add remaining zh-tw strings

fix: restructure and translate all i18n locale files

.gitignore

@@ -3,8 +3,10 @@
 .VSCodeCounter
 *.sh
 mongo
+timescaledb
 node_modules/
 docs/architecture
 docs/reviews
 docs/todo
-docs/frontend
+docs/frontend
+docs/timescale

README.md

@@ -48,6 +48,10 @@ You can see the latest build of [Checkmate](https://checkmate-demo.bluewavelabs.
 
 Usage instructions can be found [here](https://checkmate.so/docs). 
 
+## Prerequisites
+- [Docker](https://www.docker.com/) installed
+- [Git](https://git-scm.com/) installed
+
 ## Installation
 
 See installation instructions in [Checkmate documentation portal](https://checkmate.so/docs). 
@@ -80,7 +84,7 @@ You can see the memory footprint of MongoDB and Redis on the same server (398Mb
 If you have any questions, suggestions or comments, you have several options: 
 
 - [Discord channel](https://discord.gg/NAb6H3UTjK) (preferred)
-- [GitHub Discussions](https://github.com/bluewave-labs/bluewave-uptime/discussions) (we check here from time to time)
+- [GitHub Discussions](https://github.com/bluewave-labs/Checkmate/discussions) (we check here from time to time)
 
 Feel free to ask questions or share your ideas - we'd love to hear from you!
 
@@ -167,7 +171,7 @@ Here's how you can contribute:
   <img src="https://contrib.rocks/image?repo=bluewave-labs/checkmate" />
 </a>
 
-[![Star History Chart](https://api.star-history.com/svg?repos=bluewave-labs/checkmate&type=Date)](https://star-history.com/#bluewave-labs/bluewave-uptime&Date)
+[![Star History Chart](https://api.star-history.com/svg?repos=bluewave-labs/checkmate&type=Date)](https://star-history.com/#bluewave-labs/Checkmate&Date)
 
 ## Our sponsors
 

client/scripts/migrate-locales.ts

@@ -0,0 +1,258 @@
+/**
+ * Locale Migration Script
+ *
+ * Restructures all non-English locale files to match en.json's nested key structure.
+ * Recovers translations via safe key-matching strategies, uses English placeholders
+ * for unmatched keys.
+ *
+ * Usage: npx tsx client/scripts/migrate-locales.ts
+ *
+ * SAFETY: en.json is NEVER modified. Originals are backed up before overwriting.
+ */
+
+import fs from "fs";
+import path from "path";
+
+const LOCALES_DIR = path.resolve(import.meta.dirname, "../src/locales");
+const BACKUP_DIR = path.join(LOCALES_DIR, "backup");
+const REPORT_PATH = path.join(LOCALES_DIR, "migration-report.json");
+
+// ── Helpers ──────────────────────────────────────────────────────────────────
+
+/** Flatten a nested object into { "a.b.c": value } pairs */
+function flattenKeys(obj: Record<string, unknown>, prefix = ""): Record<string, string> {
+	const result: Record<string, string> = {};
+	for (const [key, value] of Object.entries(obj)) {
+		const fullPath = prefix ? `${prefix}.${key}` : key;
+		if (typeof value === "object" && value !== null && !Array.isArray(value)) {
+			Object.assign(result, flattenKeys(value as Record<string, unknown>, fullPath));
+		} else {
+			result[fullPath] = String(value);
+		}
+	}
+	return result;
+}
+
+/** Set a value at a dot-separated path in a nested object */
+function setNestedValue(
+	obj: Record<string, unknown>,
+	keyPath: string,
+	value: string
+): void {
+	const parts = keyPath.split(".");
+	let current = obj;
+	for (let i = 0; i < parts.length - 1; i++) {
+		const part = parts[i];
+		if (!(part in current) || typeof current[part] !== "object") {
+			current[part] = {};
+		}
+		current = current[part] as Record<string, unknown>;
+	}
+	current[parts[parts.length - 1]] = value;
+}
+
+// ── Build mapping indexes from en.json ───────────────────────────────────────
+
+function buildIndexes(enFlat: Record<string, string>) {
+	const enKeys = Object.keys(enFlat);
+
+	// last segment -> en key paths
+	const lastSegIndex: Record<string, string[]> = {};
+	// last 2 segments -> en key paths
+	const suffixIndex: Record<string, string[]> = {};
+
+	for (const keyPath of enKeys) {
+		const parts = keyPath.split(".");
+		const lastSeg = parts[parts.length - 1].toLowerCase();
+		if (!lastSegIndex[lastSeg]) lastSegIndex[lastSeg] = [];
+		lastSegIndex[lastSeg].push(keyPath);
+
+		if (parts.length >= 2) {
+			const suffix = parts.slice(-2).join(".").toLowerCase();
+			if (!suffixIndex[suffix]) suffixIndex[suffix] = [];
+			suffixIndex[suffix].push(keyPath);
+		}
+	}
+
+	return { lastSegIndex, suffixIndex };
+}
+
+// ── Mapping logic ────────────────────────────────────────────────────────────
+
+type MatchStrategy = "exact" | "suffix-2" | "unique-name" | "english-placeholder";
+
+interface KeyMatch {
+	enKey: string;
+	value: string;
+	strategy: MatchStrategy;
+}
+
+function buildMigratedLocale(
+	enFlat: Record<string, string>,
+	langFlat: Record<string, string>,
+	indexes: ReturnType<typeof buildIndexes>
+): { matches: KeyMatch[]; result: Record<string, unknown> } {
+	const { lastSegIndex, suffixIndex } = indexes;
+	const matches: KeyMatch[] = [];
+	const result: Record<string, unknown> = {};
+
+	// Build reverse lookup: for each orphan key in lang, index by last segment and suffix
+	const langByLastSeg: Record<string, { key: string; value: string }[]> = {};
+	const langBySuffix: Record<string, { key: string; value: string }[]> = {};
+
+	for (const [langKey, langValue] of Object.entries(langFlat)) {
+		const parts = langKey.split(".");
+		const lastSeg = parts[parts.length - 1].toLowerCase();
+		if (!langByLastSeg[lastSeg]) langByLastSeg[lastSeg] = [];
+		langByLastSeg[lastSeg].push({ key: langKey, value: langValue });
+
+		if (parts.length >= 2) {
+			const suffix = parts.slice(-2).join(".").toLowerCase();
+			if (!langBySuffix[suffix]) langBySuffix[suffix] = [];
+			langBySuffix[suffix].push({ key: langKey, value: langValue });
+		}
+	}
+
+	for (const enKey of Object.keys(enFlat)) {
+		const enValue = enFlat[enKey];
+		const parts = enKey.split(".");
+		const lastSeg = parts[parts.length - 1].toLowerCase();
+		const suffix = parts.length >= 2 ? parts.slice(-2).join(".").toLowerCase() : null;
+
+		// Strategy 1: Exact path match
+		if (langFlat[enKey] !== undefined) {
+			const value = langFlat[enKey];
+			setNestedValue(result, enKey, value);
+			matches.push({ enKey, value, strategy: "exact" });
+			continue;
+		}
+
+		// Strategy 2: 2-segment suffix match (lang key suffix matches en key suffix, both unique)
+		if (suffix) {
+			const enCandidates = suffixIndex[suffix];
+			const langCandidates = langBySuffix[suffix];
+			if (
+				enCandidates &&
+				enCandidates.length === 1 &&
+				langCandidates &&
+				langCandidates.length === 1
+			) {
+				const value = langCandidates[0].value;
+				setNestedValue(result, enKey, value);
+				matches.push({ enKey, value, strategy: "suffix-2" });
+				continue;
+			}
+		}
+
+		// Strategy 3: Unique last-segment match
+		const enCandidates = lastSegIndex[lastSeg];
+		const langCandidates = langByLastSeg[lastSeg];
+		if (
+			enCandidates &&
+			enCandidates.length === 1 &&
+			langCandidates &&
+			langCandidates.length === 1
+		) {
+			const value = langCandidates[0].value;
+			setNestedValue(result, enKey, value);
+			matches.push({ enKey, value, strategy: "unique-name" });
+			continue;
+		}
+
+		// No match — use English placeholder
+		setNestedValue(result, enKey, enValue);
+		matches.push({ enKey, value: enValue, strategy: "english-placeholder" });
+	}
+
+	return { matches, result };
+}
+
+// ── Main ─────────────────────────────────────────────────────────────────────
+
+function main() {
+	// Load en.json
+	const enPath = path.join(LOCALES_DIR, "en.json");
+	const en = JSON.parse(fs.readFileSync(enPath, "utf8"));
+	const enFlat = flattenKeys(en);
+	const enKeyCount = Object.keys(enFlat).length;
+	const indexes = buildIndexes(enFlat);
+
+	console.log(`English: ${enKeyCount} keys (source of truth — NOT modified)\n`);
+
+	// Find all non-English locale files
+	const localeFiles = fs
+		.readdirSync(LOCALES_DIR)
+		.filter(
+			(f: string) =>
+				f.endsWith(".json") && f !== "en.json" && f !== "migration-report.json"
+		);
+
+	if (localeFiles.length === 0) {
+		console.log("No locale files to migrate.");
+		return;
+	}
+
+	// Create backup directory
+	if (!fs.existsSync(BACKUP_DIR)) {
+		fs.mkdirSync(BACKUP_DIR, { recursive: true });
+	}
+
+	const report: Record<
+		string,
+		{
+			total: number;
+			exact: number;
+			suffix: number;
+			uniqueName: number;
+			placeholder: number;
+		}
+	> = {};
+
+	for (const file of localeFiles) {
+		const lang = file.replace(".json", "");
+		const filePath = path.join(LOCALES_DIR, file);
+
+		// Backup original
+		const backupPath = path.join(BACKUP_DIR, file);
+		fs.copyFileSync(filePath, backupPath);
+
+		// Load and flatten
+		const langData = JSON.parse(fs.readFileSync(filePath, "utf8"));
+		const langFlat = flattenKeys(langData);
+
+		// Migrate
+		const { matches, result } = buildMigratedLocale(enFlat, langFlat, indexes);
+
+		// Write migrated file
+		fs.writeFileSync(filePath, JSON.stringify(result, null, "\t") + "\n", "utf8");
+
+		// Compute stats
+		const stats = {
+			total: enKeyCount,
+			exact: matches.filter((m) => m.strategy === "exact").length,
+			suffix: matches.filter((m) => m.strategy === "suffix-2").length,
+			uniqueName: matches.filter((m) => m.strategy === "unique-name").length,
+			placeholder: matches.filter((m) => m.strategy === "english-placeholder").length,
+		};
+		report[lang] = stats;
+
+		const translated = stats.exact + stats.suffix + stats.uniqueName;
+		const pct = ((translated / enKeyCount) * 100).toFixed(1);
+		console.log(
+			`${lang.padEnd(8)} ${String(translated).padStart(4)} translated (${pct}%)  |  ` +
+				`exact: ${stats.exact}  suffix: ${stats.suffix}  name: ${stats.uniqueName}  ` +
+				`placeholder: ${stats.placeholder}`
+		);
+	}
+
+	// Write report
+	fs.writeFileSync(REPORT_PATH, JSON.stringify(report, null, "\t") + "\n", "utf8");
+
+	const totalLangs = localeFiles.length;
+	console.log(
+		`\nMigrated ${totalLangs} locale files. Originals backed up to locales/backup/`
+	);
+	console.log(`Report written to ${REPORT_PATH}`);
+}
+
+main();

client/src/Hooks/useNotificationForm.ts

@@ -1,28 +1,76 @@
 import { useMemo } from "react";
 import { notificationSchema } from "@/Validation/notifications";
+import type { NotificationFormData } from "@/Validation/notifications";
 import type { Notification } from "@/Types/Notification";
 
 interface UseNotificationFormOptions {
 	data?: Notification | null;
 }
 
+function buildDefaults(data: Notification | null): NotificationFormData {
+	if (data?.type === "matrix") {
+		return {
+			type: "matrix",
+			notificationName: data.notificationName || "",
+			homeserverUrl: data.homeserverUrl || "",
+			roomId: data.roomId || "",
+			accessToken: data.accessToken || "",
+		};
+	}
+	if (data?.type === "telegram") {
+		return {
+			type: "telegram",
+			notificationName: data.notificationName || "",
+			address: data.address || "",
+			accessToken: data.accessToken || "",
+		};
+	}
+	if (data?.type === "slack") {
+		return {
+			type: "slack",
+			notificationName: data.notificationName || "",
+			address: data.address || "",
+		};
+	}
+	if (data?.type === "discord") {
+		return {
+			type: "discord",
+			notificationName: data.notificationName || "",
+			address: data.address || "",
+		};
+	}
+	if (data?.type === "webhook") {
+		return {
+			type: "webhook",
+			notificationName: data.notificationName || "",
+			address: data.address || "",
+		};
+	}
+	if (data?.type === "pager_duty") {
+		return {
+			type: "pager_duty",
+			notificationName: data.notificationName || "",
+			address: data.address || "",
+		};
+	}
+	if (data?.type === "teams") {
+		return {
+			type: "teams",
+			notificationName: data.notificationName || "",
+			address: data.address || "",
+		};
+	}
+	// Default: email (covers both data === null and data.type === "email")
+	return {
+		type: "email",
+		notificationName: data?.notificationName || "",
+		address: data?.address || "",
+	};
+}
+
 export const useNotificationForm = ({ data = null }: UseNotificationFormOptions = {}) => {
 	return useMemo(() => {
-		const defaults =
-			data?.type === "matrix"
-				? {
-						type: "matrix" as const,
-						notificationName: data.notificationName || "",
-						homeserverUrl: data.homeserverUrl || "",
-						roomId: data.roomId || "",
-						accessToken: data.accessToken || "",
-					}
-				: {
-						type: (data?.type || "email") as Exclude<Notification["type"], "matrix">,
-						notificationName: data?.notificationName || "",
-						address: data?.address || "",
-					};
-
+		const defaults = buildDefaults(data);
 		return { schema: notificationSchema, defaults };
 	}, [data]);
 };

client/src/Pages/Notifications/create/index.tsx

@@ -147,7 +147,7 @@ const NotificationsCreatePage = () => {
 					/>
 				}
 			/>
-			{watchedType !== "matrix" && (
+			{watchedType !== "matrix" && watchedType !== "telegram" && (
 				<ConfigBox
 					title={addressConfig.title}
 					subtitle={addressConfig.description}
@@ -155,7 +155,7 @@ const NotificationsCreatePage = () => {
 						<Controller
 							name="address"
 							control={control}
-							defaultValue={defaults.address}
+							defaultValue={"address" in defaults ? defaults.address : ""}
 							render={({ field, fieldState }) => (
 								<TextField
 									{...field}
@@ -171,6 +171,49 @@ const NotificationsCreatePage = () => {
 					}
 				/>
 			)}
+			{watchedType === "telegram" && (
+				<ConfigBox
+					title={t("pages.notifications.form.telegram.title")}
+					subtitle={t("pages.notifications.form.telegram.description")}
+					rightContent={
+						<Stack spacing={theme.spacing(8)}>
+							<Controller
+								name="accessToken"
+								control={control}
+								defaultValue={"accessToken" in defaults ? defaults.accessToken : ""}
+								render={({ field, fieldState }) => (
+									<TextField
+										{...field}
+										type="text"
+										fieldLabel={t("pages.notifications.form.telegram.optionBotToken")}
+										placeholder={t(
+											"pages.notifications.form.telegram.placeholderBotToken"
+										)}
+										fullWidth
+										error={!!fieldState.error}
+										helperText={fieldState.error?.message ?? ""}
+									/>
+								)}
+							/>
+							<Controller
+								name="address"
+								control={control}
+								render={({ field, fieldState }) => (
+									<TextField
+										{...field}
+										type="text"
+										fieldLabel={t("pages.notifications.form.telegram.optionChatId")}
+										placeholder={t("pages.notifications.form.telegram.placeholderChatId")}
+										fullWidth
+										error={!!fieldState.error}
+										helperText={fieldState.error?.message ?? ""}
+									/>
+								)}
+							/>
+						</Stack>
+					}
+				/>
+			)}
 			{watchedType === "matrix" && (
 				<ConfigBox
 					title={t("pages.notifications.form.matrix.title")}
@@ -180,7 +223,7 @@ const NotificationsCreatePage = () => {
 							<Controller
 								name="homeserverUrl"
 								control={control}
-								defaultValue={defaults.homeserverUrl}
+								defaultValue={"homeserverUrl" in defaults ? defaults.homeserverUrl : ""}
 								render={({ field, fieldState }) => (
 									<TextField
 										{...field}
@@ -196,7 +239,7 @@ const NotificationsCreatePage = () => {
 							<Controller
 								name="roomId"
 								control={control}
-								defaultValue={defaults.roomId}
+								defaultValue={"roomId" in defaults ? defaults.roomId : ""}
 								render={({ field, fieldState }) => (
 									<TextField
 										{...field}
@@ -212,7 +255,7 @@ const NotificationsCreatePage = () => {
 							<Controller
 								name="accessToken"
 								control={control}
-								defaultValue={defaults.accessToken}
+								defaultValue={"accessToken" in defaults ? defaults.accessToken : ""}
 								render={({ field, fieldState }) => (
 									<TextField
 										{...field}

client/src/Types/Notification.ts

@@ -6,6 +6,7 @@ export const NotificationChannels = [
 	"pager_duty",
 	"matrix",
 	"teams",
+	"telegram",
 ] as const;
 export type NotificationChannel = (typeof NotificationChannels)[number];
 

client/src/Validation/notifications.ts

@@ -50,6 +50,12 @@ const teamsSchema = baseSchema.extend({
 	address: z.string().min(1, "Webhook URL is required").url("Please enter a valid URL"),
 });
 
+const telegramSchema = baseSchema.extend({
+	type: z.literal("telegram"),
+	address: z.string().min(1, "Chat ID is required"),
+	accessToken: z.string().min(1, "Bot token is required"),
+});
+
 export const notificationSchema = z.discriminatedUnion("type", [
 	emailSchema,
 	slackSchema,
@@ -58,6 +64,7 @@ export const notificationSchema = z.discriminatedUnion("type", [
 	pagerDutySchema,
 	matrixSchema,
 	teamsSchema,
+	telegramSchema,
 ]);
 
 export type NotificationFormData = z.infer<typeof notificationSchema>;

client/src/locales/en.json

@@ -951,6 +951,14 @@
 					"description": "Select the type of notification channel to create.",
 					"optionType": "Type",
 					"title": "Channel type"
+				},
+				"telegram": {
+					"title": "Telegram configuration",
+					"description": "Configure your Telegram bot to send notifications.",
+					"optionBotToken": "Bot token",
+					"placeholderBotToken": "123456789:ABCdefGhIJKlmNoPQRsTUVwxyZ",
+					"optionChatId": "Chat ID",
+					"placeholderChatId": "-1001234567890"
 				}
 			},
 			"table": {

