MonitorType } from "@/domain/monitors/monitor.type.js";
-import { HttpProvider } from "@/service/network/HttpProvider.js";
+import { HttpProvider } from "@/service/networkProviders/HttpProvider.js";
 import { AppError } from "@/utils/AppError.js";
 
 export class HardwareProvider implements IStatusProvider<HardwareStatusPayload> {

server/src/service/networkProviders/HttpProvider.ts

@@ -1,12 +1,12 @@
 import { type Got, HTTPError, RequestError } from "got";
-import { IAdvancedMatcher } from "@/service/network/AdvancedMatcher.js";
-import { IStatusProvider } from "@/service/network/IStatusProvider.js";
+import { IAdvancedMatcher } from "@/service/networkProviders/AdvancedMatcher.js";
+import { IStatusProvider } from "@/service/networkProviders/IStatusProvider.js";
 import { HttpStatusPayload } from "@/types/network.js";
 import { MonitorStatusResponse } from "@/types/network.js";
 import { Agent as HttpsAgent } from "https";
 import { Agent as HttpAgent } from "http";
 import { Monitor, MonitorType } from "@/domain/monitors/monitor.type.js";
-import { isStatusUp, peerAnsweredFromError } from "@/service/network/utils.js";
+import { isStatusUp, peerAnsweredFromError } from "@/service/networkProviders/utils.js";
 import { NETWORK_ERROR } from "@/types/network.js";
 import CacheableLookup from "cacheable-lookup";
 import { HttpProxyAgent, HttpsProxyAgent } from "hpagent";

server/src/service/networkProviders/PageSpeedProvider.ts

@@ -1,7 +1,7 @@
-import { IStatusProvider } from "@/service/network/IStatusProvider.js";
+import { IStatusProvider } from "@/service/networkProviders/IStatusProvider.js";
 import { MonitorStatusResponse, PageSpeedStatusPayload } from "@/types/network.js";
 import { Monitor, MonitorType, DefaultPageSpeedStrategy } from "@/domain/monitors/monitor.type.js";
-import { HttpProvider } from "@/service/network/HttpProvider.js";
+import { HttpProvider } from "@/service/networkProviders/HttpProvider.js";
 import { ISettingsService } from "@/domain/app-settings/app-settings.service.js";
 import { ILogger } from "@/utils/logger.js";
 import { AppError } from "@/utils/AppError.js";

server/src/service/networkProviders/PingProvider.ts

@@ -5,7 +5,7 @@ import { MonitorStatusResponse } from "@/types/network.js";
 import { AppError } from "@/utils/AppError.js";
 import ping from "ping";
 import * as net from "net";
-import { timeRequest } from "@/service/network/utils.js";
+import { timeRequest } from "@/service/networkProviders/utils.js";
 const SERVICE_NAME = "PingProvider";
 
 type Ping = typeof ping;

server/src/service/networkProviders/PortProvider.ts

@@ -1,8 +1,8 @@
-import { IStatusProvider } from "@/service/network/IStatusProvider.js";
+import { IStatusProvider } from "@/service/networkProviders/IStatusProvider.js";
 import { PortStatusPayload, MonitorStatusResponse } from "@/types/network.js";
 import { Monitor, MonitorType } from "@/domain/monitors/monitor.type.js";
 import { AppError } from "@/utils/AppError.js";
-import { timeRequest, peerAnsweredFromError } from "@/service/network/utils.js";
+import { timeRequest, peerAnsweredFromError } from "@/service/networkProviders/utils.js";
 import { NETWORK_ERROR } from "@/types/network.js";
 import * as net from "net";
 type NetType = typeof net;

server/src/service/networkProviders/WebSocketProvider.ts

@@ -1,8 +1,8 @@
-import { IStatusProvider } from "@/service/network/IStatusProvider.js";
+import { IStatusProvider } from "@/service/networkProviders/IStatusProvider.js";
 import { WebSocketStatusPayload, MonitorStatusResponse } from "@/types/network.js";
 import { Monitor, MonitorType } from "@/domain/monitors/monitor.type.js";
 import { AppError } from "@/utils/AppError.js";
-import { timeRequest, peerAnsweredFromError } from "@/service/network/utils.js";
+import { timeRequest, peerAnsweredFromError } from "@/service/networkProviders/utils.js";
 import { NETWORK_ERROR } from "@/types/network.js";
 import type WebSocket from "ws";
 

server/src/service/networkProviders/providerRegistry.ts

@@ -0,0 +1,34 @@
+import type { Monitor, MonitorType } from "@/domain/monitors/monitor.type.js";
+import type { CheckContext, MonitorPayloadMap, MonitorStatusResponse } from "@/types/network.js";
+import { NETWORK_ERROR } from "@/types/network.js";
+import { IStatusProvider } from "./IStatusProvider.js";
+const SERVICE_NAME = "ProviderRegistry";
+
+export interface IProviderRegistry {
+	probe<T extends MonitorType>(monitor: Monitor & { type: T }, ctx?: CheckContext): Promise<MonitorStatusResponse<MonitorPayloadMap[T]>>;
+}
+
+export class ProviderRegistry implements IProviderRegistry {
+	static SERVICE_NAME = SERVICE_NAME;
+
+	constructor(private providers: IStatusProvider<unknown>[]) {}
+
+	async probe<T extends MonitorType>(monitor: Monitor & { type: T }, ctx?: CheckContext): Promise<MonitorStatusResponse<MonitorPayloadMap[T]>> {
+		const provider = this.providers.find((p) => p.supports(monitor.type));
+		if (!provider) {
+			return this.handleUnsupportedType(monitor.type) as Promise<MonitorStatusResponse<MonitorPayloadMap[T]>>;
+		}
+		return provider.handle(monitor, ctx) as Promise<MonitorStatusResponse<MonitorPayloadMap[T]>>;
+	}
+
+	private async handleUnsupportedType(type: string): Promise<MonitorStatusResponse> {
+		return {
+			monitorId: "unknown",
+			teamId: "unknown",
+			type: "unknown",
+			status: false,
+			code: NETWORK_ERROR,
+			message: `Unsupported type: ${type}`,
+		};
+	}
+}

server/src/service/networkService.ts

@@ -1,198 +0,0 @@
-import type { Monitor, MonitorType } from "@/domain/monitors/monitor.type.js";
-import type { CheckContext, MonitorPayloadMap, MonitorStatusResponse } from "@/types/network.js";
-import type { AxiosStatic } from "axios";
-import { AppError } from "@/utils/AppError.js";
-import { NETWORK_ERROR } from "@/types/network.js";
-import { ILogger } from "@/utils/logger.js";
-import { IStatusProvider } from "./network/IStatusProvider.js";
-const SERVICE_NAME = "NetworkService";
-
-export interface INetworkService {
-	requestStatus<T extends MonitorType>(monitor: Monitor & { type: T }, ctx?: CheckContext): Promise<MonitorStatusResponse<MonitorPayloadMap[T]>>;
-	requestWebhook(
-		type: string,
-		url: string,
-		body: unknown
-	): Promise<{ type: string; status: boolean; code: number; message: string; payload?: unknown }>;
-	requestPagerDuty(args: { message: string; routingKey: string; monitorUrl: string }): Promise<boolean>;
-	requestMatrix(args: { homeserverUrl: string; accessToken: string; roomId: string; message: string }): Promise<{
-		status: boolean;
-		code: number;
-		message: string;
-		payload?: unknown;
-	}>;
-}
-
-export class NetworkService implements INetworkService {
-	static SERVICE_NAME = SERVICE_NAME;
-
-	private axios: AxiosStatic;
-	private logger: ILogger;
-
-	constructor(
-		axios: AxiosStatic,
-		logger: ILogger,
-		private providers: IStatusProvider<unknown>[]
-	) {
-		this.axios = axios;
-		this.logger = logger;
-	}
-
-	// Main entry point
-	async requestStatus<T extends MonitorType>(
-		monitor: Monitor & { type: T },
-		ctx?: CheckContext
-	): Promise<MonitorStatusResponse<MonitorPayloadMap[T]>> {
-		const provider = this.providers.find((p) => p.supports(monitor.type));
-		if (!provider) {
-			return this.handleUnsupportedType(monitor.type) as Promise<MonitorStatusResponse<MonitorPayloadMap[T]>>;
-		}
-		return provider.handle(monitor, ctx) as Promise<MonitorStatusResponse<MonitorPayloadMap[T]>>;
-	}
-
-	private async handleUnsupportedType(type: string): Promise<MonitorStatusResponse> {
-		return {
-			monitorId: "unknown",
-			teamId: "unknown",
-			type: "unknown",
-			status: false,
-			code: NETWORK_ERROR,
-			message: `Unsupported type: ${type}`,
-		};
-	}
-
-	// Other network requests unrelated to monitoring:
-	async requestWebhook(type: string, url: string, body: unknown) {
-		try {
-			const response = await this.axios.post(url, body, {
-				headers: {
-					"Content-Type": "application/json",
-				},
-			});
-
-			return {
-				type: "webhook",
-				status: true,
-				code: response.status,
-				message: `Successfully sent ${type} notification`,
-				payload: response.data,
-			};
-		} catch (err: unknown) {
-			this.logger.warn({
-				message: err instanceof Error ? err.message : String(err),
-				service: SERVICE_NAME,
-				method: "requestWebhook",
-			});
-
-			if (err && typeof err === "object" && "response" in err) {
-				const axiosError = err as { response?: { status?: number; data?: unknown } };
-				return {
-					type: "webhook",
-					status: false,
-					code: axiosError.response?.status ?? NETWORK_ERROR,
-					message: `Failed to send ${type} notification`,
-					payload: axiosError.response?.data,
-				};
-			}
-
-			return {
-				type: "webhook",
-				status: false,
-				code: NETWORK_ERROR,
-				message: `Failed to send ${type} notification`,
-			};
-		}
-	}
-
-	async requestPagerDuty({ message, routingKey, monitorUrl }: { message: string; routingKey: string; monitorUrl: string }) {
-		try {
-			const response = await this.axios.post(`https://events.pagerduty.com/v2/enqueue`, {
-				routing_key: routingKey,
-				event_action: "trigger",
-				payload: {
-					summary: message,
-					severity: "critical",
-					source: monitorUrl,
-					timestamp: new Date().toISOString(),
-				},
-			});
-
-			if (response.data?.status !== "success") return false;
-			return true;
-		} catch (err: unknown) {
-			const originalMessage = err instanceof Error ? err.message : String(err);
-
-			throw new AppError({
-				message: originalMessage || "Error sending PagerDuty notification",
-				service: SERVICE_NAME,
-				method: "requestPagerDuty",
-				details: {
-					responseData: err && typeof err === "object" && "response" in err ? (err as { response?: { data?: unknown } }).response?.data : undefined,
-				},
-			});
-		}
-	}
-
-	async requestMatrix({
-		homeserverUrl,
-		accessToken,
-		roomId,
-		message,
-	}: {
-		homeserverUrl: string;
-		accessToken: string;
-		roomId: string;
-		message: string;
-	}) {
-		try {
-			const url = `${homeserverUrl}/_matrix/client/v3/rooms/${roomId}/send/m.room.message?access_token=${accessToken}`;
-			const body = {
-				msgtype: "m.text",
-				body: message,
-				format: "org.matrix.custom.html",
-				formatted_body: message,
-			};
-			const response = await this.axios.post(url, body, {
-				headers: {
-					"Content-Type": "application/json",
-				},
-			});
-
-			return {
-				status: true,
-				code: response.status,
-				message: "Successfully sent Matrix notification",
-			};
-		} catch (err: unknown) {
-			if (err instanceof Error) {
-				this.logger.warn({
-					message: err.message,
-					service: SERVICE_NAME,
-					method: "requestMatrix",
-				});
-
-				if (err && typeof err === "object" && "response" in err) {
-					const axiosError = err as { response?: { status?: number; data?: unknown } };
-					return {
-						status: false,
-						code: axiosError.response?.status || NETWORK_ERROR,
-						message: "Failed to send Matrix notification",
-						payload: axiosError.response?.data,
-					};
-				}
-			}
-
-			this.logger.warn({
-				message: String(err),
-				service: SERVICE_NAME,
-				method: "requestMatrix",
-			});
-
-			return {
-				status: false,
-				code: NETWORK_ERROR,
-				message: "Failed to send Matrix notification",
-			};
-		}
-	}
-}

server/src/service/statusService.ts

@@ -1,19 +1,15 @@
 import { IMonitorStatsRepository } from "@/domain/monitor-stats/monitor-stats.repository.interface.js";
 import { IMonitorsRepository } from "@/domain/monitors/monitor.repository.interface.js";
 import type { Check, CheckDiskInfo } from "@/domain/checks/check.type.js";
-import { MonitorStatuses, type Monitor, type MonitorStatus } from "@/domain/monitors/monitor.type.js";
-import type {
-	DockerStatusPayload,
-	GameStatusPayload,
-	GrpcStatusPayload,
-	HardwareStatusPayload,
-	HttpStatusPayload,
-	MonitorStatusResponse,
-	PageSpeedStatusPayload,
-	PingStatusPayload,
-	PortStatusPayload,
-	StatusChangeResult,
-} from "@/types/network.js";
+import {
+	HardwareMetricKeys,
+	MonitorStatuses,
+	type HardwareBreaches,
+	type HardwareCounters,
+	type Monitor,
+	type MonitorStatus,
+} from "@/domain/monitors/monitor.type.js";
+import type { StatusChangeResult } from "@/types/network.js";
 import { AppError } from "@/utils/AppError.js";
 import { ILogger } from "@/utils/logger.js";
 import type { HardwareStatusMetrics } from "@/types/network.js";
@@ -23,28 +19,9 @@ import { findContainerBreaches } from "@/domain/docker/docker-alert.js";
 
 const SERVICE_NAME = "StatusService";
 const HARDWARE_ALERT_COUNTER_START = 5;
-const HARDWARE_METRIC_KEYS = ["cpu", "memory", "disk", "temp"] as const;
-type HardwareMetricKey = (typeof HARDWARE_METRIC_KEYS)[number];
-type HardwareBreaches = Record<HardwareMetricKey, boolean>;
-type HardwareCounters = Record<HardwareMetricKey, number>;
 
 export interface IStatusService {
-	updateRunningStats(monitor: Monitor, networkResponse: MonitorStatusResponse): Promise<boolean>;
-	updateMonitorStatus(
-		statusResponse: MonitorStatusResponse<
-			| PingStatusPayload
-			| HttpStatusPayload
-			| PageSpeedStatusPayload
-			| HardwareStatusPayload
-			| DockerStatusPayload
-			| PortStatusPayload
-			| GameStatusPayload
-			| GrpcStatusPayload
-			| undefined
-		>,
-		check: Check,
-		monitor: Monitor
-	): Promise<StatusChangeResult>;
+	updateMonitorStatus(check: Check, monitor: Monitor): Promise<StatusChangeResult>;
 }
 
 export class StatusService implements IStatusService {
@@ -59,32 +36,19 @@ export class StatusService implements IStatusService {
 		this.monitorStatsRepository = monitorStatsRepository;
 	}
 
-	async updateRunningStats(monitor: Monitor, networkResponse: MonitorStatusResponse) {
+	private tryUpdateRunningStats = async (check: Check, monitor: Monitor) => {
 		try {
 			await this.monitorStatsRepository.updateByMonitorId(monitor.id, {
-				status: networkResponse.status === true,
-				responseTime: networkResponse.responseTime ?? 0,
+				status: check.status === true,
+				responseTime: check.responseTime ?? 0,
 				now: Date.now(),
 			});
-			return true;
 		} catch (error: unknown) {
-			this.logger.error({
-				service: SERVICE_NAME,
-				message: error instanceof Error ? error.message : "Unknown error",
-				method: "updateRunningStats",
-				stack: error instanceof Error ? error.stack : undefined,
-			});
-			return false;
-		}
-	}
-
-	private tryUpdateRunningStats = async (monitor: Monitor, statusResponse: MonitorStatusResponse) => {
-		const statsOk = await this.updateRunningStats(monitor, statusResponse);
-		if (!statsOk) {
 			this.logger.warn({
 				service: SERVICE_NAME,
-				method: "updateMonitorStatus",
-				message: `Stats update failed for monitor ${monitor.id}`,
+				message: error instanceof Error ? error.message : "Unknown error",
+				method: "tryUpdateRunningStats",
+				stack: error instanceof Error ? error.stack : undefined,
 			});
 		}
 	};
@@ -136,7 +100,7 @@ export class StatusService implements IStatusService {
 
 		// Update counters: decrement (floored at 0) if breached, reset to start otherwise.
 		const nextCounters = { ...counters };
-		for (const key of HARDWARE_METRIC_KEYS) {
+		for (const key of HardwareMetricKeys) {
 			nextCounters[key] = breaches[key] ? Math.max(0, counters[key] - 1) : HARDWARE_ALERT_COUNTER_START;
 		}
 
@@ -148,8 +112,8 @@ export class StatusService implements IStatusService {
 		if (!reachabilityDown) {
 			// A counter can only reach zero via the decrement path, which only runs when that
 			// metric is currently breaching — so anyCounterZero already implies anyBreached.
-			const anyCounterZero = HARDWARE_METRIC_KEYS.some((k) => nextCounters[k] === 0);
-			const allNormal = HARDWARE_METRIC_KEYS.every((k) => !breaches[k]);
+			const anyCounterZero = HardwareMetricKeys.some((k) => nextCounters[k] === 0);
+			const allNormal = HardwareMetricKeys.every((k) => !breaches[k]);
 
 			if (anyCounterZero && currentStatus !== "breached") {
 				nextStatus = "breached";
@@ -180,26 +144,12 @@ export class StatusService implements IStatusService {
 		return { nextStatus, transitioned };
 	};
 
-	updateMonitorStatus = async (
-		statusResponse: MonitorStatusResponse<
-			| PingStatusPayload
-			| HttpStatusPayload
-			| PageSpeedStatusPayload
-			| HardwareStatusPayload
-			| DockerStatusPayload
-			| PortStatusPayload
-			| GameStatusPayload
-			| GrpcStatusPayload
-			| undefined
-		>,
-		check: Check,
-		monitor: Monitor
-	): Promise<StatusChangeResult> => {
+	updateMonitorStatus = async (check: Check, monitor: Monitor): Promise<StatusChangeResult> => {
 		try {
-			const { status, code } = statusResponse;
+			const { status } = check;
 
 			// Update running stats
-			await this.tryUpdateRunningStats(monitor, statusResponse);
+			await this.tryUpdateRunningStats(check, monitor);
 
 			const prevStatus = monitor.status;
 			const checkSnapshot = toCheckSnapshot(check);
@@ -224,83 +174,62 @@ export class StatusService implements IStatusService {
 				statusChanged = newStatus === "down";
 			}
 
-			// Not enough data points yet — record the check and return
-			if (projectedWindow.length < monitor.statusWindowSize) {
-				const updated = await this.monitorsRepository.updateStatusWindowAndChecks(
-					monitor.id,
-					monitor.teamId,
-					check.status,
-					checkSnapshot,
-					monitor.statusWindowSize,
-					MAX_RECENT_CHECKS,
-					patch
-				);
-
-				return {
-					monitor: updated,
-					statusChanged,
-					prevStatus,
-					code,
-					timestamp: Date.now(),
-				};
-			}
-
-			// First evaluate reachability status changes, which apply to all monitor types
-			// and take precedence over hardware breaches.
-			const reachabilityResult = this.computeReachability(newStatus, projectedWindow, monitor.statusWindowThreshold);
-			if (reachabilityResult.transitioned) {
-				newStatus = reachabilityResult.nextStatus;
-				statusChanged = true;
-			}
-
-			// Evaluate hardware threshold breaches (only for hardware monitors with metrics payload)
 			let thresholdBreaches: HardwareBreaches | undefined;
-			const hardwarePayload = statusResponse.payload as HardwareStatusPayload | undefined;
-			if (monitor.type === "hardware" && hardwarePayload?.data) {
-				const hardware = this.computeHardwareStatus({
-					currentStatus: newStatus,
-					reachabilityDown: newStatus === "down",
-					metrics: hardwarePayload.data,
-					thresholds: {
-						cpu: monitor.cpuAlertThreshold,
-						memory: monitor.memoryAlertThreshold,
-						disk: monitor.diskAlertThreshold,
-						temp: monitor.tempAlertThreshold,
-					},
-					counters: {
-						cpu: monitor.cpuAlertCounter,
-						memory: monitor.memoryAlertCounter,
-						disk: monitor.diskAlertCounter,
-						temp: monitor.tempAlertCounter,
-					},
-				});
 
-				patch.cpuAlertCounter = hardware.nextCounters.cpu;
-				patch.memoryAlertCounter = hardware.nextCounters.memory;
-				patch.diskAlertCounter = hardware.nextCounters.disk;
-				patch.tempAlertCounter = hardware.nextCounters.temp;
-				thresholdBreaches = hardware.breaches;
-				if (hardware.transitioned) {
-					newStatus = hardware.nextStatus;
+			if (projectedWindow.length >= monitor.statusWindowSize) {
+				// First evaluate reachability status changes, which apply to all monitor types
+				// and take precedence over hardware breaches.
+				const reachabilityResult = this.computeReachability(newStatus, projectedWindow, monitor.statusWindowThreshold);
+				if (reachabilityResult.transitioned) {
+					newStatus = reachabilityResult.nextStatus;
 					statusChanged = true;
 				}
-			}
 
-			const dockerPayload = statusResponse.payload as DockerStatusPayload | undefined;
-			if (monitor.type === "docker" && dockerPayload?.containers) {
-				const breaches = findContainerBreaches(monitor, dockerPayload.containers);
-				const docker = this.computeDockerStatus({
-					currentStatus: newStatus,
-					reachabilityDown: newStatus === "down",
-					breaching: breaches.length > 0,
-				});
-				if (docker.transitioned) {
-					newStatus = docker.nextStatus;
-					statusChanged = true;
+				// Evaluate hardware threshold breaches
+				if (monitor.type === "hardware") {
+					const hardware = this.computeHardwareStatus({
+						currentStatus: newStatus,
+						reachabilityDown: newStatus === "down",
+						metrics: check,
+						thresholds: {
+							cpu: monitor.cpuAlertThreshold,
+							memory: monitor.memoryAlertThreshold,
+							disk: monitor.diskAlertThreshold,
+							temp: monitor.tempAlertThreshold,
+						},
+						counters: {
+							cpu: monitor.cpuAlertCounter,
+							memory: monitor.memoryAlertCounter,
+							disk: monitor.diskAlertCounter,
+							temp: monitor.tempAlertCounter,
+						},
+					});
+
+					patch.cpuAlertCounter = hardware.nextCounters.cpu;
+					patch.memoryAlertCounter = hardware.nextCounters.memory;
+					patch.diskAlertCounter = hardware.nextCounters.disk;
+					patch.tempAlertCounter = hardware.nextCounters.temp;
+					thresholdBreaches = hardware.breaches;
+					if (hardware.transitioned) {
+						newStatus = hardware.nextStatus;
+						statusChanged = true;
+					}
 				}
-			}
 
-			patch.status = newStatus;
+				if (monitor.type === "docker" && check.containers) {
+					const breaches = findContainerBreaches(monitor, check.containers);
+					const docker = this.computeDockerStatus({
+						currentStatus: newStatus,
+						reachabilityDown: newStatus === "down",
+						breaching: breaches.length > 0,
+					});
+					if (docker.transitioned) {
+						newStatus = docker.nextStatus;
+						statusChanged = true;
+					}
+				}
+				patch.status = newStatus;
+			}
 
 			// Single atomic write: push arrays + set status/counters
 			const updated = await this.monitorsRepository.updateStatusWindowAndChecks(
@@ -317,8 +246,6 @@ export class StatusService implements IStatusService {
 				monitor: updated,
 				statusChanged,
 				prevStatus,
-				code,
-				timestamp: new Date().getTime(),
 				thresholdBreaches,
 			};
 		} catch (error: unknown) {

server/src/types/network.ts

@@ -10,7 +10,7 @@ import type {
 	ILighthouseAudit,
 } from "@/domain/checks/check.type.js";
 import { DockerContainerInfo, DockerContainerLogs, DockerContainerSummary } from "@/domain/docker/docker.type.js";
-import type { DnsRecordType, Monitor, MonitorMatchMethod, MonitorStatus, MonitorType } from "@/domain/monitors/monitor.type.js";
+import type { DnsRecordType, HardwareBreaches, Monitor, MonitorMatchMethod, MonitorStatus, MonitorType } from "@/domain/monitors/monitor.type.js";
 
 import type { QueryResult } from "gamedig";
 