server/package-lock.json

@@ -37,10 +37,11 @@
 				"mongoose": "^8.3.3",
 				"multer": "^1.4.5-lts.1",
 				"nodemailer": "8.0.1",
+				"pg": "8.20.0",
 				"ping": "0.4.4",
 				"sharp": "0.33.5",
 				"ssl-checker": "2.0.10",
-				"super-simple-scheduler": "1.4.5",
+				"super-simple-scheduler": "1.9.1",
 				"swagger-ui-express": "5.0.1",
 				"winston": "^3.13.0",
 				"ws": "^8.19.0",
@@ -62,6 +63,7 @@
 				"@types/multer": "^2.0.0",
 				"@types/nodemailer": "7.0.1",
 				"@types/papaparse": "^5.5.2",
+				"@types/pg": "8.20.0",
 				"@types/ping": "0.4.4",
 				"@types/swagger-ui-express": "4.1.8",
 				"@types/ws": "^8.18.1",
@@ -799,40 +801,20 @@
 			}
 		},
 		"node_modules/@aws-sdk/xml-builder": {
-			"version": "3.972.10",
-			"resolved": "https://registry.npmjs.org/@aws-sdk/xml-builder/-/xml-builder-3.972.10.tgz",
-			"integrity": "sha512-OnejAIVD+CxzyAUrVic7lG+3QRltyja9LoNqCE/1YVs8ichoTbJlVSaZ9iSMcnHLyzrSNtvaOGjSDRP+d/ouFA==",
+			"version": "3.972.16",
+			"resolved": "https://registry.npmjs.org/@aws-sdk/xml-builder/-/xml-builder-3.972.16.tgz",
+			"integrity": "sha512-iu2pyvaqmeatIJLURLqx9D+4jKAdTH20ntzB6BFwjyN7V960r4jK32mx0Zf7YbtOYAbmbtQfDNuL60ONinyw7A==",
 			"dev": true,
 			"license": "Apache-2.0",
 			"dependencies": {
-				"@smithy/types": "^4.13.0",
-				"fast-xml-parser": "5.4.1",
+				"@smithy/types": "^4.13.1",
+				"fast-xml-parser": "5.5.8",
 				"tslib": "^2.6.2"
 			},
 			"engines": {
 				"node": ">=20.0.0"
 			}
 		},
-		"node_modules/@aws-sdk/xml-builder/node_modules/fast-xml-parser": {
-			"version": "5.4.1",
-			"resolved": "https://registry.npmjs.org/fast-xml-parser/-/fast-xml-parser-5.4.1.tgz",
-			"integrity": "sha512-BQ30U1mKkvXQXXkAGcuyUA/GA26oEB7NzOtsxCDtyu62sjGw5QraKFhx2Em3WQNjPw9PG6MQ9yuIIgkSDfGu5A==",
-			"dev": true,
-			"funding": [
-				{
-					"type": "github",
-					"url": "https://github.com/sponsors/NaturalIntelligence"
-				}
-			],
-			"license": "MIT",
-			"dependencies": {
-				"fast-xml-builder": "^1.0.0",
-				"strnum": "^2.1.2"
-			},
-			"bin": {
-				"fxparser": "src/cli/cli.js"
-			}
-		},
 		"node_modules/@aws/lambda-invoke-store": {
 			"version": "0.2.3",
 			"resolved": "https://registry.npmjs.org/@aws/lambda-invoke-store/-/lambda-invoke-store-0.2.3.tgz",
@@ -873,6 +855,7 @@
 			"integrity": "sha512-H3mcG6ZDLTlYfaSNi0iOKkigqMFvkTKlGUYlD8GW7nNOYRrevuA46iTypPyv+06V3fEmvvazfntkBU34L0azAw==",
 			"dev": true,
 			"license": "MIT",
+			"peer": true,
 			"dependencies": {
 				"@babel/code-frame": "^7.28.6",
 				"@babel/generator": "^7.28.6",
@@ -1502,6 +1485,7 @@
 				}
 			],
 			"license": "MIT",
+			"peer": true,
 			"engines": {
 				"node": ">=18"
 			},
@@ -1546,6 +1530,7 @@
 				}
 			],
 			"license": "MIT",
+			"peer": true,
 			"engines": {
 				"node": ">=18"
 			}
@@ -3850,9 +3835,9 @@
 			}
 		},
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+		},
 		"node_modules/picocolors": {
 			"version": "1.1.1",
 			"resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.1.1.tgz",
@@ -12365,9 +12501,9 @@
 			"license": "ISC"
 		},
 		"node_modules/picomatch": {
-			"version": "2.3.1",
-			"resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
-			"integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+			"version": "2.3.2",
+			"resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.2.tgz",
+			"integrity": "sha512-V7+vQEJ06Z+c5tSye8S+nHUfI51xoXIXjHQ99cQtKUkQqqO1kO/KCJUfZXuB47h/YBlDhah2H3hdUGXn8ie0oA==",
 			"license": "MIT",
 			"engines": {
 				"node": ">=8.6"
@@ -12509,6 +12645,7 @@
 				}
 			],
 			"license": "MIT",
+			"peer": true,
 			"dependencies": {
 				"nanoid": "^3.3.11",
 				"picocolors": "^1.1.1",
@@ -12982,6 +13119,45 @@
 			"integrity": "sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==",
 			"license": "MIT"
 		},
+		"node_modules/postgres-array": {
+			"version": "2.0.0",
+			"resolved": "https://registry.npmjs.org/postgres-array/-/postgres-array-2.0.0.tgz",
+			"integrity": "sha512-VpZrUqU5A69eQyW2c5CA1jtLecCsN2U/bD6VilrFDWq5+5UIEVO7nazS3TEcHf1zuPYO/sqGvUvW62g86RXZuA==",
+			"license": "MIT",
+			"engines": {
+				"node": ">=4"
+			}
+		},
+		"node_modules/postgres-bytea": {
+			"version": "1.0.1",
+			"resolved": "https://registry.npmjs.org/postgres-bytea/-/postgres-bytea-1.0.1.tgz",
+			"integrity": "sha512-5+5HqXnsZPE65IJZSMkZtURARZelel2oXUEO8rH83VS/hxH5vv1uHquPg5wZs8yMAfdv971IU+kcPUczi7NVBQ==",
+			"license": "MIT",
+			"engines": {
+				"node": ">=0.10.0"
+			}
+		},
+		"node_modules/postgres-date": {
+			"version": "1.0.7",
+			"resolved": "https://registry.npmjs.org/postgres-date/-/postgres-date-1.0.7.tgz",
+			"integrity": "sha512-suDmjLVQg78nMK2UZ454hAG+OAW+HQPZ6n++TNDUX+L0+uUlLywnoxJKDou51Zm+zTCjrCl0Nq6J9C5hP9vK/Q==",
+			"license": "MIT",
+			"engines": {
+				"node": ">=0.10.0"
+			}
+		},
+		"node_modules/postgres-interval": {
+			"version": "1.2.0",
+			"resolved": "https://registry.npmjs.org/postgres-interval/-/postgres-interval-1.2.0.tgz",
+			"integrity": "sha512-9ZhXKM/rw350N1ovuWHbGxnGh/SNJ4cnxHiM0rxE4VN41wsg8P8zWn9hv/buK00RP4WvlOyr/RBDiptyxVbkZQ==",
+			"license": "MIT",
+			"dependencies": {
+				"xtend": "^4.0.0"
+			},
+			"engines": {
+				"node": ">=0.10.0"
+			}
+		},
 		"node_modules/posthtml": {
 			"version": "0.16.7",
 			"resolved": "https://registry.npmjs.org/posthtml/-/posthtml-0.16.7.tgz",
@@ -14027,6 +14203,15 @@
 			"integrity": "sha512-Q5thBSxp5t8WPTTJQS59LrGqOZqOsrhDGDVm8azCqIBjSBd7nd9o2PM+mDulQQkh8h//4U6hFZnc/mul8t5pWQ==",
 			"license": "ISC"
 		},
+		"node_modules/split2": {
+			"version": "4.2.0",
+			"resolved": "https://registry.npmjs.org/split2/-/split2-4.2.0.tgz",
+			"integrity": "sha512-UcjcJOWknrNkF6PLX83qcHM6KHgVKNkV62Y8a5uYDVv9ydGQVwAHMKqHdJje1VTWpljG0WYpCDhrCdAOYH4TWg==",
+			"license": "ISC",
+			"engines": {
+				"node": ">= 10.x"
+			}
+		},
 		"node_modules/sprintf-js": {
 			"version": "1.0.3",
 			"resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
@@ -14344,9 +14529,9 @@
 			}
 		},
 		"node_modules/strnum": {
-			"version": "2.2.0",
-			"resolved": "https://registry.npmjs.org/strnum/-/strnum-2.2.0.tgz",
-			"integrity": "sha512-Y7Bj8XyJxnPAORMZj/xltsfo55uOiyHcU2tnAVzHUnSJR/KsEX+9RoDeXEnsXtl/CX4fAcrt64gZ13aGaWPeBg==",
+			"version": "2.2.2",
+			"resolved": "https://registry.npmjs.org/strnum/-/strnum-2.2.2.tgz",
+			"integrity": "sha512-DnR90I+jtXNSTXWdwrEy9FakW7UX+qUZg28gj5fk2vxxl7uS/3bpI4fjFYVmdK9etptYBPNkpahuQnEwhwECqA==",
 			"dev": true,
 			"funding": [
 				{
@@ -14373,25 +14558,12 @@
 			}
 		},
 		"node_modules/super-simple-scheduler": {
-			"version": "1.4.5",
-			"resolved": "https://registry.npmjs.org/super-simple-scheduler/-/super-simple-scheduler-1.4.5.tgz",
-			"integrity": "sha512-xHR3a+pLywY7HtwjWj/+OaANdEwAieQhckC/i0s6OoHtVJQ4+VLO1VfkKUbxp+oSROGXcaZet8PTGONVdKNUUw==",
+			"version": "1.9.1",
+			"resolved": "https://registry.npmjs.org/super-simple-scheduler/-/super-simple-scheduler-1.9.1.tgz",
+			"integrity": "sha512-JSiEQLk7MsnlSkJ87uoyFKIseG2N27ikB0FSxlh25nnQHWC7R5Lrd0VcoLpwSBanyLzlAslhK4W2rQ0mCU8jCQ==",
 			"license": "MIT",
 			"dependencies": {
-				"uuid": "11.1.0",
-				"winston": "3.17.0"
-			}
-		},
-		"node_modules/super-simple-scheduler/node_modules/is-stream": {
-			"version": "2.0.1",
-			"resolved": "https://registry.npmjs.org/is-stream/-/is-stream-2.0.1.tgz",
-			"integrity": "sha512-hFoiJiTl63nn+kstHGBtewWSKnQLpyb155KHheA1l39uvtO9nWIop1p3udqPcUd/xbF1VLMO4n7OI6p7RbngDg==",
-			"license": "MIT",
-			"engines": {
-				"node": ">=8"
-			},
-			"funding": {
-				"url": "https://github.com/sponsors/sindresorhus"
+				"uuid": "11.1.0"
 			}
 		},
 		"node_modules/super-simple-scheduler/node_modules/uuid": {
@@ -14407,28 +14579,6 @@
 				"uuid": "dist/esm/bin/uuid"
 			}
 		},
-		"node_modules/super-simple-scheduler/node_modules/winston": {
-			"version": "3.17.0",
-			"resolved": "https://registry.npmjs.org/winston/-/winston-3.17.0.tgz",
-			"integrity": "sha512-DLiFIXYC5fMPxaRg832S6F5mJYvePtmO5G9v9IgUFPhXm9/GkXarH/TUrBAVzhTCzAj9anE/+GjrgXp/54nOgw==",
-			"license": "MIT",
-			"dependencies": {
-				"@colors/colors": "^1.6.0",
-				"@dabh/diagnostics": "^2.0.2",
-				"async": "^3.2.3",
-				"is-stream": "^2.0.0",
-				"logform": "^2.7.0",
-				"one-time": "^1.0.0",
-				"readable-stream": "^3.4.0",
-				"safe-stable-stringify": "^2.3.1",
-				"stack-trace": "0.0.x",
-				"triple-beam": "^1.3.0",
-				"winston-transport": "^4.9.0"
-			},
-			"engines": {
-				"node": ">= 12.0.0"
-			}
-		},
 		"node_modules/supports-color": {
 			"version": "7.2.0",
 			"resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
@@ -14532,9 +14682,9 @@
 			}
 		},
 		"node_modules/test-exclude/node_modules/brace-expansion": {
-			"version": "2.0.2",
-			"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.2.tgz",
-			"integrity": "sha512-Jt0vHyM+jmUBqojB7E1NIYadt0vI0Qxjxd2TErW94wDz+E2LAm5vKMXXwg6ZZBTHPuUlDgQHKXvjGBdfcF1ZDQ==",
+			"version": "2.0.3",
+			"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.3.tgz",
+			"integrity": "sha512-MCV/fYJEbqx68aE58kv2cA/kiky1G8vux3OR6/jbS+jIMe/6fJWa0DTzJU7dqijOWYwHi1t29FlfYI9uytqlpA==",
 			"dev": true,
 			"license": "MIT",
 			"dependencies": {
@@ -14599,11 +14749,12 @@
 			}
 		},
 		"node_modules/tinyglobby/node_modules/picomatch": {
-			"version": "4.0.3",
-			"resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.3.tgz",
-			"integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
+			"version": "4.0.4",
+			"resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.4.tgz",
+			"integrity": "sha512-QP88BAKvMam/3NxH6vj2o21R6MjxZUAd6nlwAS/pnGvN9IVLocLHxGYIzFhg6fUQ+5th6P4dv4eW9jX3DSIj7A==",
 			"dev": true,
 			"license": "MIT",
+			"peer": true,
 			"engines": {
 				"node": ">=12"
 			},
@@ -14772,6 +14923,7 @@
 			"integrity": "sha512-f0FFpIdcHgn8zcPSbf1dRevwt047YMnaiJM3u2w2RewrB+fob/zePZcrOyQoLMMO7aBIddLcQIEK5dYjkLnGrQ==",
 			"dev": true,
 			"license": "MIT",
+			"peer": true,
 			"dependencies": {
 				"@cspotcode/source-map-support": "^0.8.0",
 				"@tsconfig/node10": "^1.0.7",
@@ -14934,6 +15086,7 @@
 			"integrity": "sha512-CWBzXQrc/qOkhidw1OzBTQuYRbfyxDXJMVJ1XNwUHGROVmuaeiEm3OslpZ1RV96d7SKKjZKrSJu3+t/xlw3R9A==",
 			"devOptional": true,
 			"license": "Apache-2.0",
+			"peer": true,
 			"bin": {
 				"tsc": "bin/tsc",
 				"tsserver": "bin/tsserver"
@@ -14987,9 +15140,9 @@
 			"license": "MIT"
 		},
 		"node_modules/undici": {
-			"version": "6.23.0",
-			"resolved": "https://registry.npmjs.org/undici/-/undici-6.23.0.tgz",
-			"integrity": "sha512-VfQPToRA5FZs/qJxLIinmU59u0r7LXqoJkCzinq3ckNJp3vKEh7jTWN589YQ5+aoAC/TGRLyJLCPKcLQbM8r9g==",
+			"version": "6.24.1",
+			"resolved": "https://registry.npmjs.org/undici/-/undici-6.24.1.tgz",
+			"integrity": "sha512-sC+b0tB1whOCzbtlx20fx3WgCXwkW627p4EA9uM+/tNNPkSS+eSEld6pAs9nDv7WbY1UUljBMYPtu9BCOrCWKA==",
 			"license": "MIT",
 			"engines": {
 				"node": ">=18.17"
@@ -15657,9 +15810,9 @@
 			"license": "ISC"
 		},
 		"node_modules/yaml": {
-			"version": "2.8.2",
-			"resolved": "https://registry.npmjs.org/yaml/-/yaml-2.8.2.tgz",
-			"integrity": "sha512-mplynKqc1C2hTVYxd0PU2xQAc22TI1vShAYGksCCfxbn/dFwnHTNi1bvYsBTkhdUNtGIf5xNOg938rrSSYvS9A==",
+			"version": "2.8.3",
+			"resolved": "https://registry.npmjs.org/yaml/-/yaml-2.8.3.tgz",
+			"integrity": "sha512-AvbaCLOO2Otw/lW5bmh9d/WEdcDFdQp2Z2ZUH3pX9U2ihyUY0nvLv7J6TrWowklRGPYbB/IuIMfYgxaCPg5Bpg==",
 			"dev": true,
 			"license": "ISC",
 			"bin": {

server/package.json

@@ -52,10 +52,11 @@
 		"mongoose": "^8.3.3",
 		"multer": "^1.4.5-lts.1",
 		"nodemailer": "8.0.1",
+		"pg": "8.20.0",
 		"ping": "0.4.4",
 		"sharp": "0.33.5",
 		"ssl-checker": "2.0.10",
-		"super-simple-scheduler": "1.4.5",
+		"super-simple-scheduler": "1.9.1",
 		"swagger-ui-express": "5.0.1",
 		"winston": "^3.13.0",
 		"ws": "^8.19.0",
@@ -77,6 +78,7 @@
 		"@types/multer": "^2.0.0",
 		"@types/nodemailer": "7.0.1",
 		"@types/papaparse": "^5.5.2",
+		"@types/pg": "8.20.0",
 		"@types/ping": "0.4.4",
 		"@types/swagger-ui-express": "4.1.8",
 		"@types/ws": "^8.18.1",

server/src/config/services.ts

@@ -28,6 +28,7 @@ import {
 	PagerDutyProvider,
 	MatrixProvider,
 	TeamsProvider,
+	TelegramProvider,
 	// Interfaces
 	INetworkService,
 	IEmailService,
@@ -46,6 +47,7 @@ import {
 	IIncidentService,
 	INotificationMessageBuilder,
 	ISettingsService,
+	SettingsService,
 	EnvConfig,
 } from "@/service/index.js";
 
@@ -92,9 +94,23 @@ import {
 	MongoInvitesRepository,
 	MongoRecoveryTokensRepository,
 	MongoNotificationsRepository,
-	MongoIncidentRepository,
+	MongoIncidentsRepository,
 	MongoTeamsRepository,
 	MongoMaintenanceWindowsRepository,
+	MongoSettingsRepository,
+	TimescaleMonitorsRepository,
+	TimescaleChecksRepository,
+	TimescaleGeoChecksRepository,
+	TimescaleMonitorStatsRepository,
+	TimescaleStatusPagesRepository,
+	TimescaleUsersRepository,
+	TimescaleInvitesRepository,
+	TimescaleRecoveryTokensRepository,
+	TimescaleNotificationsRepository,
+	TimescaleIncidentsRepository,
+	TimescaleTeamsRepository,
+	TimescaleMaintenanceWindowsRepository,
+	TimescaleSettingsRepository,
 	IMonitorsRepository,
 	IChecksRepository,
 	IGeoChecksRepository,
@@ -110,6 +126,8 @@ import {
 	IMaintenanceWindowsRepository,
 } from "@/repositories/index.js";
 import { ILogger } from "@/utils/logger.js";
+import TimescaleDB from "@/db/TimescaleDB.js";
+import { AppError } from "@/utils/AppError.js";
 
 export type InitializedServices = {
 	settingsService: ISettingsService;
@@ -152,32 +170,81 @@ export const initializeServices = async ({
 	logger,
 	envSettings,
 	settingsService,
-	settingsRepository,
 }: {
 	logger: ILogger;
 	envSettings: EnvConfig;
 	settingsService: ISettingsService;
-	settingsRepository: ISettingsRepository;
 }): Promise<InitializedServices> => {
 	// Create DB
 
-	const db = new MongoDB(logger, envSettings);
+	const dbType = envSettings.dbType;
+
+	let db: IDb | null = null;
+
+	if (dbType === "mongodb") {
+		db = new MongoDB(logger, envSettings);
+	} else if (dbType === "timescaledb") {
+		db = new TimescaleDB(logger, envSettings);
+	}
+
+	if (!db) {
+		throw new AppError({ message: "Unsupported database type", status: 500 });
+	}
 
 	await db.connect();
 
+	let monitorsRepository: IMonitorsRepository;
+	let checksRepository: IChecksRepository;
+	let geoChecksRepository: IGeoChecksRepository;
+	let monitorStatsRepository: IMonitorStatsRepository;
+	let statusPagesRepository: IStatusPagesRepository;
+	let usersRepository: IUsersRepository;
+	let invitesRepository: IInvitesRepository;
+	let recoveryTokensRepository: IRecoveryTokensRepository;
+	let settingsRepository: ISettingsRepository;
+	let notificationsRepository: INotificationsRepository;
+	let incidentsRepository: IIncidentsRepository;
+	let teamsRepository: ITeamsRepository;
+	let maintenanceWindowsRepository: IMaintenanceWindowsRepository;
+
 	// Repositories
-	const monitorsRepository = new MongoMonitorsRepository();
-	const checksRepository = new MongoChecksRepository(logger);
-	const geoChecksRepository = new MongoGeoChecksRepository(logger);
-	const monitorStatsRepository = new MongoMonitorStatsRepository();
-	const statusPagesRepository = new MongoStatusPagesRepository();
-	const usersRepository = new MongoUsersRepository();
-	const invitesRepository = new MongoInvitesRepository();
-	const recoveryTokensRepository = new MongoRecoveryTokensRepository();
-	const notificationsRepository = new MongoNotificationsRepository();
-	const incidentsRepository = new MongoIncidentRepository();
-	const teamsRepository = new MongoTeamsRepository();
-	const maintenanceWindowsRepository = new MongoMaintenanceWindowsRepository();
+
+	if (dbType === "mongodb") {
+		monitorsRepository = new MongoMonitorsRepository();
+		checksRepository = new MongoChecksRepository(logger);
+		geoChecksRepository = new MongoGeoChecksRepository(logger);
+		monitorStatsRepository = new MongoMonitorStatsRepository();
+		statusPagesRepository = new MongoStatusPagesRepository();
+		usersRepository = new MongoUsersRepository();
+		invitesRepository = new MongoInvitesRepository();
+		recoveryTokensRepository = new MongoRecoveryTokensRepository();
+		settingsRepository = new MongoSettingsRepository();
+		notificationsRepository = new MongoNotificationsRepository();
+		incidentsRepository = new MongoIncidentsRepository();
+		teamsRepository = new MongoTeamsRepository();
+		maintenanceWindowsRepository = new MongoMaintenanceWindowsRepository();
+	} else {
+		const pool = db.getPool();
+		if (!pool) {
+			throw new Error("Failed to get database pool");
+		}
+		monitorsRepository = new TimescaleMonitorsRepository(pool);
+		checksRepository = new TimescaleChecksRepository(pool);
+		geoChecksRepository = new TimescaleGeoChecksRepository(pool);
+		monitorStatsRepository = new TimescaleMonitorStatsRepository(pool);
+		statusPagesRepository = new TimescaleStatusPagesRepository(pool);
+		usersRepository = new TimescaleUsersRepository(pool);
+		invitesRepository = new TimescaleInvitesRepository(pool);
+		recoveryTokensRepository = new TimescaleRecoveryTokensRepository(pool);
+		settingsRepository = new TimescaleSettingsRepository(pool);
+		notificationsRepository = new TimescaleNotificationsRepository(pool);
+		incidentsRepository = new TimescaleIncidentsRepository(pool);
+		teamsRepository = new TimescaleTeamsRepository(pool);
+		maintenanceWindowsRepository = new TimescaleMaintenanceWindowsRepository(pool);
+	}
+
+	// Inject settings repository into settings service (now that DB is connected)
+	(settingsService as SettingsService).setRepository(settingsRepository);
 
 	// Network providers
 	const pingProvider = new PingProvider(ping);
@@ -230,6 +297,7 @@ export const initializeServices = async ({
 	const pagerDutyProvider = new PagerDutyProvider(logger);
 	const matrixProvider = new MatrixProvider(logger);
 	const teamsProvider = new TeamsProvider(logger);
+	const telegramProvider = new TelegramProvider(logger);
 
 	const notificationsService = new NotificationsService(
 		notificationsRepository,
@@ -241,6 +309,7 @@ export const initializeServices = async ({
 		pagerDutyProvider,
 		matrixProvider,
 		teamsProvider,
+		telegramProvider,
 		settingsService,
 		logger,
 		notificationMessageBuilder

server/src/controllers/geoCheckController.ts

@@ -26,16 +26,6 @@ class GeoCheckController implements IGeoCheckController {
 			const validatedParams = getChecksParamValidation.parse(req.params);
 			const validatedQuery = getChecksQueryValidation.parse(req.query);
 