@@ -182,14 +182,7 @@ export type StatusChangeResult = {
 	monitor: Monitor;
 	statusChanged: boolean;
 	prevStatus: MonitorStatus;
-	code: number;
-	timestamp: number;
-	thresholdBreaches?: {
-		cpu: boolean;
-		memory: boolean;
-		disk: boolean;
-		temp: boolean;
-	};
+	thresholdBreaches?: HardwareBreaches;
 };
 
 export type MonitorStatusResponseOverrides<T> = Partial<Omit<MonitorStatusResponse<T>, "monitorId" | "teamId" | "type">>;

server/src/worker/reactors/reactor.incident.ts

@@ -8,6 +8,6 @@ export class IncidentReactor implements IMonitorReactor {
 	constructor(private incidentService: IIncidentService) {}
 
 	react = async (evaluation: MonitorEvaluation) => {
-		await this.incidentService.handleIncident(evaluation.monitor, evaluation.statusChange.code, evaluation.decision, evaluation.status);
+		await this.incidentService.handleIncident(evaluation.monitor, evaluation.decision, evaluation.check);
 	};
 }

server/src/worker/reactors/reactor.notification.ts

@@ -7,7 +7,6 @@ export class NotificationReactor implements IMonitorReactor {
 	constructor(private notificationService: INotificationsService) {}
 
 	react = async (evaluation: MonitorEvaluation) => {
-		if (!evaluation.decision.shouldSendNotification) return;
-		await this.notificationService.handleNotifications(evaluation.monitor, evaluation.status, evaluation.decision);
+		await this.notificationService.handleNotifications(evaluation.monitor, evaluation.check, evaluation.decision);
 	};
 }

server/src/worker/worker.interface.ts

@@ -1,31 +1,23 @@
-import { Monitor } from "@/domain/monitors/monitor.type.js";
+import { HardwareBreaches, Monitor } from "@/domain/monitors/monitor.type.js";
 import { Check } from "@/domain/checks/check.type.js";
 import { Job, JobType } from "@/domain/jobs/job.type.js";
-import { MonitorPayloadMap, MonitorStatusResponse, StatusChangeResult } from "@/types/network.js";
 import { QueueWorker } from "@/domain/queue-workers/queue-worker.type.js";
 import type { QueueMode } from "@/domain/app-settings/app-settings.type.js";
 
 export type JobHandler = (job: Job) => Promise<void>;
 export type JobHandlers = Record<JobType, JobHandler>;
+
+export const MonitorTransitions = ["status_down", "status_up", "threshold_breach", "threshold_resolved"] as const;
+export type MonitorTransition = (typeof MonitorTransitions)[number];
+
 export interface MonitorActionDecision {
-	shouldCreateIncident: boolean;
-	shouldResolveIncident: boolean;
-	shouldSendNotification: boolean;
-	incidentReason: "status_down" | "threshold_breach" | null;
-	notificationReason: "status_change" | "threshold_breach" | "threshold_resolved" | null;
-	thresholdBreaches?: {
-		cpu?: boolean;
-		memory?: boolean;
-		disk?: boolean;
-		temp?: boolean;
-	};
+	transition: MonitorTransition | null;
+	thresholdBreaches?: HardwareBreaches;
 }
 
 export type MonitorEvaluation = {
 	monitor: Monitor;
-	status: MonitorStatusResponse<MonitorPayloadMap[keyof MonitorPayloadMap]>; // raw result from networkService.requestStatus
 	check: Check;
-	statusChange: StatusChangeResult; // from statusService.updateMonitorStatus
 	decision: MonitorActionDecision;
 };
 

server/src/worker/worker.pipeline.ts

@@ -3,15 +3,14 @@ import { ICheckService } from "@/domain/checks/check.service.js";
 import { Check } from "@/domain/checks/check.type.js";
 import { IDockerLogsService } from "@/domain/docker/docker-log.service.js";
 import { IEgressService, isHttpStatusCode } from "@/domain/egress/egress.service.js";
-import type { EgressStatus } from "@/domain/egress/egress.type.js";
 import { IJobsRepository } from "@/domain/jobs/job.repository.interface.js";
 import { PendingCheck } from "@/domain/jobs/job.type.js";
 import { IMaintenanceWindowsRepository } from "@/domain/maintenance-windows/maintenance-window.repository.interface.js";
 import { IMonitorsRepository } from "@/domain/monitors/monitor.repository.interface.js";
 import { isEgressAttributable, Monitor } from "@/domain/monitors/monitor.type.js";
 import { IBufferService } from "@/service/bufferService.js";
-import { IProxyResolver } from "@/service/network/ProxyResolver.js";
-import { INetworkService } from "@/service/networkService.js";
+import { IProxyResolver } from "@/service/networkProviders/ProxyResolver.js";
+import { IProviderRegistry } from "@/service/networkProviders/providerRegistry.js";
 import { IStatusService } from "@/service/statusService.js";
 import { DockerStatusPayload, MonitorStatusResponse, StatusChangeResult } from "@/types/network.js";
 import { AppError } from "@/utils/AppError.js";
@@ -37,7 +36,7 @@ export interface WorkerPipelineDependencies {
 	checksRepository: IChecksRepository;
 	jobsRepository: IJobsRepository;
 	checkService: ICheckService;
-	networkService: INetworkService;
+	providerRegistry: IProviderRegistry;
 	proxyResolver: IProxyResolver;
 	bufferService: IBufferService;
 	dockerLogsService: IDockerLogsService;
@@ -104,7 +103,7 @@ export class WorkerPipeline implements IWorkerPipeline {
 		const proxyUrl = await this.deps.proxyResolver.resolve(monitor);
 		const dockerTlsKey = await this.resolveDockerTlsKey(monitor);
 
-		const status = await this.deps.networkService.requestStatus(monitor, { proxyUrl, dockerTlsKey });
+		const status = await this.deps.providerRegistry.probe(monitor, { proxyUrl, dockerTlsKey });
 		if (!status) {
 			throw new Error("No network response");
 		}
@@ -128,7 +127,7 @@ export class WorkerPipeline implements IWorkerPipeline {
 
 		// Step 2b: On a transport failure, ask whether the instance itself can reach anything before blaming the
 		// target. Null means the egress check is disabled (or failed internally) and the check is treated as usual.
-		const egressStatus = this.isTransportFailure(monitor, status) ? await this.assessEgress(monitor.id) : null;
+		const egressStatus = this.isTransportFailure(monitor, status) ? await this.deps.egressService.assessAfterFailure() : null;
 		if (egressStatus !== null) {
 			check.egressStatus = egressStatus;
 		}
@@ -171,20 +170,6 @@ export class WorkerPipeline implements IWorkerPipeline {
 		return status.status === false && isEgressAttributable(monitor) && !this.peerAnswered(status);
 	}
 
-	// The egress check must never stop a check being recorded, so a rejection is logged and treated as unknown.
-	private async assessEgress(monitorId: string): Promise<EgressStatus | null> {
-		try {
-			return await this.deps.egressService.assessAfterFailure();
-		} catch (error: unknown) {
-			this.deps.logger.warn({
-				message: `Egress assessment failed for monitor ${monitorId}: ${error instanceof Error ? error.message : String(error)}`,
-				service: SERVICE_NAME,
-				method: "assessEgress",
-			});
-			return null;
-		}
-	}
-
 	// ****************************************************************
 	// Stage 2: Ingestion
 	// Called by the buffer, checks are inserted and evaluation jobs created
@@ -240,8 +225,7 @@ export class WorkerPipeline implements IWorkerPipeline {
 
 		let current = monitor;
 		for (const check of checks) {
-			const status = this.deps.checkService.toStatusResponse(check);
-			const evaluation = await this.evaluateCheck(status, check, current);
+			const evaluation = await this.evaluateCheck(check, current);
 			await this.deps.dispatcher.dispatch(evaluation); // Handle incidents and notifications
 			const leaseHeld = await this.deps.jobsRepository.pullEvaluated(job.id, [check.id]);
 			if (!leaseHeld) {
@@ -253,7 +237,7 @@ export class WorkerPipeline implements IWorkerPipeline {
 				});
 				return;
 			}
-			current = evaluation.statusChange.monitor; // fresh statusWindow/status/counters for the next check
+			current = evaluation.monitor; // fresh statusWindow/status/counters for the next check
 		}
 
 		// Ids whose check was not returned (deleted by retention cleanup) would otherwise sit on the row forever
@@ -272,69 +256,47 @@ export class WorkerPipeline implements IWorkerPipeline {
 	// A check taken while the instance had no outbound connectivity says nothing about the target.
 	// It is left out of the status window, running stats and monitor status entirely, so that no incident
 	// opens for it and no spurious "resolved"/"up" fires once egress returns.
-	private skipDegradedEgressCheck = (status: MonitorStatusResponse, check: Check, monitor: Monitor): MonitorEvaluation => {
+	private skipDegradedEgressCheck = (check: Check, monitor: Monitor): MonitorEvaluation => {
 		this.deps.logger.debug({
 			message: `Skipping evaluation of check ${check.id} for monitor ${monitor.id}: instance egress was degraded`,
 			service: SERVICE_NAME,
 			method: "evaluateCheck",
 		});
-		const decision: MonitorActionDecision = {
-			shouldCreateIncident: false,
-			shouldResolveIncident: false,
-			shouldSendNotification: false,
-			incidentReason: null,
-			notificationReason: null,
-		};
+
 		return {
 			monitor,
-			status,
 			check,
-			statusChange: { monitor, statusChanged: false, prevStatus: monitor.status, code: status.code, timestamp: Date.now() },
-			decision,
+			decision: { transition: null },
 		};
 	};
 
-	evaluateCheck = async (status: MonitorStatusResponse, check: Check, monitor: Monitor): Promise<MonitorEvaluation> => {
+	evaluateCheck = async (check: Check, monitor: Monitor): Promise<MonitorEvaluation> => {
 		if (check.egressStatus === "degraded") {
-			return this.skipDegradedEgressCheck(status, check, monitor);
+			return this.skipDegradedEgressCheck(check, monitor);
 		}
 
-		const statusChange = await this.deps.statusService.updateMonitorStatus(status, check, monitor);
+		const statusChange = await this.deps.statusService.updateMonitorStatus(check, monitor);
 
 		const decision = this.decide(statusChange);
-		return { monitor: statusChange.monitor, status, check, statusChange, decision };
+		return { monitor: statusChange.monitor, check, decision };
 	};
 
 	private decide = (statusChange: StatusChangeResult): MonitorActionDecision => {
-		const { monitor, statusChanged, prevStatus } = statusChange;
-		const decision: MonitorActionDecision = {
-			shouldCreateIncident: false,
-			shouldResolveIncident: false,
-			shouldSendNotification: false,
-			incidentReason: null,
-			notificationReason: null,
-		};
-		if (!statusChanged) return decision;
+		const { monitor, statusChanged, prevStatus, thresholdBreaches } = statusChange;
+		if (!statusChanged) return { transition: null };
 
-		if (monitor.status === "down") {
-			decision.shouldCreateIncident = true;
-			decision.shouldSendNotification = true;
-			decision.incidentReason = "status_down";
-			decision.notificationReason = "status_change";
-		} else if (monitor.status === "breached") {
-			decision.shouldCreateIncident = true;
-			decision.shouldSendNotification = true;
-			decision.incidentReason = "threshold_breach";
-			decision.notificationReason = "threshold_breach";
-		} else if (monitor.status === "up" && prevStatus === "breached") {
-			decision.shouldResolveIncident = true;
-			decision.shouldSendNotification = true;
-			decision.notificationReason = "threshold_resolved";
-		} else if (monitor.status === "up" && prevStatus === "down") {
-			decision.shouldResolveIncident = true;
-			decision.shouldSendNotification = true;
-			decision.notificationReason = "status_change";
+		if (monitor.status === "down") return { transition: "status_down" };
+
+		if (monitor.status === "breached") {
+			return thresholdBreaches
+				? // Hardware
+					{ transition: "threshold_breach", thresholdBreaches }
+				: // Docker
+					{ transition: "threshold_breach" };
 		}
-		return decision;
+
+		if (monitor.status === "up" && prevStatus === "breached") return { transition: "threshold_resolved" };
+		if (monitor.status === "up" && prevStatus === "down") return { transition: "status_up" };
+		return { transition: null };
 	};
 }

server/test/helpers/heartbeatTestHarness.ts

@@ -5,17 +5,17 @@ import { IncidentReactor } from "../../src/worker/reactors/reactor.incident.ts";
 import { ReactorDispatcher } from "../../src/worker/reactors/reactor.dispatcher.ts";
 import { StatusService } from "../../src/service/statusService.ts";
 import { IncidentService } from "../../src/domain/incidents/incident.service.ts";
+import { CheckService } from "../../src/domain/checks/check.service.ts";
 import { InMemoryMonitorsRepository } from "./InMemoryMonitorsRepository.ts";
 import { InMemoryIncidentsRepository } from "./InMemoryIncidentsRepository.ts";
 import { createMockLogger } from "./createMockLogger.ts";
 import type { Monitor } from "../../src/domain/monitors/monitor.type.ts";
-import type { MonitorStatusResponse } from "../../src/types/network.ts";
 import type { Check } from "../../src/domain/checks/check.type.ts";
+import type { MonitorActionDecision } from "../../src/worker/worker.interface.ts";
+import type { MonitorStatusResponse } from "../../src/types/network.ts";
 import type { MaintenanceWindow } from "../../src/domain/maintenance-windows/maintenance-window.type.ts";
 import type { EgressStatus } from "../../src/domain/egress/egress.type.ts";
 
-let checkCounter = 0;
-
 export const makeMonitor = (overrides?: Partial<Monitor>): Monitor =>
 	({
 		id: "mon-1",
@@ -45,20 +45,6 @@ export const makeStatusResponse = (status: boolean, code: number): MonitorStatus
 	responseTime: status ? 150 : 0,
 });
 
-export const makeCheck = (status: boolean, code: number): Check => {
-	const now = new Date().toISOString();
-	return {
-		id: `check-${++checkCounter}`,
-		metadata: { monitorId: "mon-1", teamId: "team-1", type: "http" },
-		status,
-		statusCode: code,
-		responseTime: status ? 150 : 0,
-		message: status ? "OK" : "Service Unavailable",
-		createdAt: now,
-		updatedAt: now,
-	};
-};
-
 const createStubMonitorStatsRepo = () => ({
 	findByMonitorId: jest.fn().mockRejectedValue(new Error("no stats")),
 	create: jest.fn().mockResolvedValue({}),
@@ -74,10 +60,10 @@ export interface HeartbeatTestHarness {
 	statusService: StatusService;
 	incidentService: IncidentService;
 	notificationsService: { handleNotifications: jest.Mock };
-	networkService: { requestStatus: jest.Mock };
+	providerRegistry: { probe: jest.Mock };
 	bufferStub: { addToBuffer: jest.Mock; addGeoCheckToBuffer: jest.Mock; scheduleNextFlush: jest.Mock };
 	maintenanceWindowsRepo: { findByMonitorId: jest.Mock };
-	messageBuilder: { extractThresholdBreaches: jest.Mock };
+	messageBuilder: { buildThresholdBreachMessage: jest.Mock };
 	egressService: { assessAfterFailure: jest.Mock };
 	heartbeatJob: (monitor: Monitor) => Promise<void>;
 	setNextResponse: (status: boolean, code: number) => void;
@@ -86,8 +72,6 @@ export interface HeartbeatTestHarness {
 }
 
 export function createHeartbeatTestHarness(): HeartbeatTestHarness {
-	checkCounter = 0;
-
 	const monitorsRepo = new InMemoryMonitorsRepository();
 	const incidentsRepo = new InMemoryIncidentsRepository();
 	const logger = createMockLogger() as any;
@@ -95,7 +79,7 @@ export function createHeartbeatTestHarness(): HeartbeatTestHarness {
 
 	const statusService = new StatusService(logger, monitorsRepo as any, createStubMonitorStatsRepo() as any);
 
-	const messageBuilder = { extractThresholdBreaches: jest.fn().mockReturnValue([]) };
+	const messageBuilder = { buildThresholdBreachMessage: jest.fn().mockReturnValue("") };
 	const incidentService = new IncidentService(logger, incidentsRepo, monitorsRepo as any, { findById: jest.fn() } as any, messageBuilder as any);
 
 	const notificationsService = { handleNotifications: jest.fn().mockResolvedValue(true) };
@@ -103,19 +87,17 @@ export function createHeartbeatTestHarness(): HeartbeatTestHarness {
 	let nextResponse: MonitorStatusResponse | null = null;
 	let nextStatus = true;
 	let nextCode = 200;
-	const networkService = {
-		requestStatus: jest.fn().mockImplementation(() => {
+	const providerRegistry = {
+		probe: jest.fn().mockImplementation(() => {
 			if (nextResponse) {
 				return Promise.resolve(nextResponse);
 			}
 			return Promise.resolve(makeStatusResponse(nextStatus, nextCode));
 		}),
 	};
-	const checkService = {
-		toCheck: jest.fn().mockImplementation((response: MonitorStatusResponse) => {
-			return makeCheck(response.status, response.code);
-		}),
-	};
+	// The real mapper, so the stored check carries the hardware/docker payload the evaluator reads.
+	// Only toCheck is reached; the repositories are never touched.
+	const checkService = new CheckService(monitorsRepo as any, logger, {} as any);
 
 	const setNextResponse = (status: boolean, code: number) => {
 		nextResponse = null;
@@ -137,7 +119,13 @@ export function createHeartbeatTestHarness(): HeartbeatTestHarness {
 		nextEgressStatus = status;
 	};
 
-	const notificationReactor = new NotificationReactor(notificationsService as any);
+	// The real NotificationsService ignores decisions with no transition; the stub is reached only for the ones it
+	// would act on, so tests can assert on handleNotifications calls as "notifications sent".
+	const guardedNotificationsService = {
+		handleNotifications: (monitor: Monitor, check: Check, decision: MonitorActionDecision) =>
+			decision.transition !== null ? notificationsService.handleNotifications(monitor, check, decision) : Promise.resolve(false),
+	};
+	const notificationReactor = new NotificationReactor(guardedNotificationsService as any);
 	const incidentReactor = new IncidentReactor(incidentService as any);
 	const reactorDispatcher = new ReactorDispatcher(logger, [notificationReactor, incidentReactor]);
 
@@ -149,7 +137,7 @@ export function createHeartbeatTestHarness(): HeartbeatTestHarness {
 		checksRepository: { findUnevaluatedByMonitorId: jest.fn() } as any,
 		jobsRepository: { upsertEvaluate: jest.fn(), pullEvaluated: jest.fn() } as any,
 		checkService: checkService as any,
-		networkService: networkService as any,
+		providerRegistry: providerRegistry as any,
 		proxyResolver: proxyResolver as any,
 		bufferService: bufferStub as any,
 		dockerLogsService: dockerLogsService as any,
@@ -165,7 +153,7 @@ export function createHeartbeatTestHarness(): HeartbeatTestHarness {
 		if (!monitor) return;
 		const result = await pipeline.produce(monitor);
 		if (!result) return; // skipped (e.g. maintenance window)
-		const evaluation = await pipeline.evaluateCheck(result.status, result.check, monitor);
+		const evaluation = await pipeline.evaluateCheck(result.check, monitor);
 		await reactorDispatcher.dispatch(evaluation);
 	};
 
@@ -175,7 +163,7 @@ export function createHeartbeatTestHarness(): HeartbeatTestHarness {
 		statusService,
 		incidentService,
 		notificationsService,
-		networkService,
+		providerRegistry,
 		bufferStub,
 		maintenanceWindowsRepo,
 		messageBuilder,

server/test/helpers/notificationMessage.ts

@@ -21,7 +21,7 @@ export const makeMessage = (overrides?: Partial<NotificationMessage>): Notificat
 		timestamp: new Date("2025-01-01T00:00:00Z"),
 	},
 	clientHost: "https://app.example.com",
-	metadata: { teamId: "team-1", notificationReason: "status_change" },
+	metadata: { teamId: "team-1" },
 	...overrides,
 });
 

server/test/helpers/notificationProviderContract.ts

@@ -14,7 +14,7 @@ const makeMessage = (): NotificationMessage => ({
 		timestamp: new Date("2025-01-01T00:00:00Z"),
 	},
 	clientHost: "https://app.example.com",
-	metadata: { teamId: "team-1", notificationReason: "status_change" },
+	metadata: { teamId: "team-1" },
 });
 
 export const testNotificationProviderContract = (

server/test/helpers/statusProviderContract.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it } from "@jest/globals";
-import type { IStatusProvider } from "../../src/service/network/IStatusProvider.ts";
+import type { IStatusProvider } from "../../src/service/networkProviders/IStatusProvider.ts";
 import type { Monitor } from "../../src/domain/monitors/monitor.type.ts";
 
 /**

server/test/integration/evaluateCursorMultiWorker.test.ts

@@ -126,14 +126,14 @@ describe("Evaluate cursor with more than one processing worker", () => {
 			checksRepository,
 			jobsRepository,
 			checkService,
-			networkService: { requestStatus: jest.fn<any>() } as any,
+			providerRegistry: { probe: jest.fn<any>() } as any,
 			proxyResolver: { resolve: jest.fn<any>() } as any,
 			bufferService,
 			dockerLogsService: { buildDockerLogs: jest.fn<any>() } as any,
 			statusService: {
-				updateMonitorStatus: async (_status: MonitorStatusResponse, check: Check, monitor: Monitor) => {
+				updateMonitorStatus: async (check: Check, monitor: Monitor) => {
 					evaluatedCheckIds.push(check.id);
-					return { monitor, statusChanged: false, prevStatus: monitor.status, code: 200, timestamp: 0 };
+					return { monitor, statusChanged: false, prevStatus: monitor.status };
 				},
 			} as any,
 			dispatcher: { dispatch: jest.fn<any>().mockResolvedValue(undefined) } as any,

server/test/integration/heartbeatJobMaintenance.test.ts

@@ -44,7 +44,7 @@ describe("Heartbeat job: maintenance windows", () => {
 		expect(storedMonitor.status).toBe("maintenance");
 
 		// No network request should have been made
-		expect(h.networkService.requestStatus).not.toHaveBeenCalled();
+		expect(h.providerRegistry.probe).not.toHaveBeenCalled();
 
 		// No check should have been buffered
 		expect(h.bufferStub.addToBuffer).not.toHaveBeenCalled();
@@ -68,7 +68,7 @@ describe("Heartbeat job: maintenance windows", () => {
 		// since status was already "maintenance"
 		const storedMonitor = await h.monitorsRepo.findById("mon-1", "team-1");
 		expect(storedMonitor.status).toBe("maintenance");
-		expect(h.networkService.requestStatus).not.toHaveBeenCalled();
+		expect(h.providerRegistry.probe).not.toHaveBeenCalled();
 	});
 
 	it("resumes normal checks when maintenance window expires", async () => {
@@ -88,7 +88,7 @@ describe("Heartbeat job: maintenance windows", () => {
 		await h.heartbeatJob(monitor);
 
 		// Network request should have been made this time
-		expect(h.networkService.requestStatus).toHaveBeenCalledTimes(1);
+		expect(h.providerRegistry.probe).toHaveBeenCalledTimes(1);
 
 		// Check should have been buffered
 		expect(h.bufferStub.addToBuffer).toHaveBeenCalledTimes(1);
@@ -105,7 +105,7 @@ describe("Heartbeat job: maintenance windows", () => {
 		await h.heartbeatJob(monitor);
 
 		// Normal check should proceed since window is inactive
-		expect(h.networkService.requestStatus).toHaveBeenCalledTimes(1);
+		expect(h.providerRegistry.probe).toHaveBeenCalledTimes(1);
 		expect(h.bufferStub.addToBuffer).toHaveBeenCalledTimes(1);
 	});
 
@@ -123,7 +123,7 @@ describe("Heartbeat job: maintenance windows", () => {
 
 		expect((await h.monitorsRepo.findById("mon-a", "team-1")).status).toBe("maintenance");
 		expect((await h.monitorsRepo.findById("mon-b", "team-1")).status).toBe("maintenance");
-		expect(h.networkService.requestStatus).not.toHaveBeenCalled();
+		expect(h.providerRegistry.probe).not.toHaveBeenCalled();
 	});
 
 	it("skips checks when window is in the past (expired)", async () => {
@@ -141,6 +141,6 @@ describe("Heartbeat job: maintenance windows", () => {
 		await h.heartbeatJob(monitor);
 
 		// Window is in the past — normal check should proceed
-		expect(h.networkService.requestStatus).toHaveBeenCalledTimes(1);
+		expect(h.providerRegistry.probe).toHaveBeenCalledTimes(1);
 	});
 });

server/test/integration/heartbeatJobThresholdBreach.test.ts

@@ -49,7 +49,7 @@ describe("Heartbeat job: hardware threshold breach", () => {
 		h.setNextResponseFull(makeHardwareResponse(0.9));
 
 		// Configure message builder for when incident is created
-		h.messageBuilder.extractThresholdBreaches.mockReturnValue([{ metric: "cpu", formattedValue: "90%", threshold: 80, unit: "%" }]);
+		h.messageBuilder.buildThresholdBreachMessage.mockReturnValue("CPU: 90% (threshold: 80%)");
 
 		// 4 heartbeats: counter goes 5→4→3→2→1, status still "up"
 		for (let i = 0; i < 4; i++) {
@@ -191,7 +191,7 @@ describe("Heartbeat job: hardware threshold breach", () => {
 		h.monitorsRepo.seed(monitor);
 
 		h.setNextResponseFull(makeHardwareResponse(0.9));
-		h.messageBuilder.extractThresholdBreaches.mockReturnValue([{ metric: "cpu", formattedValue: "90%", threshold: 80, unit: "%" }]);
+		h.messageBuilder.buildThresholdBreachMessage.mockReturnValue("CPU: 90% (threshold: 80%)");
 
 		// 5 heartbeats to trigger breach, then 5 more while still breaching
 		for (let i = 0; i < 10; i++) {

server/test/integration/incidentLifecycle.test.ts

@@ -7,6 +7,7 @@ import type { IUsersRepository } from "../../src/domain/users/user.repository.in
 import type { INotificationMessageBuilder } from "../../src/domain/notifications/notification.message-builder.ts";
 import type { Monitor } from "../../src/domain/monitors/monitor.type.ts";
 import type { MonitorActionDecision } from "../../src/worker/worker.interface.ts";
+import type { Check } from "../../src/domain/checks/check.type.ts";
 
 // ── Helpers ──────────────────────────────────────────────────────────────────
 
@@ -22,14 +23,21 @@ const makeMonitor = (overrides?: Partial<Monitor>): Monitor =>
 	}) as Monitor;
 
 const makeDecision = (overrides?: Partial<MonitorActionDecision>): MonitorActionDecision => ({
-	shouldCreateIncident: false,
-	shouldResolveIncident: false,
-	shouldSendNotification: false,
-	incidentReason: null,
-	notificationReason: null,
+	transition: null,
 	...overrides,
 });
 
+const makeCheck = (statusCode: number): Check => ({
+	id: "check-1",
+	metadata: { monitorId: "mon-1", teamId: "team-1", type: "http" },
+	status: statusCode < 400,
+	statusCode,
+	responseTime: 100,
+	message: statusCode < 400 ? "OK" : "Service Unavailable",
+	createdAt: "2026-01-01T00:00:00Z",
+	updatedAt: "2026-01-01T00:00:00Z",
+});
+
 // ── Test suite ───────────────────────────────────────────────────────────────
 
 describe("Incident lifecycle (integration)", () => {
@@ -43,7 +51,7 @@ describe("Incident lifecycle (integration)", () => {
 		repo = new InMemoryIncidentsRepository();
 		monitorsRepo = { findById: jest.fn() } as unknown as jest.Mocked<IMonitorsRepository>;
 		usersRepo = { findById: jest.fn() } as unknown as jest.Mocked<IUsersRepository>;
-		messageBuilder = { extractThresholdBreaches: jest.fn() } as unknown as jest.Mocked<INotificationMessageBuilder>;
+		messageBuilder = { buildThresholdBreachMessage: jest.fn() } as unknown as jest.Mocked<INotificationMessageBuilder>;
 		service = new IncidentService(createMockLogger() as any, repo, monitorsRepo, usersRepo, messageBuilder);
 	});
 
@@ -51,9 +59,9 @@ describe("Incident lifecycle (integration)", () => {
 
 	it("creates an incident when monitor goes down", async () => {
 		const monitor = makeMonitor({ status: "down" });
-		const decision = makeDecision({ shouldCreateIncident: true, incidentReason: "status_down" });
+		const decision = makeDecision({ transition: "status_down" });
 
-		const incident = await service.handleIncident(monitor, 503, decision);
+		const incident = await service.handleIncident(monitor, decision, makeCheck(503));
 
 		expect(incident).not.toBeNull();
 		expect(incident!.monitorId).toBe("mon-1");
@@ -72,10 +80,10 @@ describe("Incident lifecycle (integration)", () => {
 
 	it("does not create a duplicate incident for the same monitor", async () => {
 		const monitor = makeMonitor({ status: "down" });
-		const decision = makeDecision({ shouldCreateIncident: true, incidentReason: "status_down" });
+		const decision = makeDecision({ transition: "status_down" });
 