-			if (!validatedQuery.continent || validatedQuery.continent.length === 0) {
-				throw new AppError({
-					message: "At least one continent must be specified",
-					service: SERVICE_NAME,
-					method: "getGeoChecksByMonitor",
-					details: { monitorId: validatedParams.monitorId },
-					status: 400,
-				});
-			}
-
 			const teamId = requireTeamId(req.user?.teamId);
 
 			const result = await this.geoChecksService.getGeoChecksByMonitor({

server/src/db/IDb.ts

@@ -1,4 +1,7 @@
+import { Pool } from "pg";
+
 export interface IDb {
 	connect(): Promise<void>;
 	disconnect(): Promise<void>;
+	getPool(): Pool | null;
 }

server/src/db/MongoDB.ts

@@ -5,6 +5,7 @@ import { ILogger } from "@/utils/logger.js";
 import { EnvConfig } from "@/service/system/settingsService.js";
 const SERVICE_NAME = "MongoDB";
 import { IDb } from "@/db/IDb.js";
+import { Pool } from "pg";
 
 class MongoDB implements IDb {
 	static SERVICE_NAME = SERVICE_NAME;
@@ -74,6 +75,10 @@ class MongoDB implements IDb {
 			});
 		}
 	};
+
+	getPool = () => {
+		return null;
+	};
 }
 
 export default MongoDB;

server/src/db/TimescaleDB.ts

@@ -0,0 +1,105 @@
+import { IDb } from "@/db/IDb.js";
+import { ILogger } from "@/utils/logger.js";
+import { EnvConfig } from "@/service/system/settingsService.js";
+import { Client, Pool } from "pg";
+import { runTimescaleDBMigrations } from "@/db/migration/timescaledb/index.js";
+
+const SERVICE_NAME = "TimescaleDB";
+
+class TimescaleDB implements IDb {
+	private pool: Pool | null = null;
+
+	constructor(
+		private logger: ILogger,
+		private envSettings: EnvConfig
+	) {}
+
+	private ensureDatabaseExists = async (connectionString: string) => {
+		const url = new URL(connectionString);
+		const dbName = url.pathname.slice(1); // Remove leading "/"
+
+		// Connect to the default "postgres" database
+		url.pathname = "/postgres";
+		const client = new Client({ connectionString: url.toString() });
+		await client.connect();
+
+		const result = await client.query("SELECT 1 FROM pg_database WHERE datname = $1", [dbName]);
+		if (result.rowCount === 0) {
+			await client.query(`CREATE DATABASE "${dbName}"`);
+			this.logger.info({
+				message: `Created database "${dbName}"`,
+				service: SERVICE_NAME,
+				method: "ensureDatabaseExists",
+			});
+		}
+		await client.end();
+	};
+
+	connect = async () => {
+		try {
+			const connectionString = this.envSettings.dbConnectionString || "postgresql://postgres:password@localhost:5432/checkmate";
+
+			await this.ensureDatabaseExists(connectionString);
+
+			this.pool = new Pool({ connectionString });
+
+			const client = await this.pool.connect();
+			client.release();
+
+			// Ensure TimescaleDB extension is enabled
+			await this.pool.query("CREATE EXTENSION IF NOT EXISTS timescaledb;");
+
+			this.logger.info({
+				message: "Connected to TimescaleDB",
+				service: SERVICE_NAME,
+				method: "connect",
+			});
+
+			await runTimescaleDBMigrations(this.pool, this.logger);
+		} catch (error: unknown) {
+			this.logger.error({
+				message: error instanceof Error ? error.message : "Unknown error",
+				service: SERVICE_NAME,
+				method: "connect",
+				stack: error instanceof Error ? error.stack : undefined,
+			});
+			throw error;
+		}
+	};
+
+	disconnect = async () => {
+		try {
+			if (this.pool === null) {
+				return;
+			}
+			this.logger.info({
+				message: "Disconnecting from TimescaleDB",
+				service: SERVICE_NAME,
+				method: "disconnect",
+			});
+			await this.pool.end();
+			this.pool = null;
+			this.logger.info({
+				message: "Disconnected from TimescaleDB",
+				service: SERVICE_NAME,
+				method: "disconnect",
+			});
+		} catch (error: unknown) {
+			this.logger.error({
+				message: error instanceof Error ? error.message : "Unknown error",
+				service: SERVICE_NAME,
+				method: "disconnect",
+				stack: error instanceof Error ? error.stack : undefined,
+			});
+		}
+	};
+
+	getPool = (): Pool => {
+		if (this.pool === null) {
+			throw new Error("TimescaleDB is not connected. Call connect() first.");
+		}
+		return this.pool;
+	};
+}
+
+export default TimescaleDB;

server/src/db/migration/timescaledb/0001_create_enums.ts

@@ -0,0 +1,50 @@
+import type { Pool } from "pg";
+
+export const createEnums = async (pool: Pool) => {
+	await pool.query(`
+		DO $$ BEGIN
+			CREATE TYPE monitor_type AS ENUM ('http', 'ping', 'pagespeed', 'hardware', 'docker', 'port', 'game', 'grpc', 'websocket', 'unknown');
+		EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+		DO $$ BEGIN
+			CREATE TYPE monitor_status AS ENUM ('up', 'down', 'paused', 'initializing', 'maintenance', 'breached');
+		EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+		DO $$ BEGIN
+			CREATE TYPE notification_type AS ENUM ('email', 'slack', 'discord', 'webhook', 'pager_duty', 'matrix', 'teams');
+		EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+		DO $$ BEGIN
+			CREATE TYPE user_role AS ENUM ('user', 'admin', 'superadmin', 'demo');
+		EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+		DO $$ BEGIN
+			CREATE TYPE incident_resolution_type AS ENUM ('automatic', 'manual');
+		EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+		DO $$ BEGIN
+			CREATE TYPE duration_unit AS ENUM ('seconds', 'minutes', 'hours', 'days');
+		EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+		DO $$ BEGIN
+			CREATE TYPE status_page_type AS ENUM ('uptime', 'infrastructure');
+		EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+		DO $$ BEGIN
+			CREATE TYPE match_method AS ENUM ('equal', 'include', 'regex');
+		EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+	`);
+};
+
+export const dropEnums = async (pool: Pool) => {
+	await pool.query(`
+		DROP TYPE IF EXISTS match_method;
+		DROP TYPE IF EXISTS status_page_type;
+		DROP TYPE IF EXISTS duration_unit;
+		DROP TYPE IF EXISTS incident_resolution_type;
+		DROP TYPE IF EXISTS user_role;
+		DROP TYPE IF EXISTS notification_type;
+		DROP TYPE IF EXISTS monitor_status;
+		DROP TYPE IF EXISTS monitor_type;
+	`);
+};

server/src/db/migration/timescaledb/0002_create_teams.ts

@@ -0,0 +1,18 @@
+import type { Pool } from "pg";
+
+export const createTeams = async (pool: Pool) => {
+	await pool.query(`
+		CREATE TABLE IF NOT EXISTS teams (
+			id          UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+			email       TEXT NOT NULL UNIQUE,
+			created_at  TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+			updated_at  TIMESTAMPTZ NOT NULL DEFAULT NOW()
+		);
+
+		CREATE INDEX IF NOT EXISTS idx_teams_email ON teams (email);
+	`);
+};
+
+export const dropTeams = async (pool: Pool) => {
+	await pool.query(`DROP TABLE IF EXISTS teams;`);
+};

server/src/db/migration/timescaledb/0003_create_users.ts

@@ -0,0 +1,30 @@
+import type { Pool } from "pg";
+
+export const createUsers = async (pool: Pool) => {
+	await pool.query(`
+		CREATE TABLE IF NOT EXISTS users (
+			id                          UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+			team_id                     UUID REFERENCES teams(id) ON DELETE SET NULL,
+			first_name                  TEXT NOT NULL,
+			last_name                   TEXT NOT NULL,
+			email                       TEXT NOT NULL UNIQUE,
+			password                    TEXT NOT NULL,
+			avatar_image                TEXT,
+			profile_image               BYTEA,
+			profile_image_content_type  TEXT,
+			is_active                   BOOLEAN NOT NULL DEFAULT TRUE,
+			is_verified                 BOOLEAN NOT NULL DEFAULT FALSE,
+			roles                       user_role[] NOT NULL DEFAULT ARRAY['user']::user_role[],
+			check_ttl                   INTEGER,
+			created_at                  TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+			updated_at                  TIMESTAMPTZ NOT NULL DEFAULT NOW()
+		);
+
+		CREATE INDEX IF NOT EXISTS idx_users_team_id ON users (team_id);
+		CREATE INDEX IF NOT EXISTS idx_users_email ON users (email);
+	`);
+};
+
+export const dropUsers = async (pool: Pool) => {
+	await pool.query(`DROP TABLE IF EXISTS users;`);
+};

server/src/db/migration/timescaledb/0004_create_monitors.ts

@@ -0,0 +1,69 @@
+import type { Pool } from "pg";
+
+export const createMonitors = async (pool: Pool) => {
+	await pool.query(`
+		CREATE TABLE IF NOT EXISTS monitors (
+			id                      UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+			user_id                 UUID NOT NULL REFERENCES users(id),
+			team_id                 UUID NOT NULL REFERENCES teams(id),
+			name                    TEXT NOT NULL,
+			description             TEXT,
+			type                    monitor_type NOT NULL,
+			status                  monitor_status NOT NULL DEFAULT 'initializing',
+
+			-- HTTP / Website monitoring
+			url                     TEXT,
+			port                    INTEGER,
+			ignore_tls_errors       BOOLEAN DEFAULT FALSE,
+			use_advanced_matching   BOOLEAN DEFAULT FALSE,
+			json_path               TEXT,
+			expected_value          TEXT,
+			match_method            match_method,
+			secret                  TEXT,
+
+			-- Scheduling
+			interval_ms             INTEGER NOT NULL DEFAULT 60000,
+			is_active               BOOLEAN NOT NULL DEFAULT TRUE,
+
+			-- Uptime tracking
+			status_window           BOOLEAN[],
+			status_window_size      INTEGER DEFAULT 5,
+			status_window_threshold INTEGER DEFAULT 60,
+			uptime_percentage       DOUBLE PRECISION,
+
+			-- Infrastructure alert thresholds
+			cpu_alert_threshold     INTEGER,
+			cpu_alert_counter       INTEGER,
+			memory_alert_threshold  INTEGER,
+			memory_alert_counter    INTEGER,
+			disk_alert_threshold    INTEGER,
+			disk_alert_counter      INTEGER,
+			temp_alert_threshold    INTEGER,
+			temp_alert_counter      INTEGER,
+			selected_disks          TEXT[],
+
+			-- Game monitoring
+			game_id                 TEXT,
+			grpc_service_name       TEXT,
+
+			-- Grouping
+			monitor_group           TEXT,
+
+			-- Geo checks
+			geo_check_enabled       BOOLEAN DEFAULT FALSE,
+			geo_check_locations     TEXT[],
+			geo_check_interval_ms   INTEGER DEFAULT 300000,
+
+			created_at              TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+			updated_at              TIMESTAMPTZ NOT NULL DEFAULT NOW()
+		);
+
+		CREATE INDEX IF NOT EXISTS idx_monitors_team_type ON monitors (team_id, type);
+		CREATE INDEX IF NOT EXISTS idx_monitors_user_id ON monitors (user_id);
+		CREATE INDEX IF NOT EXISTS idx_monitors_status ON monitors (status);
+	`);
+};
+
+export const dropMonitors = async (pool: Pool) => {
+	await pool.query(`DROP TABLE IF EXISTS monitors;`);
+};

server/src/db/migration/timescaledb/0005_create_notifications.ts

@@ -0,0 +1,30 @@
+import type { Pool } from "pg";
+
+export const createNotifications = async (pool: Pool) => {
+	await pool.query(`
+		CREATE TABLE IF NOT EXISTS notifications (
+			id                  UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+			user_id             UUID NOT NULL REFERENCES users(id),
+			team_id             UUID NOT NULL REFERENCES teams(id),
+			type                notification_type NOT NULL,
+			notification_name   TEXT,
+			address             TEXT,
+			phone               TEXT,
+
+			-- Matrix-specific fields
+			homeserver_url      TEXT,
+			room_id             TEXT,
+			access_token        TEXT,
+
+			created_at          TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+			updated_at          TIMESTAMPTZ NOT NULL DEFAULT NOW()
+		);
+
+		CREATE INDEX IF NOT EXISTS idx_notifications_team ON notifications (team_id);
+		CREATE INDEX IF NOT EXISTS idx_notifications_user ON notifications (user_id);
+	`);
+};
+
+export const dropNotifications = async (pool: Pool) => {
+	await pool.query(`DROP TABLE IF EXISTS notifications;`);
+};

server/src/db/migration/timescaledb/0006_create_monitor_notifications.ts

@@ -0,0 +1,18 @@
+import type { Pool } from "pg";
+
+export const createMonitorNotifications = async (pool: Pool) => {
+	await pool.query(`
+		CREATE TABLE IF NOT EXISTS monitor_notifications (
+			monitor_id      UUID NOT NULL REFERENCES monitors(id) ON DELETE CASCADE,
+			notification_id UUID NOT NULL REFERENCES notifications(id) ON DELETE CASCADE,
+			PRIMARY KEY (monitor_id, notification_id)
+		);
+
+		CREATE INDEX IF NOT EXISTS idx_monitor_notifications_notification
+			ON monitor_notifications (notification_id);
+	`);
+};
+
+export const dropMonitorNotifications = async (pool: Pool) => {
+	await pool.query(`DROP TABLE IF EXISTS monitor_notifications;`);
+};

server/src/db/migration/timescaledb/0007_create_incidents.ts

@@ -0,0 +1,34 @@
+import type { Pool } from "pg";
+
+export const createIncidents = async (pool: Pool) => {
+	await pool.query(`
+		CREATE TABLE IF NOT EXISTS incidents (
+			id                  UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+			monitor_id          UUID NOT NULL REFERENCES monitors(id) ON DELETE CASCADE,
+			team_id             UUID NOT NULL REFERENCES teams(id) ON DELETE CASCADE,
+			start_time          TIMESTAMPTZ NOT NULL,
+			end_time            TIMESTAMPTZ,
+			status              BOOLEAN,
+			message             TEXT,
+			status_code         INTEGER,
+			resolution_type     incident_resolution_type,
+			resolved_by         UUID REFERENCES users(id) ON DELETE SET NULL,
+			resolved_by_email   TEXT,
+			comment             TEXT,
+			created_at          TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+			updated_at          TIMESTAMPTZ NOT NULL DEFAULT NOW()
+		);
+
+		CREATE INDEX IF NOT EXISTS idx_incidents_monitor_status ON incidents (monitor_id, status);
+		CREATE INDEX IF NOT EXISTS idx_incidents_team_status ON incidents (team_id, status);
+		CREATE INDEX IF NOT EXISTS idx_incidents_team_start ON incidents (team_id, start_time DESC);
+		CREATE INDEX IF NOT EXISTS idx_incidents_status_start ON incidents (status, start_time DESC);
+		CREATE INDEX IF NOT EXISTS idx_incidents_resolution ON incidents (resolution_type, status);
+		CREATE INDEX IF NOT EXISTS idx_incidents_resolved_by ON incidents (resolved_by, status);
+		CREATE INDEX IF NOT EXISTS idx_incidents_created ON incidents (created_at DESC);
+	`);
+};
+
+export const dropIncidents = async (pool: Pool) => {
+	await pool.query(`DROP TABLE IF EXISTS incidents;`);
+};

server/src/db/migration/timescaledb/0008_create_monitor_stats.ts

@@ -0,0 +1,25 @@
+import type { Pool } from "pg";
+
+export const createMonitorStats = async (pool: Pool) => {
+	await pool.query(`
+		CREATE TABLE IF NOT EXISTS monitor_stats (
+			id                      UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+			monitor_id              UUID NOT NULL UNIQUE REFERENCES monitors(id) ON DELETE CASCADE,
+			avg_response_time       DOUBLE PRECISION DEFAULT 0,
+			max_response_time       DOUBLE PRECISION DEFAULT 0,
+			total_checks            BIGINT DEFAULT 0,
+			total_up_checks         BIGINT DEFAULT 0,
+			total_down_checks       BIGINT DEFAULT 0,
+			uptime_percentage       DOUBLE PRECISION DEFAULT 0,
+			last_check_timestamp    TIMESTAMPTZ,
+			last_response_time      DOUBLE PRECISION DEFAULT 0,
+			time_of_last_failure    TIMESTAMPTZ,
+			created_at              TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+			updated_at              TIMESTAMPTZ NOT NULL DEFAULT NOW()
+		);
+	`);
+};
+
+export const dropMonitorStats = async (pool: Pool) => {
+	await pool.query(`DROP TABLE IF EXISTS monitor_stats;`);
+};

server/src/db/migration/timescaledb/0009_create_checks.ts

@@ -0,0 +1,105 @@
+import type { Pool } from "pg";
+
+export const createChecks = async (pool: Pool) => {
+	await pool.query(`
+		CREATE TABLE IF NOT EXISTS checks (
+			id                          UUID NOT NULL DEFAULT gen_random_uuid(),
+			monitor_id                  UUID NOT NULL,
+			team_id                     UUID NOT NULL,
+			monitor_type                monitor_type NOT NULL,
+			status                      BOOLEAN,
+			response_time               INTEGER,
+			status_code                 INTEGER,
+			message                     TEXT,
+
+			-- HTTP request timings
+			timing_start                DOUBLE PRECISION,
+			timing_socket               DOUBLE PRECISION,
+			timing_lookup               DOUBLE PRECISION,
+			timing_connect              DOUBLE PRECISION,
+			timing_secure_connect       DOUBLE PRECISION,
+			timing_upload               DOUBLE PRECISION,
+			timing_response             DOUBLE PRECISION,
+			timing_end                  DOUBLE PRECISION,
+			phase_wait                  DOUBLE PRECISION,
+			phase_dns                   DOUBLE PRECISION,
+			phase_tcp                   DOUBLE PRECISION,
+			phase_tls                   DOUBLE PRECISION,
+			phase_request               DOUBLE PRECISION,
+			phase_first_byte            DOUBLE PRECISION,
+			phase_download              DOUBLE PRECISION,
+			phase_total                 DOUBLE PRECISION,
+
+			-- CPU metrics
+			cpu_physical_core           INTEGER,
+			cpu_logical_core            INTEGER,
+			cpu_frequency               DOUBLE PRECISION,
+			cpu_current_frequency       DOUBLE PRECISION,
+			cpu_temperature             DOUBLE PRECISION[],
+			cpu_free_percent            DOUBLE PRECISION,
+			cpu_usage_percent           DOUBLE PRECISION,
+
+			-- Memory metrics
+			mem_total_bytes             BIGINT,
+			mem_available_bytes         BIGINT,
+			mem_used_bytes              BIGINT,
+			mem_usage_percent           DOUBLE PRECISION,
+
+			-- Host info
+			host_os                     TEXT,
+			host_platform               TEXT,
+			host_kernel_version         TEXT,
+			host_pretty_name            TEXT,
+
+			-- Capture agent info
+			capture_version             TEXT,
+			capture_mode                TEXT,
+
+			-- Lighthouse / PageSpeed scores
+			lighthouse_performance      DOUBLE PRECISION,
+			lighthouse_accessibility    DOUBLE PRECISION,
+			lighthouse_best_practices   DOUBLE PRECISION,
+			lighthouse_seo              DOUBLE PRECISION,
+
+			-- Lighthouse audit details
+			audit_cls_score             DOUBLE PRECISION,
+			audit_cls_value             DOUBLE PRECISION,
+			audit_cls_display           TEXT,
+			audit_si_score              DOUBLE PRECISION,
+			audit_si_value              DOUBLE PRECISION,
+			audit_si_display            TEXT,
+			audit_fcp_score             DOUBLE PRECISION,
+			audit_fcp_value             DOUBLE PRECISION,
+			audit_fcp_display           TEXT,
+			audit_lcp_score             DOUBLE PRECISION,
+			audit_lcp_value             DOUBLE PRECISION,
+			audit_lcp_display           TEXT,
+			audit_tbt_score             DOUBLE PRECISION,
+			audit_tbt_value             DOUBLE PRECISION,
+			audit_tbt_display           TEXT,
+
+			created_at                  TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+			updated_at                  TIMESTAMPTZ NOT NULL DEFAULT NOW()
+		);
+
+		SELECT create_hypertable('checks', 'created_at',
+			chunk_time_interval => INTERVAL '7 days',
+			if_not_exists => TRUE
+		);
+
+		CREATE INDEX IF NOT EXISTS idx_checks_monitor_time
+			ON checks (monitor_id, created_at DESC);
+		CREATE INDEX IF NOT EXISTS idx_checks_team_time
+			ON checks (team_id, created_at DESC);
+		CREATE INDEX IF NOT EXISTS idx_checks_monitor_type_time
+			ON checks (monitor_id, monitor_type, created_at DESC);
+		CREATE INDEX IF NOT EXISTS idx_checks_team_status_time
+			ON checks (team_id, status, created_at DESC);
+		CREATE INDEX IF NOT EXISTS idx_checks_status_code
+			ON checks (status_code, created_at DESC);
+	`);
+};
+
+export const dropChecks = async (pool: Pool) => {
+	await pool.query(`DROP TABLE IF EXISTS checks;`);
+};