-		const first = await service.handleIncident(monitor, 503, decision);
-		const second = await service.handleIncident(monitor, 503, decision);
+		const first = await service.handleIncident(monitor, decision, makeCheck(503));
+		const second = await service.handleIncident(monitor, decision, makeCheck(503));
 
 		expect(second!.id).toBe(first!.id);
 		expect(repo.getAll()).toHaveLength(1);
@@ -85,11 +93,11 @@ describe("Incident lifecycle (integration)", () => {
 
 	it("auto-resolves an incident when monitor recovers", async () => {
 		const monitor = makeMonitor({ status: "down" });
-		const createDecision = makeDecision({ shouldCreateIncident: true, incidentReason: "status_down" });
-		const created = await service.handleIncident(monitor, 503, createDecision);
+		const createDecision = makeDecision({ transition: "status_down" });
+		const created = await service.handleIncident(monitor, createDecision, makeCheck(503));
 
-		const resolveDecision = makeDecision({ shouldResolveIncident: true });
-		const resolved = await service.handleIncident(monitor, 200, resolveDecision);
+		const resolveDecision = makeDecision({ transition: "status_up" });
+		const resolved = await service.handleIncident(monitor, resolveDecision, makeCheck(200));
 
 		expect(resolved).not.toBeNull();
 		expect(resolved!.id).toBe(created!.id);
@@ -102,9 +110,9 @@ describe("Incident lifecycle (integration)", () => {
 
 	it("returns null when resolving with no active incident", async () => {
 		const monitor = makeMonitor({ status: "up" });
-		const decision = makeDecision({ shouldResolveIncident: true });
+		const decision = makeDecision({ transition: "status_up" });
 
-		const result = await service.handleIncident(monitor, 200, decision);
+		const result = await service.handleIncident(monitor, decision, makeCheck(200));
 
 		expect(result).toBeNull();
 	});
@@ -113,8 +121,8 @@ describe("Incident lifecycle (integration)", () => {
 
 	it("manually resolves an active incident with comment", async () => {
 		const monitor = makeMonitor({ status: "down" });
-		const decision = makeDecision({ shouldCreateIncident: true, incidentReason: "status_down" });
-		const created = await service.handleIncident(monitor, 500, decision);
+		const decision = makeDecision({ transition: "status_down" });
+		const created = await service.handleIncident(monitor, decision, makeCheck(500));
 
 		const resolved = await service.resolveIncident(created!.id, "user-1", "team-1", "Root cause identified", "user@test.com");
 
@@ -128,8 +136,8 @@ describe("Incident lifecycle (integration)", () => {
 
 	it("throws when manually resolving an already-resolved incident", async () => {
 		const monitor = makeMonitor({ status: "down" });
-		const decision = makeDecision({ shouldCreateIncident: true, incidentReason: "status_down" });
-		const created = await service.handleIncident(monitor, 500, decision);
+		const decision = makeDecision({ transition: "status_down" });
+		const created = await service.handleIncident(monitor, decision, makeCheck(500));
 
 		await service.resolveIncident(created!.id, "user-1", "team-1");
 
@@ -140,13 +148,10 @@ describe("Incident lifecycle (integration)", () => {
 
 	it("creates a threshold breach incident with statusCode 9999 and descriptive message", async () => {
 		const monitor = makeMonitor({ status: "breached", type: "hardware" });
-		(messageBuilder.extractThresholdBreaches as jest.Mock).mockReturnValue([
-			{ metric: "cpu", formattedValue: "92%", threshold: 80, unit: "%" },
-			{ metric: "memory", formattedValue: "88%", threshold: 85, unit: "%" },
-		]);
-		const decision = makeDecision({ shouldCreateIncident: true, incidentReason: "threshold_breach" });
+		(messageBuilder.buildThresholdBreachMessage as jest.Mock).mockReturnValue("CPU: 92% (threshold: 80%), MEMORY: 88% (threshold: 85%)");
+		const decision = makeDecision({ transition: "threshold_breach" });
 
-		const incident = await service.handleIncident(monitor, 200, decision, { monitorId: "mon-1" } as any);
+		const incident = await service.handleIncident(monitor, decision, makeCheck(200));
 
 		expect(incident!.statusCode).toBe(9999);
 		expect(incident!.message).toBe("CPU: 92% (threshold: 80%), MEMORY: 88% (threshold: 85%)");
@@ -158,7 +163,7 @@ describe("Incident lifecycle (integration)", () => {
 		const monitor = makeMonitor({ status: "up" });
 		const decision = makeDecision();
 
-		const result = await service.handleIncident(monitor, 200, decision);
+		const result = await service.handleIncident(monitor, decision, makeCheck(200));
 
 		expect(result).toBeNull();
 		expect(repo.getAll()).toHaveLength(0);
@@ -170,19 +175,19 @@ describe("Incident lifecycle (integration)", () => {
 		const monitor = makeMonitor({ status: "down" });
 
 		// First outage
-		const first = await service.handleIncident(monitor, 503, makeDecision({ shouldCreateIncident: true, incidentReason: "status_down" }));
+		const first = await service.handleIncident(monitor, makeDecision({ transition: "status_down" }), makeCheck(503));
 		expect(first!.status).toBe(true);
 
 		// Manually resolved
 		await service.resolveIncident(first!.id, "user-1", "team-1", "Restarted server");
 
 		// Second outage — new incident since previous was resolved
-		const second = await service.handleIncident(monitor, 502, makeDecision({ shouldCreateIncident: true, incidentReason: "status_down" }));
+		const second = await service.handleIncident(monitor, makeDecision({ transition: "status_down" }), makeCheck(502));
 		expect(second!.id).not.toBe(first!.id);
 		expect(second!.statusCode).toBe(502);
 
 		// Auto-resolve
-		const resolved = await service.handleIncident(monitor, 200, makeDecision({ shouldResolveIncident: true }));
+		const resolved = await service.handleIncident(monitor, makeDecision({ transition: "status_up" }), makeCheck(200));
 		expect(resolved!.id).toBe(second!.id);
 		expect(resolved!.status).toBe(false);
 		expect(resolved!.resolutionType).toBe("automatic");
@@ -198,16 +203,16 @@ describe("Incident lifecycle (integration)", () => {
 	it("incidents for different monitors do not interfere", async () => {
 		const monitorA = makeMonitor({ id: "mon-a", status: "down" });
 		const monitorB = makeMonitor({ id: "mon-b", status: "down" });
-		const decision = makeDecision({ shouldCreateIncident: true, incidentReason: "status_down" });
+		const decision = makeDecision({ transition: "status_down" });
 
-		const incidentA = await service.handleIncident(monitorA, 500, decision);
-		const incidentB = await service.handleIncident(monitorB, 502, decision);
+		const incidentA = await service.handleIncident(monitorA, decision, makeCheck(500));
+		const incidentB = await service.handleIncident(monitorB, decision, makeCheck(502));
 
 		expect(incidentA!.id).not.toBe(incidentB!.id);
 		expect(repo.getAll()).toHaveLength(2);
 
 		// Resolving monitor A does not affect monitor B
-		const resolved = await service.handleIncident(monitorA, 200, makeDecision({ shouldResolveIncident: true }));
+		const resolved = await service.handleIncident(monitorA, makeDecision({ transition: "status_up" }), makeCheck(200));
 		expect(resolved!.id).toBe(incidentA!.id);
 
 		const bStillActive = await repo.findActiveByMonitorId("mon-b", "team-1");

server/test/integration/monitorRepository.test.ts

@@ -69,6 +69,34 @@ describe("MongoMonitorsRepository", () => {
 		});
 	});
 
+	describe("sorting", () => {
+		it("uses creation time as the fallback for equal primary values", async () => {
+			const repo = new MongoMonitorsRepository();
+			const teamId = new mongoose.Types.ObjectId();
+			const createMonitor = (name: string, type: string, status: string, createdAt: Date) =>
+				MonitorModel.create({
+					userId: new mongoose.Types.ObjectId(),
+					teamId,
+					name,
+					type,
+					status,
+					url: "https://example.com",
+					createdAt,
+				});
+
+			await createMonitor("newer-up", "hardware", "up", new Date("2026-03-01T00:00:00.000Z"));
+			await createMonitor("down", "http", "down", new Date("2026-04-01T00:00:00.000Z"));
+			await createMonitor("older-up", "pagespeed", "up", new Date("2026-01-01T00:00:00.000Z"));
+			await createMonitor("middle-up", "docker", "up", new Date("2026-02-01T00:00:00.000Z"));
+
+			const ascending = await repo.findByTeamIdWithStats(teamId.toString(), { field: "status", order: "asc" });
+			const descending = await repo.findByTeamIdWithStats(teamId.toString(), { field: "status", order: "desc" });
+
+			expect(ascending.map((monitor) => monitor.name)).toEqual(["down", "older-up", "middle-up", "newer-up"]);
+			expect(descending.map((monitor) => monitor.name)).toEqual(["older-up", "middle-up", "newer-up", "down"]);
+		});
+	});
+
 	describe("findByIds recentChecks modes", () => {
 		const seedFixtures = async () => {
 			const teamId = new mongoose.Types.ObjectId();

server/test/unit/middleware/sanitization.test.ts

@@ -0,0 +1,107 @@
+import { describe, expect, it, jest } from "@jest/globals";
+import type { NextFunction, Request, Response } from "express";
+import { sanitizeBody, sanitizeInput, sanitizeObject, sanitizeQuery } from "../../../src/api/middleware/sanitization.ts";
+
+// Express 5 exposes req.query as a getter on the request prototype that re-parses the URL on
+// every read, so writes into the returned object are lost. The middleware must shadow the
+// getter with an own property, which is what this fixture checks.
+const makeExpress5Request = (query: Record<string, unknown>) => {
+	const proto = {};
+	Object.defineProperty(proto, "query", {
+		get: () => ({ ...query }),
+		configurable: true,
+		enumerable: true,
+	});
+	return Object.create(proto) as Request;
+};
+
+describe("sanitizeInput", () => {
+	it("strips html tags and keeps the text content", () => {
+		expect(sanitizeInput('<script>alert("x")</script>hello <b>bold</b>')).toBe("hello bold");
+	});
+
+	it("returns non-string values unchanged", () => {
+		expect(sanitizeInput(42)).toBe(42);
+		expect(sanitizeInput(null)).toBeNull();
+		expect(sanitizeInput(undefined)).toBeUndefined();
+	});
+});
+
+describe("sanitizeObject", () => {
+	it("sanitizes nested strings and arrays, leaving other values untouched", () => {
+		const result = sanitizeObject({
+			name: "<img src=x onerror=alert(1)>Alice",
+			count: 3,
+			active: true,
+			items: [{ note: "<i>one</i>" }, { note: "two" }],
+			nested: { note: "<p>hi</p>" },
+		});
+
+		expect(result).toEqual({
+			name: "Alice",
+			count: 3,
+			active: true,
+			items: [{ note: "one" }, { note: "two" }],
+			nested: { note: "hi" },
+		});
+	});
+
+	it("returns primitives and null unchanged", () => {
+		expect(sanitizeObject("<b>x</b>")).toBe("<b>x</b>");
+		expect(sanitizeObject(null)).toBeNull();
+	});
+});
+
+describe("sanitizeBody middleware", () => {
+	it("replaces req.body with a sanitized copy and calls next", () => {
+		const req = { body: { name: "<b>Alice</b>", nested: { note: "<i>x</i>" } } } as unknown as Request;
+		const next = jest.fn() as unknown as NextFunction;
+
+		sanitizeBody()(req, {} as Response, next);
+
+		expect(req.body).toEqual({ name: "Alice", nested: { note: "x" } });
+		expect(next).toHaveBeenCalledWith();
+	});
+
+	it("leaves req.body alone when there is no body", () => {
+		const req = {} as unknown as Request;
+		const next = jest.fn() as unknown as NextFunction;
+
+		sanitizeBody()(req, {} as Response, next);
+
+		expect(req.body).toBeUndefined();
+		expect(next).toHaveBeenCalledWith();
+	});
+});
+
+describe("sanitizeQuery middleware", () => {
+	it("sanitizes string values so that later reads of req.query see them", () => {
+		const req = makeExpress5Request({ filter: "<script>x</script>term", page: "2" });
+		const next = jest.fn() as unknown as NextFunction;
+
+		sanitizeQuery()(req, {} as Response, next);
+
+		expect(req.query).toEqual({ filter: "term", page: "2" });
+		expect(req.query).toEqual({ filter: "term", page: "2" }); // stable across reads
+		expect(next).toHaveBeenCalledWith();
+	});
+
+	it("does not sanitize inside array values", () => {
+		const req = makeExpress5Request({ type: ["<b>http</b>", "ping"] });
+		const next = jest.fn() as unknown as NextFunction;
+
+		sanitizeQuery()(req, {} as Response, next);
+
+		expect(req.query).toEqual({ type: ["<b>http</b>", "ping"] });
+	});
+
+	it("handles an empty query", () => {
+		const req = makeExpress5Request({});
+		const next = jest.fn() as unknown as NextFunction;
+
+		sanitizeQuery()(req, {} as Response, next);
+
+		expect(req.query).toEqual({});
+		expect(next).toHaveBeenCalledWith();
+	});
+});

server/test/unit/providers/network/advancedMatcher.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it, jest } from "@jest/globals";
-import { AdvancedMatcher } from "../../../../src/service/network/AdvancedMatcher.ts";
+import { AdvancedMatcher } from "../../../../src/service/networkProviders/AdvancedMatcher.ts";
 import type { Monitor } from "../../../../src/domain/monitors/monitor.type.ts";
 
 // ── Helpers ──────────────────────────────────────────────────────────────────

server/test/unit/providers/network/dnsProvider.test.ts

@@ -2,7 +2,7 @@ import { beforeEach, describe, expect, it, jest } from "@jest/globals";
 import { testStatusProviderContract } from "../../../helpers/statusProviderContract.ts";
 import { NETWORK_ERROR } from "../../../../src/types/network.ts";
 import type { Monitor } from "../../../../src/domain/monitors/monitor.type.ts";
-import { DNSProvider } from "../../../../src/service/network/DNSProvider.ts";
+import { DNSProvider } from "../../../../src/service/networkProviders/DNSProvider.ts";
 
 // ── Mocks ────────────────────────────────────────────────────────────────────
 

server/test/unit/providers/network/dockerProvider.test.ts

@@ -1,6 +1,6 @@
 import { describe, expect, it, jest } from "@jest/globals";
 import https from "node:https";
-import { DockerProvider } from "../../../../src/service/network/DockerProvider.ts";
+import { DockerProvider } from "../../../../src/service/networkProviders/DockerProvider.ts";
 import type { IEncryptionService } from "../../../../src/service/encryption/encryptionService.ts";
 import { testStatusProviderContract } from "../../../helpers/statusProviderContract.ts";
 import { createMockLogger } from "../../../helpers/createMockLogger.ts";

server/test/unit/providers/network/gameProvider.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it, jest } from "@jest/globals";
-import { GameProvider } from "../../../../src/service/network/GameProvider.ts";
+import { GameProvider } from "../../../../src/service/networkProviders/GameProvider.ts";
 import { testStatusProviderContract } from "../../../helpers/statusProviderContract.ts";
 import { createMockLogger } from "../../../helpers/createMockLogger.ts";
 import { NETWORK_ERROR } from "../../../../src/types/network.ts";

server/test/unit/providers/network/grpcProvider.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it, jest } from "@jest/globals";
-import { GrpcProvider } from "../../../../src/service/network/GrpcProvider.ts";
+import { GrpcProvider } from "../../../../src/service/networkProviders/GrpcProvider.ts";
 import { testStatusProviderContract } from "../../../helpers/statusProviderContract.ts";
 import type { Monitor } from "../../../../src/domain/monitors/monitor.type.ts";
 

server/test/unit/providers/network/hardwareProvider.test.ts

@@ -1,7 +1,7 @@
 import { describe, expect, it, jest } from "@jest/globals";
-import { HardwareProvider } from "../../../../src/service/network/HardwareProvider.ts";
+import { HardwareProvider } from "../../../../src/service/networkProviders/HardwareProvider.ts";
 import { testStatusProviderContract } from "../../../helpers/statusProviderContract.ts";
-import type { HttpProvider } from "../../../../src/service/network/HttpProvider.ts";
+import type { HttpProvider } from "../../../../src/service/networkProviders/HttpProvider.ts";
 import type { Monitor } from "../../../../src/domain/monitors/monitor.type.ts";
 
 // ── Helpers ──────────────────────────────────────────────────────────────────

server/test/unit/providers/network/httpProvider.test.ts

@@ -39,7 +39,7 @@ jest.unstable_mockModule("got", () => ({
 	},
 }));
 
-const { HttpProvider } = await import("../../../../src/service/network/HttpProvider.ts");
+const { HttpProvider } = await import("../../../../src/service/networkProviders/HttpProvider.ts");
 const gotModule = await import("got");
 const { HTTPError, RequestError } = gotModule;
 

server/test/unit/providers/network/pageSpeedProvider.test.ts

@@ -1,8 +1,8 @@
 import { describe, expect, it, jest } from "@jest/globals";
-import { PageSpeedProvider } from "../../../../src/service/network/PageSpeedProvider.ts";
+import { PageSpeedProvider } from "../../../../src/service/networkProviders/PageSpeedProvider.ts";
 import { testStatusProviderContract } from "../../../helpers/statusProviderContract.ts";
 import { createMockLogger } from "../../../helpers/createMockLogger.ts";
-import type { HttpProvider } from "../../../../src/service/network/HttpProvider.ts";
+import type { HttpProvider } from "../../../../src/service/networkProviders/HttpProvider.ts";
 import type { ISettingsService } from "../../../../src/domain/app-settings/app-settings.service.ts";
 import type { Monitor } from "../../../../src/domain/monitors/monitor.type.ts";
 

server/test/unit/providers/network/pingProvider.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it, jest } from "@jest/globals";
-import { PingProvider } from "../../../../src/service/network/PingProvider.ts";
+import { PingProvider } from "../../../../src/service/networkProviders/PingProvider.ts";
 import { testStatusProviderContract } from "../../../helpers/statusProviderContract.ts";
 import type { Monitor } from "../../../../src/domain/monitors/monitor.type.ts";
 import * as net from "net";

server/test/unit/providers/network/portProvider.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it, jest } from "@jest/globals";
-import { PortProvider } from "../../../../src/service/network/PortProvider.ts";
+import { PortProvider } from "../../../../src/service/networkProviders/PortProvider.ts";
 import { testStatusProviderContract } from "../../../helpers/statusProviderContract.ts";
 import { NETWORK_ERROR } from "../../../../src/types/network.ts";
 import type { Monitor } from "../../../../src/domain/monitors/monitor.type.ts";

server/test/unit/providers/network/utils.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it } from "@jest/globals";
-import { timeRequest, isStatusUp, peerAnsweredFromError } from "../../../../src/service/network/utils.ts";
+import { timeRequest, isStatusUp, peerAnsweredFromError } from "../../../../src/service/networkProviders/utils.ts";
 import { NETWORK_ERROR } from "../../../../src/types/network.ts";
 
 describe("network utils", () => {

server/test/unit/providers/network/webSocketProvider.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it, jest, beforeEach, afterEach } from "@jest/globals";
-import { WebSocketProvider } from "../../../../src/service/network/WebSocketProvider.ts";
+import { WebSocketProvider } from "../../../../src/service/networkProviders/WebSocketProvider.ts";
 import { testStatusProviderContract } from "../../../helpers/statusProviderContract.ts";
 import { NETWORK_ERROR } from "../../../../src/types/network.ts";
 import type { Monitor } from "../../../../src/domain/monitors/monitor.type.ts";

server/test/unit/providers/notifications/teamsProvider.test.ts

@@ -48,7 +48,6 @@ const createMessage = (overrides?: Partial<NotificationMessage>): NotificationMe
 	clientHost: "https://app.example.com",
 	metadata: {
 		teamId: "team-1",
-		notificationReason: "monitor_down",
 	},
 	...overrides,
 });

server/test/unit/services/bufferService.test.ts

@@ -134,41 +134,6 @@ describe("BufferService", () => {
 
 			expect(ingest).toHaveBeenCalledWith([check1, check2]);
 		});
-
-		it("logs error if push throws", () => {
-			const { service, logger } = createService();
-			// Force buffer.push to throw by making buffer non-extensible
-			Object.defineProperty(service, "buffer", { value: Object.freeze([]) });
-
-			service.addToBuffer(makeCheck());
-
-			expect(logger.error).toHaveBeenCalledWith(
-				expect.objectContaining({
-					service: "BufferService",
-					method: "addToBuffer",
-				})
-			);
-		});
-
-		it("logs 'Unknown error' for non-Error thrown values", () => {
-			const { service, logger } = createService();
-			Object.defineProperty(service, "buffer", {
-				value: {
-					push: () => {
-						throw "string error";
-					},
-				},
-			});
-
-			service.addToBuffer(makeCheck());
-
-			expect(logger.error).toHaveBeenCalledWith(
-				expect.objectContaining({
-					message: "Unknown error",
-					stack: undefined,
-				})
-			);
-		});
 	});
 
 	// ── addGeoCheckToBuffer ──────────────────────────────────────────────
@@ -183,40 +148,6 @@ describe("BufferService", () => {
 
 			expect(geoChecksService.createGeoChecks).toHaveBeenCalledWith([geoCheck]);
 		});
-
-		it("logs error if push throws", () => {
-			const { service, logger } = createService();
-			Object.defineProperty(service, "geoBuffer", { value: Object.freeze([]) });
-
-			service.addGeoCheckToBuffer(makeGeoCheck());
-
-			expect(logger.error).toHaveBeenCalledWith(
-				expect.objectContaining({
-					service: "BufferService",
-					method: "addGeoCheckToBuffer",
-				})
-			);
-		});
-
-		it("logs 'Unknown error' for non-Error thrown values", () => {
-			const { service, logger } = createService();
-			Object.defineProperty(service, "geoBuffer", {
-				value: {
-					push: () => {
-						throw 42;
-					},
-				},
-			});
-
-			service.addGeoCheckToBuffer(makeGeoCheck());
-
-			expect(logger.error).toHaveBeenCalledWith(
-				expect.objectContaining({
-					message: "Unknown error",
-					stack: undefined,
-				})
-			);
-		});
 	});
 
 	describe("addDockerLogToBuffer", () => {
@@ -229,15 +160,6 @@ describe("BufferService", () => {
 
 			expect(dockerLogsService.createDockerLogs).toHaveBeenCalledWith([dockerLog]);
 		});
-
-		it("logs an error if push throws", () => {
-			const { service, logger } = createService();
-			Object.defineProperty(service, "dockerLogBuffer", { value: Object.freeze([]) });
-
-			service.addDockerLogToBuffer(makeDockerLog());
-
-			expect(logger.error).toHaveBeenCalledWith(expect.objectContaining({ method: "addDockerLogToBuffer" }));
-		});
 	});
 
 	// ── scheduleNextFlush ────────────────────────────────────────────────

server/test/unit/services/checkService.test.ts

@@ -3,9 +3,7 @@ import { CheckService } from "../../../src/domain/checks/check.service.ts";
 import { createMockLogger } from "../../helpers/createMockLogger.ts";
 import type { IChecksRepository } from "../../../src/domain/checks/check.repository.interface.ts";
 import type { IMonitorsRepository } from "../../../src/domain/monitors/monitor.repository.interface.ts";
-import type { MonitorStatusResponse, HardwareStatusPayload, PageSpeedStatusPayload, DockerStatusPayload } from "../../../src/types/network.ts";
-import { NotificationMessageBuilder } from "../../../src/domain/notifications/notification.message-builder.ts";
-import type { Monitor } from "../../../src/domain/monitors/monitor.type.ts";
+import type { MonitorStatusResponse, HardwareStatusPayload, PageSpeedStatusPayload } from "../../../src/types/network.ts";
 
 // ── Helpers ──────────────────────────────────────────────────────────────────
 
@@ -281,112 +279,6 @@ describe("CheckService", () => {
 		});
 	});
 
-	// ── toStatusResponse round-trip (Phase 2 §5 guard) ─────────────────────────
-	// The DB-queue split persists a Check, then the evaluator rebuilds the status response from it.
-	// toStatusResponse is only correct because every field a downstream consumer reads survives
-	// toCheck → toStatusResponse. These tests pin that: if a future change drops a consumed field
-	// from the round-trip, they fail instead of silently regressing the evaluator/reactors.
-
-	describe("toStatusResponse round-trip", () => {
-		const makeHardwareStatus = (overrides?: Partial<MonitorStatusResponse>): MonitorStatusResponse =>
-			makeStatusResponse({
-				type: "hardware",
-				status: true,
-				code: 200,
-				message: "OK",
-				responseTime: 42,
-				payload: {
-					data: {
-						cpu: { usage_percent: 0.92 },
-						memory: { usage_percent: 0.81 },
-						disk: [{ device: "/dev/sda", usage_percent: 0.75 }],
-						host: { os: "linux" },
-						net: [{ name: "eth0" }],
-					},
-				} as HardwareStatusPayload,
-				...overrides,
-			} as any);
-
-		it("uptime: preserves every consumed scalar field", () => {
-			const { service } = createService();
-			const status = makeStatusResponse({ type: "http", status: false, code: 503, message: "Service Unavailable", responseTime: 87 });
-
-			const rebuilt = service.toStatusResponse(service.toCheck(status)!);
-
-			expect(rebuilt.monitorId).toBe(status.monitorId);
-			expect(rebuilt.teamId).toBe(status.teamId);
-			expect(rebuilt.type).toBe(status.type);
-			expect(rebuilt.status).toBe(status.status);
-			expect(rebuilt.code).toBe(status.code);
-			expect(rebuilt.message).toBe(status.message);
-			expect(rebuilt.responseTime).toBe(status.responseTime);
-		});
-
-		it("hardware: preserves payload.data metrics verbatim, same units (usage_percent stays a 0–1 decimal)", () => {
-			const { service } = createService();
-			const status = makeHardwareStatus();
-
-			const rebuilt = service.toStatusResponse(service.toCheck(status)!);
-
-			const original = status.payload as HardwareStatusPayload;
-			const roundtripped = rebuilt.payload as HardwareStatusPayload;
-			expect(roundtripped.data).toEqual(original.data);
-			expect(roundtripped.data.cpu!.usage_percent).toBe(0.92); // not rescaled to 92
-		});
-
-		it("hardware: a real consumer (extractThresholdBreaches) behaves identically on raw vs round-tripped status", () => {
-			const { service } = createService();
-			const builder = new NotificationMessageBuilder();
-			const monitor = {
-				id: "mon-1",
-				type: "hardware",
-				cpuAlertThreshold: 90, // 0.92 → 92% breaches
-				memoryAlertThreshold: 90, // 0.81 → 81% does not
-				diskAlertThreshold: 90, // 0.75 → 75% does not
-				tempAlertThreshold: 100,
-			} as Monitor;
-			const status = makeHardwareStatus();
-
-			const rebuilt = service.toStatusResponse(service.toCheck(status)!);
-
-			const fromRaw = builder.extractThresholdBreaches(monitor, status as MonitorStatusResponse<HardwareStatusPayload>);
-			const fromRebuilt = builder.extractThresholdBreaches(monitor, rebuilt as MonitorStatusResponse<HardwareStatusPayload>);
-
-			// sanity: the fixture actually triggers a breach, so the equality below is not vacuous
-			expect(fromRaw).toHaveLength(1);
-			expect(fromRaw[0].metric).toBe("cpu");
-			expect(fromRebuilt).toEqual(fromRaw);
-		});
-
-		it("docker: preserves payload.containers and payload.summary verbatim", () => {
-			const { service } = createService();
-			const payload: DockerStatusPayload = {
-				containers: [
-					{ id: "1", name: "db", image: "postgres:16", state: "exited", status: "Exited (1) 2 minutes ago", health: "none", exitCode: 1 },
-					{ id: "2", name: "api", image: "api:latest", state: "running", status: "Up 3 hours (unhealthy)", health: "unhealthy", restartCount: 2 },
-				],
-				summary: { total: 2, running: 1, stopped: 1, unhealthy: 1 },
-			};
-			const status = makeStatusResponse({ type: "docker", status: true, payload } as any);
-
-			const rebuilt = service.toStatusResponse(service.toCheck(status)!);
-
-			const roundtripped = rebuilt.payload as DockerStatusPayload;
-			expect(roundtripped.containers).toEqual(payload.containers);
-			expect(roundtripped.summary).toEqual(payload.summary);
-			expect(roundtripped.containers[0].exitCode).toBe(1);
-		});
-
-		it("docker: leaves payload undefined for a failed check with no containers", () => {
-			const { service } = createService();
-			const status = makeStatusResponse({ type: "docker", status: false, code: 5000, message: "connect ECONNREFUSED", payload: null } as any);
-
-			const rebuilt = service.toStatusResponse(service.toCheck(status)!);
-
-			expect(rebuilt.payload).toBeUndefined();
-		});
-	});
-
 	// ── createChecks ─────────────────────────────────────────────────────────
 
 	describe("createChecks", () => {

server/test/unit/services/egressService.test.ts

@@ -42,7 +42,7 @@ const makeJob = (overrides?: Partial<Job>): Job => ({
 	...overrides,
 });
 