server/src/db/migration/timescaledb/0010_create_check_disks.ts

@@ -0,0 +1,37 @@
+import type { Pool } from "pg";
+
+export const createCheckDisks = async (pool: Pool) => {
+	await pool.query(`
+		CREATE TABLE IF NOT EXISTS check_disks (
+			id                  UUID NOT NULL DEFAULT gen_random_uuid(),
+			check_id            UUID NOT NULL,
+			check_created_at    TIMESTAMPTZ NOT NULL,
+			device              TEXT,
+			mountpoint          TEXT,
+			total_bytes         BIGINT,
+			free_bytes          BIGINT,
+			used_bytes          BIGINT,
+			usage_percent       DOUBLE PRECISION,
+			total_inodes        BIGINT,
+			free_inodes         BIGINT,
+			used_inodes         BIGINT,
+			inodes_usage_percent DOUBLE PRECISION,
+			read_bytes          BIGINT,
+			write_bytes         BIGINT,
+			read_time           BIGINT,
+			write_time          BIGINT
+		);
+
+		SELECT create_hypertable('check_disks', 'check_created_at',
+			chunk_time_interval => INTERVAL '7 days',
+			if_not_exists => TRUE
+		);
+
+		CREATE INDEX IF NOT EXISTS idx_check_disks_check
+			ON check_disks (check_id, check_created_at);
+	`);
+};
+
+export const dropCheckDisks = async (pool: Pool) => {
+	await pool.query(`DROP TABLE IF EXISTS check_disks;`);
+};

server/src/db/migration/timescaledb/0011_create_check_network_interfaces.ts

@@ -0,0 +1,34 @@
+import type { Pool } from "pg";
+
+export const createCheckNetworkInterfaces = async (pool: Pool) => {
+	await pool.query(`
+		CREATE TABLE IF NOT EXISTS check_network_interfaces (
+			id                  UUID NOT NULL DEFAULT gen_random_uuid(),
+			check_id            UUID NOT NULL,
+			check_created_at    TIMESTAMPTZ NOT NULL,
+			name                TEXT,
+			bytes_sent          BIGINT,
+			bytes_recv          BIGINT,
+			packets_sent        BIGINT,
+			packets_recv        BIGINT,
+			err_in              BIGINT,
+			err_out             BIGINT,
+			drop_in             BIGINT,
+			drop_out            BIGINT,
+			fifo_in             BIGINT,
+			fifo_out            BIGINT
+		);
+
+		SELECT create_hypertable('check_network_interfaces', 'check_created_at',
+			chunk_time_interval => INTERVAL '7 days',
+			if_not_exists => TRUE
+		);
+
+		CREATE INDEX IF NOT EXISTS idx_check_net_check
+			ON check_network_interfaces (check_id, check_created_at);
+	`);
+};
+
+export const dropCheckNetworkInterfaces = async (pool: Pool) => {
+	await pool.query(`DROP TABLE IF EXISTS check_network_interfaces;`);
+};

server/src/db/migration/timescaledb/0012_create_check_errors.ts

@@ -0,0 +1,25 @@
+import type { Pool } from "pg";
+
+export const createCheckErrors = async (pool: Pool) => {
+	await pool.query(`
+		CREATE TABLE IF NOT EXISTS check_errors (
+			id                  UUID NOT NULL DEFAULT gen_random_uuid(),
+			check_id            UUID NOT NULL,
+			check_created_at    TIMESTAMPTZ NOT NULL,
+			metrics             TEXT[],
+			error               TEXT
+		);
+
+		SELECT create_hypertable('check_errors', 'check_created_at',
+			chunk_time_interval => INTERVAL '7 days',
+			if_not_exists => TRUE
+		);
+
+		CREATE INDEX IF NOT EXISTS idx_check_errors_check
+			ON check_errors (check_id, check_created_at);
+	`);
+};
+
+export const dropCheckErrors = async (pool: Pool) => {
+	await pool.query(`DROP TABLE IF EXISTS check_errors;`);
+};

server/src/db/migration/timescaledb/0013_create_geo_checks.ts

@@ -0,0 +1,29 @@
+import type { Pool } from "pg";
+
+export const createGeoChecks = async (pool: Pool) => {
+	await pool.query(`
+		CREATE TABLE IF NOT EXISTS geo_checks (
+			id              UUID NOT NULL DEFAULT gen_random_uuid(),
+			monitor_id      UUID NOT NULL,
+			team_id         UUID NOT NULL,
+			monitor_type    monitor_type NOT NULL,
+			expiry          TIMESTAMPTZ,
+			created_at      TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+			updated_at      TIMESTAMPTZ NOT NULL DEFAULT NOW()
+		);
+
+		SELECT create_hypertable('geo_checks', 'created_at',
+			chunk_time_interval => INTERVAL '7 days',
+			if_not_exists => TRUE
+		);
+
+		CREATE INDEX IF NOT EXISTS idx_geo_checks_monitor_time
+			ON geo_checks (monitor_id, created_at DESC);
+		CREATE INDEX IF NOT EXISTS idx_geo_checks_team_time
+			ON geo_checks (team_id, created_at DESC);
+	`);
+};
+
+export const dropGeoChecks = async (pool: Pool) => {
+	await pool.query(`DROP TABLE IF EXISTS geo_checks;`);
+};

server/src/db/migration/timescaledb/0014_create_geo_check_results.ts

@@ -0,0 +1,46 @@
+import type { Pool } from "pg";
+
+export const createGeoCheckResults = async (pool: Pool) => {
+	await pool.query(`
+		CREATE TABLE IF NOT EXISTS geo_check_results (
+			id                      UUID NOT NULL DEFAULT gen_random_uuid(),
+			geo_check_id            UUID NOT NULL,
+			geo_check_created_at    TIMESTAMPTZ NOT NULL,
+
+			-- Status
+			status                  BOOLEAN,
+			status_code             INTEGER,
+
+			-- Location
+			location_continent      TEXT,
+			location_region         TEXT,
+			location_country        TEXT,
+			location_state          TEXT,
+			location_city           TEXT,
+			location_longitude      DOUBLE PRECISION,
+			location_latitude       DOUBLE PRECISION,
+
+			-- Timings
+			timing_total            DOUBLE PRECISION,
+			timing_dns              DOUBLE PRECISION,
+			timing_tcp              DOUBLE PRECISION,
+			timing_tls              DOUBLE PRECISION,
+			timing_first_byte       DOUBLE PRECISION,
+			timing_download         DOUBLE PRECISION
+		);
+
+		SELECT create_hypertable('geo_check_results', 'geo_check_created_at',
+			chunk_time_interval => INTERVAL '7 days',
+			if_not_exists => TRUE
+		);
+
+		CREATE INDEX IF NOT EXISTS idx_geo_results_check
+			ON geo_check_results (geo_check_id, geo_check_created_at);
+		CREATE INDEX IF NOT EXISTS idx_geo_results_country
+			ON geo_check_results (location_country, geo_check_created_at DESC);
+	`);
+};
+
+export const dropGeoCheckResults = async (pool: Pool) => {
+	await pool.query(`DROP TABLE IF EXISTS geo_check_results;`);
+};

server/src/db/migration/timescaledb/0015_create_invites.ts

@@ -0,0 +1,22 @@
+import type { Pool } from "pg";
+
+export const createInvites = async (pool: Pool) => {
+	await pool.query(`
+		CREATE TABLE IF NOT EXISTS invites (
+			id          UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+			email       TEXT NOT NULL UNIQUE,
+			team_id     UUID NOT NULL REFERENCES teams(id) ON DELETE CASCADE,
+			roles       user_role[] NOT NULL DEFAULT ARRAY['user']::user_role[],
+			token       TEXT NOT NULL,
+			expiry      TIMESTAMPTZ,
+			created_at  TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+			updated_at  TIMESTAMPTZ NOT NULL DEFAULT NOW()
+		);
+
+		CREATE INDEX IF NOT EXISTS idx_invites_expiry ON invites (expiry);
+	`);
+};
+
+export const dropInvites = async (pool: Pool) => {
+	await pool.query(`DROP TABLE IF EXISTS invites;`);
+};

server/src/db/migration/timescaledb/0016_create_recovery_tokens.ts

@@ -0,0 +1,20 @@
+import type { Pool } from "pg";
+
+export const createRecoveryTokens = async (pool: Pool) => {
+	await pool.query(`
+		CREATE TABLE IF NOT EXISTS recovery_tokens (
+			id          UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+			email       TEXT NOT NULL UNIQUE,
+			token       TEXT NOT NULL,
+			expiry      TIMESTAMPTZ,
+			created_at  TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+			updated_at  TIMESTAMPTZ NOT NULL DEFAULT NOW()
+		);
+
+		CREATE INDEX IF NOT EXISTS idx_recovery_expiry ON recovery_tokens (expiry);
+	`);
+};
+
+export const dropRecoveryTokens = async (pool: Pool) => {
+	await pool.query(`DROP TABLE IF EXISTS recovery_tokens;`);
+};

server/src/db/migration/timescaledb/0017_create_maintenance_windows.ts

@@ -0,0 +1,29 @@
+import type { Pool } from "pg";
+
+export const createMaintenanceWindows = async (pool: Pool) => {
+	await pool.query(`
+		CREATE TABLE IF NOT EXISTS maintenance_windows (
+			id              UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+			monitor_id      UUID NOT NULL REFERENCES monitors(id) ON DELETE CASCADE,
+			team_id         UUID NOT NULL REFERENCES teams(id) ON DELETE CASCADE,
+			active          BOOLEAN NOT NULL DEFAULT TRUE,
+			name            TEXT,
+			duration        INTEGER,
+			duration_unit   duration_unit,
+			repeat          INTEGER,
+			start_time      TIMESTAMPTZ,
+			end_time        TIMESTAMPTZ,
+			expiry          TIMESTAMPTZ,
+			created_at      TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+			updated_at      TIMESTAMPTZ NOT NULL DEFAULT NOW()
+		);
+
+		CREATE INDEX IF NOT EXISTS idx_maint_monitor ON maintenance_windows (monitor_id);
+		CREATE INDEX IF NOT EXISTS idx_maint_team ON maintenance_windows (team_id);
+		CREATE INDEX IF NOT EXISTS idx_maint_expiry ON maintenance_windows (expiry);
+	`);
+};
+
+export const dropMaintenanceWindows = async (pool: Pool) => {
+	await pool.query(`DROP TABLE IF EXISTS maintenance_windows;`);
+};

server/src/db/migration/timescaledb/0018_create_status_pages.ts

@@ -0,0 +1,51 @@
+import type { Pool } from "pg";
+
+export const createStatusPages = async (pool: Pool) => {
+	await pool.query(`
+		CREATE TABLE IF NOT EXISTS status_pages (
+			id                      UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+			user_id                 UUID NOT NULL REFERENCES users(id),
+			team_id                 UUID NOT NULL REFERENCES teams(id),
+			types                   status_page_type[] NOT NULL DEFAULT ARRAY['uptime']::status_page_type[],
+			company_name            TEXT,
+			url                     TEXT NOT NULL UNIQUE,
+			timezone                TEXT,
+			color                   TEXT DEFAULT '#4169E1',
+			logo_data               BYTEA,
+			logo_content_type       TEXT,
+			is_published            BOOLEAN DEFAULT FALSE,
+			show_charts             BOOLEAN DEFAULT FALSE,
+			show_uptime_percentage  BOOLEAN DEFAULT FALSE,
+			show_admin_login_link   BOOLEAN DEFAULT FALSE,
+			show_infrastructure     BOOLEAN DEFAULT FALSE,
+			custom_css              TEXT,
+			created_at              TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+			updated_at              TIMESTAMPTZ NOT NULL DEFAULT NOW()
+		);
+
+		CREATE INDEX IF NOT EXISTS idx_status_pages_team ON status_pages (team_id);
+		CREATE INDEX IF NOT EXISTS idx_status_pages_url ON status_pages (url);
+
+		CREATE TABLE IF NOT EXISTS status_page_monitors (
+			status_page_id  UUID NOT NULL REFERENCES status_pages(id) ON DELETE CASCADE,
+			monitor_id      UUID NOT NULL REFERENCES monitors(id) ON DELETE CASCADE,
+			sort_order      INTEGER DEFAULT 0,
+			PRIMARY KEY (status_page_id, monitor_id)
+		);
+
+		CREATE TABLE IF NOT EXISTS status_page_sub_monitors (
+			status_page_id  UUID NOT NULL REFERENCES status_pages(id) ON DELETE CASCADE,
+			monitor_id      UUID NOT NULL REFERENCES monitors(id) ON DELETE CASCADE,
+			sort_order      INTEGER DEFAULT 0,
+			PRIMARY KEY (status_page_id, monitor_id)
+		);
+	`);
+};
+
+export const dropStatusPages = async (pool: Pool) => {
+	await pool.query(`
+		DROP TABLE IF EXISTS status_page_sub_monitors;
+		DROP TABLE IF EXISTS status_page_monitors;
+		DROP TABLE IF EXISTS status_pages;
+	`);
+};

server/src/db/migration/timescaledb/0019_create_app_settings.ts

@@ -0,0 +1,62 @@
+import type { Pool } from "pg";
+
+export const createAppSettings = async (pool: Pool) => {
+	await pool.query(`
+		CREATE TABLE IF NOT EXISTS app_settings (
+			id                              UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+			check_ttl                       INTEGER DEFAULT 30,
+			language                        TEXT,
+			jwt_secret                      TEXT,
+			pagespeed_api_key               TEXT,
+
+			-- SMTP / Email settings
+			system_email_host               TEXT,
+			system_email_port               INTEGER,
+			system_email_address            TEXT,
+			system_email_password           TEXT,
+			system_email_user               TEXT,
+			system_email_connection_host    TEXT,
+			system_email_tls_servername     TEXT,
+			system_email_secure             BOOLEAN,
+			system_email_pool               BOOLEAN,
+			system_email_ignore_tls         BOOLEAN,
+			system_email_require_tls        BOOLEAN,
+			system_email_reject_unauthorized BOOLEAN,
+
+			show_url                        BOOLEAN,
+			version                         TEXT,
+
+			-- Global infrastructure thresholds
+			threshold_cpu_usage             INTEGER,
+			threshold_memory_usage          INTEGER,
+			threshold_disk_usage            INTEGER,
+			threshold_temperature           INTEGER,
+
+			created_at                      TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+			updated_at                      TIMESTAMPTZ NOT NULL DEFAULT NOW()
+		);
+
+		-- Enforce singleton: only one row allowed
+		CREATE OR REPLACE FUNCTION enforce_singleton_app_settings()
+		RETURNS TRIGGER AS $$
+		BEGIN
+			IF (SELECT COUNT(*) FROM app_settings) >= 1 THEN
+				RAISE EXCEPTION 'app_settings allows only one row';
+			END IF;
+			RETURN NEW;
+		END;
+		$$ LANGUAGE plpgsql;
+
+		DROP TRIGGER IF EXISTS trg_singleton_app_settings ON app_settings;
+		CREATE TRIGGER trg_singleton_app_settings
+			BEFORE INSERT ON app_settings
+			FOR EACH ROW EXECUTE FUNCTION enforce_singleton_app_settings();
+	`);
+};
+
+export const dropAppSettings = async (pool: Pool) => {
+	await pool.query(`
+		DROP TABLE IF EXISTS app_settings;
+		DROP FUNCTION IF EXISTS enforce_singleton_app_settings();
+	`);
+};

server/src/db/migration/timescaledb/0020_create_continuous_aggregates.ts

@@ -0,0 +1,127 @@
+import type { Pool } from "pg";
+
+export const createContinuousAggregates = async (pool: Pool) => {
+	// Uptime & Response Time (Hourly)
+	await pool.query(`
+		CREATE MATERIALIZED VIEW IF NOT EXISTS checks_hourly
+		WITH (timescaledb.continuous) AS
+		SELECT
+			monitor_id,
+			time_bucket('1 hour', created_at) AS bucket,
+			COUNT(*)                                    AS total_checks,
+			COUNT(*) FILTER (WHERE status = TRUE)       AS up_checks,
+			COUNT(*) FILTER (WHERE status = FALSE)      AS down_checks,
+			AVG(response_time)                          AS avg_response_time,
+			AVG(response_time) FILTER (WHERE status = TRUE)  AS avg_up_response_time,
+			AVG(response_time) FILTER (WHERE status = FALSE) AS avg_down_response_time,
+			MAX(response_time)                          AS max_response_time,
+			MIN(response_time)                          AS min_response_time
+		FROM checks
+		GROUP BY monitor_id, bucket
+		WITH NO DATA;
+	`);
+	await pool.query(`ALTER MATERIALIZED VIEW checks_hourly SET (timescaledb.materialized_only = false);`);
+	await pool.query(`
+		SELECT add_continuous_aggregate_policy('checks_hourly',
+			start_offset    => INTERVAL '3 hours',
+			end_offset      => INTERVAL '1 hour',
+			schedule_interval => INTERVAL '1 hour',
+			if_not_exists   => TRUE
+		);
+	`);
+	await pool.query(`CALL refresh_continuous_aggregate('checks_hourly', NULL, NULL);`);
+
+	// Uptime & Response Time (Daily)
+	await pool.query(`
+		CREATE MATERIALIZED VIEW IF NOT EXISTS checks_daily
+		WITH (timescaledb.continuous) AS
+		SELECT
+			monitor_id,
+			time_bucket('1 day', created_at) AS bucket,
+			COUNT(*)                                    AS total_checks,
+			COUNT(*) FILTER (WHERE status = TRUE)       AS up_checks,
+			COUNT(*) FILTER (WHERE status = FALSE)      AS down_checks,
+			AVG(response_time)                          AS avg_response_time,
+			AVG(response_time) FILTER (WHERE status = TRUE)  AS avg_up_response_time,
+			AVG(response_time) FILTER (WHERE status = FALSE) AS avg_down_response_time,
+			MAX(response_time)                          AS max_response_time
+		FROM checks
+		GROUP BY monitor_id, bucket
+		WITH NO DATA;
+	`);
+	await pool.query(`ALTER MATERIALIZED VIEW checks_daily SET (timescaledb.materialized_only = false);`);
+	await pool.query(`
+		SELECT add_continuous_aggregate_policy('checks_daily',
+			start_offset    => INTERVAL '3 days',
+			end_offset      => INTERVAL '1 day',
+			schedule_interval => INTERVAL '1 day',
+			if_not_exists   => TRUE
+		);
+	`);
+	await pool.query(`CALL refresh_continuous_aggregate('checks_daily', NULL, NULL);`);
+
+	// Infrastructure Metrics (Hourly)
+	await pool.query(`
+		CREATE MATERIALIZED VIEW IF NOT EXISTS hardware_hourly
+		WITH (timescaledb.continuous) AS
+		SELECT
+			monitor_id,
+			time_bucket('1 hour', created_at) AS bucket,
+			AVG(cpu_usage_percent)              AS avg_cpu,
+			MAX(cpu_usage_percent)              AS max_cpu,
+			AVG(mem_usage_percent)              AS avg_memory,
+			MAX(mem_usage_percent)              AS max_memory,
+			COUNT(*)                            AS sample_count
+		FROM checks
+		WHERE monitor_type = 'hardware'
+		GROUP BY monitor_id, bucket
+		WITH NO DATA;
+	`);
+	await pool.query(`ALTER MATERIALIZED VIEW hardware_hourly SET (timescaledb.materialized_only = false);`);
+	await pool.query(`
+		SELECT add_continuous_aggregate_policy('hardware_hourly',
+			start_offset    => INTERVAL '3 hours',
+			end_offset      => INTERVAL '1 hour',
+			schedule_interval => INTERVAL '1 hour',
+			if_not_exists   => TRUE
+		);
+	`);
+	await pool.query(`CALL refresh_continuous_aggregate('hardware_hourly', NULL, NULL);`);
+
+	// PageSpeed Scores (Daily)
+	await pool.query(`
+		CREATE MATERIALIZED VIEW IF NOT EXISTS pagespeed_daily
+		WITH (timescaledb.continuous) AS
+		SELECT
+			monitor_id,
+			time_bucket('1 day', created_at) AS bucket,
+			AVG(lighthouse_performance)         AS avg_performance,
+			AVG(lighthouse_accessibility)       AS avg_accessibility,
+			AVG(lighthouse_best_practices)      AS avg_best_practices,
+			AVG(lighthouse_seo)                 AS avg_seo,
+			COUNT(*)                            AS sample_count
+		FROM checks
+		WHERE monitor_type = 'pagespeed'
+		GROUP BY monitor_id, bucket
+		WITH NO DATA;
+	`);
+	await pool.query(`ALTER MATERIALIZED VIEW pagespeed_daily SET (timescaledb.materialized_only = false);`);
+	await pool.query(`
+		SELECT add_continuous_aggregate_policy('pagespeed_daily',
+			start_offset    => INTERVAL '3 days',
+			end_offset      => INTERVAL '1 day',
+			schedule_interval => INTERVAL '1 day',
+			if_not_exists   => TRUE
+		);
+	`);
+	await pool.query(`CALL refresh_continuous_aggregate('pagespeed_daily', NULL, NULL);`);
+};
+
+export const dropContinuousAggregates = async (pool: Pool) => {
+	await pool.query(`
+		DROP MATERIALIZED VIEW IF EXISTS pagespeed_daily CASCADE;
+		DROP MATERIALIZED VIEW IF EXISTS hardware_hourly CASCADE;
+		DROP MATERIALIZED VIEW IF EXISTS checks_daily CASCADE;
+		DROP MATERIALIZED VIEW IF EXISTS checks_hourly CASCADE;
+	`);
+};