-// requestStatus mock that answers per target url
+// probe mock that answers per target url
 const statusFor = (reachableTargets: string[]) =>
 	jest.fn().mockImplementation(async (monitor: any) => ({
 		monitorId: monitor.id,
@@ -78,7 +78,7 @@ const createService = (overrides?: Record<string, any>) => {
 			upsertCleanupJob: jest.fn().mockResolvedValue(true),
 			deleteGlobalJobIfUnchanged: jest.fn().mockResolvedValue(true),
 		},
-		networkService: { requestStatus: statusFor(["1.1.1.1", "8.8.8.8"]) },
+		providerRegistry: { probe: statusFor(["1.1.1.1", "8.8.8.8"]) },
 		proxyResolver: { resolve: jest.fn().mockResolvedValue(undefined) },
 		logger: createMockLogger(),
 		...overrides,
@@ -87,15 +87,15 @@ const createService = (overrides?: Record<string, any>) => {
 		defaults.settingsService as any,
 		defaults.egressStateRepository as any,
 		defaults.jobsRepository as any,
-		defaults.networkService as any,
+		defaults.providerRegistry as any,
 		defaults.proxyResolver as any,
 		defaults.logger as any
 	);
 	return { service, defaults };
 };
 
-const probedUrls = (defaults: { networkService: { requestStatus: unknown } }) =>
-	(defaults.networkService.requestStatus as jest.Mock).mock.calls.map((call) => (call[0] as any).url);
+const probedUrls = (defaults: { providerRegistry: { probe: unknown } }) =>
+	(defaults.providerRegistry.probe as jest.Mock).mock.calls.map((call) => (call[0] as any).url);
 
 // ── Tests ────────────────────────────────────────────────────────────────────
 
@@ -112,7 +112,7 @@ describe("EgressService", () => {
 
 			await service.probeTargets(["1.1.1.1", "8.8.8.8:53", "https://example.com/health", "[2606:4700::1111]:443", "2606:4700::1111"]);
 
-			const monitors = (defaults.networkService.requestStatus as jest.Mock).mock.calls.map((call) => call[0] as any);
+			const monitors = (defaults.providerRegistry.probe as jest.Mock).mock.calls.map((call) => call[0] as any);
 			expect(monitors).toEqual([
 				expect.objectContaining({ type: "ping", url: "1.1.1.1" }),
 				expect.objectContaining({ type: "port", url: "8.8.8.8", port: 53 }),
@@ -129,13 +129,13 @@ describe("EgressService", () => {
 			await service.probeTargets(["https://example.com/health"]);
 
 			expect(resolve).toHaveBeenCalledWith(expect.objectContaining({ type: "http", proxyMode: "inherit" }));
-			expect(defaults.networkService.requestStatus).toHaveBeenCalledWith(expect.objectContaining({ type: "http" }), {
+			expect(defaults.providerRegistry.probe).toHaveBeenCalledWith(expect.objectContaining({ type: "http" }), {
 				proxyUrl: "http://proxy.internal:3128",
 			});
 		});
 
 		it("reports reachable only when the provider says status is true", async () => {
-			const { service } = createService({ networkService: { requestStatus: statusFor(["1.1.1.1"]) } });
+			const { service } = createService({ providerRegistry: { probe: statusFor(["1.1.1.1"]) } });
 
 			const results = await service.probeTargets(["1.1.1.1", "8.8.8.8"]);
 
@@ -146,7 +146,7 @@ describe("EgressService", () => {
 		});
 
 		it("treats any HTTP response, even 4xx/5xx, as reachable but a transport failure as unreachable", async () => {
-			const requestStatus = jest.fn().mockImplementation(async (monitor: any) => ({
+			const probe = jest.fn().mockImplementation(async (monitor: any) => ({
 				monitorId: monitor.id,
 				teamId: monitor.teamId,
 				type: monitor.type,
@@ -155,7 +155,7 @@ describe("EgressService", () => {
 				message: monitor.url.includes("maintenance") ? "Service Unavailable" : "ECONNREFUSED",
 				responseTime: 3,
 			}));
-			const { service } = createService({ networkService: { requestStatus } });
+			const { service } = createService({ providerRegistry: { probe } });
 
 			const results = await service.probeTargets(["https://example.com/maintenance", "https://example.com/refused", "8.8.8.8:53"]);
 
@@ -172,11 +172,11 @@ describe("EgressService", () => {
 			const results = await service.probeTargets(["[1.1.1.1"]);
 
 			expect(results).toEqual([expect.objectContaining({ target: "[1.1.1.1", reachable: false, message: "Invalid egress target" })]);
-			expect(defaults.networkService.requestStatus).not.toHaveBeenCalled();
+			expect(defaults.providerRegistry.probe).not.toHaveBeenCalled();
 		});
 
 		it("counts a thrown provider error as unreachable", async () => {
-			const { service } = createService({ networkService: { requestStatus: jest.fn().mockRejectedValue(new Error("ENETUNREACH")) } });
+			const { service } = createService({ providerRegistry: { probe: jest.fn().mockRejectedValue(new Error("ENETUNREACH")) } });
 
 			const results = await service.probeTargets(["1.1.1.1"]);
 
@@ -185,7 +185,7 @@ describe("EgressService", () => {
 
 		it("counts a hung provider as unreachable once the probe timeout elapses", async () => {
 			jest.useFakeTimers();
-			const { service } = createService({ networkService: { requestStatus: jest.fn().mockReturnValue(new Promise(() => {})) } });
+			const { service } = createService({ providerRegistry: { probe: jest.fn().mockReturnValue(new Promise(() => {})) } });
 
 			const pending = service.probeTargets(["1.1.1.1"]);
 			await jest.advanceTimersByTimeAsync(5000);
@@ -206,13 +206,13 @@ describe("EgressService", () => {
 			const result = await service.assessAfterFailure();
 
 			expect(result).toBeNull();
-			expect(defaults.networkService.requestStatus).not.toHaveBeenCalled();
+			expect(defaults.providerRegistry.probe).not.toHaveBeenCalled();
 			expect(defaults.egressStateRepository.findSingleton).not.toHaveBeenCalled();
 			expect(defaults.egressStateRepository.recordProbe).not.toHaveBeenCalled();
 		});
 
 		it("returns ok and records the probe when any target is reachable", async () => {
-			const { service, defaults } = createService({ networkService: { requestStatus: statusFor(["8.8.8.8"]) } });
+			const { service, defaults } = createService({ providerRegistry: { probe: statusFor(["8.8.8.8"]) } });
 
 			const result = await service.assessAfterFailure();
 
@@ -227,7 +227,7 @@ describe("EgressService", () => {
 		});
 
 		it("marks degraded, warns, schedules the recovery job and returns degraded when every target is unreachable", async () => {
-			const { service, defaults } = createService({ networkService: { requestStatus: statusFor([]) } });
+			const { service, defaults } = createService({ providerRegistry: { probe: statusFor([]) } });
 
 			const result = await service.assessAfterFailure();
 
@@ -255,7 +255,7 @@ describe("EgressService", () => {
 
 		it("still returns degraded and leaves the job scheduled when another worker performed the transition first", async () => {
 			const { service, defaults } = createService({
-				networkService: { requestStatus: statusFor([]) },
+				providerRegistry: { probe: statusFor([]) },
 				egressStateRepository: degradedRepository({
 					findSingleton: jest.fn().mockResolvedValue(makeState()),
 					markDegraded: jest.fn().mockResolvedValue(null),
@@ -271,7 +271,7 @@ describe("EgressService", () => {
 
 		it("does not mark degraded when the recovery job cannot be scheduled", async () => {
 			const { service, defaults } = createService({
-				networkService: { requestStatus: statusFor([]) },
+				providerRegistry: { probe: statusFor([]) },
 				jobsRepository: {
 					upsertJob: jest.fn(),
 					upsertCleanupJob: jest.fn().mockRejectedValue(new Error("db down")),
@@ -289,7 +289,7 @@ describe("EgressService", () => {
 			const result = await service.assessAfterFailure();
 
 			expect(result).toBe("degraded");
-			expect(defaults.networkService.requestStatus).not.toHaveBeenCalled();
+			expect(defaults.providerRegistry.probe).not.toHaveBeenCalled();
 			expect(defaults.egressStateRepository.markDegraded).not.toHaveBeenCalled();
 			expect(defaults.egressStateRepository.recordProbe).not.toHaveBeenCalled();
 			expect(defaults.jobsRepository.upsertJob).toHaveBeenCalledWith(expect.objectContaining({ id: "egress", intervalMs: 5_000 }));
@@ -322,19 +322,19 @@ describe("EgressService", () => {
 
 	describe("shared assessment", () => {
 		it("shares one probe between concurrent failures", async () => {
-			const { service, defaults } = createService({ networkService: { requestStatus: statusFor(["8.8.8.8"]) } });
+			const { service, defaults } = createService({ providerRegistry: { probe: statusFor(["8.8.8.8"]) } });
 
 			const results = await Promise.all([service.assessAfterFailure(), service.assessAfterFailure(), service.assessAfterFailure()]);
 
 			expect(results).toEqual(["ok", "ok", "ok"]);
 			expect(defaults.settingsService.getCachedDBSettings).toHaveBeenCalledTimes(1);
-			expect(defaults.networkService.requestStatus).toHaveBeenCalledTimes(2); // one call per target, once
+			expect(defaults.providerRegistry.probe).toHaveBeenCalledTimes(2); // one call per target, once
 			expect(defaults.egressStateRepository.recordProbe).toHaveBeenCalledTimes(1);
 		});
 
 		it("keeps sharing an in-flight assessment that outlives the reuse window", async () => {
 			jest.useFakeTimers();
-			const { service, defaults } = createService({ networkService: { requestStatus: jest.fn().mockReturnValue(new Promise(() => {})) } });
+			const { service, defaults } = createService({ providerRegistry: { probe: jest.fn().mockReturnValue(new Promise(() => {})) } });
 
 			const first = service.assessAfterFailure();
 			await jest.advanceTimersByTimeAsync(4_900); // probes still hanging, past the 5 s reuse window from the first call
@@ -342,12 +342,12 @@ describe("EgressService", () => {
 			await jest.advanceTimersByTimeAsync(200); // probe timeout fires, both settle
 
 			expect(await Promise.all([first, second])).toEqual(["degraded", "degraded"]);
-			expect(defaults.networkService.requestStatus).toHaveBeenCalledTimes(2); // one round of two targets, not two rounds
+			expect(defaults.providerRegistry.probe).toHaveBeenCalledTimes(2); // one round of two targets, not two rounds
 		});
 
 		it("reuses a settled assessment within the reuse window and probes again after it", async () => {
 			jest.useFakeTimers();
-			const { service, defaults } = createService({ networkService: { requestStatus: statusFor(["8.8.8.8"]) } });
+			const { service, defaults } = createService({ providerRegistry: { probe: statusFor(["8.8.8.8"]) } });
 
 			await service.assessAfterFailure();
 			await jest.advanceTimersByTimeAsync(1_000);
@@ -385,7 +385,7 @@ describe("EgressService", () => {
 		it("marks recovered, releases the job and logs when a target becomes reachable", async () => {
 			const { service, defaults } = createService({
 				egressStateRepository: degradedRepository(),
-				networkService: { requestStatus: statusFor(["1.1.1.1"]) },
+				providerRegistry: { probe: statusFor(["1.1.1.1"]) },
 			});
 			const job = makeJob({ nextScheduledAt: 123_456 });
 
@@ -403,7 +403,7 @@ describe("EgressService", () => {
 		it("releases the job but does not log a recovery when another process already recorded it", async () => {
 			const { service, defaults } = createService({
 				egressStateRepository: degradedRepository({ markRecovered: jest.fn().mockResolvedValue(null) }),
-				networkService: { requestStatus: statusFor(["1.1.1.1"]) },
+				providerRegistry: { probe: statusFor(["1.1.1.1"]) },
 			});
 
 			await service.checkRecovery(makeJob());
@@ -417,7 +417,7 @@ describe("EgressService", () => {
 		it("records the probe and keeps the job while every target stays unreachable", async () => {
 			const { service, defaults } = createService({
 				egressStateRepository: degradedRepository(),
-				networkService: { requestStatus: statusFor([]) },
+				providerRegistry: { probe: statusFor([]) },
 			});
 
 			await service.checkRecovery(makeJob());
@@ -432,7 +432,7 @@ describe("EgressService", () => {
 
 			await service.checkRecovery(makeJob());
 
-			expect(defaults.networkService.requestStatus).not.toHaveBeenCalled();
+			expect(defaults.providerRegistry.probe).not.toHaveBeenCalled();
 			expect(defaults.egressStateRepository.markRecovered).not.toHaveBeenCalled();
 			expect(defaults.jobsRepository.deleteGlobalJobIfUnchanged).toHaveBeenCalledWith("egress", 1_000);
 		});
@@ -445,7 +445,7 @@ describe("EgressService", () => {
 
 			await service.checkRecovery(makeJob());
 
-			expect(defaults.networkService.requestStatus).not.toHaveBeenCalled();
+			expect(defaults.providerRegistry.probe).not.toHaveBeenCalled();
 			expect(defaults.jobsRepository.deleteGlobalJobIfUnchanged).toHaveBeenCalledWith("egress", 1_000);
 		});
 

server/test/unit/services/incidentService.test.ts

@@ -8,6 +8,7 @@ import type { INotificationMessageBuilder } from "../../../src/domain/notificati
 import type { Monitor } from "../../../src/domain/monitors/monitor.type.ts";
 import type { Incident } from "../../../src/domain/incidents/incident.type.ts";
 import type { MonitorActionDecision } from "../../../src/worker/worker.interface.ts";
+import type { Check } from "../../../src/domain/checks/check.type.ts";
 
 // ── Helpers ──────────────────────────────────────────────────────────────────
 
@@ -35,7 +36,7 @@ const createUsersRepo = () =>
 
 const createMessageBuilder = () =>
 	({
-		extractThresholdBreaches: jest.fn(),
+		buildThresholdBreachMessage: jest.fn(),
 	}) as unknown as jest.Mocked<INotificationMessageBuilder>;
 
 const createService = (overrides?: {
@@ -79,12 +80,21 @@ const makeIncident = (overrides?: Partial<Incident>): Incident =>
 		...overrides,
 	}) as Incident;
 
+const makeCheck = (overrides?: Partial<Check>): Check =>
+	({
+		id: "check-1",
+		metadata: { monitorId: "mon-1", teamId: "team-1", type: "http" },
+		status: true,
+		statusCode: 200,
+		responseTime: 100,
+		message: "OK",
+		createdAt: "2026-01-01T00:00:00.000Z",
+		updatedAt: "2026-01-01T00:00:00.000Z",
+		...overrides,
+	}) as Check;
+
 const makeDecision = (overrides?: Partial<MonitorActionDecision>): MonitorActionDecision => ({
-	shouldCreateIncident: false,
-	shouldResolveIncident: false,
-	shouldSendNotification: false,
-	incidentReason: null,
-	notificationReason: null,
+	transition: null,
 	...overrides,
 });
 
@@ -96,28 +106,28 @@ describe("IncidentService", () => {
 	describe("handleIncident", () => {
 		it("returns null when neither create nor resolve is requested", async () => {
 			const { service } = createService();
-			const result = await service.handleIncident(makeMonitor(), 200, makeDecision());
+			const result = await service.handleIncident(makeMonitor(), makeDecision(), makeCheck());
 			expect(result).toBeNull();
 		});
 
-		it("returns existing active incident when shouldCreateIncident and one already exists", async () => {
+		it("returns the existing active incident on a down transition when one is already open", async () => {
 			const existing = makeIncident();
 			const { service, incidentsRepository } = createService();
 			(incidentsRepository.findActiveByMonitorId as jest.Mock).mockResolvedValue(existing);
 
-			const result = await service.handleIncident(makeMonitor(), 500, makeDecision({ shouldCreateIncident: true, incidentReason: "status_down" }));
+			const result = await service.handleIncident(makeMonitor(), makeDecision({ transition: "status_down" }), makeCheck({ statusCode: 500 }));
 
 			expect(result).toBe(existing);
 			expect(incidentsRepository.create).not.toHaveBeenCalled();
 		});
 
-		it("creates a new incident when shouldCreateIncident and no active incident exists", async () => {
+		it("creates a new incident on a down transition when none is open", async () => {
 			const created = makeIncident();
-			const { service, incidentsRepository } = createService();
+			const { service, incidentsRepository, notificationMessageBuilder } = createService();
 			(incidentsRepository.findActiveByMonitorId as jest.Mock).mockResolvedValue(null);
 			(incidentsRepository.create as jest.Mock).mockResolvedValue(created);
 
-			const result = await service.handleIncident(makeMonitor(), 500, makeDecision({ shouldCreateIncident: true, incidentReason: "status_down" }));
+			const result = await service.handleIncident(makeMonitor(), makeDecision({ transition: "status_down" }), makeCheck({ statusCode: 500 }));
 
 			expect(result).toBe(created);
 			expect(incidentsRepository.create).toHaveBeenCalledWith(
@@ -128,6 +138,7 @@ describe("IncidentService", () => {
 					statusCode: 500,
 				})
 			);
+			expect(notificationMessageBuilder.buildThresholdBreachMessage).not.toHaveBeenCalled();
 		});
 
 		it("uses status code 9999 and builds message for threshold_breach incidents", async () => {
@@ -135,13 +146,15 @@ describe("IncidentService", () => {
 			const { service, incidentsRepository, notificationMessageBuilder } = createService();
 			(incidentsRepository.findActiveByMonitorId as jest.Mock).mockResolvedValue(null);
 			(incidentsRepository.create as jest.Mock).mockResolvedValue(created);
-			(notificationMessageBuilder.extractThresholdBreaches as jest.Mock).mockReturnValue([
-				{ metric: "cpu", formattedValue: "95%", threshold: 80, unit: "%" },
-			]);
+			(notificationMessageBuilder.buildThresholdBreachMessage as jest.Mock).mockReturnValue("CPU: 95% (threshold: 80%)");
 
-			const decision = makeDecision({ shouldCreateIncident: true, incidentReason: "threshold_breach" });
-			await service.handleIncident(makeMonitor(), 200, decision, { monitorId: "mon-1" } as any);
+			const monitor = makeMonitor({ type: "hardware" });
+			const check = makeCheck({ metadata: { monitorId: "mon-1", teamId: "team-1", type: "hardware" }, cpu: { usage_percent: 0.95 } });
+			const thresholdBreaches = { cpu: true, memory: false, disk: false, temp: false };
+			const decision = makeDecision({ transition: "threshold_breach", thresholdBreaches });
+			await service.handleIncident(monitor, decision, check);
 
+			expect(notificationMessageBuilder.buildThresholdBreachMessage).toHaveBeenCalledWith(monitor, check, thresholdBreaches);
 			expect(incidentsRepository.create).toHaveBeenCalledWith(
 				expect.objectContaining({
 					statusCode: 9999,
@@ -150,97 +163,14 @@ describe("IncidentService", () => {
 			);
 		});
 
-		it("uses fallback message when monitorStatusResponse is undefined for threshold_breach", async () => {
-			const created = makeIncident();
-			const { service, incidentsRepository } = createService();
-			(incidentsRepository.findActiveByMonitorId as jest.Mock).mockResolvedValue(null);
-			(incidentsRepository.create as jest.Mock).mockResolvedValue(created);
-
-			const decision = makeDecision({ shouldCreateIncident: true, incidentReason: "threshold_breach" });
-			await service.handleIncident(makeMonitor(), 200, decision, undefined);
-
-			expect(incidentsRepository.create).toHaveBeenCalledWith(expect.objectContaining({ message: "Threshold breach detected" }));
-		});
-
-		it("uses fallback message when extractThresholdBreaches returns empty array", async () => {
-			const created = makeIncident();
-			const { service, incidentsRepository, notificationMessageBuilder } = createService();
-			(incidentsRepository.findActiveByMonitorId as jest.Mock).mockResolvedValue(null);
-			(incidentsRepository.create as jest.Mock).mockResolvedValue(created);
-			(notificationMessageBuilder.extractThresholdBreaches as jest.Mock).mockReturnValue([]);
-
-			const decision = makeDecision({ shouldCreateIncident: true, incidentReason: "threshold_breach" });
-			await service.handleIncident(makeMonitor(), 200, decision, { monitorId: "mon-1" } as any);
-
-			expect(incidentsRepository.create).toHaveBeenCalledWith(expect.objectContaining({ message: "Threshold breach detected" }));
-		});
-
-		it("builds the container list for docker threshold_breach incidents", async () => {
-			const created = makeIncident();
-			const { service, incidentsRepository, notificationMessageBuilder } = createService();
-			(incidentsRepository.findActiveByMonitorId as jest.Mock).mockResolvedValue(null);
-			(incidentsRepository.create as jest.Mock).mockResolvedValue(created);
-
-			const monitor = makeMonitor({ type: "docker", status: "breached", dockerAlertOnStopped: true, dockerAlertOnUnhealthy: true });
-			const response = {
-				monitorId: "mon-1",
-				payload: {
-					containers: [
-						{ id: "1", name: "db", image: "postgres", state: "exited", status: "Exited (1)", health: "none", exitCode: 1 },
-						{ id: "2", name: "api", image: "api", state: "running", status: "Up", health: "unhealthy" },
-						{ id: "3", name: "web", image: "nginx", state: "running", status: "Up", health: "healthy" },
-					],
-					summary: { total: 3, running: 2, stopped: 1, unhealthy: 1 },
-				},
-			} as any;
-			const decision = makeDecision({ shouldCreateIncident: true, incidentReason: "threshold_breach" });
-			await service.handleIncident(monitor, 200, decision, response);
-
-			expect(incidentsRepository.create).toHaveBeenCalledWith(
-				expect.objectContaining({ statusCode: 9999, message: "db: stopped (exit code 1), api: unhealthy" })
-			);
-			expect(notificationMessageBuilder.extractThresholdBreaches).not.toHaveBeenCalled();
-		});
-
-		it("uses the container fallback message for docker incidents with no response", async () => {
-			const created = makeIncident();
-			const { service, incidentsRepository } = createService();
-			(incidentsRepository.findActiveByMonitorId as jest.Mock).mockResolvedValue(null);
-			(incidentsRepository.create as jest.Mock).mockResolvedValue(created);
-
-			const monitor = makeMonitor({ type: "docker", status: "breached", dockerAlertOnStopped: true });
-			const decision = makeDecision({ shouldCreateIncident: true, incidentReason: "threshold_breach" });
-			await service.handleIncident(monitor, 200, decision, undefined);
-
-			expect(incidentsRepository.create).toHaveBeenCalledWith(expect.objectContaining({ statusCode: 9999, message: "Container alert" }));
-		});
-
-		it("joins multiple threshold breaches with commas", async () => {
-			const created = makeIncident();
-			const { service, incidentsRepository, notificationMessageBuilder } = createService();
-			(incidentsRepository.findActiveByMonitorId as jest.Mock).mockResolvedValue(null);
-			(incidentsRepository.create as jest.Mock).mockResolvedValue(created);
-			(notificationMessageBuilder.extractThresholdBreaches as jest.Mock).mockReturnValue([
-				{ metric: "cpu", formattedValue: "95%", threshold: 80, unit: "%" },
-				{ metric: "memory", formattedValue: "90%", threshold: 80, unit: "%" },
-			]);
-
-			const decision = makeDecision({ shouldCreateIncident: true, incidentReason: "threshold_breach" });
-			await service.handleIncident(makeMonitor(), 200, decision, { monitorId: "mon-1" } as any);
-
-			expect(incidentsRepository.create).toHaveBeenCalledWith(
-				expect.objectContaining({ message: "CPU: 95% (threshold: 80%), MEMORY: 90% (threshold: 80%)" })
-			);
-		});
-
-		it("resolves active incident when shouldResolveIncident", async () => {
+		it("resolves the active incident on an up transition", async () => {
 			const active = makeIncident();
 			const resolved = makeIncident({ status: false, endTime: "123", resolutionType: "automatic" });
 			const { service, incidentsRepository } = createService();
 			(incidentsRepository.findActiveByMonitorId as jest.Mock).mockResolvedValue(active);
 			(incidentsRepository.updateById as jest.Mock).mockResolvedValue(resolved);
 
-			const result = await service.handleIncident(makeMonitor(), 200, makeDecision({ shouldResolveIncident: true }));
+			const result = await service.handleIncident(makeMonitor(), makeDecision({ transition: "status_up" }), makeCheck());
 
 			expect(result).toBe(resolved);
 			expect(incidentsRepository.updateById).toHaveBeenCalledWith(
@@ -250,11 +180,28 @@ describe("IncidentService", () => {
 			);
 		});
 
-		it("returns null when shouldResolveIncident but no active incident exists", async () => {
+		it("resolves the active incident on a threshold_resolved transition", async () => {
+			const active = makeIncident();
+			const resolved = makeIncident({ status: false, endTime: "123", resolutionType: "automatic" });
+			const { service, incidentsRepository } = createService();
+			(incidentsRepository.findActiveByMonitorId as jest.Mock).mockResolvedValue(active);
+			(incidentsRepository.updateById as jest.Mock).mockResolvedValue(resolved);
+
+			const result = await service.handleIncident(makeMonitor(), makeDecision({ transition: "threshold_resolved" }), makeCheck());
+
+			expect(result).toBe(resolved);
+			expect(incidentsRepository.updateById).toHaveBeenCalledWith(
+				"inc-1",
+				"team-1",
+				expect.objectContaining({ status: false, resolutionType: "automatic" })
+			);
+		});
+
+		it("returns null on an up transition when no incident is open", async () => {
 			const { service, incidentsRepository } = createService();
 			(incidentsRepository.findActiveByMonitorId as jest.Mock).mockResolvedValue(null);
 
-			const result = await service.handleIncident(makeMonitor(), 200, makeDecision({ shouldResolveIncident: true }));
+			const result = await service.handleIncident(makeMonitor(), makeDecision({ transition: "status_up" }), makeCheck());
 
 			expect(result).toBeNull();
 		});

server/test/unit/services/networkService.test.ts

@@ -1,482 +0,0 @@
-import { describe, expect, it, jest } from "@jest/globals";
-import { NetworkService } from "../../../src/service/networkService.ts";
-import { createMockLogger } from "../../helpers/createMockLogger.ts";
-import { NETWORK_ERROR } from "../../../src/types/network.ts";
-import type { IStatusProvider } from "../../../src/service/network/IStatusProvider.ts";
-import type { Monitor, MonitorType } from "../../../src/domain/monitors/monitor.type.ts";
-import type { AxiosStatic } from "axios";
-
-// ── Helpers ──────────────────────────────────────────────────────────────────
-
-const createMockAxios = () =>
-	({
-		post: jest.fn(),
-	}) as unknown as jest.Mocked<AxiosStatic>;
-
-const createMockProvider = (type: string, result?: unknown) => {
-	const provider: jest.Mocked<IStatusProvider<unknown>> = {
-		type,
-		supports: jest.fn((t: MonitorType) => t === type) as any,
-		handle: jest.fn().mockResolvedValue(
-			result ?? {
-				monitorId: "mon-1",
-				teamId: "team-1",
-				type,
-				status: true,
-				code: 200,
-				message: "OK",
-			}
-		),
-	};
-	return provider;
-};
-
-const createService = (providers: IStatusProvider<unknown>[] = []) => {
-	const logger = createMockLogger();
-	const axios = createMockAxios();
-	const service = new NetworkService(axios, logger as any, providers);
-	return { service, logger, axios };
-};
-
-// ── Tests ────────────────────────────────────────────────────────────────────
-
-describe("NetworkService", () => {
-	// ── Static / instance properties ─────────────────────────────────────────
-
-	// ── requestStatus ────────────────────────────────────────────────────────
-
-	describe("requestStatus", () => {
-		it("delegates to the matching provider", async () => {
-			const provider = createMockProvider("http");
-			const { service } = createService([provider]);
-			const monitor = { type: "http", _id: "mon-1" } as unknown as Monitor & { type: "http" };
-
-			const result = await service.requestStatus(monitor);
-
-			expect(provider.supports).toHaveBeenCalledWith("http");
-			expect(provider.handle).toHaveBeenCalledWith(monitor, undefined);
-			expect(result).toEqual(
-				expect.objectContaining({
-					monitorId: "mon-1",
-					status: true,
-					code: 200,
-				})
-			);
-		});
-
-		it("selects the correct provider when multiple are registered", async () => {
-			const httpProvider = createMockProvider("http");
-			const pingProvider = createMockProvider("ping");
-			const { service } = createService([httpProvider, pingProvider]);
-			const monitor = { type: "ping", _id: "mon-2" } as unknown as Monitor & { type: "ping" };
-
-			await service.requestStatus(monitor);
-
-			expect(httpProvider.handle).not.toHaveBeenCalled();
-			expect(pingProvider.handle).toHaveBeenCalledWith(monitor, undefined);
-		});
-
-		it("forwards the check context to the provider", async () => {
-			const provider = createMockProvider("http");
-			const { service } = createService([provider]);
-			const monitor = { type: "http", _id: "mon-1" } as unknown as Monitor & { type: "http" };
-			const ctx = { proxyUrl: "http://proxy.example.com:8080" };
-
-			await service.requestStatus(monitor, ctx);
-
-			expect(provider.handle).toHaveBeenCalledWith(monitor, ctx);
-		});
-
-		it("returns unsupported-type response when no provider matches", async () => {
-			const { service } = createService([]);
-			const monitor = { type: "unknown_type" as any, _id: "mon-1" } as unknown as Monitor & { type: any };
-
-			const result = await service.requestStatus(monitor);
-
-			expect(result).toEqual({
-				monitorId: "unknown",
-				teamId: "unknown",
-				type: "unknown",
-				status: false,
-				code: NETWORK_ERROR,
-				message: "Unsupported type: unknown_type",
-			});
-		});
-	});
-
-	// ── requestWebhook ───────────────────────────────────────────────────────
-
-	describe("requestWebhook", () => {
-		it("sends a POST and returns success response", async () => {
-			const { service, axios } = createService();
-			(axios.post as jest.Mock).mockResolvedValue({ status: 200, data: { ok: true } });
-
-			const result = await service.requestWebhook("slack", "https://hooks.example.com", { text: "hello" });
-
-			expect(axios.post).toHaveBeenCalledWith("https://hooks.example.com", { text: "hello" }, { headers: { "Content-Type": "application/json" } });
-			expect(result).toEqual({
-				type: "webhook",
-				status: true,
-				code: 200,
-				message: "Successfully sent slack notification",
-				payload: { ok: true },
-			});
-		});
-
-		it("returns failure with response data on axios error with response", async () => {
-			const { service, axios, logger } = createService();
-			const axiosError = Object.assign(new Error("Request failed"), {
-				response: { status: 403, data: { error: "forbidden" } },
-			});
-			(axios.post as jest.Mock).mockRejectedValue(axiosError);
-
-			const result = await service.requestWebhook("discord", "https://hooks.example.com", {});
-
-			expect(result).toEqual({
-				type: "webhook",
-				status: false,
-				code: 403,
-				message: "Failed to send discord notification",
-				payload: { error: "forbidden" },
-			});
-			expect(logger.warn).toHaveBeenCalledWith(
-				expect.objectContaining({
-					message: "Request failed",
-					service: "NetworkService",
-					method: "requestWebhook",
-				})
-			);
-		});
-
-		it("returns failure with NETWORK_ERROR when axios error has no response status", async () => {
-			const { service, axios } = createService();
-			const axiosError = Object.assign(new Error("timeout"), {
-				response: { status: undefined, data: undefined },
-			});
-			(axios.post as jest.Mock).mockRejectedValue(axiosError);
-
-			const result = await service.requestWebhook("slack", "https://hooks.example.com", {});
-
-			expect(result.code).toBe(NETWORK_ERROR);
-		});
-
-		it("returns failure with NETWORK_ERROR on non-axios error (no response property)", async () => {
-			const { service, axios } = createService();
-			(axios.post as jest.Mock).mockRejectedValue(new Error("DNS failure"));
-
-			const result = await service.requestWebhook("slack", "https://hooks.example.com", {});
-
-			expect(result).toEqual({
-				type: "webhook",
-				status: false,
-				code: NETWORK_ERROR,
-				message: "Failed to send slack notification",
-			});
-		});
-
-		it("handles non-Error thrown values", async () => {
-			const { service, axios, logger } = createService();
-			(axios.post as jest.Mock).mockRejectedValue("string error");
-
-			const result = await service.requestWebhook("slack", "https://hooks.example.com", {});
-
-			expect(logger.warn).toHaveBeenCalledWith(expect.objectContaining({ message: "string error" }));
-			expect(result).toEqual({
-				type: "webhook",
-				status: false,
-				code: NETWORK_ERROR,
-				message: "Failed to send slack notification",
-			});
-		});
-
-		it("returns NETWORK_ERROR when error has response key but response is undefined", async () => {
-			const { service, axios } = createService();
-			const axiosError = Object.assign(new Error("fail"), { response: undefined });
-			(axios.post as jest.Mock).mockRejectedValue(axiosError);
-
-			const result = await service.requestWebhook("slack", "https://hooks.example.com", {});
-
-			expect(result.code).toBe(NETWORK_ERROR);
-			expect(result.payload).toBeUndefined();
-		});
-	});
-
-	// ── requestPagerDuty ─────────────────────────────────────────────────────
-
-	describe("requestPagerDuty", () => {
-		const args = {
-			message: "Server down",
-			routingKey: "routing-key-123",
-			monitorUrl: "https://monitor.example.com",
-		};
-
-		it("sends correct payload and returns true on success", async () => {
-			const { service, axios } = createService();
-			(axios.post as jest.Mock).mockResolvedValue({ data: { status: "success" } });
-
-			const result = await service.requestPagerDuty(args);
-
-			expect(result).toBe(true);
-			expect(axios.post).toHaveBeenCalledWith(
-				"https://events.pagerduty.com/v2/enqueue",
-				expect.objectContaining({
-					routing_key: "routing-key-123",
-					event_action: "trigger",
-					payload: expect.objectContaining({
-						summary: "Server down",
-						severity: "critical",
-						source: "https://monitor.example.com",
-					}),
-				})
-			);
-		});
-
-		it("returns false when response status is not success", async () => {
-			const { service, axios } = createService();
-			(axios.post as jest.Mock).mockResolvedValue({ data: { status: "invalid event" } });
-
-			const result = await service.requestPagerDuty(args);
-
-			expect(result).toBe(false);
-		});
-
-		it("returns false when response data is undefined", async () => {
-			const { service, axios } = createService();
-			(axios.post as jest.Mock).mockResolvedValue({ data: undefined });
-
-			const result = await service.requestPagerDuty(args);
-
-			expect(result).toBe(false);
-		});
-
-		it("throws AppError on axios failure with response data", async () => {
-			const { service, axios } = createService();
-			const axiosError = Object.assign(new Error("Request failed"), {
-				response: { data: { message: "invalid routing key" } },
-			});
-			(axios.post as jest.Mock).mockRejectedValue(axiosError);
-
-			await expect(service.requestPagerDuty(args)).rejects.toThrow("Request failed");
-		});
-
-		it("throws AppError on network error without response", async () => {
-			const { service, axios } = createService();
-			(axios.post as jest.Mock).mockRejectedValue(new Error("ECONNREFUSED"));
-
-			await expect(service.requestPagerDuty(args)).rejects.toThrow("ECONNREFUSED");
-		});
-
-		it("throws AppError with default message for non-Error thrown value", async () => {
-			const { service, axios } = createService();
-			(axios.post as jest.Mock).mockRejectedValue(null);
-
-			await expect(service.requestPagerDuty(args)).rejects.toThrow("null");
-		});
-
-		it("uses fallback message when Error has empty string message", async () => {
-			const { service, axios } = createService();
-			(axios.post as jest.Mock).mockRejectedValue(new Error(""));
-
-			try {
-				await service.requestPagerDuty(args);
-				expect.unreachable("should have thrown");
-			} catch (err: any) {
-				expect(err.message).toBe("Error sending PagerDuty notification");
-			}
-		});
-
-		it("includes responseData when non-Error object has response property", async () => {
-			const { service, axios } = createService();
-			const errorObj = { response: { data: { detail: "bad key" } } };
-			(axios.post as jest.Mock).mockRejectedValue(errorObj);
-
-			try {
-				await service.requestPagerDuty(args);
-				expect.unreachable("should have thrown");
-			} catch (err: any) {
-				expect(err.details).toEqual({ responseData: { detail: "bad key" } });
-			}
-		});
-
-		it("sets responseData to undefined when error is a primitive (non-object)", async () => {
-			const { service, axios } = createService();
-			(axios.post as jest.Mock).mockRejectedValue(42);
-
-			try {
-				await service.requestPagerDuty(args);
-				expect.unreachable("should have thrown");
-			} catch (err: any) {
-				expect(err.details).toEqual({ responseData: undefined });
-			}
-		});
-
-		it("sets responseData to undefined when object has response key set to undefined", async () => {
-			const { service, axios } = createService();
-			(axios.post as jest.Mock).mockRejectedValue({ response: undefined });
-
-			try {
-				await service.requestPagerDuty(args);
-				expect.unreachable("should have thrown");
-			} catch (err: any) {
-				expect(err.details).toEqual({ responseData: undefined });
-			}
-		});
-
-		it("includes responseData in AppError details when available", async () => {
-			const { service, axios } = createService();
-			const axiosError = Object.assign(new Error("Bad request"), {
-				response: { data: { errors: ["invalid key"] } },
-			});
-			(axios.post as jest.Mock).mockRejectedValue(axiosError);
-
-			try {
-				await service.requestPagerDuty(args);
-				expect.unreachable("should have thrown");
-			} catch (err: any) {
-				expect(err.details).toEqual({
-					responseData: { errors: ["invalid key"] },
-				});
-			}
-		});
-
-		it("sets responseData to undefined in AppError when error has no response", async () => {
-			const { service, axios } = createService();
-			(axios.post as jest.Mock).mockRejectedValue(new Error("timeout"));
-
-			try {
-				await service.requestPagerDuty(args);
-				expect.unreachable("should have thrown");
-			} catch (err: any) {
-				expect(err.details).toEqual({ responseData: undefined });
-			}
-		});
-	});
-
-	// ── requestMatrix ────────────────────────────────────────────────────────
-
-	describe("requestMatrix", () => {
-		const args = {
-			homeserverUrl: "https://matrix.example.com",
-			accessToken: "token-abc",
-			roomId: "!room:example.com",
-			message: "<b>Alert</b>",
-		};
-
-		it("sends correct payload and returns success response", async () => {
-			const { service, axios } = createService();
-			(axios.post as jest.Mock).mockResolvedValue({ status: 200, data: { event_id: "$abc" } });
-
-			const result = await service.requestMatrix(args);
-
-			expect(result).toEqual({
-				status: true,
-				code: 200,
-				message: "Successfully sent Matrix notification",
-			});
-			expect(axios.post).toHaveBeenCalledWith(
-				"https://matrix.example.com/_matrix/client/v3/rooms/!room:example.com/send/m.room.message?access_token=token-abc",
-				{
-					msgtype: "m.text",
-					body: "<b>Alert</b>",
-					format: "org.matrix.custom.html",
-					formatted_body: "<b>Alert</b>",
-				},
-				{ headers: { "Content-Type": "application/json" } }
-			);
-		});
-
-		it("returns failure with response data on axios error with response (Error instance)", async () => {
-			const { service, axios, logger } = createService();
-			const axiosError = Object.assign(new Error("Forbidden"), {
-				response: { status: 403, data: { errcode: "M_FORBIDDEN" } },
-			});
-			(axios.post as jest.Mock).mockRejectedValue(axiosError);
-
-			const result = await service.requestMatrix(args);
-
-			expect(result).toEqual({
-				status: false,
-				code: 403,
-				message: "Failed to send Matrix notification",
-				payload: { errcode: "M_FORBIDDEN" },
-			});
-			expect(logger.warn).toHaveBeenCalledWith(
-				expect.objectContaining({
-					message: "Forbidden",
-					service: "NetworkService",
-					method: "requestMatrix",
-				})
-			);
-		});
-
-		it("returns NETWORK_ERROR when axios error response has no status", async () => {
-			const { service, axios } = createService();
-			const axiosError = Object.assign(new Error("timeout"), {
-				response: { status: 0, data: undefined },
-			});
-			(axios.post as jest.Mock).mockRejectedValue(axiosError);
-
-			const result = await service.requestMatrix(args);
-
-			expect(result.code).toBe(NETWORK_ERROR);
-		});
-
-		it("returns failure with NETWORK_ERROR on Error without response property", async () => {
-			const { service, axios, logger } = createService();
-			(axios.post as jest.Mock).mockRejectedValue(new Error("DNS failure"));
-
-			const result = await service.requestMatrix(args);
-
-			expect(result).toEqual({
-				status: false,
-				code: NETWORK_ERROR,
-				message: "Failed to send Matrix notification",
-			});
-			// First warn call is from the Error instanceof branch
-			expect(logger.warn).toHaveBeenCalledTimes(2);
-		});
-
-		it("returns failure with NETWORK_ERROR on non-Error thrown value", async () => {
-			const { service, axios, logger } = createService();
-			(axios.post as jest.Mock).mockRejectedValue("string error");
-
-			const result = await service.requestMatrix(args);
-
-			expect(result).toEqual({
-				status: false,
-				code: NETWORK_ERROR,
-				message: "Failed to send Matrix notification",
-			});
-			expect(logger.warn).toHaveBeenCalledWith(
-				expect.objectContaining({
-					message: "string error",
-					service: "NetworkService",
-					method: "requestMatrix",
-				})
-			);
-		});
-
-		it("returns NETWORK_ERROR when Error has response key but response is undefined", async () => {
-			const { service, axios } = createService();
-			const axiosError = Object.assign(new Error("fail"), { response: undefined });
-			(axios.post as jest.Mock).mockRejectedValue(axiosError);
-
-			const result = await service.requestMatrix(args);
-
-			expect(result.code).toBe(NETWORK_ERROR);
-		});
-
-		it("returns NETWORK_ERROR when Error response has undefined status", async () => {
-			const { service, axios } = createService();
-			const axiosError = Object.assign(new Error("fail"), {
-				response: { status: undefined, data: { error: "unknown" } },
-			});
-			(axios.post as jest.Mock).mockRejectedValue(axiosError);
-
-			const result = await service.requestMatrix(args);
-
-			expect(result.code).toBe(NETWORK_ERROR);
-			expect(result.payload).toEqual({ error: "unknown" });
-		});
-	});
-});

server/test/unit/services/notificationsService.test.ts

@@ -3,7 +3,7 @@ import { NotificationsService } from "../../../src/domain/notifications/notifica
 import { createMockLogger } from "../../helpers/createMockLogger.ts";
 import type { Monitor } from "../../../src/domain/monitors/monitor.type.ts";
 import type { Notification } from "../../../src/domain/notifications/notification.type.ts";
-import type { MonitorStatusResponse } from "../../../src/types/network.ts";
+import type { Check } from "../../../src/domain/checks/check.type.ts";
 import type { MonitorActionDecision } from "../../../src/worker/worker.interface.ts";
 
 // ── Helpers ──────────────────────────────────────────────────────────────────
@@ -33,7 +33,7 @@ const createSettingsService = (clientHost = "https://app.example.com") => ({
 
 const createMessageBuilder = () => ({
 	buildMessage: jest.fn().mockReturnValue({ type: "monitor_down", content: { title: "Down" } }),
-	extractThresholdBreaches: jest.fn(),
+	buildThresholdBreachMessage: jest.fn(),
 });
 
 const createService = (overrides?: Record<string, unknown>) => {
@@ -122,15 +122,21 @@ const makeMonitor = (overrides?: Partial<Monitor>): Monitor =>
 	}) as Monitor;
 
 const makeDecision = (overrides?: Partial<MonitorActionDecision>): MonitorActionDecision => ({
-	shouldCreateIncident: false,
-	shouldResolveIncident: false,
-	shouldSendNotification: true,
-	incidentReason: null,
-	notificationReason: "status_change",
+	transition: "status_down",
 	...overrides,
 });
 
-const makeStatusResponse = () => ({ monitorId: "mon-1", status: false, code: 500 }) as unknown as MonitorStatusResponse;
+const makeCheck = (overrides?: Partial<Check>): Check => ({
+	id: "check-1",
+	metadata: { monitorId: "mon-1", teamId: "team-1", type: "http" },
+	status: false,
+	responseTime: 100,
+	statusCode: 500,
+	message: "Internal Server Error",
+	createdAt: "2026-01-01T00:00:00Z",
+	updatedAt: "2026-01-01T00:00:00Z",
+	...overrides,
+});
 
 // ── Tests ────────────────────────────────────────────────────────────────────
 
@@ -138,9 +144,9 @@ describe("NotificationsService", () => {
 	// ── handleNotifications ───────────────────────────────────────────────────
 
 	describe("handleNotifications", () => {
-		it("returns false when shouldSendNotification is false", async () => {
+		it("returns false when there is no transition", async () => {
 			const { service } = createService();
-			const result = await service.handleNotifications(makeMonitor(), makeStatusResponse(), makeDecision({ shouldSendNotification: false }));
+			const result = await service.handleNotifications(makeMonitor(), makeCheck(), makeDecision({ transition: null }));
 			expect(result).toBe(false);
 		});
 
@@ -148,7 +154,7 @@ describe("NotificationsService", () => {
 			const { service, notificationsRepository, emailProvider } = createService();
 			(notificationsRepository.findNotificationsByIds as jest.Mock).mockResolvedValue([makeNotification({ type: "email" })]);
 
-			const result = await service.handleNotifications(makeMonitor(), makeStatusResponse(), makeDecision());
+			const result = await service.handleNotifications(makeMonitor(), makeCheck(), makeDecision());
 
 			expect(result).toBe(true);
 			expect(emailProvider.sendMessage).toHaveBeenCalledTimes(1);
@@ -160,7 +166,7 @@ describe("NotificationsService", () => {
 				const deps = createService();
 				(deps.notificationsRepository.findNotificationsByIds as jest.Mock).mockResolvedValue([makeNotification({ type })]);
 
-				await deps.service.handleNotifications(makeMonitor(), makeStatusResponse(), makeDecision());
+				await deps.service.handleNotifications(makeMonitor(), makeCheck(), makeDecision());
 
 				const providerMap: Record<string, ReturnType<typeof createProvider>> = {
 					webhook: deps.webhookProvider,
@@ -183,7 +189,7 @@ describe("NotificationsService", () => {
 			const { service, notificationsRepository, logger } = createService();
 			(notificationsRepository.findNotificationsByIds as jest.Mock).mockResolvedValue([makeNotification({ type: "carrier_pigeon" as any })]);
 
-			const result = await service.handleNotifications(makeMonitor(), makeStatusResponse(), makeDecision());
+			const result = await service.handleNotifications(makeMonitor(), makeCheck(), makeDecision());
 
 			expect(result).toBe(false);
 			expect(logger.warn).toHaveBeenCalledWith(
@@ -197,7 +203,7 @@ describe("NotificationsService", () => {
 			const { service, notificationsRepository, logger } = createService({ notificationMessageBuilder });
 			(notificationsRepository.findNotificationsByIds as jest.Mock).mockResolvedValue([makeNotification()]);
 
-			const result = await service.handleNotifications(makeMonitor(), makeStatusResponse(), makeDecision());
+			const result = await service.handleNotifications(makeMonitor(), makeCheck(), makeDecision());
 
 			expect(result).toBe(false);
 			expect(logger.warn).toHaveBeenCalledWith(expect.objectContaining({ message: "Notification message not provided" }));
@@ -207,7 +213,7 @@ describe("NotificationsService", () => {
 			const { service, notificationsRepository } = createService();
 			(notificationsRepository.findNotificationsByIds as jest.Mock).mockResolvedValue([]);
 
-			const result = await service.handleNotifications(makeMonitor({ notifications: undefined as any }), makeStatusResponse(), makeDecision());
+			const result = await service.handleNotifications(makeMonitor({ notifications: undefined as any }), makeCheck(), makeDecision());
 
 			expect(result).toBe(true);
 			expect(notificationsRepository.findNotificationsByIds).toHaveBeenCalledWith([]);
@@ -222,7 +228,7 @@ describe("NotificationsService", () => {
 			emailProvider.sendMessage.mockResolvedValue(true);
 			slackProvider.sendMessage.mockResolvedValue(false);
 
-			const result = await service.handleNotifications(makeMonitor(), makeStatusResponse(), makeDecision());
+			const result = await service.handleNotifications(makeMonitor(), makeCheck(), makeDecision());
 
 			expect(result).toBe(false);
 			expect(logger.warn).toHaveBeenCalledWith(expect.objectContaining({ message: expect.stringContaining("1 success, 1 failure") }));
@@ -233,7 +239,7 @@ describe("NotificationsService", () => {
 			const { service, notificationsRepository, notificationMessageBuilder } = createService({ settingsService });
 			(notificationsRepository.findNotificationsByIds as jest.Mock).mockResolvedValue([makeNotification()]);
 