server/src/db/migration/timescaledb/0021_create_retention_compression.ts

@@ -0,0 +1,135 @@
+import type { Pool } from "pg";
+
+export const createRetentionCompression = async (pool: Pool) => {
+	// -- Compression policies --
+
+	// Checks
+	await pool.query(`
+		ALTER TABLE checks SET (
+			timescaledb.compress,
+			timescaledb.compress_segmentby = 'monitor_id',
+			timescaledb.compress_orderby = 'created_at DESC'
+		);
+		SELECT add_compression_policy('checks', INTERVAL '2 days', if_not_exists => TRUE);
+	`);
+
+	// Check child tables
+	await pool.query(`
+		ALTER TABLE check_disks SET (
+			timescaledb.compress,
+			timescaledb.compress_segmentby = 'check_id',
+			timescaledb.compress_orderby = 'check_created_at DESC'
+		);
+		SELECT add_compression_policy('check_disks', INTERVAL '2 days', if_not_exists => TRUE);
+	`);
+
+	await pool.query(`
+		ALTER TABLE check_network_interfaces SET (
+			timescaledb.compress,
+			timescaledb.compress_segmentby = 'check_id',
+			timescaledb.compress_orderby = 'check_created_at DESC'
+		);
+		SELECT add_compression_policy('check_network_interfaces', INTERVAL '2 days', if_not_exists => TRUE);
+	`);
+
+	await pool.query(`
+		ALTER TABLE check_errors SET (
+			timescaledb.compress,
+			timescaledb.compress_segmentby = 'check_id',
+			timescaledb.compress_orderby = 'check_created_at DESC'
+		);
+		SELECT add_compression_policy('check_errors', INTERVAL '2 days', if_not_exists => TRUE);
+	`);
+
+	// Geo checks
+	await pool.query(`
+		ALTER TABLE geo_checks SET (
+			timescaledb.compress,
+			timescaledb.compress_segmentby = 'monitor_id',
+			timescaledb.compress_orderby = 'created_at DESC'
+		);
+		SELECT add_compression_policy('geo_checks', INTERVAL '2 days', if_not_exists => TRUE);
+	`);
+
+	await pool.query(`
+		ALTER TABLE geo_check_results SET (
+			timescaledb.compress,
+			timescaledb.compress_segmentby = 'geo_check_id',
+			timescaledb.compress_orderby = 'geo_check_created_at DESC'
+		);
+		SELECT add_compression_policy('geo_check_results', INTERVAL '2 days', if_not_exists => TRUE);
+	`);
+
+	// -- Retention policies (default 30 days) --
+
+	await pool.query(`
+		SELECT add_retention_policy('checks', INTERVAL '30 days', if_not_exists => TRUE);
+		SELECT add_retention_policy('check_disks', INTERVAL '30 days', if_not_exists => TRUE);
+		SELECT add_retention_policy('check_network_interfaces', INTERVAL '30 days', if_not_exists => TRUE);
+		SELECT add_retention_policy('check_errors', INTERVAL '30 days', if_not_exists => TRUE);
+		SELECT add_retention_policy('geo_checks', INTERVAL '30 days', if_not_exists => TRUE);
+		SELECT add_retention_policy('geo_check_results', INTERVAL '30 days', if_not_exists => TRUE);
+	`);
+
+	// -- Dynamic retention helper function --
+
+	await pool.query(`
+		CREATE OR REPLACE FUNCTION update_check_retention(new_ttl_days INTEGER)
+		RETURNS VOID AS $$
+		DECLARE
+			ttl_interval INTERVAL;
+		BEGIN
+			ttl_interval := (new_ttl_days || ' days')::INTERVAL;
+
+			PERFORM remove_retention_policy('checks', if_exists => true);
+			PERFORM remove_retention_policy('check_disks', if_exists => true);
+			PERFORM remove_retention_policy('check_network_interfaces', if_exists => true);
+			PERFORM remove_retention_policy('check_errors', if_exists => true);
+			PERFORM remove_retention_policy('geo_checks', if_exists => true);
+			PERFORM remove_retention_policy('geo_check_results', if_exists => true);
+
+			PERFORM add_retention_policy('checks', ttl_interval);
+			PERFORM add_retention_policy('check_disks', ttl_interval);
+			PERFORM add_retention_policy('check_network_interfaces', ttl_interval);
+			PERFORM add_retention_policy('check_errors', ttl_interval);
+			PERFORM add_retention_policy('geo_checks', ttl_interval);
+			PERFORM add_retention_policy('geo_check_results', ttl_interval);
+		END;
+		$$ LANGUAGE plpgsql;
+	`);
+};
+
+export const dropRetentionCompression = async (pool: Pool) => {
+	// Remove retention policies
+	await pool.query(`
+		SELECT remove_retention_policy('checks', if_exists => true);
+		SELECT remove_retention_policy('check_disks', if_exists => true);
+		SELECT remove_retention_policy('check_network_interfaces', if_exists => true);
+		SELECT remove_retention_policy('check_errors', if_exists => true);
+		SELECT remove_retention_policy('geo_checks', if_exists => true);
+		SELECT remove_retention_policy('geo_check_results', if_exists => true);
+	`);
+
+	// Remove compression policies
+	await pool.query(`
+		SELECT remove_compression_policy('checks', if_exists => true);
+		SELECT remove_compression_policy('check_disks', if_exists => true);
+		SELECT remove_compression_policy('check_network_interfaces', if_exists => true);
+		SELECT remove_compression_policy('check_errors', if_exists => true);
+		SELECT remove_compression_policy('geo_checks', if_exists => true);
+		SELECT remove_compression_policy('geo_check_results', if_exists => true);
+	`);
+
+	// Disable compression on tables
+	await pool.query(`
+		ALTER TABLE checks SET (timescaledb.compress = false);
+		ALTER TABLE check_disks SET (timescaledb.compress = false);
+		ALTER TABLE check_network_interfaces SET (timescaledb.compress = false);
+		ALTER TABLE check_errors SET (timescaledb.compress = false);
+		ALTER TABLE geo_checks SET (timescaledb.compress = false);
+		ALTER TABLE geo_check_results SET (timescaledb.compress = false);
+	`);
+
+	// Drop dynamic retention function
+	await pool.query(`DROP FUNCTION IF EXISTS update_check_retention(INTEGER);`);
+};

server/src/db/migration/timescaledb/index.ts

@@ -0,0 +1,148 @@
+import type { Pool } from "pg";
+import type { ILogger } from "@/utils/logger.js";
+import { createEnums, dropEnums } from "./0001_create_enums.js";
+import { createTeams, dropTeams } from "./0002_create_teams.js";
+import { createUsers, dropUsers } from "./0003_create_users.js";
+import { createMonitors, dropMonitors } from "./0004_create_monitors.js";
+import { createNotifications, dropNotifications } from "./0005_create_notifications.js";
+import { createMonitorNotifications, dropMonitorNotifications } from "./0006_create_monitor_notifications.js";
+import { createIncidents, dropIncidents } from "./0007_create_incidents.js";
+import { createMonitorStats, dropMonitorStats } from "./0008_create_monitor_stats.js";
+import { createChecks, dropChecks } from "./0009_create_checks.js";
+import { createCheckDisks, dropCheckDisks } from "./0010_create_check_disks.js";
+import { createCheckNetworkInterfaces, dropCheckNetworkInterfaces } from "./0011_create_check_network_interfaces.js";
+import { createCheckErrors, dropCheckErrors } from "./0012_create_check_errors.js";
+import { createGeoChecks, dropGeoChecks } from "./0013_create_geo_checks.js";
+import { createGeoCheckResults, dropGeoCheckResults } from "./0014_create_geo_check_results.js";
+import { createInvites, dropInvites } from "./0015_create_invites.js";
+import { createRecoveryTokens, dropRecoveryTokens } from "./0016_create_recovery_tokens.js";
+import { createMaintenanceWindows, dropMaintenanceWindows } from "./0017_create_maintenance_windows.js";
+import { createStatusPages, dropStatusPages } from "./0018_create_status_pages.js";
+import { createAppSettings, dropAppSettings } from "./0019_create_app_settings.js";
+import { createContinuousAggregates, dropContinuousAggregates } from "./0020_create_continuous_aggregates.js";
+import { createRetentionCompression, dropRetentionCompression } from "./0021_create_retention_compression.js";
+
+const SERVICE_NAME = "TimescaleDB Migrations";
+
+type MigrationEntry = {
+	name: string;
+	up: (pool: Pool) => Promise<void>;
+	down: (pool: Pool) => Promise<void>;
+};
+
+const migrations: MigrationEntry[] = [
+	{ name: "0001_create_enums", up: createEnums, down: dropEnums },
+	{ name: "0002_create_teams", up: createTeams, down: dropTeams },
+	{ name: "0003_create_users", up: createUsers, down: dropUsers },
+	{ name: "0004_create_monitors", up: createMonitors, down: dropMonitors },
+	{ name: "0005_create_notifications", up: createNotifications, down: dropNotifications },
+	{ name: "0006_create_monitor_notifications", up: createMonitorNotifications, down: dropMonitorNotifications },
+	{ name: "0007_create_incidents", up: createIncidents, down: dropIncidents },
+	{ name: "0008_create_monitor_stats", up: createMonitorStats, down: dropMonitorStats },
+	{ name: "0009_create_checks", up: createChecks, down: dropChecks },
+	{ name: "0010_create_check_disks", up: createCheckDisks, down: dropCheckDisks },
+	{ name: "0011_create_check_network_interfaces", up: createCheckNetworkInterfaces, down: dropCheckNetworkInterfaces },
+	{ name: "0012_create_check_errors", up: createCheckErrors, down: dropCheckErrors },
+	{ name: "0013_create_geo_checks", up: createGeoChecks, down: dropGeoChecks },
+	{ name: "0014_create_geo_check_results", up: createGeoCheckResults, down: dropGeoCheckResults },
+	{ name: "0015_create_invites", up: createInvites, down: dropInvites },
+	{ name: "0016_create_recovery_tokens", up: createRecoveryTokens, down: dropRecoveryTokens },
+	{ name: "0017_create_maintenance_windows", up: createMaintenanceWindows, down: dropMaintenanceWindows },
+	{ name: "0018_create_status_pages", up: createStatusPages, down: dropStatusPages },
+	{ name: "0019_create_app_settings", up: createAppSettings, down: dropAppSettings },
+	{ name: "0020_create_continuous_aggregates", up: createContinuousAggregates, down: dropContinuousAggregates },
+	{ name: "0021_create_retention_compression", up: createRetentionCompression, down: dropRetentionCompression },
+];
+
+const ensureMigrationsTable = async (pool: Pool) => {
+	await pool.query(`
+		DO $$ BEGIN
+			CREATE TYPE migration_status AS ENUM ('completed', 'failed');
+		EXCEPTION
+			WHEN duplicate_object THEN NULL;
+		END $$;
+	`);
+	await pool.query(`
+		CREATE TABLE IF NOT EXISTS migrations (
+			id              UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+			name            TEXT NOT NULL UNIQUE,
+			status          migration_status NOT NULL,
+			completed_at    TIMESTAMPTZ,
+			error           TEXT,
+			created_at      TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+			updated_at      TIMESTAMPTZ NOT NULL DEFAULT NOW()
+		);
+	`);
+};
+
+const runTimescaleDBMigrations = async (pool: Pool, logger?: ILogger) => {
+	try {
+		logger?.info({ message: "Running migrations", service: SERVICE_NAME });
+
+		await ensureMigrationsTable(pool);
+
+		for (const migration of migrations) {
+			const result = await pool.query("SELECT 1 FROM migrations WHERE name = $1 AND status = 'completed'", [migration.name]);
+			if (result.rowCount !== null && result.rowCount > 0) {
+				logger?.info({ message: `Skipping ${migration.name}`, service: SERVICE_NAME });
+				continue;
+			}
+
+			try {
+				await migration.up(pool);
+				await pool.query(
+					`INSERT INTO migrations (name, status, completed_at)
+					 VALUES ($1, 'completed', NOW())
+					 ON CONFLICT (name) DO UPDATE SET status = 'completed', completed_at = NOW(), error = NULL, updated_at = NOW()`,
+					[migration.name]
+				);
+				logger?.info({ message: `Completed ${migration.name}`, service: SERVICE_NAME });
+			} catch (error) {
+				const err = error as Error;
+				await pool.query(
+					`INSERT INTO migrations (name, status, error)
+					 VALUES ($1, 'failed', $2)
+					 ON CONFLICT (name) DO UPDATE SET status = 'failed', error = $2, updated_at = NOW()`,
+					[migration.name, err?.message]
+				);
+				throw error;
+			}
+		}
+
+		logger?.info({ message: "Migrations completed", service: SERVICE_NAME });
+	} catch (error) {
+		const err = error as Error;
+		logger?.error({ message: "Migration failed", service: SERVICE_NAME, details: { error: err?.message }, stack: err?.stack });
+		throw error;
+	}
+};
+
+const rollbackTimescaleDBMigration = async (pool: Pool, logger?: ILogger) => {
+	try {
+		await ensureMigrationsTable(pool);
+
+		// Find the last completed migration
+		const result = await pool.query("SELECT name FROM migrations WHERE status = 'completed' ORDER BY completed_at DESC LIMIT 1");
+		if (result.rowCount === 0) {
+			logger?.info({ message: "No migrations to roll back", service: SERVICE_NAME });
+			return;
+		}
+
+		const lastMigrationName = result.rows[0].name;
+		const migration = migrations.find((m) => m.name === lastMigrationName);
+		if (!migration) {
+			throw new Error(`Migration "${lastMigrationName}" not found in migration list`);
+		}
+
+		logger?.info({ message: `Rolling back ${migration.name}`, service: SERVICE_NAME });
+		await migration.down(pool);
+		await pool.query("DELETE FROM migrations WHERE name = $1", [migration.name]);
+		logger?.info({ message: `Rolled back ${migration.name}`, service: SERVICE_NAME });
+	} catch (error) {
+		const err = error as Error;
+		logger?.error({ message: "Rollback failed", service: SERVICE_NAME, details: { error: err?.message }, stack: err?.stack });
+		throw error;
+	}
+};
+
+export { runTimescaleDBMigrations, rollbackTimescaleDBMigration };

server/src/db/models/DLQItem.ts

@@ -0,0 +1,70 @@
+import { Schema, model, type Types } from "mongoose";
+import { DLQItemTypes, DLQItemStatuses, type DLQItem } from "@/types/dlqItem.js";
+
+export interface DLQItemDocument extends Omit<DLQItem, "id" | "monitorId" | "teamId" | "nextRetryAt" | "createdAt" | "updatedAt"> {
+	_id: Types.ObjectId;
+	monitorId: Types.ObjectId;
+	teamId: Types.ObjectId;
+	nextRetryAt: Date;
+	createdAt: Date;
+	updatedAt: Date;
+}
+
+const DLQItemSchema = new Schema<DLQItemDocument>(
+	{
+		type: {
+			type: String,
+			enum: DLQItemTypes,
+			required: true,
+		},
+		status: {
+			type: String,
+			enum: DLQItemStatuses,
+			default: "pending",
+		},
+		payload: {
+			type: Schema.Types.Mixed,
+			required: true,
+		},
+		monitorId: {
+			type: Schema.Types.ObjectId,
+			ref: "Monitor",
+			required: true,
+			immutable: true,
+			index: true,
+		},
+		teamId: {
+			type: Schema.Types.ObjectId,
+			ref: "Team",
+			required: true,
+			immutable: true,
+			index: true,
+		},
+		retryCount: {
+			type: Number,
+			default: 0,
+		},
+		maxRetries: {
+			type: Number,
+			default: 5,
+		},
+		lastError: {
+			type: String,
+			default: "",
+		},
+		nextRetryAt: {
+			type: Date,
+			required: true,
+		},
+	},
+	{ timestamps: true }
+);
+
+DLQItemSchema.index({ status: 1, nextRetryAt: 1 });
+DLQItemSchema.index({ teamId: 1, status: 1 });
+DLQItemSchema.index({ createdAt: 1 });
+
+const DLQItemModel = model<DLQItemDocument>("DLQItem", DLQItemSchema);
+
+export { DLQItemModel };
+export default DLQItemModel;

server/src/db/models/Notification.ts

@@ -25,7 +25,7 @@ const NotificationSchema = new Schema<NotificationDocument>(
 		},
 		type: {
 			type: String,
-			enum: ["email", "slack", "discord", "webhook", "pager_duty", "matrix", "teams"] as NotificationChannel[],
+			enum: ["email", "slack", "discord", "webhook", "pager_duty", "matrix", "teams", "telegram"] as NotificationChannel[],
 			required: true,
 		},
 		notificationName: {

server/src/db/models/index.ts

@@ -36,3 +36,6 @@ export { default as MaintenanceWindowModel } from "@/db/models/MaintenanceWindow
 
 export * from "@/db/models/GeoCheck.js";
 export { default as GeoCheckModel } from "@/db/models/GeoCheck.js";
+
+export * from "@/db/models/DLQItem.js";
+export { default as DLQItemModel } from "@/db/models/DLQItem.js";

server/src/index.ts

@@ -1,16 +1,14 @@
 import { initializeServices } from "./config/services.js";
 import { initializeControllers } from "./config/controllers.js";
 import { createApp } from "./app.js";
-import { initShutdownListener } from "./shutdown.js";
-import { validateEnv } from "./validation/envValidation.js";
+import { initShutdownListener } from "@/shutdown.js";
+import { validateEnv } from "@/validation/envValidation.js";
 import { fileURLToPath } from "url";
 import path from "path";
 import fs from "fs";
-import { runMigrations } from "./db/migration/index.js";
 
 import Logger, { ILogger } from "@/utils/logger.js";
 import { SettingsService } from "@/service/index.js";
-import { MongoSettingsRepository } from "./repositories/index.js";
 
 const SERVICE_NAME = "Server";
 let logger: ILogger;
@@ -25,19 +23,15 @@ const startApp = async () => {
 	const openApiSpec = JSON.parse(fs.readFileSync(path.join(__dirname, "../openapi.json"), "utf8"));
 	const frontendPath = path.join(__dirname, "..", "public");
 
-	// Create services
-	const settingsRepository = new MongoSettingsRepository();
-	const settingsService = new SettingsService(settingsRepository, env);
-
+	// Create settings service (env only — DB repository injected after connect)
+	const settingsService = new SettingsService(env);
 	const envSettings = settingsService.loadSettings();
 
 	// Create logger
 	logger = new Logger({ envSettings });
 
-	// Initialize services
-	const services = await initializeServices({ logger, envSettings, settingsService, settingsRepository });
-
-	await runMigrations(logger);
+	// Initialize services (connects DB, creates repositories, injects settingsRepository)
+	const services = await initializeServices({ logger, envSettings, settingsService });
 
 	// Initialize controllers
 	const controllers = initializeControllers(services);

server/src/middleware/handleErrors.ts

@@ -4,14 +4,14 @@ import { AppError } from "@/utils/AppError.js";
 
 const handleErrors = (error: unknown, req: Request, res: Response, _next: NextFunction) => {
 	const status = error instanceof AppError ? error.status || 500 : 500;
-	const message = error instanceof AppError ? error.message : "Server error";
+	const message = error instanceof AppError ? error.message : error instanceof Error ? error.message : "Server error";
 	const service = error instanceof AppError ? error.service : "unknownService";
 	const method = error instanceof AppError ? error.method : "unknownMethod";
 	logger.error({
 		message: message,
 		service: service,
 		method: method,
-		stack: error instanceof AppError ? error.stack : undefined,
+		stack: error instanceof Error ? error.stack : undefined,
 		details: error instanceof AppError ? error.details : undefined,
 	});
 	res.status(status).json({

server/src/repositories/dlq/IDLQRepository.ts

@@ -0,0 +1,30 @@
+import type { DLQItem, DLQItemType, DLQItemStatus } from "@/types/index.js";
+
+export interface DLQQueryFilters {
+	type?: DLQItemType;
+	status?: DLQItemStatus;
+	page: number;
+	rowsPerPage: number;
+}
+
+export interface DLQStatusCount {
+	status: DLQItemStatus;
+	type: DLQItemType;
+	count: number;
+}
+
+export interface IDLQRepository {
+	// create
+	create(item: Partial<DLQItem>): Promise<DLQItem>;
+	// fetch
+	findById(id: string): Promise<DLQItem | null>;
+	findByTeamId(teamId: string, filters: DLQQueryFilters): Promise<DLQItem[]>;
+	findRetryable(limit: number): Promise<DLQItem[]>;
+	countByTeamId(teamId: string): Promise<number>;
+	countByTeamIdGrouped(teamId: string): Promise<DLQStatusCount[]>;
+	// update
+	updateById(id: string, patch: Partial<DLQItem>): Promise<DLQItem>;
+	// delete
+	deleteById(id: string, teamId: string): Promise<number>;
+	deleteOlderThan(date: Date): Promise<number>;
+}

server/src/repositories/dlq/MongoDLQRepository.ts

@@ -0,0 +1,139 @@
+import { DLQItemModel } from "@/db/models/index.js";
+import type { DLQItemDocument } from "@/db/models/DLQItem.js";
+import type { DLQItem } from "@/types/index.js";
+import type { IDLQRepository, DLQQueryFilters, DLQStatusCount } from "@/repositories/dlq/IDLQRepository.js";
+import mongoose from "mongoose";
+import { AppError } from "@/utils/AppError.js";
+
+class MongoDLQRepository implements IDLQRepository {
+	private toStringId = (value?: mongoose.Types.ObjectId | string | null): string => {
+		if (!value) {
+			return "";
+		}
+		return value instanceof mongoose.Types.ObjectId ? value.toString() : String(value);
+	};
+
+	private toDateString = (value?: Date | string | null): string => {
+		if (!value) {
+			return new Date(0).toISOString();
+		}
+		return value instanceof Date ? value.toISOString() : new Date(value).toISOString();
+	};
+
+	protected toEntity = (doc: DLQItemDocument): DLQItem => {
+		return {
+			id: this.toStringId(doc._id),
+			type: doc.type,
+			status: doc.status,
+			payload: doc.payload,
+			monitorId: this.toStringId(doc.monitorId),
+			teamId: this.toStringId(doc.teamId),
+			retryCount: doc.retryCount,
+			maxRetries: doc.maxRetries,
+			lastError: doc.lastError,
+			nextRetryAt: this.toDateString(doc.nextRetryAt),
+			createdAt: this.toDateString(doc.createdAt),
+			updatedAt: this.toDateString(doc.updatedAt),
+		};
+	};
+
+	protected mapDocuments = (documents: DLQItemDocument[] | DLQItemDocument | null): DLQItem[] => {
+		if (!documents) {
+			return [];
+		}
+		if (Array.isArray(documents)) {
+			return documents.map((doc) => this.toEntity(doc));
+		}
+		return [this.toEntity(documents)];
+	};
+
+	async create(item: Partial<DLQItem>): Promise<DLQItem> {
+		const newItem = await DLQItemModel.create(item);
+		return this.toEntity(newItem);
+	}
+
+	findById = async (id: string): Promise<DLQItem | null> => {
+		const item = await DLQItemModel.findById(new mongoose.Types.ObjectId(id));
+		return item ? this.toEntity(item) : null;
+	};
+
+	findByTeamId = async (teamId: string, filters: DLQQueryFilters): Promise<DLQItem[]> => {
+		const query: Record<string, unknown> = {
+			teamId: new mongoose.Types.ObjectId(teamId),
+		};
+		if (filters.type) {
+			query.type = filters.type;
+		}
+		if (filters.status) {
+			query.status = filters.status;
+		}
+
+		const items = await DLQItemModel.find(query)
+			.sort({ createdAt: -1 })
+			.skip(filters.page * filters.rowsPerPage)
+			.limit(filters.rowsPerPage);
+		return this.mapDocuments(items);
+	};
+
+	findRetryable = async (limit: number): Promise<DLQItem[]> => {
+		const items = await DLQItemModel.find({
+			status: { $in: ["pending", "retrying"] },
+			nextRetryAt: { $lte: new Date() },
+		})
+			.sort({ nextRetryAt: 1 })
+			.limit(limit);
+		return this.mapDocuments(items);
+	};
+
+	countByTeamId = async (teamId: string): Promise<number> => {
+		return DLQItemModel.countDocuments({
+			teamId: new mongoose.Types.ObjectId(teamId),
+		});
+	};
+
+	countByTeamIdGrouped = async (teamId: string): Promise<DLQStatusCount[]> => {
+		const results = await DLQItemModel.aggregate([
+			{ $match: { teamId: new mongoose.Types.ObjectId(teamId) } },
+			{
+				$group: {
+					_id: { status: "$status", type: "$type" },
+					count: { $sum: 1 },
+				},
+			},
+		]);
+		return results.map((r) => ({
+			status: r._id.status,
+			type: r._id.type,
+			count: r.count,
+		}));
+	};
+
+	updateById = async (id: string, patch: Partial<DLQItem>): Promise<DLQItem> => {
+		const updated = await DLQItemModel.findOneAndUpdate(
+			{ _id: new mongoose.Types.ObjectId(id) },
+			{ $set: { ...patch } },
+			{ new: true, runValidators: true }
+		);
+		if (!updated) {
+			throw new AppError({ message: `DLQ item with id ${id} not found`, status: 404 });
+		}
+		return this.toEntity(updated);
+	};
+
+	deleteById = async (id: string, teamId: string): Promise<number> => {
+		const result = await DLQItemModel.deleteOne({
+			_id: new mongoose.Types.ObjectId(id),
+			teamId: new mongoose.Types.ObjectId(teamId),
+		});
+		return result.deletedCount || 0;
+	};
+
+	deleteOlderThan = async (date: Date): Promise<number> => {
+		const result = await DLQItemModel.deleteMany({
+			createdAt: { $lt: date },
+		});
+		return result.deletedCount || 0;
+	};
+}
+
+export default MongoDLQRepository;

server/src/repositories/geo-checks/TimescaleGeoChecksRepository.ts

@@ -0,0 +1,274 @@
+import type { Pool } from "pg";
+import type { IGeoChecksRepository, FlatGeoChecksQueryResult } from "./IGeoChecksRepository.js";
+import type { GeoCheck, GeoCheckResult, GroupedGeoCheck, GeoContinent, FlatGeoCheck, MonitorType } from "@/types/index.js";
+import { getDateForRange } from "@/utils/dataUtils.js";
+
+const dateStringToBucket = (dateString: string): string => {
+	if (dateString.includes("%M")) return "1 minute";
+	if (dateString.includes("%H")) return "1 hour";
+	return "1 day";
+};
+
+export class TimescaleGeoChecksRepository implements IGeoChecksRepository {
+	constructor(private pool: Pool) {}
+
+	createGeoChecks = async (geoChecks: Omit<GeoCheck, "id" | "__v" | "createdAt" | "updatedAt">[]): Promise<GeoCheck[]> => {
+		const created: GeoCheck[] = [];
+
+		for (const geoCheck of geoChecks) {
+			const geoResult = await this.pool.query(
+				`INSERT INTO geo_checks (monitor_id, team_id, monitor_type, expiry)
+				 VALUES ($1, $2, $3, $4)
+				 RETURNING id, monitor_id, team_id, monitor_type, expiry, created_at, updated_at`,
+				[geoCheck.metadata.monitorId, geoCheck.metadata.teamId, geoCheck.metadata.type, geoCheck.expiry ? new Date(geoCheck.expiry) : null]
+			);
+			const row = geoResult.rows[0];
+			if (!row) continue;
+
+			for (const result of geoCheck.results) {
+				await this.pool.query(
+					`INSERT INTO geo_check_results (
+						geo_check_id, geo_check_created_at,
+						status, status_code,
+						location_continent, location_region, location_country, location_state, location_city,
+						location_longitude, location_latitude,
+						timing_total, timing_dns, timing_tcp, timing_tls, timing_first_byte, timing_download
+					 ) VALUES ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12,$13,$14,$15,$16,$17)`,
+					[
+						row.id,
+						row.created_at,
+						result.status,
+						result.statusCode,
+						result.location.continent,
+						result.location.region,
+						result.location.country,
+						result.location.state,
+						result.location.city,
+						result.location.longitude,
+						result.location.latitude,
+						result.timings.total,
+						result.timings.dns,
+						result.timings.tcp,
+						result.timings.tls,
+						result.timings.firstByte,
+						result.timings.download,
+					]
+				);
+			}
+
+			created.push(this.toGeoCheck(row, geoCheck.results));
+		}
+
+		return created;
+	};
+
+	findByMonitorId = async (
+		monitorId: string,
+		sortOrder: string,
+		dateRange: string,
+		page: number,
+		rowsPerPage: number,
+		continents?: GeoContinent[]
+	): Promise<FlatGeoChecksQueryResult> => {
+		const conditions: string[] = ["gc.monitor_id = $1"];
+		const values: unknown[] = [monitorId];
+		let paramIndex = 2;
+
+		const rangeDate = getDateForRange(dateRange);
+		if (rangeDate) {
+			conditions.push(`gc.created_at >= $${paramIndex++}`);
+			values.push(rangeDate);
+		}
+
+		if (continents && continents.length > 0) {
+			conditions.push(`r.location_continent = ANY($${paramIndex++})`);
+			values.push(continents);
+		}
+
+		const where = conditions.join(" AND ");
+		const direction = sortOrder === "asc" ? "ASC" : "DESC";
+		const offset = page && rowsPerPage ? page * rowsPerPage : 0;
+
+		const countValues = [...values];
+		const dataValues = [...values, rowsPerPage, offset];
+
+		const [countResult, dataResult] = await Promise.all([
+			this.pool.query(
+				`SELECT COUNT(*)::int AS count
+				 FROM geo_checks gc
+				 JOIN geo_check_results r ON r.geo_check_id = gc.id
+				 WHERE ${where}`,
+				countValues
+			),
+			this.pool.query(
+				`SELECT gc.id, gc.monitor_id, gc.team_id, gc.monitor_type,
+					r.location_continent, r.location_region, r.location_country, r.location_state, r.location_city,
+					r.location_longitude, r.location_latitude,
+					r.status, r.status_code,
+					r.timing_total, r.timing_dns, r.timing_tcp, r.timing_tls, r.timing_first_byte, r.timing_download,
+					gc.created_at, gc.updated_at
+				 FROM geo_checks gc
+				 JOIN geo_check_results r ON r.geo_check_id = gc.id
+				 WHERE ${where}
+				 ORDER BY gc.created_at ${direction}
+				 LIMIT $${paramIndex++} OFFSET $${paramIndex}`,
+				dataValues
+			),
+		]);
+
+		const geoChecks: FlatGeoCheck[] = dataResult.rows.map((row) => ({
+			id: `${row.monitor_id}-${new Date(row.created_at).getTime()}-${row.location_continent}-${row.location_city}-${row.id.substring(0, 8)}`,
+			monitorId: row.monitor_id,
+			teamId: row.team_id,
+			type: row.monitor_type,
+			location: {
+				continent: row.location_continent,
+				region: row.location_region,
+				country: row.location_country,
+				state: row.location_state,
+				city: row.location_city,
+				longitude: row.location_longitude,
+				latitude: row.location_latitude,
+			},
+			status: row.status,
+			statusCode: row.status_code,
+			timings: {
+				total: row.timing_total ?? 0,
+				dns: row.timing_dns ?? 0,
+				tcp: row.timing_tcp ?? 0,
+				tls: row.timing_tls ?? 0,
+				firstByte: row.timing_first_byte ?? 0,
+				download: row.timing_download ?? 0,
+			},
+			createdAt: row.created_at.toISOString(),
+			updatedAt: row.updated_at.toISOString(),
+		}));
+
+		return { geoChecksCount: countResult.rows[0].count, geoChecks };
+	};
+
+	findByMonitorIdAndDateRange = async (monitorId: string, startDate: Date, endDate: Date): Promise<GeoCheck[]> => {
+		const geoRows = await this.pool.query(
+			`SELECT id, monitor_id, team_id, monitor_type, expiry, created_at, updated_at
+			 FROM geo_checks
+			 WHERE monitor_id = $1 AND created_at >= $2 AND created_at <= $3
+			 ORDER BY created_at DESC`,
+			[monitorId, startDate, endDate]
+		);
+
+		const geoChecks: GeoCheck[] = [];
+		for (const row of geoRows.rows) {
+			const resultsRows = await this.pool.query(
+				`SELECT status, status_code,
+					location_continent, location_region, location_country, location_state, location_city,
+					location_longitude, location_latitude,
+					timing_total, timing_dns, timing_tcp, timing_tls, timing_first_byte, timing_download
+				 FROM geo_check_results
+				 WHERE geo_check_id = $1`,
+				[row.id]
+			);
+
+			const results = resultsRows.rows.map(this.toGeoCheckResult);
+			geoChecks.push(this.toGeoCheck(row, results));
+		}
+
+		return geoChecks;
+	};
+
+	findGroupedByMonitorIdAndDateRange = async (
+		monitorId: string,
+		startDate: Date,
+		endDate: Date,
+		dateFormat: string,
+		continents?: GeoContinent[]
+	): Promise<GroupedGeoCheck[]> => {
+		const bucket = dateStringToBucket(dateFormat);
+
+		const conditions: string[] = ["gc.monitor_id = $2", "gc.created_at >= $3", "gc.created_at <= $4"];
+		const values: unknown[] = [bucket, monitorId, startDate, endDate];
+		let paramIndex = 5;
+
+		if (continents && continents.length > 0) {
+			conditions.push(`r.location_continent = ANY($${paramIndex++})`);
+			values.push(continents);
+		}
+
+		const result = await this.pool.query(
+			`SELECT
+				time_bucket($1::interval, gc.created_at) AS bucket_date,
+				r.location_continent AS continent,
+				ROUND(AVG(r.timing_total)::numeric, 2) AS "avgResponseTime",
+				COUNT(*)::int AS "totalChecks",
+				ROUND((100.0 * COUNT(*) FILTER (WHERE r.status = TRUE) / COUNT(*))::numeric, 2) AS "uptimePercentage"
+			 FROM geo_checks gc
+			 JOIN geo_check_results r ON r.geo_check_id = gc.id
+			 WHERE ${conditions.join(" AND ")}
+			 GROUP BY bucket_date, r.location_continent
+			 ORDER BY bucket_date, r.location_continent`,
+			values
+		);
+
+		return result.rows.map((row) => ({
+			bucketDate: (row.bucket_date as Date).toISOString(),
+			continent: row.continent as GeoContinent,
+			avgResponseTime: Number(row.avgResponseTime ?? 0),
+			totalChecks: Number(row.totalChecks ?? 0),
+			uptimePercentage: Number(row.uptimePercentage ?? 0),
+		}));
+	};
+
+	deleteByMonitorId = async (monitorId: string): Promise<number> => {
+		const result = await this.pool.query(`DELETE FROM geo_checks WHERE monitor_id = $1`, [monitorId]);
+		return result.rowCount ?? 0;
+	};
+
+	deleteByTeamId = async (teamId: string): Promise<number> => {
+		const result = await this.pool.query(`DELETE FROM geo_checks WHERE team_id = $1`, [teamId]);
+		return result.rowCount ?? 0;
+	};
+
+	deleteByMonitorIdsNotIn = async (monitorIds: string[]): Promise<number> => {
+		if (!monitorIds.length) {
+			const result = await this.pool.query(`DELETE FROM geo_checks`);
+			return result.rowCount ?? 0;
+		}
+		const result = await this.pool.query(`DELETE FROM geo_checks WHERE monitor_id != ALL($1)`, [monitorIds]);
+		return result.rowCount ?? 0;
+	};
+
+	private toGeoCheckResult = (row: Record<string, unknown>): GeoCheckResult => ({
+		location: {
+			continent: (row.location_continent as GeoContinent) ?? "",
+			region: (row.location_region as string) ?? "",
+			country: (row.location_country as string) ?? "",
+			state: (row.location_state as string) ?? "",
+			city: (row.location_city as string) ?? "",
+			longitude: (row.location_longitude as number) ?? 0,
+			latitude: (row.location_latitude as number) ?? 0,
+		},
+		status: (row.status as boolean) ?? false,
+		statusCode: (row.status_code as number) ?? 0,
+		timings: {
+			total: (row.timing_total as number) ?? 0,
+			dns: (row.timing_dns as number) ?? 0,
+			tcp: (row.timing_tcp as number) ?? 0,
+			tls: (row.timing_tls as number) ?? 0,
+			firstByte: (row.timing_first_byte as number) ?? 0,
+			download: (row.timing_download as number) ?? 0,
+		},
+	});
+
+	private toGeoCheck = (row: Record<string, unknown>, results: GeoCheckResult[]): GeoCheck => ({
+		id: row.id as string,
+		metadata: {
+			monitorId: row.monitor_id as string,
+			teamId: row.team_id as string,
+			type: row.monitor_type as MonitorType,
+		},
+		results,
+		expiry: row.expiry ? (row.expiry as Date).toISOString() : new Date(0).toISOString(),
+		__v: 0,
+		createdAt: (row.created_at as Date).toISOString(),
+		updatedAt: (row.updated_at as Date).toISOString(),
+	});
+}

server/src/repositories/incidents/MongoIncidentsRepository.ts

@@ -5,7 +5,7 @@ import type { IIncidentsRepository } from "@/repositories/index.js";
 import mongoose from "mongoose";
 import { AppError } from "@/utils/AppError.js";
 
-class MongoIncidentRepository implements IIncidentsRepository {
+class MongoIncidentsRepository implements IIncidentsRepository {
 	private toStringId = (value?: mongoose.Types.ObjectId | string | null): string => {
 		if (!value) {
 			return "";
@@ -288,4 +288,4 @@ class MongoIncidentRepository implements IIncidentsRepository {
 		return result.deletedCount ?? 0;
 	};
 }
-export default MongoIncidentRepository;
+export default MongoIncidentsRepository;