-			await service.handleNotifications(makeMonitor(), makeStatusResponse(), makeDecision());
+			await service.handleNotifications(makeMonitor(), makeCheck(), makeDecision());
 
 			expect(notificationMessageBuilder.buildMessage).toHaveBeenCalledWith(
 				expect.anything(),

server/test/unit/services/providerRegistry.test.ts

@@ -0,0 +1,90 @@
+import { describe, expect, it, jest } from "@jest/globals";
+import { ProviderRegistry } from "../../../src/service/networkProviders/providerRegistry.ts";
+import { NETWORK_ERROR } from "../../../src/types/network.ts";
+import type { IStatusProvider } from "../../../src/service/networkProviders/IStatusProvider.ts";
+import type { Monitor, MonitorType } from "../../../src/domain/monitors/monitor.type.ts";
+
+// ── Helpers ──────────────────────────────────────────────────────────────────
+
+const createMockProvider = (type: string, result?: unknown) => {
+	const provider: jest.Mocked<IStatusProvider<unknown>> = {
+		type,
+		supports: jest.fn((t: MonitorType) => t === type) as any,
+		handle: jest.fn().mockResolvedValue(
+			result ?? {
+				monitorId: "mon-1",
+				teamId: "team-1",
+				type,
+				status: true,
+				code: 200,
+				message: "OK",
+			}
+		),
+	};
+	return provider;
+};
+
+const createRegistry = (providers: IStatusProvider<unknown>[] = []) => new ProviderRegistry(providers);
+
+// ── Tests ────────────────────────────────────────────────────────────────────
+
+describe("ProviderRegistry", () => {
+	describe("probe", () => {
+		it("delegates to the matching provider", async () => {
+			const provider = createMockProvider("http");
+			const registry = createRegistry([provider]);
+			const monitor = { type: "http", _id: "mon-1" } as unknown as Monitor & { type: "http" };
+
+			const result = await registry.probe(monitor);
+
+			expect(provider.supports).toHaveBeenCalledWith("http");
+			expect(provider.handle).toHaveBeenCalledWith(monitor, undefined);
+			expect(result).toEqual(
+				expect.objectContaining({
+					monitorId: "mon-1",
+					status: true,
+					code: 200,
+				})
+			);
+		});
+
+		it("selects the correct provider when multiple are registered", async () => {
+			const httpProvider = createMockProvider("http");
+			const pingProvider = createMockProvider("ping");
+			const registry = createRegistry([httpProvider, pingProvider]);
+			const monitor = { type: "ping", _id: "mon-2" } as unknown as Monitor & { type: "ping" };
+
+			await registry.probe(monitor);
+
+			expect(httpProvider.handle).not.toHaveBeenCalled();
+			expect(pingProvider.handle).toHaveBeenCalledWith(monitor, undefined);
+		});
+
+		it("forwards the check context to the provider", async () => {
+			const provider = createMockProvider("http");
+			const registry = createRegistry([provider]);
+			const monitor = { type: "http", _id: "mon-1" } as unknown as Monitor & { type: "http" };
+			const ctx = { proxyUrl: "http://proxy.example.com:8080" };
+
+			await registry.probe(monitor, ctx);
+
+			expect(provider.handle).toHaveBeenCalledWith(monitor, ctx);
+		});
+
+		it("returns unsupported-type response when no provider matches", async () => {
+			const registry = createRegistry([]);
+			const monitor = { type: "unknown_type" as any, _id: "mon-1" } as unknown as Monitor & { type: any };
+
+			const result = await registry.probe(monitor);
+
+			expect(result).toEqual({
+				monitorId: "unknown",
+				teamId: "unknown",
+				type: "unknown",
+				status: false,
+				code: NETWORK_ERROR,
+				message: "Unsupported type: unknown_type",
+			});
+		});
+	});
+});

server/test/unit/services/proxyResolver.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it, jest } from "@jest/globals";
-import { ProxyResolver, buildProxyUrl } from "../../../src/service/network/ProxyResolver.ts";
+import { ProxyResolver, buildProxyUrl } from "../../../src/service/networkProviders/ProxyResolver.ts";
 import type { Monitor } from "../../../src/domain/monitors/monitor.type.ts";
 import type { Proxy } from "../../../src/domain/proxies/proxy.type.ts";
 import { createMockLogger } from "../../helpers/createMockLogger.ts";

server/test/unit/services/statusService.test.ts

@@ -4,7 +4,7 @@ import { createMockLogger } from "../../helpers/createMockLogger.ts";
 import { MAX_RECENT_CHECKS } from "../../../src/domain/monitors/monitor.type.ts";
 import type { Monitor, MonitorStatus } from "../../../src/domain/monitors/monitor.type.ts";
 import type { Check } from "../../../src/domain/checks/check.type.ts";
-import type { MonitorStatusResponse, HardwareStatusPayload, DockerStatusPayload } from "../../../src/types/network.ts";
+import type { DockerContainerInfo } from "../../../src/domain/docker/docker.type.ts";
 import type { IMonitorsRepository } from "../../../src/domain/monitors/monitor.repository.interface.ts";
 import type { IMonitorStatsRepository } from "../../../src/domain/monitor-stats/monitor-stats.repository.interface.ts";
 
@@ -98,18 +98,6 @@ const makeMonitor = (overrides?: Partial<Monitor>): Monitor =>
 		...overrides,
 	}) as Monitor;
 
-const makeStatusResponse = (overrides?: Partial<MonitorStatusResponse>): MonitorStatusResponse =>
-	({
-		monitorId: "mon-1",
-		teamId: "team-1",
-		type: "http",
-		status: true,
-		code: 200,
-		message: "OK",
-		responseTime: 100,
-		...overrides,
-	}) as MonitorStatusResponse;
-
 const makeCheck = (overrides?: Partial<Check>): Check =>
 	({
 		id: "check-1",
@@ -143,92 +131,86 @@ const makeExistingStats = (overrides?: Record<string, unknown>) => ({
 // ── Tests ────────────────────────────────────────────────────────────────────
 
 describe("StatusService", () => {
-	// ── updateRunningStats ───────────────────────────────────────────────────
+	// ── running stats (via updateMonitorStatus) ──────────────────────────────
 
-	describe("updateRunningStats", () => {
-		// The service now delegates the entire running-stats computation to the repository's
-		// atomic `updateByMonitorId`, so the service-level tests only verify forwarding and error
-		// handling. The math (running average, uptimePercentage, timeOfLastFailure state machine)
-		// is a repository-level concern and is exercised by the repository tests.
+	describe("running stats", () => {
+		// The service delegates the running-stats computation to the repository's atomic `updateByMonitorId`,
+		// so these cases only verify what is forwarded and that a failure never blocks the status update.
+		// The math (running average, uptimePercentage, timeOfLastFailure) is exercised by the repository tests.
+
+		const run = async (check: Check) => {
+			const monitor = makeMonitor();
+			const deps = createService();
+			(deps.monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
+			(deps.monitorStatsRepository.updateByMonitorId as jest.Mock).mockResolvedValue({});
+			const result = await deps.service.updateMonitorStatus(check, monitor);
+			return { ...deps, result };
+		};
 
 		it("forwards a successful check to updateByMonitorId", async () => {
-			const { service, monitorStatsRepository } = createService();
-			(monitorStatsRepository.updateByMonitorId as jest.Mock).mockResolvedValue({});
+			const { monitorStatsRepository } = await run(makeCheck({ responseTime: 50 }));
 
-			const result = await service.updateRunningStats(makeMonitor(), makeStatusResponse({ responseTime: 50 }));
-
-			expect(result).toBe(true);
 			expect(monitorStatsRepository.updateByMonitorId).toHaveBeenCalledWith(
 				"mon-1",
-				expect.objectContaining({
-					status: true,
-					responseTime: 50,
-					now: expect.any(Number),
-				})
+				expect.objectContaining({ status: true, responseTime: 50, now: expect.any(Number) })
 			);
 		});
 
 		it("forwards a failed check to updateByMonitorId", async () => {
-			const { service, monitorStatsRepository } = createService();
-			(monitorStatsRepository.updateByMonitorId as jest.Mock).mockResolvedValue({});
+			const { monitorStatsRepository } = await run(makeCheck({ status: false, responseTime: 100 }));
 
-			const result = await service.updateRunningStats(makeMonitor(), makeStatusResponse({ status: false, responseTime: 100 }));
-
-			expect(result).toBe(true);
 			expect(monitorStatsRepository.updateByMonitorId).toHaveBeenCalledWith("mon-1", expect.objectContaining({ status: false, responseTime: 100 }));
 		});
 
 		it("passes 0 when responseTime is undefined", async () => {
-			const { service, monitorStatsRepository } = createService();
-			(monitorStatsRepository.updateByMonitorId as jest.Mock).mockResolvedValue({});
-
-			await service.updateRunningStats(makeMonitor(), makeStatusResponse({ responseTime: undefined }));
+			const { monitorStatsRepository } = await run(makeCheck({ responseTime: undefined as any }));
 
 			expect(monitorStatsRepository.updateByMonitorId).toHaveBeenCalledWith("mon-1", expect.objectContaining({ responseTime: 0 }));
 		});
 
 		it("forwards responseTime of 0 as 0 (falsy but defined)", async () => {
-			const { service, monitorStatsRepository } = createService();
-			(monitorStatsRepository.updateByMonitorId as jest.Mock).mockResolvedValue({});
-
-			await service.updateRunningStats(makeMonitor(), makeStatusResponse({ responseTime: 0 }));
+			const { monitorStatsRepository } = await run(makeCheck({ responseTime: 0 }));
 
 			expect(monitorStatsRepository.updateByMonitorId).toHaveBeenCalledWith("mon-1", expect.objectContaining({ responseTime: 0 }));
 		});
 
 		it("coerces a non-true status to false (e.g. undefined)", async () => {
-			const { service, monitorStatsRepository } = createService();
-			(monitorStatsRepository.updateByMonitorId as jest.Mock).mockResolvedValue({});
-
-			await service.updateRunningStats(makeMonitor(), makeStatusResponse({ status: undefined as unknown as boolean }));
+			const { monitorStatsRepository } = await run(makeCheck({ status: undefined as any }));
 
 			expect(monitorStatsRepository.updateByMonitorId).toHaveBeenCalledWith("mon-1", expect.objectContaining({ status: false }));
 		});
 
-		it("returns false and logs error when updateByMonitorId throws", async () => {
-			const { service, logger, monitorStatsRepository } = createService();
-			(monitorStatsRepository.updateByMonitorId as jest.Mock).mockRejectedValue(new Error("db write failed"));
+		it("warns once and still updates the status when updateByMonitorId throws", async () => {
+			const monitor = makeMonitor({ statusWindow: [true, true, true, true], statusWindowSize: 5, status: "up" });
+			const { service, logger, monitorsRepository, monitorStatsRepository } = createService();
+			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
+			(monitorStatsRepository.updateByMonitorId as jest.Mock).mockRejectedValue(new Error("stats db down"));
 
-			const result = await service.updateRunningStats(makeMonitor(), makeStatusResponse());
+			const result = await service.updateMonitorStatus(makeCheck({ status: true }), monitor);
 
-			expect(result).toBe(false);
-			expect(logger.error).toHaveBeenCalledWith(
+			expect(result.monitor.status).toBe("up");
+			expect(monitorsRepository.updateStatusWindowAndChecks).toHaveBeenCalledTimes(1);
+			expect(logger.warn).toHaveBeenCalledTimes(1);
+			expect(logger.warn).toHaveBeenCalledWith(
 				expect.objectContaining({
 					service: "StatusService",
-					method: "updateRunningStats",
-					message: "db write failed",
+					method: "tryUpdateRunningStats",
+					message: "stats db down",
+					stack: expect.any(String),
 				})
 			);
+			expect(logger.error).not.toHaveBeenCalled();
 		});
 
-		it("logs error with 'Unknown error' for non-Error exceptions", async () => {
-			const { service, logger, monitorStatsRepository } = createService();
+		it("warns with 'Unknown error' for non-Error rejections", async () => {
+			const monitor = makeMonitor();
+			const { service, logger, monitorsRepository, monitorStatsRepository } = createService();
+			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 			(monitorStatsRepository.updateByMonitorId as jest.Mock).mockRejectedValue("string error");
 
-			const result = await service.updateRunningStats(makeMonitor(), makeStatusResponse());
+			await service.updateMonitorStatus(makeCheck(), monitor);
 
-			expect(result).toBe(false);
-			expect(logger.error).toHaveBeenCalledWith(expect.objectContaining({ message: "Unknown error", stack: undefined }));
+			expect(logger.warn).toHaveBeenCalledWith(expect.objectContaining({ message: "Unknown error", stack: undefined }));
 		});
 	});
 
@@ -241,7 +223,7 @@ describe("StatusService", () => {
 			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 			(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-			const result = await service.updateMonitorStatus(makeStatusResponse({ status: true }), makeCheck(), monitor);
+			const result = await service.updateMonitorStatus(makeCheck({ status: true }), monitor);
 
 			expect(result.statusChanged).toBe(false);
 			expect(result.prevStatus).toBe("up");
@@ -252,7 +234,7 @@ describe("StatusService", () => {
 			const { service, monitorsRepository } = createService();
 			(monitorsRepository.updateStatusWindowAndChecks as jest.Mock).mockResolvedValue(monitor);
 
-			const result = await service.updateMonitorStatus(makeStatusResponse({ status: true }), makeCheck(), monitor);
+			const result = await service.updateMonitorStatus(makeCheck({ status: true }), monitor);
 
 			expect(monitorsRepository.findById).not.toHaveBeenCalled();
 			expect(result.prevStatus).toBe("up");
@@ -265,7 +247,7 @@ describe("StatusService", () => {
 			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 			(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-			await service.updateMonitorStatus(makeStatusResponse({ status: false }), makeCheck({ status: false }), monitor);
+			await service.updateMonitorStatus(makeCheck({ status: false }), monitor);
 
 			// Atomic push should have been called with the correct status and window size
 			expect(monitorsRepository.updateStatusWindowAndChecks).toHaveBeenCalledWith(
@@ -286,7 +268,7 @@ describe("StatusService", () => {
 			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 			(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-			await service.updateMonitorStatus(makeStatusResponse(), makeCheck({ id: "new-check" }), monitor);
+			await service.updateMonitorStatus(makeCheck({ id: "new-check" }), monitor);
 
 			expect(monitor.recentChecks).toHaveLength(MAX_RECENT_CHECKS);
 			expect(monitor.recentChecks[MAX_RECENT_CHECKS - 1]).toEqual(expect.objectContaining({ id: "new-check" }));
@@ -304,7 +286,7 @@ describe("StatusService", () => {
 			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 			(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-			const result = await service.updateMonitorStatus(makeStatusResponse({ status: false }), makeCheck({ status: false }), monitor);
+			const result = await service.updateMonitorStatus(makeCheck({ status: false }), monitor);
 
 			expect(result.statusChanged).toBe(true);
 			expect(result.monitor.status).toBe("down");
@@ -322,7 +304,7 @@ describe("StatusService", () => {
 			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 			(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-			const result = await service.updateMonitorStatus(makeStatusResponse({ status: true }), makeCheck({ status: true }), monitor);
+			const result = await service.updateMonitorStatus(makeCheck({ status: true }), monitor);
 
 			expect(result.statusChanged).toBe(true);
 			expect(result.monitor.status).toBe("up");
@@ -339,7 +321,7 @@ describe("StatusService", () => {
 			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 			(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-			const result = await service.updateMonitorStatus(makeStatusResponse({ status: true }), makeCheck(), monitor);
+			const result = await service.updateMonitorStatus(makeCheck({ status: true }), monitor);
 
 			expect(result.statusChanged).toBe(false);
 			expect(result.monitor.status).toBe("up");
@@ -359,7 +341,7 @@ describe("StatusService", () => {
 			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 			(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-			const result = await service.updateMonitorStatus(makeStatusResponse({ status: false }), makeCheck({ status: false }), monitor);
+			const result = await service.updateMonitorStatus(makeCheck({ status: false }), monitor);
 
 			expect(result.statusChanged).toBe(false);
 			expect(result.monitor.status).toBe("up");
@@ -376,7 +358,7 @@ describe("StatusService", () => {
 			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 			(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-			const result = await service.updateMonitorStatus(makeStatusResponse({ status: false }), makeCheck({ status: false }), monitor);
+			const result = await service.updateMonitorStatus(makeCheck({ status: false }), monitor);
 
 			expect(result.statusChanged).toBe(false);
 			expect(result.monitor.status).toBe("down");
@@ -388,7 +370,7 @@ describe("StatusService", () => {
 			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 			(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-			await service.updateMonitorStatus(makeStatusResponse(), makeCheck(), monitor);
+			await service.updateMonitorStatus(makeCheck(), monitor);
 
 			expect(monitor.statusWindow).toEqual([true]);
 		});
@@ -399,7 +381,7 @@ describe("StatusService", () => {
 			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 			(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-			await service.updateMonitorStatus(makeStatusResponse(), makeCheck(), monitor);
+			await service.updateMonitorStatus(makeCheck(), monitor);
 
 			expect(monitor.recentChecks).toHaveLength(1);
 		});
@@ -409,7 +391,7 @@ describe("StatusService", () => {
 			const { service, monitorsRepository } = createService();
 			(monitorsRepository.updateStatusWindowAndChecks as jest.Mock).mockRejectedValue(new Error("db error"));
 
-			await expect(service.updateMonitorStatus(makeStatusResponse(), makeCheck(), monitor)).rejects.toThrow("Failed to update monitor");
+			await expect(service.updateMonitorStatus(makeCheck(), monitor)).rejects.toThrow("Failed to update monitor");
 		});
 
 		it("throws AppError with 'Unknown error' for non-Error exceptions", async () => {
@@ -417,7 +399,7 @@ describe("StatusService", () => {
 			const { service, monitorsRepository } = createService();
 			(monitorsRepository.updateStatusWindowAndChecks as jest.Mock).mockRejectedValue("string error");
 
-			await expect(service.updateMonitorStatus(makeStatusResponse(), makeCheck(), monitor)).rejects.toThrow("Unknown error");
+			await expect(service.updateMonitorStatus(makeCheck(), monitor)).rejects.toThrow("Unknown error");
 		});
 
 		it("keeps status 'down' on a single successful check that leaves failure rate at threshold (regression: #3438 mirror)", async () => {
@@ -435,7 +417,7 @@ describe("StatusService", () => {
 			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 			(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-			const result = await service.updateMonitorStatus(makeStatusResponse({ status: true }), makeCheck({ status: true }), monitor);
+			const result = await service.updateMonitorStatus(makeCheck({ status: true }), monitor);
 
 			expect(result.statusChanged).toBe(false);
 			expect(result.monitor.status).toBe("down");
@@ -453,7 +435,7 @@ describe("StatusService", () => {
 			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 			(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-			const result = await service.updateMonitorStatus(makeStatusResponse({ status: false }), makeCheck({ status: false }), monitor);
+			const result = await service.updateMonitorStatus(makeCheck({ status: false }), monitor);
 
 			expect(result.statusChanged).toBe(true);
 			expect(result.monitor.status).toBe("down");
@@ -475,7 +457,7 @@ describe("StatusService", () => {
 			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 			(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-			const result = await service.updateMonitorStatus(makeStatusResponse({ status: true }), makeCheck({ status: true }), monitor);
+			const result = await service.updateMonitorStatus(makeCheck({ status: true }), monitor);
 
 			expect(result.monitor.status).toBe("up");
 		});
@@ -493,7 +475,7 @@ describe("StatusService", () => {
 			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 			(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-			const result = await service.updateMonitorStatus(makeStatusResponse({ status: false }), makeCheck({ status: false }), monitor);
+			const result = await service.updateMonitorStatus(makeCheck({ status: false }), monitor);
 
 			expect(result.monitor.status).toBe("down");
 		});
@@ -514,7 +496,7 @@ describe("StatusService", () => {
 			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 			(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-			const result = await service.updateMonitorStatus(makeStatusResponse({ status: true }), makeCheck({ status: true }), monitor);
+			const result = await service.updateMonitorStatus(makeCheck({ status: true }), monitor);
 
 			expect(result.monitor.status).toBe("up");
 			expect(result.statusChanged).toBe(false); // was effectively up already — no notification storm
@@ -531,7 +513,7 @@ describe("StatusService", () => {
 			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 			(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-			const result = await service.updateMonitorStatus(makeStatusResponse({ status: false }), makeCheck({ status: false }), monitor);
+			const result = await service.updateMonitorStatus(makeCheck({ status: false }), monitor);
 
 			expect(result.monitor.status).toBe("down");
 			expect(result.statusChanged).toBe(true); // down must surface so an incident is opened
@@ -548,7 +530,7 @@ describe("StatusService", () => {
 			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 			(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-			const result = await service.updateMonitorStatus(makeStatusResponse({ status: false }), makeCheck({ status: false }), monitor);
+			const result = await service.updateMonitorStatus(makeCheck({ status: false }), monitor);
 
 			expect(result.statusChanged).toBe(false);
 			expect(result.monitor.status).toBe("up");
@@ -565,7 +547,7 @@ describe("StatusService", () => {
 			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 			(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-			const result = await service.updateMonitorStatus(makeStatusResponse({ status: false }), makeCheck({ status: false }), monitor);
+			const result = await service.updateMonitorStatus(makeCheck({ status: false }), monitor);
 
 			expect(result.statusChanged).toBe(true);
 			expect(result.monitor.status).toBe("down");
@@ -580,7 +562,7 @@ describe("StatusService", () => {
 			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 			(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-			const result = await service.updateMonitorStatus(makeStatusResponse({ status: false }), makeCheck({ status: false }), monitor);
+			const result = await service.updateMonitorStatus(makeCheck({ status: false }), monitor);
 
 			expect(result.statusChanged).toBe(true);
 			expect(result.monitor.status).toBe("down");
@@ -596,7 +578,7 @@ describe("StatusService", () => {
 			const { service, monitorsRepository } = createService();
 			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 
-			const result = await service.updateMonitorStatus(makeStatusResponse({ status: true }), makeCheck({ status: true }), monitor);
+			const result = await service.updateMonitorStatus(makeCheck({ status: true }), monitor);
 
 			expect(result.statusChanged).toBe(false);
 			expect(result.monitor.status).toBe("up");
@@ -611,7 +593,7 @@ describe("StatusService", () => {
 			const { service, monitorsRepository } = createService();
 			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 
-			const result = await service.updateMonitorStatus(makeStatusResponse({ status: false }), makeCheck({ status: false }), monitor);
+			const result = await service.updateMonitorStatus(makeCheck({ status: false }), monitor);
 
 			expect(result.statusChanged).toBe(true);
 			expect(result.monitor.status).toBe("down");
@@ -631,7 +613,7 @@ describe("StatusService", () => {
 			const { service, monitorsRepository } = createService();
 			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 
-			const result = await service.updateMonitorStatus(makeStatusResponse({ status: true }), makeCheck({ status: true }), monitor);
+			const result = await service.updateMonitorStatus(makeCheck({ status: true }), monitor);
 
 			expect(result.monitor.status).toBe("up");
 		});
@@ -646,43 +628,12 @@ describe("StatusService", () => {
 			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 			(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-			const result = await service.updateMonitorStatus(makeStatusResponse({ status: true }), makeCheck({ status: true }), monitor);
+			const result = await service.updateMonitorStatus(makeCheck({ status: true }), monitor);
 
 			expect(result.statusChanged).toBe(false);
 			expect(result.monitor.status).toBe("down");
 		});
 
-		it("logs a warning but still succeeds when running-stats update fails mid-flight", async () => {
-			const monitor = makeMonitor({ statusWindow: [true, true, true, true], statusWindowSize: 5, status: "up" });
-			const { service, logger, monitorsRepository, monitorStatsRepository } = createService();
-			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
-			(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
-			(monitorStatsRepository.updateByMonitorId as jest.Mock).mockRejectedValue(new Error("stats db down"));
-
-			const result = await service.updateMonitorStatus(makeStatusResponse({ status: true }), makeCheck(), monitor);
-
-			expect(result.monitor.status).toBe("up");
-			expect(logger.warn).toHaveBeenCalledWith(
-				expect.objectContaining({
-					service: "StatusService",
-					method: "updateMonitorStatus",
-					message: expect.stringContaining("Stats update failed"),
-				})
-			);
-		});
-
-		it("returns code and timestamp in result", async () => {
-			const monitor = makeMonitor({ statusWindow: [true, true, true, true], statusWindowSize: 5 });
-			const { service, monitorsRepository } = createService();
-			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
-			(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
-
-			const result = await service.updateMonitorStatus(makeStatusResponse({ code: 201 }), makeCheck(), monitor);
-
-			expect(result.code).toBe(201);
-			expect(result.timestamp).toBeGreaterThan(0);
-		});
-
 		// ── Hardware threshold breach tests ──────────────────────────────────
 
 		describe("hardware threshold breaches", () => {
@@ -703,13 +654,12 @@ describe("StatusService", () => {
 					...overrides,
 				});
 
-			const makeHardwareResponse = (payload: HardwareStatusPayload, overrides?: Partial<MonitorStatusResponse<HardwareStatusPayload>>) =>
-				makeStatusResponse({
-					type: "hardware",
+			const makeHardwareCheck = (metrics: Pick<Check, "cpu" | "memory" | "disk" | "host">, overrides?: Partial<Check>) =>
+				makeCheck({
 					status: true,
-					payload,
+					...metrics,
 					...overrides,
-				} as any) as MonitorStatusResponse<HardwareStatusPayload>;
+				});
 
 			it("detects CPU threshold breach and decrements counter", async () => {
 				const monitor = makeHardwareMonitor({ cpuAlertCounter: 1 });
@@ -717,8 +667,8 @@ describe("StatusService", () => {
 				(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 				(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-				const response = makeHardwareResponse({ data: { cpu: { usage_percent: 0.9 }, memory: { usage_percent: 0.5 }, disk: [], host: {} } } as any);
-				const result = await service.updateMonitorStatus(response, makeCheck(), monitor);
+				const check = makeHardwareCheck({ cpu: { usage_percent: 0.9 }, memory: { usage_percent: 0.5 }, disk: [], host: {} });
+				const result = await service.updateMonitorStatus(check, monitor);
 
 				expect(result.thresholdBreaches?.cpu).toBe(true);
 				expect(result.thresholdBreaches?.memory).toBe(false);
@@ -734,8 +684,8 @@ describe("StatusService", () => {
 				(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 				(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-				const response = makeHardwareResponse({ data: { cpu: { usage_percent: 0.5 }, memory: { usage_percent: 0.9 }, disk: [], host: {} } } as any);
-				const result = await service.updateMonitorStatus(response, makeCheck(), monitor);
+				const check = makeHardwareCheck({ cpu: { usage_percent: 0.5 }, memory: { usage_percent: 0.9 }, disk: [], host: {} });
+				const result = await service.updateMonitorStatus(check, monitor);
 
 				expect(result.thresholdBreaches?.memory).toBe(true);
 				const patch = (monitorsRepository.updateStatusWindowAndChecks as jest.Mock).mock.calls.at(-1)?.[6];
@@ -749,10 +699,8 @@ describe("StatusService", () => {
 				(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 				(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-				const response = makeHardwareResponse({
-					data: { cpu: { usage_percent: 0.1 }, memory: { usage_percent: 0.1 }, disk: [{ usage_percent: 0.95 }], host: {} },
-				} as any);
-				const result = await service.updateMonitorStatus(response, makeCheck(), monitor);
+				const check = makeHardwareCheck({ cpu: { usage_percent: 0.1 }, memory: { usage_percent: 0.1 }, disk: [{ usage_percent: 0.95 }], host: {} });
+				const result = await service.updateMonitorStatus(check, monitor);
 
 				expect(result.thresholdBreaches?.disk).toBe(true);
 				const patch = (monitorsRepository.updateStatusWindowAndChecks as jest.Mock).mock.calls.at(-1)?.[6];
@@ -766,10 +714,8 @@ describe("StatusService", () => {
 				(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 				(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-				const response = makeHardwareResponse({
-					data: { cpu: { usage_percent: 0.1, temperature: [90] }, memory: { usage_percent: 0.1 }, disk: [], host: {} },
-				} as any);
-				const result = await service.updateMonitorStatus(response, makeCheck(), monitor);
+				const check = makeHardwareCheck({ cpu: { usage_percent: 0.1, temperature: [90] }, memory: { usage_percent: 0.1 }, disk: [], host: {} });
+				const result = await service.updateMonitorStatus(check, monitor);
 
 				expect(result.thresholdBreaches?.temp).toBe(true);
 				const patch = (monitorsRepository.updateStatusWindowAndChecks as jest.Mock).mock.calls.at(-1)?.[6];
@@ -788,10 +734,13 @@ describe("StatusService", () => {
 				(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 				(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-				const response = makeHardwareResponse({
-					data: { cpu: { usage_percent: 0.1, temperature: [30] }, memory: { usage_percent: 0.1 }, disk: [{ usage_percent: 0.1 }], host: {} },
-				} as any);
-				await service.updateMonitorStatus(response, makeCheck(), monitor);
+				const check = makeHardwareCheck({
+					cpu: { usage_percent: 0.1, temperature: [30] },
+					memory: { usage_percent: 0.1 },
+					disk: [{ usage_percent: 0.1 }],
+					host: {},
+				});
+				await service.updateMonitorStatus(check, monitor);
 