server/src/repositories/incidents/TimescaleIncidentsRepository.ts

@@ -0,0 +1,294 @@
+import type { Pool } from "pg";
+import type { Incident, IncidentSummary, IncidentResolutionType } from "@/types/incident.js";
+import type { IIncidentsRepository } from "@/repositories/incidents/IIncidentsRepository.js";
+import { AppError } from "@/utils/AppError.js";
+
+interface IncidentRow {
+	id: string;
+	monitor_id: string;
+	team_id: string;
+	start_time: Date;
+	end_time: Date | null;
+	status: boolean;
+	message: string | null;
+	status_code: number | null;
+	resolution_type: IncidentResolutionType;
+	resolved_by: string | null;
+	resolved_by_email: string | null;
+	comment: string | null;
+	created_at: Date;
+	updated_at: Date;
+}
+
+const COLUMNS = `id, monitor_id, team_id, start_time, end_time, status, message, status_code,
+	resolution_type, resolved_by, resolved_by_email, comment, created_at, updated_at`;
+
+export class TimescaleIncidentsRepository implements IIncidentsRepository {
+	constructor(private pool: Pool) {}
+
+	create = async (incident: Partial<Incident>): Promise<Incident> => {
+		const result = await this.pool.query<IncidentRow>(
+			`INSERT INTO incidents (monitor_id, team_id, start_time, end_time, status, message, status_code, resolution_type, resolved_by, resolved_by_email, comment)
+			 VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11)
+			 RETURNING ${COLUMNS}`,
+			[
+				incident.monitorId,
+				incident.teamId,
+				incident.startTime ? new Date(Number(incident.startTime) || incident.startTime) : new Date(),
+				incident.endTime ? new Date(Number(incident.endTime) || incident.endTime) : null,
+				incident.status ?? true,
+				incident.message ?? null,
+				incident.statusCode ?? null,
+				incident.resolutionType ?? null,
+				incident.resolvedBy ?? null,
+				incident.resolvedByEmail ?? null,
+				incident.comment ?? null,
+			]
+		);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "Failed to create incident", status: 500 });
+		}
+		return this.toEntity(row);
+	};
+
+	findById = async (incidentId: string, teamId: string): Promise<Incident> => {
+		const result = await this.pool.query<IncidentRow>(`SELECT ${COLUMNS} FROM incidents WHERE id = $1 AND team_id = $2`, [incidentId, teamId]);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: `Incident with id ${incidentId} not found`, status: 404 });
+		}
+		return this.toEntity(row);
+	};
+
+	findActiveByIncidentId = async (incidentId: string, teamId: string): Promise<Incident | null> => {
+		const result = await this.pool.query<IncidentRow>(`SELECT ${COLUMNS} FROM incidents WHERE id = $1 AND team_id = $2 AND status = TRUE`, [
+			incidentId,
+			teamId,
+		]);
+		const row = result.rows[0];
+		return row ? this.toEntity(row) : null;
+	};
+
+	findActiveByMonitorId = async (monitorId: string, teamId: string): Promise<Incident | null> => {
+		const result = await this.pool.query<IncidentRow>(`SELECT ${COLUMNS} FROM incidents WHERE monitor_id = $1 AND team_id = $2 AND status = TRUE`, [
+			monitorId,
+			teamId,
+		]);
+		const row = result.rows[0];
+		return row ? this.toEntity(row) : null;
+	};
+
+	findByTeamId = async (
+		teamId: string,
+		startDate: Date | undefined,
+		page: number,
+		rowsPerPage: number,
+		sortOrder?: string,
+		status?: boolean,
+		monitorId?: string,
+		resolutionType?: string
+	): Promise<Incident[]> => {
+		const { conditions, values, paramIndex } = this.buildWhere(teamId, startDate, status, monitorId, resolutionType);
+		const direction = sortOrder === "asc" ? "ASC" : "DESC";
+		const offset = page * rowsPerPage;
+
+		const result = await this.pool.query<IncidentRow>(
+			`SELECT ${COLUMNS} FROM incidents
+			 WHERE ${conditions.join(" AND ")}
+			 ORDER BY created_at ${direction}
+			 LIMIT $${paramIndex} OFFSET $${paramIndex + 1}`,
+			[...values, rowsPerPage, offset]
+		);
+		return result.rows.map(this.toEntity);
+	};
+
+	countByTeamId = async (
+		teamId: string,
+		startDate: Date | undefined,
+		status?: boolean,
+		monitorId?: string,
+		resolutionType?: string
+	): Promise<number> => {
+		const { conditions, values } = this.buildWhere(teamId, startDate, status, monitorId, resolutionType);
+		const result = await this.pool.query(`SELECT COUNT(*)::int AS count FROM incidents WHERE ${conditions.join(" AND ")}`, values);
+		return result.rows[0].count;
+	};
+
+	findSummaryByTeamId = async (teamId: string, limit?: number): Promise<IncidentSummary> => {
+		// Counts by status and resolution type
+		const countsResult = await this.pool.query(
+			`SELECT
+				COUNT(*)::int AS total,
+				COUNT(*) FILTER (WHERE status = TRUE)::int AS active,
+				COUNT(*) FILTER (WHERE resolution_type = 'manual')::int AS manual,
+				COUNT(*) FILTER (WHERE resolution_type = 'automatic')::int AS automatic
+			 FROM incidents WHERE team_id = $1`,
+			[teamId]
+		);
+		const counts = countsResult.rows[0] ?? { total: 0, active: 0, manual: 0, automatic: 0 };
+
+		// Average resolution time
+		const resTimeResult = await this.pool.query(
+			`SELECT AVG(EXTRACT(EPOCH FROM (end_time - start_time))) AS avg_seconds
+			 FROM incidents
+			 WHERE team_id = $1 AND status = FALSE AND end_time IS NOT NULL`,
+			[teamId]
+		);
+		const avgSeconds = resTimeResult.rows[0]?.avg_seconds ?? 0;
+		const avgResolutionTimeHours = Math.round((avgSeconds / 3600) * 100) / 100;
+
+		// Top monitor by incident count
+		const topMonitorResult = await this.pool.query(
+			`SELECT i.monitor_id, m.name AS monitor_name, COUNT(*)::int AS count
+			 FROM incidents i
+			 LEFT JOIN monitors m ON m.id = i.monitor_id
+			 WHERE i.team_id = $1
+			 GROUP BY i.monitor_id, m.name
+			 ORDER BY count DESC
+			 LIMIT 1`,
+			[teamId]
+		);
+
+		// Latest incidents
+		const latestLimit = Math.max(1, Number.isFinite(Number(limit)) ? Number(limit) : 10);
+		const latestResult = await this.pool.query(
+			`SELECT i.id, i.monitor_id, m.name AS monitor_name, i.status, i.start_time, i.end_time,
+				i.resolution_type, i.message, i.status_code, i.created_at
+			 FROM incidents i
+			 LEFT JOIN monitors m ON m.id = i.monitor_id
+			 WHERE i.team_id = $1
+			 ORDER BY i.created_at DESC
+			 LIMIT $2`,
+			[teamId, latestLimit]
+		);
+
+		const topRow = topMonitorResult.rows[0];
+
+		return {
+			total: counts.total,
+			totalActive: counts.active,
+			totalManualResolutions: counts.manual,
+			totalAutomaticResolutions: counts.automatic,
+			avgResolutionTimeHours,
+			topMonitor: topRow
+				? {
+						monitorId: topRow.monitor_id,
+						monitorName: topRow.monitor_name ?? null,
+						incidentCount: topRow.count,
+					}
+				: null,
+			latestIncidents: latestResult.rows.map((row) => ({
+				id: row.id,
+				monitorId: row.monitor_id,
+				monitorName: row.monitor_name ?? null,
+				status: row.status,
+				startTime: row.start_time.toISOString(),
+				endTime: row.end_time ? row.end_time.toISOString() : null,
+				resolutionType: row.resolution_type ?? null,
+				message: row.message ?? null,
+				statusCode: row.status_code ?? null,
+				createdAt: row.created_at.toISOString(),
+			})),
+		};
+	};
+
+	updateById = async (incidentId: string, teamId: string, patch: Partial<Incident>): Promise<Incident> => {
+		const sets: string[] = [];
+		const values: unknown[] = [];
+		let paramIndex = 1;
+
+		const fieldMap: [keyof Incident, string][] = [
+			["status", "status"],
+			["message", "message"],
+			["statusCode", "status_code"],
+			["endTime", "end_time"],
+			["resolutionType", "resolution_type"],
+			["resolvedBy", "resolved_by"],
+			["resolvedByEmail", "resolved_by_email"],
+			["comment", "comment"],
+		];
+
+		for (const [key, column] of fieldMap) {
+			if (patch[key] !== undefined) {
+				const value = key === "endTime" && patch[key] ? new Date(Number(patch[key]) || (patch[key] as string)) : patch[key];
+				sets.push(`${column} = $${paramIndex++}`);
+				values.push(value);
+			}
+		}
+
+		if (sets.length === 0) {
+			return this.findById(incidentId, teamId);
+		}
+
+		sets.push(`updated_at = NOW()`);
+		values.push(incidentId, teamId);
+
+		const result = await this.pool.query<IncidentRow>(
+			`UPDATE incidents SET ${sets.join(", ")} WHERE id = $${paramIndex++} AND team_id = $${paramIndex}
+			 RETURNING ${COLUMNS}`,
+			values
+		);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: `Failed to update incident with id ${incidentId}`, status: 500 });
+		}
+		return this.toEntity(row);
+	};
+
+	deleteByMonitorId = async (monitorId: string, teamId: string): Promise<number> => {
+		const result = await this.pool.query(`DELETE FROM incidents WHERE monitor_id = $1 AND team_id = $2`, [monitorId, teamId]);
+		return result.rowCount ?? 0;
+	};
+
+	deleteByMonitorIdsNotIn = async (monitorIds: string[]): Promise<number> => {
+		if (!monitorIds.length) {
+			const result = await this.pool.query(`DELETE FROM incidents`);
+			return result.rowCount ?? 0;
+		}
+		const result = await this.pool.query(`DELETE FROM incidents WHERE monitor_id != ALL($1)`, [monitorIds]);
+		return result.rowCount ?? 0;
+	};
+
+	private buildWhere = (teamId: string, startDate: Date | undefined, status?: boolean, monitorId?: string, resolutionType?: string) => {
+		const conditions: string[] = ["team_id = $1"];
+		const values: unknown[] = [teamId];
+		let paramIndex = 2;
+
+		if (startDate) {
+			conditions.push(`created_at >= $${paramIndex++}`);
+			values.push(startDate);
+		}
+		if (status !== undefined) {
+			conditions.push(`status = $${paramIndex++}`);
+			values.push(status);
+		}
+		if (monitorId) {
+			conditions.push(`monitor_id = $${paramIndex++}`);
+			values.push(monitorId);
+		}
+		if (resolutionType) {
+			conditions.push(`resolution_type = $${paramIndex++}`);
+			values.push(resolutionType);
+		}
+
+		return { conditions, values, paramIndex };
+	};
+
+	private toEntity = (row: IncidentRow): Incident => ({
+		id: row.id,
+		monitorId: row.monitor_id,
+		teamId: row.team_id,
+		startTime: row.start_time.toISOString(),
+		endTime: row.end_time ? row.end_time.toISOString() : null,
+		status: row.status,
+		message: row.message ?? null,
+		statusCode: row.status_code ?? null,
+		resolutionType: row.resolution_type ?? null,
+		resolvedBy: row.resolved_by ?? null,
+		resolvedByEmail: row.resolved_by_email ?? null,
+		comment: row.comment ?? null,
+		createdAt: row.created_at.toISOString(),
+		updatedAt: row.updated_at.toISOString(),
+	});
+}

server/src/repositories/index.ts

@@ -1,38 +1,54 @@
 export * from "@/repositories/monitors/IMonitorsRepository.js";
 export { default as MongoMonitorsRepository } from "@/repositories/monitors/MongoMonitorsRepository.js";
+export { TimescaleMonitorsRepository } from "@/repositories/monitors/TimescaleMonitorsRepository.js";
 
 export * from "@/repositories/checks/IChecksRepository.js";
 export { default as MongoChecksRepository } from "@/repositories/checks/MongoChecksRepistory.js";
+export { TimescaleChecksRepository } from "@/repositories/checks/TimescaleChecksRepository.js";
 
 export * from "@/repositories/monitor-stats/IMonitorStatsRepository.js";
 export { default as MongoMonitorStatsRepository } from "@/repositories/monitor-stats/MongoMonitorStatsRepository.js";
+export { TimescaleMonitorStatsRepository } from "@/repositories/monitor-stats/TimescaleMonitorStatsRepository.js";
 
 export * from "@/repositories/status-pages/IStatusPagesRepository.js";
 export { default as MongoStatusPagesRepository } from "@/repositories/status-pages/MongoStatusPagesRepository.js";
+export { TimescaleStatusPagesRepository } from "@/repositories/status-pages/TimescaleStatusPagesRepository.js";
 
 export * from "@/repositories/users/IUsersRepository.js";
 export { default as MongoUsersRepository } from "@/repositories/users/MongoUsersRepository.js";
+export { TimescaleUsersRepository } from "@/repositories/users/TimescaleUsersRepository.js";
 
 export * from "@/repositories/invites/IInvitesRepository.js";
 export { default as MongoInvitesRepository } from "@/repositories/invites/MongoInviteRepository.js";
+export { TimescaleInvitesRepository } from "@/repositories/invites/TimescaleInvitesRepository.js";
 
 export * from "@/repositories/recovery-tokens/IRecoveryTokensRepository.js";
 export { default as MongoRecoveryTokensRepository } from "@/repositories/recovery-tokens/MongoRecoveryTokensRepository.js";
+export { TimescaleRecoveryTokensRepository } from "@/repositories/recovery-tokens/TimescaleRecoveryTokensRepository.js";
 
 export * from "@/repositories/settings/ISettingsRepository.js";
 export { default as MongoSettingsRepository } from "@/repositories/settings/MongoSettingsRepository.js";
+export { TimescaleSettingsRepository } from "@/repositories/settings/TimescaleSettingsRepository.js";
 
 export * from "@/repositories/notifications/INotificationsRepository.js";
 export { default as MongoNotificationsRepository } from "@/repositories/notifications/MongoNotificationsRepository.js";
+export { TimescaleNotificationsRepository } from "@/repositories/notifications/TimescaleNotificationsRepository.js";
 
 export * from "@/repositories/incidents/IIncidentsRepository.js";
-export { default as MongoIncidentRepository } from "@/repositories/incidents/MongoIncidentRepository.js";
+export { default as MongoIncidentsRepository } from "@/repositories/incidents/MongoIncidentsRepository.js";
+export { TimescaleIncidentsRepository } from "@/repositories/incidents/TimescaleIncidentsRepository.js";
 
 export * from "@/repositories/teams/ITeamsRepository.js";
 export { default as MongoTeamsRepository } from "@/repositories/teams/MongoTeamsRepository.js";
+export { TimescaleTeamsRepository } from "@/repositories/teams/TimescaleTeamsRepository.js";
 
 export * from "@/repositories/maintenance-windows/IMaintenanceWindowsRepository.js";
 export { default as MongoMaintenanceWindowsRepository } from "@/repositories/maintenance-windows/MongoMaintenanceWindowsRepository.js";
+export { TimescaleMaintenanceWindowsRepository } from "@/repositories/maintenance-windows/TimescaleMaintenanceWindowsRepository.js";
 
 export * from "@/repositories/geo-checks/IGeoChecksRepository.js";
 export { default as MongoGeoChecksRepository } from "@/repositories/geo-checks/MongoGeoChecksRepository.js";
+
+export * from "@/repositories/dlq/IDLQRepository.js";
+export { default as MongoDLQRepository } from "@/repositories/dlq/MongoDLQRepository.js";
+export { TimescaleGeoChecksRepository } from "@/repositories/geo-checks/TimescaleGeoChecksRepository.js";

server/src/repositories/invites/TimescaleInvitesRepository.ts

@@ -0,0 +1,77 @@
+import type { Pool } from "pg";
+import crypto from "crypto";
+import type { IInvitesRepository } from "@/repositories/invites/IInvitesRepository.js";
+import type { Invite } from "@/types/invite.js";
+import type { UserRole } from "@/types/user.js";
+import { AppError } from "@/utils/AppError.js";
+
+const parsePostgresArray = (value: unknown): UserRole[] => {
+	if (typeof value !== "string") return [];
+	const inner = value.replace(/^\{|\}$/g, "");
+	if (inner === "") return [];
+	return inner.split(",") as UserRole[];
+};
+
+interface InviteRow {
+	id: string;
+	email: string;
+	team_id: string;
+	roles: UserRole[];
+	token: string;
+	expiry: Date | null;
+	created_at: Date;
+	updated_at: Date;
+}
+
+const COLUMNS = `id, email, team_id, roles, token, expiry, created_at, updated_at`;
+
+export class TimescaleInvitesRepository implements IInvitesRepository {
+	constructor(private pool: Pool) {}
+
+	create = async (invite: Partial<Invite>): Promise<Invite> => {
+		// Delete existing invites for this email
+		await this.pool.query(`DELETE FROM invites WHERE email = $1`, [invite.email]);
+
+		const token = crypto.randomBytes(32).toString("hex");
+		const result = await this.pool.query<InviteRow>(
+			`INSERT INTO invites (email, team_id, roles, token, expiry)
+			 VALUES ($1, $2, $3, $4, $5)
+			 RETURNING ${COLUMNS}`,
+			[invite.email, invite.teamId, invite.role ?? ["user"], token, invite.expiry ? new Date(invite.expiry) : null]
+		);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "Failed to create invite", status: 500 });
+		}
+		return this.toEntity(row);
+	};
+
+	findByToken = async (token: string): Promise<Invite> => {
+		const result = await this.pool.query<InviteRow>(`SELECT ${COLUMNS} FROM invites WHERE token = $1`, [token]);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "Invite not found", status: 404 });
+		}
+		return this.toEntity(row);
+	};
+
+	findByTokenAndDelete = async (token: string): Promise<Invite> => {
+		const result = await this.pool.query<InviteRow>(`DELETE FROM invites WHERE token = $1 RETURNING ${COLUMNS}`, [token]);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "Invite not found", status: 404 });
+		}
+		return this.toEntity(row);
+	};
+
+	private toEntity = (row: InviteRow): Invite => ({
+		id: row.id,
+		email: row.email,
+		teamId: row.team_id,
+		role: Array.isArray(row.roles) ? row.roles : parsePostgresArray(row.roles),
+		token: row.token,
+		expiry: row.expiry ? row.expiry.toISOString() : new Date(0).toISOString(),
+		createdAt: row.created_at.toISOString(),
+		updatedAt: row.updated_at.toISOString(),
+	});
+}

server/src/repositories/maintenance-windows/TimescaleMaintenanceWindowsRepository.ts

@@ -0,0 +1,197 @@
+import type { Pool } from "pg";
+import type { IMaintenanceWindowsRepository } from "./IMaintenanceWindowsRepository.js";
+import type { MaintenanceWindow, DurationUnit } from "@/types/maintenanceWindow.js";
+import { AppError } from "@/utils/AppError.js";
+
+interface MaintenanceWindowRow {
+	id: string;
+	monitor_id: string;
+	team_id: string;
+	active: boolean;
+	name: string;
+	duration: number;
+	duration_unit: DurationUnit;
+	repeat: number;
+	start_time: Date;
+	end_time: Date;
+	expiry: Date | null;
+	created_at: Date;
+	updated_at: Date;
+}
+
+const COLUMNS = `id, monitor_id, team_id, active, name, duration, duration_unit, repeat,
+	start_time, end_time, expiry, created_at, updated_at`;
+
+export class TimescaleMaintenanceWindowsRepository implements IMaintenanceWindowsRepository {
+	constructor(private pool: Pool) {}
+
+	create = async (data: Partial<MaintenanceWindow>): Promise<MaintenanceWindow> => {
+		const startTime = data.start ? new Date(data.start) : null;
+		const endTime = data.end ? new Date(data.end) : null;
+		// One-time windows expire at end time
+		const expiry = data.repeat === 0 ? endTime : null;
+
+		const result = await this.pool.query<MaintenanceWindowRow>(
+			`INSERT INTO maintenance_windows (monitor_id, team_id, active, name, duration, duration_unit, repeat, start_time, end_time, expiry)
+			 VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)
+			 RETURNING ${COLUMNS}`,
+			[
+				data.monitorId,
+				data.teamId,
+				data.active ?? true,
+				data.name ?? null,
+				data.duration ?? null,
+				data.durationUnit ?? null,
+				data.repeat ?? 0,
+				startTime,
+				endTime,
+				expiry,
+			]
+		);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "Failed to create maintenance window", status: 500 });
+		}
+		return this.toEntity(row);
+	};
+
+	findById = async (id: string, teamId: string): Promise<MaintenanceWindow> => {
+		const result = await this.pool.query<MaintenanceWindowRow>(`SELECT ${COLUMNS} FROM maintenance_windows WHERE id = $1 AND team_id = $2`, [
+			id,
+			teamId,
+		]);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "Maintenance Window not found", status: 404 });
+		}
+		return this.toEntity(row);
+	};
+
+	findByMonitorId = async (monitorId: string, teamId: string): Promise<MaintenanceWindow[]> => {
+		const result = await this.pool.query<MaintenanceWindowRow>(`SELECT ${COLUMNS} FROM maintenance_windows WHERE monitor_id = $1 AND team_id = $2`, [
+			monitorId,
+			teamId,
+		]);
+		return result.rows.map(this.toEntity);
+	};
+
+	findByTeamId = async (
+		teamId: string,
+		page: number,
+		rowsPerPage: number,
+		field?: string,
+		order?: string,
+		active?: boolean
+	): Promise<MaintenanceWindow[]> => {
+		const conditions: string[] = ["team_id = $1"];
+		const values: unknown[] = [teamId];
+		let paramIndex = 2;
+
+		if (active !== undefined) {
+			conditions.push(`active = $${paramIndex++}`);
+			values.push(active);
+		}
+
+		const fieldMap: Record<string, string> = {
+			createdAt: "created_at",
+			name: "name",
+			start: "start_time",
+			end: "end_time",
+			active: "active",
+		};
+		const sortColumn = field ? (fieldMap[field] ?? "created_at") : "created_at";
+		const sortDirection = order === "asc" ? "ASC" : "DESC";
+
+		const offset = page && rowsPerPage ? page * rowsPerPage : 0;
+
+		const result = await this.pool.query<MaintenanceWindowRow>(
+			`SELECT ${COLUMNS} FROM maintenance_windows
+			 WHERE ${conditions.join(" AND ")}
+			 ORDER BY ${sortColumn} ${sortDirection}
+			 LIMIT $${paramIndex++} OFFSET $${paramIndex}`,
+			[...values, rowsPerPage, offset]
+		);
+		return result.rows.map(this.toEntity);
+	};
+
+	updateById = async (id: string, teamId: string, patch: Partial<MaintenanceWindow>): Promise<MaintenanceWindow> => {
+		const sets: string[] = [];
+		const values: unknown[] = [];
+		let paramIndex = 1;
+
+		const fieldMap: [keyof MaintenanceWindow, string, boolean][] = [
+			["active", "active", false],
+			["name", "name", false],
+			["duration", "duration", false],
+			["durationUnit", "duration_unit", false],
+			["repeat", "repeat", false],
+			["start", "start_time", true],
+			["end", "end_time", true],
+		];
+
+		for (const [key, column, isDate] of fieldMap) {
+			if (patch[key] !== undefined) {
+				sets.push(`${column} = $${paramIndex++}`);
+				values.push(isDate ? new Date(patch[key] as string) : patch[key]);
+			}
+		}
+
+		if (sets.length === 0) {
+			return this.findById(id, teamId);
+		}
+
+		sets.push(`updated_at = NOW()`);
+		values.push(id, teamId);
+
+		const result = await this.pool.query<MaintenanceWindowRow>(
+			`UPDATE maintenance_windows SET ${sets.join(", ")} WHERE id = $${paramIndex++} AND team_id = $${paramIndex}
+			 RETURNING ${COLUMNS}`,
+			values
+		);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "Maintenance window not found or could not be updated", status: 404 });
+		}
+		return this.toEntity(row);
+	};
+
+	deleteById = async (id: string, teamId: string): Promise<MaintenanceWindow> => {
+		const result = await this.pool.query<MaintenanceWindowRow>(
+			`DELETE FROM maintenance_windows WHERE id = $1 AND team_id = $2 RETURNING ${COLUMNS}`,
+			[id, teamId]
+		);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "Maintenance window not found or could not be deleted", status: 404 });
+		}
+		return this.toEntity(row);
+	};
+
+	countByTeamId = async (teamId: string, active?: boolean): Promise<number> => {
+		const conditions: string[] = ["team_id = $1"];
+		const values: unknown[] = [teamId];
+
+		if (active !== undefined) {
+			conditions.push(`active = $2`);
+			values.push(active);
+		}
+
+		const result = await this.pool.query(`SELECT COUNT(*)::int AS count FROM maintenance_windows WHERE ${conditions.join(" AND ")}`, values);
+		return result.rows[0].count;
+	};
+
+	private toEntity = (row: MaintenanceWindowRow): MaintenanceWindow => ({
+		id: row.id,
+		monitorId: row.monitor_id,
+		teamId: row.team_id,
+		active: row.active,
+		name: row.name,
+		duration: row.duration,
+		durationUnit: row.duration_unit,
+		repeat: row.repeat,
+		start: row.start_time.toISOString(),
+		end: row.end_time.toISOString(),
+		createdAt: row.created_at.toISOString(),
+		updatedAt: row.updated_at.toISOString(),
+	});
+}