 				const patch = (monitorsRepository.updateStatusWindowAndChecks as jest.Mock).mock.calls.at(-1)?.[6];
 				expect(patch.cpuAlertCounter).toBe(5);
@@ -809,8 +758,8 @@ describe("StatusService", () => {
 				(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 				(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-				const response = makeHardwareResponse({ data: { cpu: { usage_percent: 0.9 }, memory: { usage_percent: 0.1 }, disk: [], host: {} } } as any);
-				const result = await service.updateMonitorStatus(response, makeCheck(), monitor);
+				const check = makeHardwareCheck({ cpu: { usage_percent: 0.9 }, memory: { usage_percent: 0.1 }, disk: [], host: {} });
+				const result = await service.updateMonitorStatus(check, monitor);
 
 				expect(result.monitor.status).toBe("breached");
 				expect(result.statusChanged).toBe(false);
@@ -822,10 +771,13 @@ describe("StatusService", () => {
 				(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 				(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-				const response = makeHardwareResponse({
-					data: { cpu: { usage_percent: 0.1, temperature: [30] }, memory: { usage_percent: 0.1 }, disk: [{ usage_percent: 0.1 }], host: {} },
-				} as any);
-				const result = await service.updateMonitorStatus(response, makeCheck(), monitor);
+				const check = makeHardwareCheck({
+					cpu: { usage_percent: 0.1, temperature: [30] },
+					memory: { usage_percent: 0.1 },
+					disk: [{ usage_percent: 0.1 }],
+					host: {},
+				});
+				const result = await service.updateMonitorStatus(check, monitor);
 
 				expect(result.statusChanged).toBe(true);
 				expect(result.monitor.status).toBe("up");
@@ -844,11 +796,8 @@ describe("StatusService", () => {
 				(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 				(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-				const response = makeHardwareResponse({
-					status: false,
-					data: { cpu: { usage_percent: 0.9 }, memory: { usage_percent: 0.1 }, disk: [], host: {} },
-				} as any);
-				const result = await service.updateMonitorStatus(response, makeCheck({ status: false }), monitor);
+				const check = makeHardwareCheck({ cpu: { usage_percent: 0.9 }, memory: { usage_percent: 0.1 }, disk: [], host: {} }, { status: false });
+				const result = await service.updateMonitorStatus(check, monitor);
 
 				expect(result.monitor.status).toBe("down");
 			});
@@ -859,8 +808,8 @@ describe("StatusService", () => {
 				(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 				(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-				const response = makeHardwareResponse({ data: { cpu: {}, memory: { usage_percent: 0.1 }, disk: [], host: {} } } as any);
-				const result = await service.updateMonitorStatus(response, makeCheck(), monitor);
+				const check = makeHardwareCheck({ cpu: {}, memory: { usage_percent: 0.1 }, disk: [], host: {} });
+				const result = await service.updateMonitorStatus(check, monitor);
 
 				expect(result.thresholdBreaches?.cpu).toBe(false);
 			});
@@ -871,8 +820,8 @@ describe("StatusService", () => {
 				(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 				(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-				const response = makeHardwareResponse({ data: { cpu: { usage_percent: 0.1 }, memory: {}, disk: [], host: {} } } as any);
-				const result = await service.updateMonitorStatus(response, makeCheck(), monitor);
+				const check = makeHardwareCheck({ cpu: { usage_percent: 0.1 }, memory: {}, disk: [], host: {} });
+				const result = await service.updateMonitorStatus(check, monitor);
 
 				expect(result.thresholdBreaches?.memory).toBe(false);
 			});
@@ -883,10 +832,8 @@ describe("StatusService", () => {
 				(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 				(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-				const response = makeHardwareResponse({
-					data: { cpu: { usage_percent: 0.1, temperature: [] }, memory: { usage_percent: 0.1 }, disk: [], host: {} },
-				} as any);
-				const result = await service.updateMonitorStatus(response, makeCheck(), monitor);
+				const check = makeHardwareCheck({ cpu: { usage_percent: 0.1, temperature: [] }, memory: { usage_percent: 0.1 }, disk: [], host: {} });
+				const result = await service.updateMonitorStatus(check, monitor);
 
 				expect(result.thresholdBreaches?.temp).toBe(false);
 			});
@@ -897,36 +844,25 @@ describe("StatusService", () => {
 				(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 				(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-				const response = makeHardwareResponse({
-					data: { cpu: { usage_percent: 0.1 }, memory: { usage_percent: 0.1 }, disk: [], host: {} },
-				} as any);
-				const result = await service.updateMonitorStatus(response, makeCheck(), monitor);
+				const check = makeHardwareCheck({ cpu: { usage_percent: 0.1 }, memory: { usage_percent: 0.1 }, disk: [], host: {} });
+				const result = await service.updateMonitorStatus(check, monitor);
 
 				expect(result.thresholdBreaches?.temp).toBe(false);
 			});
 
-			it("skips threshold evaluation when payload is undefined", async () => {
-				const monitor = makeHardwareMonitor();
+			it("reports no breaches when the check carries no hardware metrics", async () => {
+				// A stored hardware check with no metrics (cpu/memory/disk/host all absent) must not
+				// throw and must not report any breach.
+				const monitor = makeHardwareMonitor({ cpuAlertCounter: 1 });
 				const { service, monitorsRepository } = createService();
 				(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 				(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-				const response = makeHardwareResponse(undefined as any);
-				const result = await service.updateMonitorStatus(response, makeCheck(), monitor);
+				const result = await service.updateMonitorStatus(makeCheck(), monitor);
 
-				expect(result.thresholdBreaches).toBeUndefined();
-			});
-
-			it("skips threshold evaluation when payload.data is undefined", async () => {
-				const monitor = makeHardwareMonitor();
-				const { service, monitorsRepository } = createService();
-				(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
-				(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
-
-				const response = makeHardwareResponse({} as any);
-				const result = await service.updateMonitorStatus(response, makeCheck(), monitor);
-
-				expect(result.thresholdBreaches).toBeUndefined();
+				expect(result.thresholdBreaches).toEqual({ cpu: false, memory: false, disk: false, temp: false });
+				expect(result.statusChanged).toBe(false);
+				expect(result.monitor.status).toBe("up");
 			});
 
 			it("does not set thresholdBreaches for non-hardware monitors", async () => {
@@ -939,7 +875,7 @@ describe("StatusService", () => {
 				(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 				(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-				const result = await service.updateMonitorStatus(makeStatusResponse(), makeCheck(), monitor);
+				const result = await service.updateMonitorStatus(makeCheck(), monitor);
 
 				expect(result.thresholdBreaches).toBeUndefined();
 			});
@@ -950,10 +886,8 @@ describe("StatusService", () => {
 				(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 				(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-				const response = makeHardwareResponse({
-					data: { cpu: { usage_percent: 0.1 }, memory: { usage_percent: 0.1 }, disk: [null as any], host: {} },
-				} as any);
-				const result = await service.updateMonitorStatus(response, makeCheck(), monitor);
+				const check = makeHardwareCheck({ cpu: { usage_percent: 0.1 }, memory: { usage_percent: 0.1 }, disk: [null as any], host: {} });
+				const result = await service.updateMonitorStatus(check, monitor);
 
 				expect(result.thresholdBreaches?.disk).toBe(false);
 			});
@@ -964,10 +898,8 @@ describe("StatusService", () => {
 				(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 				(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-				const response = makeHardwareResponse({
-					data: { cpu: { usage_percent: 0.1 }, memory: { usage_percent: 0.1 }, disk: [{ device: "/dev/sda" }], host: {} },
-				} as any);
-				const result = await service.updateMonitorStatus(response, makeCheck(), monitor);
+				const check = makeHardwareCheck({ cpu: { usage_percent: 0.1 }, memory: { usage_percent: 0.1 }, disk: [{ device: "/dev/sda" }], host: {} });
+				const result = await service.updateMonitorStatus(check, monitor);
 
 				expect(result.thresholdBreaches?.disk).toBe(false);
 			});
@@ -978,10 +910,8 @@ describe("StatusService", () => {
 				(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 				(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-				const response = makeHardwareResponse({
-					data: { cpu: undefined, memory: { usage_percent: 0.1 }, disk: [], host: {} },
-				} as any);
-				const result = await service.updateMonitorStatus(response, makeCheck(), monitor);
+				const check = makeHardwareCheck({ cpu: undefined, memory: { usage_percent: 0.1 }, disk: [], host: {} });
+				const result = await service.updateMonitorStatus(check, monitor);
 
 				expect(result.thresholdBreaches?.cpu).toBe(false);
 				expect(result.thresholdBreaches?.temp).toBe(false);
@@ -993,10 +923,8 @@ describe("StatusService", () => {
 				(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 				(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-				const response = makeHardwareResponse({
-					data: { cpu: { usage_percent: 0.1 }, memory: undefined, disk: [], host: {} },
-				} as any);
-				const result = await service.updateMonitorStatus(response, makeCheck(), monitor);
+				const check = makeHardwareCheck({ cpu: { usage_percent: 0.1 }, memory: undefined, disk: [], host: {} });
+				const result = await service.updateMonitorStatus(check, monitor);
 
 				expect(result.thresholdBreaches?.memory).toBe(false);
 			});
@@ -1007,10 +935,8 @@ describe("StatusService", () => {
 				(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 				(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-				const response = makeHardwareResponse({
-					data: { cpu: { usage_percent: 0.1 }, memory: { usage_percent: 0.1 }, disk: undefined, host: {} },
-				} as any);
-				const result = await service.updateMonitorStatus(response, makeCheck(), monitor);
+				const check = makeHardwareCheck({ cpu: { usage_percent: 0.1 }, memory: { usage_percent: 0.1 }, disk: undefined, host: {} });
+				const result = await service.updateMonitorStatus(check, monitor);
 
 				expect(result.thresholdBreaches?.disk).toBe(false);
 			});
@@ -1023,8 +949,8 @@ describe("StatusService", () => {
 				(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 				(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-				const response = makeHardwareResponse({ data: { cpu: { usage_percent: 0.9 }, memory: { usage_percent: 0.1 }, disk: [], host: {} } } as any);
-				const result = await service.updateMonitorStatus(response, makeCheck(), monitor);
+				const check = makeHardwareCheck({ cpu: { usage_percent: 0.9 }, memory: { usage_percent: 0.1 }, disk: [], host: {} });
+				const result = await service.updateMonitorStatus(check, monitor);
 
 				const patch = (monitorsRepository.updateStatusWindowAndChecks as jest.Mock).mock.calls.at(-1)?.[6];
 				expect(patch.cpuAlertCounter).toBe(2);
@@ -1046,11 +972,8 @@ describe("StatusService", () => {
 				(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 				(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-				const response = makeHardwareResponse({
-					status: false,
-					data: { cpu: { usage_percent: 0.1 }, memory: { usage_percent: 0.1 }, disk: [], host: {} },
-				} as any);
-				const result = await service.updateMonitorStatus(response, makeCheck({ status: false }), monitor);
+				const check = makeHardwareCheck({ cpu: { usage_percent: 0.1 }, memory: { usage_percent: 0.1 }, disk: [], host: {} }, { status: false });
+				const result = await service.updateMonitorStatus(check, monitor);
 
 				expect(result.statusChanged).toBe(true);
 				expect(result.monitor.status).toBe("down");
@@ -1067,10 +990,13 @@ describe("StatusService", () => {
 				(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 				(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
 
-				const response = makeHardwareResponse({
-					data: { cpu: { usage_percent: 0.9, temperature: [90] }, memory: { usage_percent: 0.9 }, disk: [{ usage_percent: 0.95 }], host: {} },
-				} as any);
-				await service.updateMonitorStatus(response, makeCheck(), monitor);
+				const check = makeHardwareCheck({
+					cpu: { usage_percent: 0.9, temperature: [90] },
+					memory: { usage_percent: 0.9 },
+					disk: [{ usage_percent: 0.95 }],
+					host: {},
+				});
+				await service.updateMonitorStatus(check, monitor);
 
 				expect(monitor.cpuAlertCounter).toBe(0);
 				expect(monitor.memoryAlertCounter).toBe(0);
@@ -1099,8 +1025,8 @@ describe("StatusService", () => {
 				...overrides,
 			});
 
-		const makeContainers = (containers: Partial<DockerStatusPayload["containers"][number]>[]): DockerStatusPayload => ({
-			containers: containers.map((container, index) => ({
+		const makeContainers = (containers: Partial<DockerContainerInfo>[]): DockerContainerInfo[] =>
+			containers.map((container, index) => ({
 				id: `container-${index}`,
 				name: `container-${index}`,
 				image: "nginx:latest",
@@ -1108,23 +1034,20 @@ describe("StatusService", () => {
 				status: "Up 3 hours",
 				health: "none",
 				...container,
-			})),
-			summary: { total: containers.length, running: 0, stopped: 0, unhealthy: 0 },
-		});
+			}));
 
-		const makeDockerResponse = (payload: DockerStatusPayload | null, overrides?: Partial<MonitorStatusResponse<DockerStatusPayload>>) =>
-			makeStatusResponse({
-				type: "docker",
+		const makeDockerCheck = (containers: DockerContainerInfo[] | null, overrides?: Partial<Check>) =>
+			makeCheck({
 				status: true,
-				payload,
+				...(containers ? { containers } : {}),
 				...overrides,
-			} as any) as MonitorStatusResponse<DockerStatusPayload>;
+			});
 
-		const run = async (monitor: Monitor, response: MonitorStatusResponse<DockerStatusPayload>, check = makeCheck()) => {
+		const run = async (monitor: Monitor, check: Check) => {
 			const { service, monitorsRepository } = createService();
 			(monitorsRepository.findById as jest.Mock).mockResolvedValue(monitor);
 			(monitorsRepository.updateById as jest.Mock).mockImplementation((_id: unknown, _tid: unknown, m: unknown) => Promise.resolve(m));
-			const result = await service.updateMonitorStatus(response, check, monitor);
+			const result = await service.updateMonitorStatus(check, monitor);
 			return { result, monitorsRepository };
 		};
 
@@ -1132,14 +1055,14 @@ describe("StatusService", () => {
 		const unhealthy = { name: "api", health: "unhealthy" as const };
 
 		it("goes to breached on the first check with a stopped container", async () => {
-			const { result } = await run(makeDockerMonitor(), makeDockerResponse(makeContainers([stopped])));
+			const { result } = await run(makeDockerMonitor(), makeDockerCheck(makeContainers([stopped])));
 
 			expect(result.statusChanged).toBe(true);
 			expect(result.monitor.status).toBe("breached");
 		});
 
 		it("goes to breached on the first check with an unhealthy container", async () => {
-			const { result } = await run(makeDockerMonitor(), makeDockerResponse(makeContainers([unhealthy])));
+			const { result } = await run(makeDockerMonitor(), makeDockerCheck(makeContainers([unhealthy])));
 
 			expect(result.statusChanged).toBe(true);
 			expect(result.monitor.status).toBe("breached");
@@ -1147,7 +1070,7 @@ describe("StatusService", () => {
 
 		it("stays up on a stopped container when both switches are off", async () => {
 			const monitor = makeDockerMonitor({ dockerAlertOnStopped: false, dockerAlertOnUnhealthy: false });
-			const { result } = await run(monitor, makeDockerResponse(makeContainers([stopped, unhealthy])));
+			const { result } = await run(monitor, makeDockerCheck(makeContainers([stopped, unhealthy])));
 
 			expect(result.statusChanged).toBe(false);
 			expect(result.monitor.status).toBe("up");
@@ -1155,35 +1078,35 @@ describe("StatusService", () => {
 
 		it("stays up on a stopped container when only the unhealthy switch is on", async () => {
 			const monitor = makeDockerMonitor({ dockerAlertOnStopped: false });
-			const { result } = await run(monitor, makeDockerResponse(makeContainers([stopped])));
+			const { result } = await run(monitor, makeDockerCheck(makeContainers([stopped])));
 
 			expect(result.statusChanged).toBe(false);
 			expect(result.monitor.status).toBe("up");
 		});
 
 		it("stays up on an exited container with code 0", async () => {
-			const { result } = await run(makeDockerMonitor(), makeDockerResponse(makeContainers([{ name: "job", state: "exited", exitCode: 0 }])));
+			const { result } = await run(makeDockerMonitor(), makeDockerCheck(makeContainers([{ name: "job", state: "exited", exitCode: 0 }])));
 
 			expect(result.statusChanged).toBe(false);
 			expect(result.monitor.status).toBe("up");
 		});
 
 		it("stays breached without a transition while a container is still down", async () => {
-			const { result } = await run(makeDockerMonitor({ status: "breached" }), makeDockerResponse(makeContainers([stopped])));
+			const { result } = await run(makeDockerMonitor({ status: "breached" }), makeDockerCheck(makeContainers([stopped])));
 
 			expect(result.statusChanged).toBe(false);
 			expect(result.monitor.status).toBe("breached");
 		});
 
 		it("stays up without a transition while every container is clean", async () => {
-			const { result } = await run(makeDockerMonitor(), makeDockerResponse(makeContainers([{ name: "web" }])));
+			const { result } = await run(makeDockerMonitor(), makeDockerCheck(makeContainers([{ name: "web" }])));
 
 			expect(result.statusChanged).toBe(false);
 			expect(result.monitor.status).toBe("up");
 		});
 
 		it("recovers from breached to up on the first clean check", async () => {
-			const { result } = await run(makeDockerMonitor({ status: "breached" }), makeDockerResponse(makeContainers([{ name: "web" }])));
+			const { result } = await run(makeDockerMonitor({ status: "breached" }), makeDockerCheck(makeContainers([{ name: "web" }])));
 
 			expect(result.statusChanged).toBe(true);
 			expect(result.prevStatus).toBe("breached");
@@ -1192,7 +1115,7 @@ describe("StatusService", () => {
 
 		it("recovers from breached to up when the breaching switch is turned off", async () => {
 			const monitor = makeDockerMonitor({ status: "breached", dockerAlertOnStopped: false });
-			const { result } = await run(monitor, makeDockerResponse(makeContainers([stopped])));
+			const { result } = await run(monitor, makeDockerCheck(makeContainers([stopped])));
 
 			expect(result.statusChanged).toBe(true);
 			expect(result.monitor.status).toBe("up");
@@ -1200,16 +1123,16 @@ describe("StatusService", () => {
 
 		it("does not override down with breached when the host is unreachable", async () => {
 			const monitor = makeDockerMonitor({ statusWindow: [false, false, false, false], statusWindowThreshold: 80 });
-			const response = makeDockerResponse(null, { status: false, code: 5000 });
-			const { result } = await run(monitor, response, makeCheck({ status: false }));
+			const check = makeDockerCheck(null, { status: false, statusCode: 5000 });
+			const { result } = await run(monitor, check);
 
 			expect(result.monitor.status).toBe("down");
 		});
 
 		it("transitions from breached to down when the reachability threshold trips", async () => {
 			const monitor = makeDockerMonitor({ status: "breached", statusWindow: [false, false, false, false], statusWindowThreshold: 80 });
-			const response = makeDockerResponse(null, { status: false, code: 5000 });
-			const { result } = await run(monitor, response, makeCheck({ status: false }));
+			const check = makeDockerCheck(null, { status: false, statusCode: 5000 });
+			const { result } = await run(monitor, check);
 
 			expect(result.statusChanged).toBe(true);
 			expect(result.monitor.status).toBe("down");
@@ -1217,7 +1140,7 @@ describe("StatusService", () => {
 
 		it("does not evaluate containers while the status window is short", async () => {
 			const monitor = makeDockerMonitor({ statusWindow: [true], statusWindowSize: 5 });
-			const { result } = await run(monitor, makeDockerResponse(makeContainers([stopped])));
+			const { result } = await run(monitor, makeDockerCheck(makeContainers([stopped])));
 
 			expect(result.statusChanged).toBe(false);
 			expect(result.monitor.status).toBe("up");
@@ -1225,15 +1148,15 @@ describe("StatusService", () => {
 
 		it("does not evaluate a failed check with a null payload", async () => {
 			const monitor = makeDockerMonitor({ status: "breached" });
-			const response = makeDockerResponse(null, { status: false, code: 5000 });
-			const { result } = await run(monitor, response, makeCheck({ status: false }));
+			const check = makeDockerCheck(null, { status: false, statusCode: 5000 });
+			const { result } = await run(monitor, check);
 
 			expect(result.statusChanged).toBe(false);
 			expect(result.monitor.status).toBe("breached");
 		});
 
 		it("does not touch the hardware counters or thresholdBreaches", async () => {
-			const { result, monitorsRepository } = await run(makeDockerMonitor(), makeDockerResponse(makeContainers([stopped])));
+			const { result, monitorsRepository } = await run(makeDockerMonitor(), makeDockerCheck(makeContainers([stopped])));
 
 			expect(result.thresholdBreaches).toBeUndefined();
 			const patch = (monitorsRepository.updateStatusWindowAndChecks as jest.Mock).mock.calls.at(-1)?.[6];

server/test/unit/services/workerPipeline.test.ts

@@ -64,8 +64,6 @@ const makeStatusChange = (overrides: Partial<StatusChangeResult> & { status?: st
 		monitor: { id: "m1", status } as any,
 		statusChanged: false,
 		prevStatus: "up",
-		code: 200,
-		timestamp: 0,
 		...rest,
 	} as StatusChangeResult;
 };
@@ -92,10 +90,9 @@ const createPipeline = (overrides?: Record<string, any>) => {
 		},
 		checkService: {
 			toCheck: jest.fn<any>().mockReturnValue({ id: "check-1" }),
-			toStatusResponse: jest.fn<any>().mockReturnValue({ monitorId: "m1", status: true, code: 200, message: "OK" }),
 			createChecks: jest.fn<any>().mockResolvedValue([]),
 		},
-		networkService: { requestStatus: jest.fn<any>().mockResolvedValue({ monitorId: "m1", status: true, code: 200, message: "OK" }) },
+		providerRegistry: { probe: jest.fn<any>().mockResolvedValue({ monitorId: "m1", status: true, code: 200, message: "OK" }) },
 		proxyResolver: { resolve: jest.fn<any>().mockResolvedValue(undefined) },
 		bufferService: { addToBuffer: jest.fn<any>(), addDockerLogToBuffer: jest.fn<any>() },
 		dockerLogsService: { buildDockerLogs: jest.fn<any>().mockResolvedValue([]) },
@@ -118,7 +115,7 @@ describe("WorkerPipeline", () => {
 			await pipeline.handleCheck(makeJob());
 
 			expect(deps.monitorsRepository.findByIdLean).toHaveBeenCalledWith("m1");
-			expect(deps.networkService.requestStatus).toHaveBeenCalled();
+			expect(deps.providerRegistry.probe).toHaveBeenCalled();
 			expect(deps.bufferService.addToBuffer).toHaveBeenCalledWith({ id: "check-1" });
 		});
 
@@ -128,7 +125,7 @@ describe("WorkerPipeline", () => {
 			await pipeline.handleCheck(makeJob({ refId: null }));
 
 			expect(deps.monitorsRepository.findByIdLean).not.toHaveBeenCalled();
-			expect(deps.networkService.requestStatus).not.toHaveBeenCalled();
+			expect(deps.providerRegistry.probe).not.toHaveBeenCalled();
 		});
 
 		it("does nothing when the monitor no longer exists", async () => {
@@ -138,7 +135,7 @@ describe("WorkerPipeline", () => {
 
 			await pipeline.handleCheck(makeJob());
 
-			expect(deps.networkService.requestStatus).not.toHaveBeenCalled();
+			expect(deps.providerRegistry.probe).not.toHaveBeenCalled();
 		});
 	});
 
@@ -159,7 +156,7 @@ describe("WorkerPipeline", () => {
 
 			expect(result).toBeNull();
 			expect(deps.monitorsRepository.updateById).toHaveBeenCalledWith("m1", "team", { status: "maintenance", statusWindow: [] });
-			expect(deps.networkService.requestStatus).not.toHaveBeenCalled();
+			expect(deps.providerRegistry.probe).not.toHaveBeenCalled();
 			expect(deps.bufferService.addToBuffer).not.toHaveBeenCalled();
 		});
 
@@ -188,7 +185,7 @@ describe("WorkerPipeline", () => {
 			// The exit used to be a side effect of evaluating the resulting check, which the degraded-egress
 			// short-circuit skips. Left implicit, a monitor could sit in "maintenance" for a whole egress outage.
 			expect(deps.monitorsRepository.updateById).toHaveBeenCalledWith("m1", "team", { status: "initializing" });
-			expect(deps.networkService.requestStatus).toHaveBeenCalled();
+			expect(deps.providerRegistry.probe).toHaveBeenCalled();
 		});
 
 		it("does not touch the status of a monitor that was not in maintenance", async () => {
@@ -206,12 +203,12 @@ describe("WorkerPipeline", () => {
 
 			await pipeline.produce(makeMonitor());
 
-			expect(deps.networkService.requestStatus).toHaveBeenCalled();
+			expect(deps.providerRegistry.probe).toHaveBeenCalled();
 		});
 
 		// ── proxy resolution ──────────────────────────────────────────────────
 
-		it("passes the resolved proxy url into requestStatus", async () => {
+		it("passes the resolved proxy url into probe", async () => {
 			const { pipeline, deps } = createPipeline({
 				proxyResolver: { resolve: jest.fn<any>().mockResolvedValue("http://proxy.example.com:8080") },
 			});
@@ -219,7 +216,7 @@ describe("WorkerPipeline", () => {
 
 			await pipeline.produce(monitor);
 
-			expect(deps.networkService.requestStatus).toHaveBeenCalledWith(monitor, { proxyUrl: "http://proxy.example.com:8080" });
+			expect(deps.providerRegistry.probe).toHaveBeenCalledWith(monitor, { proxyUrl: "http://proxy.example.com:8080" });
 		});
 
 		it("still produces a check when the resolver returns undefined", async () => {
@@ -228,7 +225,7 @@ describe("WorkerPipeline", () => {
 
 			const result = await pipeline.produce(monitor);
 
-			expect(deps.networkService.requestStatus).toHaveBeenCalledWith(monitor, { proxyUrl: undefined });
+			expect(deps.providerRegistry.probe).toHaveBeenCalledWith(monitor, { proxyUrl: undefined });
 			expect(result).toEqual({ status: expect.objectContaining({ monitorId: "m1" }), check: { id: "check-1" } });
 		});
 
@@ -243,7 +240,7 @@ describe("WorkerPipeline", () => {
 			await pipeline.produce(monitor);
 
 			expect(deps.monitorsRepository.findDockerTlsKeyById).toHaveBeenCalledWith("m1");
-			expect(deps.networkService.requestStatus).toHaveBeenCalledWith(monitor, { proxyUrl: undefined, dockerTlsKey: "v1.abc123.iv.tag.data" });
+			expect(deps.providerRegistry.probe).toHaveBeenCalledWith(monitor, { proxyUrl: undefined, dockerTlsKey: "v1.abc123.iv.tag.data" });
 		});
 
 		it("does not fetch a key for a docker monitor without one set", async () => {
@@ -253,7 +250,7 @@ describe("WorkerPipeline", () => {
 			await pipeline.produce(monitor);
 
 			expect(deps.monitorsRepository.findDockerTlsKeyById).not.toHaveBeenCalled();
-			expect(deps.networkService.requestStatus).toHaveBeenCalledWith(monitor, { proxyUrl: undefined, dockerTlsKey: undefined });
+			expect(deps.providerRegistry.probe).toHaveBeenCalledWith(monitor, { proxyUrl: undefined, dockerTlsKey: undefined });
 		});
 
 		it("does not fetch a key for non-docker monitors even if the flag is set", async () => {
@@ -271,14 +268,14 @@ describe("WorkerPipeline", () => {
 			await pipeline.produce(monitor);
 
 			expect(deps.monitorsRepository.findDockerTlsKeyById).toHaveBeenCalledWith("m1");
-			expect(deps.networkService.requestStatus).toHaveBeenCalledWith(monitor, { proxyUrl: undefined, dockerTlsKey: undefined });
+			expect(deps.providerRegistry.probe).toHaveBeenCalledWith(monitor, { proxyUrl: undefined, dockerTlsKey: undefined });
 		});
 
 		// ── acquire / record ──────────────────────────────────────────────────
 
 		it("throws when the network response is null", async () => {
 			const { pipeline } = createPipeline({
-				networkService: { requestStatus: jest.fn<any>().mockResolvedValue(null) },
+				providerRegistry: { probe: jest.fn<any>().mockResolvedValue(null) },
 			});
 
 			await expect(pipeline.produce(makeMonitor())).rejects.toThrow("No network response");
@@ -300,7 +297,7 @@ describe("WorkerPipeline", () => {
 			const status = { monitorId: "m1", status: false, code: 500, message: "Error" };
 			const check = { id: "check-1" };
 			const { pipeline, deps } = createPipeline({
-				networkService: { requestStatus: jest.fn<any>().mockResolvedValue(status) },
+				providerRegistry: { probe: jest.fn<any>().mockResolvedValue(status) },
 				checkService: { toCheck: jest.fn<any>().mockReturnValue(check) },
 			});
 
@@ -314,7 +311,7 @@ describe("WorkerPipeline", () => {
 			const status = { type: "docker", monitorId: "m1", teamId: "team", status: true, code: 200, message: "OK", payload: {} };
 			const dockerLogs = [{ id: "docker-log-1" }, { id: "docker-log-2" }];
 			const { pipeline, deps } = createPipeline({
-				networkService: { requestStatus: jest.fn<any>().mockResolvedValue(status) },
+				providerRegistry: { probe: jest.fn<any>().mockResolvedValue(status) },
 				dockerLogsService: { buildDockerLogs: jest.fn<any>().mockResolvedValue(dockerLogs) },
 			});
 
@@ -357,7 +354,7 @@ describe("WorkerPipeline", () => {
 			]) {
 				const check: Record<string, unknown> = { id: "check-1" };
 				const { pipeline, deps } = createPipeline({
-					networkService: { requestStatus: jest.fn<any>().mockResolvedValue(status) },
+					providerRegistry: { probe: jest.fn<any>().mockResolvedValue(status) },
 					checkService: { toCheck: jest.fn<any>().mockReturnValue(check) },
 					egressService: { assessAfterFailure: jest.fn<any>().mockResolvedValue("degraded") },
 				});
@@ -373,7 +370,7 @@ describe("WorkerPipeline", () => {
 		it("consults egress for a timeout or network error", async () => {
 			const check: Record<string, unknown> = { id: "check-1" };
 			const { pipeline, deps } = createPipeline({
-				networkService: { requestStatus: jest.fn<any>().mockResolvedValue(failingStatus) },
+				providerRegistry: { probe: jest.fn<any>().mockResolvedValue(failingStatus) },
 				checkService: { toCheck: jest.fn<any>().mockReturnValue(check) },
 				egressService: { assessAfterFailure: jest.fn<any>().mockResolvedValue("degraded") },
 			});
@@ -388,7 +385,7 @@ describe("WorkerPipeline", () => {
 			for (const url of ["unix:///var/run/docker.sock", "/var/run/docker.sock"]) {
 				const check: Record<string, unknown> = { id: "check-1" };
 				const { pipeline, deps } = createPipeline({
-					networkService: { requestStatus: jest.fn<any>().mockResolvedValue({ ...failingStatus, type: "docker" }) },
+					providerRegistry: { probe: jest.fn<any>().mockResolvedValue({ ...failingStatus, type: "docker" }) },
 					checkService: { toCheck: jest.fn<any>().mockReturnValue(check) },
 					egressService: { assessAfterFailure: jest.fn<any>().mockResolvedValue("degraded") },
 				});
@@ -409,7 +406,7 @@ describe("WorkerPipeline", () => {
 			]) {
 				const check: Record<string, unknown> = { id: "check-1" };
 				const { pipeline, deps } = createPipeline({
-					networkService: { requestStatus: jest.fn<any>().mockResolvedValue({ ...failingStatus, type: monitor.type }) },
+					providerRegistry: { probe: jest.fn<any>().mockResolvedValue({ ...failingStatus, type: monitor.type }) },
 					checkService: { toCheck: jest.fn<any>().mockReturnValue(check) },
 					egressService: { assessAfterFailure: jest.fn<any>().mockResolvedValue("degraded") },
 				});
@@ -427,7 +424,7 @@ describe("WorkerPipeline", () => {
 			// them from a connection failure.
 			const check: Record<string, unknown> = { id: "check-1" };
 			const { pipeline, deps } = createPipeline({
-				networkService: { requestStatus: jest.fn<any>().mockResolvedValue({ ...failingStatus, peerResponded: true }) },
+				providerRegistry: { probe: jest.fn<any>().mockResolvedValue({ ...failingStatus, peerResponded: true }) },
 				checkService: { toCheck: jest.fn<any>().mockReturnValue(check) },
 				egressService: { assessAfterFailure: jest.fn<any>().mockResolvedValue("degraded") },
 			});
@@ -441,7 +438,7 @@ describe("WorkerPipeline", () => {
 		it("consults egress when the provider reports that nothing answered, despite an HTTP-shaped code", async () => {
 			const check: Record<string, unknown> = { id: "check-1" };
 			const { pipeline, deps } = createPipeline({
-				networkService: { requestStatus: jest.fn<any>().mockResolvedValue({ ...failingStatus, code: 503, peerResponded: false }) },
+				providerRegistry: { probe: jest.fn<any>().mockResolvedValue({ ...failingStatus, code: 503, peerResponded: false }) },
 				checkService: { toCheck: jest.fn<any>().mockReturnValue(check) },
 				egressService: { assessAfterFailure: jest.fn<any>().mockResolvedValue("degraded") },
 			});
@@ -456,7 +453,7 @@ describe("WorkerPipeline", () => {
 		it("flags a failing check as degraded when the egress service reports degraded egress", async () => {
 			const check: Record<string, unknown> = { id: "check-1" };
 			const { pipeline, deps } = createPipeline({
-				networkService: { requestStatus: jest.fn<any>().mockResolvedValue(failingStatus) },
+				providerRegistry: { probe: jest.fn<any>().mockResolvedValue(failingStatus) },
 				checkService: { toCheck: jest.fn<any>().mockReturnValue(check) },
 				egressService: { assessAfterFailure: jest.fn<any>().mockResolvedValue("degraded") },
 			});
@@ -475,7 +472,7 @@ describe("WorkerPipeline", () => {
 
 		it("clears the status window on the first degraded check of a spell", async () => {
 			const { pipeline, deps } = createPipeline({
-				networkService: { requestStatus: jest.fn<any>().mockResolvedValue(failingStatus) },
+				providerRegistry: { probe: jest.fn<any>().mockResolvedValue(failingStatus) },
 				egressService: { assessAfterFailure: jest.fn<any>().mockResolvedValue("degraded") },
 			});
 
@@ -486,7 +483,7 @@ describe("WorkerPipeline", () => {
 
 		it("does not re-write the status window for later degraded checks in the same spell", async () => {
 			const { pipeline, deps } = createPipeline({
-				networkService: { requestStatus: jest.fn<any>().mockResolvedValue(failingStatus) },
+				providerRegistry: { probe: jest.fn<any>().mockResolvedValue(failingStatus) },
 				egressService: { assessAfterFailure: jest.fn<any>().mockResolvedValue("degraded") },
 			});
 
@@ -497,7 +494,7 @@ describe("WorkerPipeline", () => {
 
 		it("leaves the status window alone when the probe found egress fine", async () => {
 			const { pipeline, deps } = createPipeline({
-				networkService: { requestStatus: jest.fn<any>().mockResolvedValue(failingStatus) },
+				providerRegistry: { probe: jest.fn<any>().mockResolvedValue(failingStatus) },
 				egressService: { assessAfterFailure: jest.fn<any>().mockResolvedValue("ok") },
 			});
 
@@ -509,7 +506,7 @@ describe("WorkerPipeline", () => {
 		it("flags a failing check as ok when the probe found egress fine", async () => {
 			const check: Record<string, unknown> = { id: "check-1" };
 			const { pipeline } = createPipeline({
-				networkService: { requestStatus: jest.fn<any>().mockResolvedValue(failingStatus) },
+				providerRegistry: { probe: jest.fn<any>().mockResolvedValue(failingStatus) },
 				checkService: { toCheck: jest.fn<any>().mockReturnValue(check) },
 				egressService: { assessAfterFailure: jest.fn<any>().mockResolvedValue("ok") },
 			});
@@ -519,28 +516,10 @@ describe("WorkerPipeline", () => {
 			expect(check.egressStatus).toBe("ok");
 		});
 
-		it("buffers the check when the egress assessment rejects", async () => {
-			const check: Record<string, unknown> = { id: "check-1" };
-			const { pipeline, deps } = createPipeline({
-				networkService: { requestStatus: jest.fn<any>().mockResolvedValue(failingStatus) },
-				checkService: { toCheck: jest.fn<any>().mockReturnValue(check) },
-				egressService: { assessAfterFailure: jest.fn<any>().mockRejectedValue(new Error("settings unavailable")) },
-			});
-
-			const result = await pipeline.produce(makeMonitor());
-
-			expect(deps.bufferService.addToBuffer).toHaveBeenCalledWith(check);
-			expect(check).not.toHaveProperty("egressStatus");
-			expect(result).toEqual({ status: failingStatus, check });
-			expect(deps.logger.warn).toHaveBeenCalledWith(
-				expect.objectContaining({ message: expect.stringContaining("settings unavailable"), service: "WorkerPipeline", method: "assessEgress" })
-			);
-		});
-
 		it("leaves the field unset on a failing check when the egress check is disabled", async () => {
 			const check: Record<string, unknown> = { id: "check-1" };
 			const { pipeline, deps } = createPipeline({
-				networkService: { requestStatus: jest.fn<any>().mockResolvedValue(failingStatus) },
+				providerRegistry: { probe: jest.fn<any>().mockResolvedValue(failingStatus) },
 				checkService: { toCheck: jest.fn<any>().mockReturnValue(check) },
 			});
 
@@ -624,7 +603,7 @@ describe("WorkerPipeline", () => {
 		it("loads the row's pending checks, dispatches each, and pulls its id after dispatch", async () => {
 			const job = makeEvaluateJob("c1");
 			const { pipeline, deps } = createPipeline({
-				checksRepository: { findUnevaluatedByMonitorId: jest.fn<any>().mockResolvedValue([{ id: "c1" }]) },
+				checksRepository: { findUnevaluatedByMonitorId: jest.fn<any>().mockResolvedValue([makeCheck({ id: "c1" })]) },
 			});
 
 			await pipeline.handleEvaluate(job);
@@ -661,7 +640,9 @@ describe("WorkerPipeline", () => {
 		it("stops applying checks once the lease is lost so a second claimer does not double-apply", async () => {
 			const job = makeEvaluateJob("c1", "c2", "c3");
 			const { pipeline, deps } = createPipeline({
-				checksRepository: { findUnevaluatedByMonitorId: jest.fn<any>().mockResolvedValue([{ id: "c1" }, { id: "c2" }, { id: "c3" }]) },
+				checksRepository: {
+					findUnevaluatedByMonitorId: jest.fn<any>().mockResolvedValue([makeCheck({ id: "c1" }), makeCheck({ id: "c2" }), makeCheck({ id: "c3" })]),
+				},
 				jobsRepository: {
 					upsertEvaluate: jest.fn<any>(),
 					pullEvaluated: jest.fn<any>().mockResolvedValueOnce(true).mockResolvedValueOnce(false), // lease lost after c2
@@ -679,7 +660,7 @@ describe("WorkerPipeline", () => {
 		it("pulls ids whose check no longer exists so they do not sit on the row forever", async () => {
 			const job = makeEvaluateJob("c1", "c-gone");
 			const { pipeline, deps } = createPipeline({
-				checksRepository: { findUnevaluatedByMonitorId: jest.fn<any>().mockResolvedValue([{ id: "c1" }]) }, // c-gone was cleaned up
+				checksRepository: { findUnevaluatedByMonitorId: jest.fn<any>().mockResolvedValue([makeCheck({ id: "c1" })]) }, // c-gone was cleaned up
 			});
 
 			await pipeline.handleEvaluate(job);
@@ -695,7 +676,7 @@ describe("WorkerPipeline", () => {
 			const postWriteMonitor = makeMonitor({ status: "down" }); // what updateStatusWindowAndChecks would return after check c1
 			const { pipeline, deps } = createPipeline({
 				monitorsRepository: { findByIdLean: jest.fn<any>().mockResolvedValue(initialMonitor), updateById: jest.fn<any>() },
-				checksRepository: { findUnevaluatedByMonitorId: jest.fn<any>().mockResolvedValue([{ id: "c1" }, { id: "c2" }]) },
+				checksRepository: { findUnevaluatedByMonitorId: jest.fn<any>().mockResolvedValue([makeCheck({ id: "c1" }), makeCheck({ id: "c2" })]) },
 				statusService: { updateMonitorStatus: jest.fn<any>().mockResolvedValue(makeStatusChange({ monitor: postWriteMonitor })) },
 			});
 
@@ -705,103 +686,80 @@ describe("WorkerPipeline", () => {
 			expect(deps.monitorsRepository.findByIdLean).toHaveBeenCalledTimes(1);
 			expect(deps.statusService.updateMonitorStatus).toHaveBeenCalledTimes(2);
 			// First check evaluates against the freshly-read monitor; the second against the post-write monitor from the first
-			expect(deps.statusService.updateMonitorStatus.mock.calls[0][2]).toBe(initialMonitor);
-			expect(deps.statusService.updateMonitorStatus.mock.calls[1][2]).toBe(postWriteMonitor);
+			expect(deps.statusService.updateMonitorStatus.mock.calls[0][1]).toBe(initialMonitor);
+			expect(deps.statusService.updateMonitorStatus.mock.calls[1][1]).toBe(postWriteMonitor);
 		});
 	});
 
 	describe("evaluateCheck", () => {
-		it("threads status, check, and monitor through to the status service", async () => {
+		it("threads check and monitor through to the status service", async () => {
 			const { pipeline, deps } = createPipeline();
-			const status = { monitorId: "m1", status: true, code: 200, message: "OK" } as any;
-			const check = { id: "check-1" } as any;
+			const check = makeCheck({ status: true, statusCode: 200, message: "OK" });
 			const monitor = makeMonitor({ status: "up" });
 
-			await pipeline.evaluateCheck(status, check, monitor);
+			await pipeline.evaluateCheck(check, monitor);
 
-			expect(deps.statusService.updateMonitorStatus).toHaveBeenCalledWith(status, check, monitor);
+			expect(deps.statusService.updateMonitorStatus).toHaveBeenCalledWith(check, monitor);
 		});
 
 		it("returns an evaluation that opens an incident on a down transition", async () => {
-			const status = { monitorId: "m1", status: false, code: 500, message: "Error" } as any;
-			const check = { id: "check-1" } as any;
-			const statusChange = makeStatusChange({ monitor: makeMonitor({ status: "down" }), statusChanged: true, prevStatus: "up", code: 500 });
+			const check = makeCheck({ status: false, statusCode: 500, message: "Error" });
+			const statusChange = makeStatusChange({ monitor: makeMonitor({ status: "down" }), statusChanged: true, prevStatus: "up" });
 			const { pipeline } = createPipeline({
 				statusService: { updateMonitorStatus: jest.fn<any>().mockResolvedValue(statusChange) },
 			});
 
-			const result = await pipeline.evaluateCheck(status, check, makeMonitor());
+			const result = await pipeline.evaluateCheck(check, makeMonitor());
 
 			expect(result).toMatchObject({
 				monitor: statusChange.monitor,
-				status,
 				check,
-				statusChange,
-				decision: expect.objectContaining({
-					shouldCreateIncident: true,
-					shouldSendNotification: true,
-					incidentReason: "status_down",
-				}),
+				decision: { transition: "status_down" },
 			});
 		});
 
 		it("returns an evaluation that resolves an incident on recovery", async () => {
-			const status = { monitorId: "m1", status: true, code: 200, message: "OK" } as any;
 			const statusChange = makeStatusChange({ monitor: makeMonitor({ status: "up" }), statusChanged: true, prevStatus: "down" });
 			const { pipeline } = createPipeline({
 				statusService: { updateMonitorStatus: jest.fn<any>().mockResolvedValue(statusChange) },
 			});
 
-			const result = await pipeline.evaluateCheck(status, { id: "check-1" } as any, makeMonitor({ status: "down" }));
+			const result = await pipeline.evaluateCheck(makeCheck({ status: true, statusCode: 200, message: "OK" }), makeMonitor({ status: "down" }));
 
-			expect(result.decision).toMatchObject({ shouldResolveIncident: true, shouldSendNotification: true });
+			expect(result.decision).toEqual({ transition: "status_up" });
 		});
 
 		it("produces a no-op decision when status did not change", async () => {
-			const status = { monitorId: "m1", status: true, code: 200, message: "OK" } as any;
 			const { pipeline } = createPipeline();
 
-			const result = await pipeline.evaluateCheck(status, { id: "check-1" } as any, makeMonitor());
+			const result = await pipeline.evaluateCheck(makeCheck({ status: true, statusCode: 200, message: "OK" }), makeMonitor());
 
-			expect(result.decision).toMatchObject({
-				shouldCreateIncident: false,
-				shouldResolveIncident: false,
-				shouldSendNotification: false,
-			});
+			expect(result.decision).toEqual({ transition: null });
 		});
 
 		// ── degraded egress ───────────────────────────────────────────────────
 
 		it("short-circuits a check flagged with degraded egress without touching monitor status", async () => {
-			const status = { monitorId: "m1", status: false, code: 500, message: "Error" } as any;
-			const check = { id: "check-1", egressStatus: "degraded" } as any;
+			const check = makeCheck({ status: false, statusCode: 500, message: "Error", egressStatus: "degraded" });
 			const monitor = makeMonitor({ status: "up" });
 			const { pipeline, deps } = createPipeline();
 
-			const result = await pipeline.evaluateCheck(status, check, monitor);
+			const result = await pipeline.evaluateCheck(check, monitor);
 
 			expect(deps.statusService.updateMonitorStatus).not.toHaveBeenCalled();
 			expect(result.monitor).toBe(monitor);
-			expect(result.statusChange).toMatchObject({ monitor, statusChanged: false, prevStatus: "up", code: 500 });
-			expect(result.statusChange.timestamp).toEqual(expect.any(Number));
-			expect(result.decision).toEqual({
-				shouldCreateIncident: false,
-				shouldResolveIncident: false,
-				shouldSendNotification: false,
-				incidentReason: null,
-				notificationReason: null,
-			});
+			expect(result).not.toHaveProperty("statusChange");
+			expect(result.decision).toEqual({ transition: null });
 			expect(deps.logger.debug).toHaveBeenCalledWith(expect.objectContaining({ message: expect.stringContaining("egress was degraded") }));
 		});
 
 		it("evaluates a check flagged with egress ok as normal", async () => {
-			const status = { monitorId: "m1", status: false, code: 500, message: "Error" } as any;
-			const check = { id: "check-1", egressStatus: "ok" } as any;
+			const check = makeCheck({ status: false, statusCode: 500, message: "Error", egressStatus: "ok" });
 			const { pipeline, deps } = createPipeline();
 
-			await pipeline.evaluateCheck(status, check, makeMonitor());
+			await pipeline.evaluateCheck(check, makeMonitor());
 
-			expect(deps.statusService.updateMonitorStatus).toHaveBeenCalledWith(status, check, expect.anything());
+			expect(deps.statusService.updateMonitorStatus).toHaveBeenCalledWith(check, expect.anything());
 		});
 	});
 
@@ -812,68 +770,82 @@ describe("WorkerPipeline", () => {
 			const { pipeline } = createPipeline({
 				statusService: { updateMonitorStatus: jest.fn<any>().mockResolvedValue(statusChange) },
 			});
-			const result = await pipeline.evaluateCheck(
-				{ monitorId: "m1", status: true, code: 200, message: "OK" } as any,
-				{ id: "check-1" } as any,
-				makeMonitor()
-			);
+			const result = await pipeline.evaluateCheck(makeCheck({ status: true, statusCode: 200, message: "OK" }), makeMonitor());
 			return result.decision;
 		};
 
 		it("does nothing when statusChanged is false", async () => {
 			const decision = await decide(makeStatusChange({ status: "down", statusChanged: false, prevStatus: "up" }));
-			expect(decision).toEqual({
-				shouldCreateIncident: false,
-				shouldResolveIncident: false,
-				shouldSendNotification: false,
-				incidentReason: null,
-				notificationReason: null,
-			});
+			expect(decision).toEqual({ transition: null });
 		});
 
-		it("creates incident and notifies when monitor goes down", async () => {
-			const decision = await decide(makeStatusChange({ status: "down", statusChanged: true, prevStatus: "up", code: 500 }));
-			expect(decision).toMatchObject({
-				shouldCreateIncident: true,
-				shouldSendNotification: true,
-				incidentReason: "status_down",
-				notificationReason: "status_change",
-			});
+		it("reports status_down when the monitor goes down", async () => {
+			const decision = await decide(makeStatusChange({ status: "down", statusChanged: true, prevStatus: "up" }));
+			expect(decision).toEqual({ transition: "status_down" });
 		});
 
-		it("creates incident and notifies when monitor is breached", async () => {
+		it("reports threshold_breach when the monitor is breached", async () => {
 			const decision = await decide(makeStatusChange({ status: "breached", statusChanged: true, prevStatus: "up" }));
-			expect(decision).toMatchObject({
-				shouldCreateIncident: true,
-				shouldSendNotification: true,
-				incidentReason: "threshold_breach",
-				notificationReason: "threshold_breach",
-			});
+			expect(decision).toEqual({ transition: "threshold_breach" });
 		});
 
-		it("resolves incident when monitor recovers from down", async () => {
+		it("reports status_up when the monitor recovers from down", async () => {
 			const decision = await decide(makeStatusChange({ status: "up", statusChanged: true, prevStatus: "down" }));
-			expect(decision).toMatchObject({
-				shouldResolveIncident: true,
-				shouldSendNotification: true,
-				shouldCreateIncident: false,
-				notificationReason: "status_change",
-			});
+			expect(decision).toEqual({ transition: "status_up" });
 		});
 
-		it("resolves incident with threshold_resolved when monitor recovers from breached", async () => {
+		it("reports threshold_resolved when the monitor recovers from breached", async () => {
 			const decision = await decide(makeStatusChange({ status: "up", statusChanged: true, prevStatus: "breached" }));
-			expect(decision).toMatchObject({
-				shouldResolveIncident: true,
-				shouldSendNotification: true,
-				shouldCreateIncident: false,
-				notificationReason: "threshold_resolved",
-			});
+			expect(decision).toEqual({ transition: "threshold_resolved" });
 		});
 
-		it("does not create or resolve for unhandled status transitions", async () => {
+		it("reports no transition for unhandled status changes", async () => {
 			const decision = await decide(makeStatusChange({ status: "paused", statusChanged: true, prevStatus: "up" }));
-			expect(decision).toMatchObject({ shouldCreateIncident: false, shouldResolveIncident: false, shouldSendNotification: false });
+			expect(decision).toEqual({ transition: null });
+		});
+
+		it("carries the threshold breaches onto a breached decision", async () => {
+			const thresholdBreaches = { cpu: true, memory: false, disk: true, temp: false };
+			const decision = await decide(makeStatusChange({ status: "breached", statusChanged: true, prevStatus: "up", thresholdBreaches }));
+			expect(decision).toEqual({ transition: "threshold_breach", thresholdBreaches });
+		});
+
+		it("leaves threshold breaches off a down decision even when the status change carries them", async () => {
+			const thresholdBreaches = { cpu: true, memory: false, disk: false, temp: false };
+			const decision = await decide(makeStatusChange({ status: "down", statusChanged: true, prevStatus: "up", thresholdBreaches }));
+			expect(decision).not.toHaveProperty("thresholdBreaches");
+		});
+
+		it("leaves threshold breaches off a no-op decision", async () => {
+			const thresholdBreaches = { cpu: true, memory: false, disk: false, temp: false };
+			const decision = await decide(makeStatusChange({ status: "breached", statusChanged: false, prevStatus: "breached", thresholdBreaches }));
+			expect(decision).not.toHaveProperty("thresholdBreaches");
+		});
+
+		// StatusService only sets thresholdBreaches for hardware monitors; a docker breach must not leave the key behind holding undefined.
+		it("leaves threshold breaches off a breached decision when the status change carries none", async () => {
+			const decision = await decide(makeStatusChange({ status: "breached", statusChanged: true, prevStatus: "up" }));
+			expect(decision).toEqual({ transition: "threshold_breach" });
+		});
+
+		// A transition must not leak into the next decision the same pipeline makes, whether that is a no-op
+		// evaluation or a degraded-egress short-circuit.
+		it("starts every decision clean after a transition on the same pipeline", async () => {
+			const updateMonitorStatus = jest
+				.fn<any>()
+				.mockResolvedValueOnce(makeStatusChange({ status: "down", statusChanged: true, prevStatus: "up" }))
+				.mockResolvedValueOnce(makeStatusChange({ status: "down", statusChanged: false, prevStatus: "down" }));
+			const { pipeline } = createPipeline({ statusService: { updateMonitorStatus } });
+			const failing = makeCheck({ status: false, statusCode: 500, message: "Error" });
+
+			const first = await pipeline.evaluateCheck(failing, makeMonitor());
+			const second = await pipeline.evaluateCheck(failing, makeMonitor({ status: "down" }));
+			const degraded = await pipeline.evaluateCheck(makeCheck({ ...failing, egressStatus: "degraded" }), makeMonitor({ status: "down" }));
+
+			expect(first.decision).toEqual({ transition: "status_down" });
+			const clean = { transition: null };
+			expect(second.decision).toEqual(clean);
+			expect(degraded.decision).toEqual(clean);
 		});
 	});
 });