server/src/repositories/monitor-stats/TimescaleMonitorStatsRepository.ts

@@ -0,0 +1,140 @@
+import type { Pool } from "pg";
+import type { IMonitorStatsRepository } from "./IMonitorStatsRepository.js";
+import type { MonitorStats } from "@/types/monitorStats.js";
+import { AppError } from "@/utils/AppError.js";
+
+interface MonitorStatsRow {
+	id: string;
+	monitor_id: string;
+	avg_response_time: number;
+	max_response_time: number;
+	total_checks: number;
+	total_up_checks: number;
+	total_down_checks: number;
+	uptime_percentage: number;
+	last_check_timestamp: Date | null;
+	last_response_time: number;
+	time_of_last_failure: Date | null;
+	created_at: Date;
+	updated_at: Date;
+}
+
+const COLUMNS = `id, monitor_id, avg_response_time, max_response_time, total_checks, total_up_checks,
+	total_down_checks, uptime_percentage, last_check_timestamp, last_response_time, time_of_last_failure,
+	created_at, updated_at`;
+
+export class TimescaleMonitorStatsRepository implements IMonitorStatsRepository {
+	constructor(private pool: Pool) {}
+
+	create = async (data: Omit<MonitorStats, "id" | "createdAt" | "updatedAt">): Promise<MonitorStats> => {
+		const result = await this.pool.query<MonitorStatsRow>(
+			`INSERT INTO monitor_stats (monitor_id, avg_response_time, max_response_time, total_checks, total_up_checks,
+				total_down_checks, uptime_percentage, last_check_timestamp, last_response_time, time_of_last_failure)
+			 VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)
+			 RETURNING ${COLUMNS}`,
+			[
+				data.monitorId,
+				data.avgResponseTime,
+				data.maxResponseTime,
+				data.totalChecks,
+				data.totalUpChecks,
+				data.totalDownChecks,
+				data.uptimePercentage,
+				data.lastCheckTimestamp ? new Date(data.lastCheckTimestamp) : null,
+				data.lastResponseTime,
+				data.timeOfLastFailure ? new Date(data.timeOfLastFailure) : null,
+			]
+		);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "Failed to create monitor stats", status: 500 });
+		}
+		return this.toEntity(row);
+	};
+
+	findByMonitorId = async (monitorId: string): Promise<MonitorStats> => {
+		const result = await this.pool.query<MonitorStatsRow>(`SELECT ${COLUMNS} FROM monitor_stats WHERE monitor_id = $1`, [monitorId]);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "Monitor stats not found", status: 404 });
+		}
+		return this.toEntity(row);
+	};
+
+	updateByMonitorId = async (monitorId: string, data: Omit<MonitorStats, "id" | "monitorId" | "createdAt" | "updatedAt">): Promise<MonitorStats> => {
+		const result = await this.pool.query<MonitorStatsRow>(
+			`UPDATE monitor_stats SET
+				avg_response_time = $2,
+				max_response_time = $3,
+				total_checks = $4,
+				total_up_checks = $5,
+				total_down_checks = $6,
+				uptime_percentage = $7,
+				last_check_timestamp = $8,
+				last_response_time = $9,
+				time_of_last_failure = $10,
+				updated_at = NOW()
+			 WHERE monitor_id = $1
+			 RETURNING ${COLUMNS}`,
+			[
+				monitorId,
+				data.avgResponseTime,
+				data.maxResponseTime,
+				data.totalChecks,
+				data.totalUpChecks,
+				data.totalDownChecks,
+				data.uptimePercentage,
+				data.lastCheckTimestamp ? new Date(data.lastCheckTimestamp) : null,
+				data.lastResponseTime,
+				data.timeOfLastFailure ? new Date(data.timeOfLastFailure) : null,
+			]
+		);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "Monitor stats not found", status: 404 });
+		}
+		return this.toEntity(row);
+	};
+
+	deleteByMonitorId = async (monitorId: string): Promise<MonitorStats> => {
+		const result = await this.pool.query<MonitorStatsRow>(`DELETE FROM monitor_stats WHERE monitor_id = $1 RETURNING ${COLUMNS}`, [monitorId]);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "Monitor stats not found", status: 404 });
+		}
+		return this.toEntity(row);
+	};
+
+	deleteByMonitorIds = async (monitorIds: string[]): Promise<number> => {
+		if (!monitorIds.length) {
+			return 0;
+		}
+		const result = await this.pool.query(`DELETE FROM monitor_stats WHERE monitor_id = ANY($1)`, [monitorIds]);
+		return result.rowCount ?? 0;
+	};
+
+	deleteByMonitorIdsNotIn = async (monitorIds: string[]): Promise<number> => {
+		if (!monitorIds.length) {
+			const result = await this.pool.query(`DELETE FROM monitor_stats`);
+			return result.rowCount ?? 0;
+		}
+		const result = await this.pool.query(`DELETE FROM monitor_stats WHERE monitor_id != ALL($1)`, [monitorIds]);
+		return result.rowCount ?? 0;
+	};
+
+	private toEntity = (row: MonitorStatsRow): MonitorStats => ({
+		id: row.id,
+		monitorId: row.monitor_id,
+		avgResponseTime: row.avg_response_time,
+		maxResponseTime: row.max_response_time,
+		totalChecks: Number(row.total_checks),
+		totalUpChecks: Number(row.total_up_checks),
+		totalDownChecks: Number(row.total_down_checks),
+		uptimePercentage: row.uptime_percentage,
+		lastCheckTimestamp: row.last_check_timestamp ? row.last_check_timestamp.getTime() : 0,
+		lastResponseTime: row.last_response_time,
+		timeOfLastFailure: row.time_of_last_failure ? row.time_of_last_failure.getTime() : undefined,
+		createdAt: row.created_at.toISOString(),
+		updatedAt: row.updated_at.toISOString(),
+	});
+}

server/src/repositories/notifications/TimescaleNotificationsRepository.ts

@@ -0,0 +1,140 @@
+import type { Pool } from "pg";
+import { INotificationsRepository } from "@/repositories/notifications/INotificationsRepository.js";
+import type { Notification, NotificationChannel } from "@/types/notification.js";
+import { AppError } from "@/utils/AppError.js";
+
+interface NotificationRow {
+	id: string;
+	user_id: string;
+	team_id: string;
+	type: NotificationChannel;
+	notification_name: string;
+	address: string | null;
+	phone: string | null;
+	homeserver_url: string | null;
+	room_id: string | null;
+	access_token: string | null;
+	created_at: Date;
+	updated_at: Date;
+}
+
+const COLUMNS = `id, user_id, team_id, type, notification_name, address, phone,
+	homeserver_url, room_id, access_token, created_at, updated_at`;
+
+export class TimescaleNotificationsRepository implements INotificationsRepository {
+	constructor(private pool: Pool) {}
+
+	create = async (data: Partial<Notification>): Promise<Notification> => {
+		const result = await this.pool.query<NotificationRow>(
+			`INSERT INTO notifications (user_id, team_id, type, notification_name, address, phone, homeserver_url, room_id, access_token)
+			 VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)
+			 RETURNING ${COLUMNS}`,
+			[
+				data.userId,
+				data.teamId,
+				data.type,
+				data.notificationName,
+				data.address ?? null,
+				data.phone ?? null,
+				data.homeserverUrl ?? null,
+				data.roomId ?? null,
+				data.accessToken ?? null,
+			]
+		);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "Failed to create notification", status: 500 });
+		}
+		return this.toEntity(row);
+	};
+
+	findById = async (id: string, teamId: string): Promise<Notification> => {
+		const result = await this.pool.query<NotificationRow>(`SELECT ${COLUMNS} FROM notifications WHERE id = $1 AND team_id = $2`, [id, teamId]);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "Notification not found", status: 404 });
+		}
+		return this.toEntity(row);
+	};
+
+	findNotificationsByIds = async (ids: string[]): Promise<Notification[]> => {
+		if (!ids.length) {
+			return [];
+		}
+		const result = await this.pool.query<NotificationRow>(`SELECT ${COLUMNS} FROM notifications WHERE id = ANY($1)`, [ids]);
+		return result.rows.map(this.toEntity);
+	};
+
+	findByTeamId = async (teamId: string): Promise<Notification[]> => {
+		const result = await this.pool.query<NotificationRow>(`SELECT ${COLUMNS} FROM notifications WHERE team_id = $1`, [teamId]);
+		return result.rows.map(this.toEntity);
+	};
+
+	updateById = async (id: string, teamId: string, patch: Partial<Notification>): Promise<Notification> => {
+		const sets: string[] = [];
+		const values: unknown[] = [];
+		let paramIndex = 1;
+
+		const fieldMap: [keyof Notification, string][] = [
+			["type", "type"],
+			["notificationName", "notification_name"],
+			["address", "address"],
+			["phone", "phone"],
+			["homeserverUrl", "homeserver_url"],
+			["roomId", "room_id"],
+			["accessToken", "access_token"],
+		];
+
+		for (const [key, column] of fieldMap) {
+			if (patch[key] !== undefined) {
+				sets.push(`${column} = $${paramIndex++}`);
+				values.push(patch[key]);
+			}
+		}
+
+		if (sets.length === 0) {
+			return this.findById(id, teamId);
+		}
+
+		sets.push(`updated_at = NOW()`);
+		values.push(id, teamId);
+
+		const result = await this.pool.query<NotificationRow>(
+			`UPDATE notifications SET ${sets.join(", ")} WHERE id = $${paramIndex++} AND team_id = $${paramIndex}
+			 RETURNING ${COLUMNS}`,
+			values
+		);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "Notification not found or could not be updated", status: 404 });
+		}
+		return this.toEntity(row);
+	};
+
+	deleteById = async (id: string, teamId: string): Promise<Notification> => {
+		const result = await this.pool.query<NotificationRow>(`DELETE FROM notifications WHERE id = $1 AND team_id = $2 RETURNING ${COLUMNS}`, [
+			id,
+			teamId,
+		]);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "Notification not found or could not be deleted", status: 404 });
+		}
+		return this.toEntity(row);
+	};
+
+	private toEntity = (row: NotificationRow): Notification => ({
+		id: row.id,
+		userId: row.user_id,
+		teamId: row.team_id,
+		type: row.type,
+		notificationName: row.notification_name,
+		address: row.address ?? undefined,
+		phone: row.phone ?? undefined,
+		homeserverUrl: row.homeserver_url ?? undefined,
+		roomId: row.room_id ?? undefined,
+		accessToken: row.access_token ?? undefined,
+		createdAt: row.created_at.toISOString(),
+		updatedAt: row.updated_at.toISOString(),
+	});
+}

server/src/repositories/recovery-tokens/TimescaleRecoveryTokensRepository.ts

@@ -0,0 +1,59 @@
+import type { Pool } from "pg";
+import crypto from "crypto";
+import type { IRecoveryTokensRepository } from "./IRecoveryTokensRepository.js";
+import type { RecoveryToken } from "@/types/recoveryToken.js";
+import { AppError } from "@/utils/AppError.js";
+
+interface RecoveryTokenRow {
+	id: string;
+	email: string;
+	token: string;
+	expiry: Date | null;
+	created_at: Date;
+	updated_at: Date;
+}
+
+const COLUMNS = `id, email, token, expiry, created_at, updated_at`;
+
+export class TimescaleRecoveryTokensRepository implements IRecoveryTokensRepository {
+	constructor(private pool: Pool) {}
+
+	create = async (email: string): Promise<RecoveryToken> => {
+		const token = crypto.randomBytes(32).toString("hex");
+		const result = await this.pool.query<RecoveryTokenRow>(
+			`INSERT INTO recovery_tokens (email, token)
+			 VALUES ($1, $2)
+			 ON CONFLICT (email) DO UPDATE SET token = $2, updated_at = NOW()
+			 RETURNING ${COLUMNS}`,
+			[email, token]
+		);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "Failed to create recovery token", status: 500 });
+		}
+		return this.toEntity(row);
+	};
+
+	findByToken = async (token: string): Promise<RecoveryToken> => {
+		const result = await this.pool.query<RecoveryTokenRow>(`SELECT ${COLUMNS} FROM recovery_tokens WHERE token = $1`, [token]);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "Recovery token not found", status: 404 });
+		}
+		return this.toEntity(row);
+	};
+
+	deleteManyByEmail = async (email: string): Promise<number> => {
+		const result = await this.pool.query(`DELETE FROM recovery_tokens WHERE email = $1`, [email]);
+		return result.rowCount ?? 0;
+	};
+
+	private toEntity = (row: RecoveryTokenRow): RecoveryToken => ({
+		id: row.id,
+		email: row.email,
+		token: row.token,
+		expiry: row.expiry ? row.expiry.toISOString() : new Date(0).toISOString(),
+		createdAt: row.created_at.toISOString(),
+		updatedAt: row.updated_at.toISOString(),
+	});
+}

server/src/repositories/settings/TimescaleSettingsRepository.ts

@@ -0,0 +1,217 @@
+import type { Pool } from "pg";
+import type { ISettingsRepository } from "./ISettingsRepository.js";
+import type { Settings, SettingsUpdate } from "@/types/settings.js";
+
+interface SettingsRow {
+	id: string;
+	check_ttl: number;
+	language: string | null;
+	jwt_secret: string | null;
+	pagespeed_api_key: string | null;
+	system_email_host: string | null;
+	system_email_port: number | null;
+	system_email_address: string | null;
+	system_email_password: string | null;
+	system_email_user: string | null;
+	system_email_connection_host: string | null;
+	system_email_tls_servername: string | null;
+	system_email_secure: boolean | null;
+	system_email_pool: boolean | null;
+	system_email_ignore_tls: boolean | null;
+	system_email_require_tls: boolean | null;
+	system_email_reject_unauthorized: boolean | null;
+	show_url: boolean | null;
+	version: string | null;
+	threshold_cpu_usage: number | null;
+	threshold_memory_usage: number | null;
+	threshold_disk_usage: number | null;
+	threshold_temperature: number | null;
+	created_at: Date;
+	updated_at: Date;
+}
+
+const COLUMNS = `id, check_ttl, language, jwt_secret, pagespeed_api_key,
+	system_email_host, system_email_port, system_email_address, system_email_password, system_email_user,
+	system_email_connection_host, system_email_tls_servername, system_email_secure, system_email_pool,
+	system_email_ignore_tls, system_email_require_tls, system_email_reject_unauthorized,
+	show_url, version, threshold_cpu_usage, threshold_memory_usage, threshold_disk_usage, threshold_temperature,
+	created_at, updated_at`;
+
+export class TimescaleSettingsRepository implements ISettingsRepository {
+	constructor(private pool: Pool) {}
+
+	create = async (settings: Partial<Settings>): Promise<Settings> => {
+		const result = await this.pool.query<SettingsRow>(
+			`INSERT INTO app_settings (check_ttl, language, jwt_secret, pagespeed_api_key,
+				system_email_host, system_email_port, system_email_address, system_email_password, system_email_user,
+				system_email_connection_host, system_email_tls_servername, system_email_secure, system_email_pool,
+				system_email_ignore_tls, system_email_require_tls, system_email_reject_unauthorized,
+				show_url, version, threshold_cpu_usage, threshold_memory_usage, threshold_disk_usage, threshold_temperature)
+			 VALUES ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12,$13,$14,$15,$16,$17,$18,$19,$20,$21,$22)
+			 RETURNING ${COLUMNS}`,
+			[
+				settings.checkTTL ?? 30,
+				settings.language ?? null,
+				settings.jwtSecret ?? null,
+				settings.pagespeedApiKey ?? null,
+				settings.systemEmailHost ?? null,
+				settings.systemEmailPort ?? null,
+				settings.systemEmailAddress ?? null,
+				settings.systemEmailPassword ?? null,
+				settings.systemEmailUser ?? null,
+				settings.systemEmailConnectionHost ?? null,
+				settings.systemEmailTLSServername ?? null,
+				settings.systemEmailSecure ?? false,
+				settings.systemEmailPool ?? false,
+				settings.systemEmailIgnoreTLS ?? false,
+				settings.systemEmailRequireTLS ?? false,
+				settings.systemEmailRejectUnauthorized ?? true,
+				settings.showURL ?? false,
+				settings.version ?? 1,
+				settings.globalThresholds?.cpu ?? null,
+				settings.globalThresholds?.memory ?? null,
+				settings.globalThresholds?.disk ?? null,
+				settings.globalThresholds?.temperature ?? null,
+			]
+		);
+		const row = result.rows[0];
+		if (!row) {
+			throw new Error("Failed to create app settings");
+		}
+		return this.toEntity(row);
+	};
+
+	findSingleton = async (): Promise<Settings | null> => {
+		const result = await this.pool.query<SettingsRow>(`SELECT ${COLUMNS} FROM app_settings LIMIT 1`);
+		const row = result.rows[0];
+		if (!row) {
+			return null;
+		}
+		return this.toEntity(row);
+	};
+
+	update = async (settings: SettingsUpdate): Promise<Settings> => {
+		const sets: string[] = [];
+		const values: unknown[] = [];
+		let paramIndex = 1;
+
+		const fieldMap: [keyof SettingsUpdate, string][] = [
+			["checkTTL", "check_ttl"],
+			["language", "language"],
+			["jwtSecret", "jwt_secret"],
+			["pagespeedApiKey", "pagespeed_api_key"],
+			["systemEmailHost", "system_email_host"],
+			["systemEmailPort", "system_email_port"],
+			["systemEmailAddress", "system_email_address"],
+			["systemEmailPassword", "system_email_password"],
+			["systemEmailUser", "system_email_user"],
+			["systemEmailConnectionHost", "system_email_connection_host"],
+			["systemEmailTLSServername", "system_email_tls_servername"],
+			["systemEmailSecure", "system_email_secure"],
+			["systemEmailPool", "system_email_pool"],
+			["systemEmailIgnoreTLS", "system_email_ignore_tls"],
+			["systemEmailRequireTLS", "system_email_require_tls"],
+			["systemEmailRejectUnauthorized", "system_email_reject_unauthorized"],
+			["showURL", "show_url"],
+			["version", "version"],
+		];
+
+		for (const [key, column] of fieldMap) {
+			if (key in settings) {
+				sets.push(`${column} = $${paramIndex++}`);
+				// null means unset the field
+				values.push(settings[key] ?? null);
+			}
+		}
+
+		// Handle globalThresholds
+		if ("globalThresholds" in settings) {
+			const thresholds = settings.globalThresholds;
+			if (thresholds === null || thresholds === undefined) {
+				sets.push(`threshold_cpu_usage = NULL`);
+				sets.push(`threshold_memory_usage = NULL`);
+				sets.push(`threshold_disk_usage = NULL`);
+				sets.push(`threshold_temperature = NULL`);
+			} else {
+				if ("cpu" in thresholds) {
+					sets.push(`threshold_cpu_usage = $${paramIndex++}`);
+					values.push(thresholds.cpu ?? null);
+				}
+				if ("memory" in thresholds) {
+					sets.push(`threshold_memory_usage = $${paramIndex++}`);
+					values.push(thresholds.memory ?? null);
+				}
+				if ("disk" in thresholds) {
+					sets.push(`threshold_disk_usage = $${paramIndex++}`);
+					values.push(thresholds.disk ?? null);
+				}
+				if ("temperature" in thresholds) {
+					sets.push(`threshold_temperature = $${paramIndex++}`);
+					values.push(thresholds.temperature ?? null);
+				}
+			}
+		}
+
+		if (sets.length === 0) {
+			const existing = await this.findSingleton();
+			if (!existing) {
+				throw new Error("App settings not found");
+			}
+			return existing;
+		}
+
+		sets.push(`updated_at = NOW()`);
+
+		// Upsert: update the single row, or insert if none exists
+		const result = await this.pool.query<SettingsRow>(`UPDATE app_settings SET ${sets.join(", ")} RETURNING ${COLUMNS}`, values);
+		const row = result.rows[0];
+		if (!row) {
+			// No row existed, create one
+			return this.create(settings as Partial<Settings>);
+		}
+		return this.toEntity(row);
+	};
+
+	deleteLegacy = async (): Promise<boolean> => {
+		// No legacy rows in TimescaleDB — singleton is enforced by trigger
+		const result = await this.pool.query(`DELETE FROM app_settings WHERE version IS NULL`);
+		return (result.rowCount ?? 0) > 0;
+	};
+
+	private toEntity = (row: SettingsRow): Settings => ({
+		id: row.id,
+		checkTTL: row.check_ttl,
+		language: row.language ?? "",
+		jwtSecret: row.jwt_secret ?? undefined,
+		pagespeedApiKey: row.pagespeed_api_key ?? undefined,
+		systemEmailHost: row.system_email_host ?? undefined,
+		systemEmailPort: row.system_email_port ?? undefined,
+		systemEmailAddress: row.system_email_address ?? undefined,
+		systemEmailPassword: row.system_email_password ?? undefined,
+		systemEmailUser: row.system_email_user ?? undefined,
+		systemEmailConnectionHost: row.system_email_connection_host ?? undefined,
+		systemEmailTLSServername: row.system_email_tls_servername ?? undefined,
+		systemEmailSecure: row.system_email_secure ?? false,
+		systemEmailPool: row.system_email_pool ?? false,
+		systemEmailIgnoreTLS: row.system_email_ignore_tls ?? false,
+		systemEmailRequireTLS: row.system_email_require_tls ?? false,
+		systemEmailRejectUnauthorized: row.system_email_reject_unauthorized ?? true,
+		showURL: row.show_url ?? false,
+		singleton: true,
+		version: Number(row.version ?? 1),
+		globalThresholds:
+			row.threshold_cpu_usage !== null ||
+			row.threshold_memory_usage !== null ||
+			row.threshold_disk_usage !== null ||
+			row.threshold_temperature !== null
+				? {
+						cpu: row.threshold_cpu_usage ?? undefined,
+						memory: row.threshold_memory_usage ?? undefined,
+						disk: row.threshold_disk_usage ?? undefined,
+						temperature: row.threshold_temperature ?? undefined,
+					}
+				: undefined,
+		createdAt: row.created_at.toISOString(),
+		updatedAt: row.updated_at.toISOString(),
+	});
+}

server/src/repositories/status-pages/TimescaleStatusPagesRepository.ts

@@ -0,0 +1,260 @@
+import type { Pool } from "pg";
+import type { IStatusPagesRepository } from "./IStatusPagesRepository.js";
+import type { StatusPage, StatusPageType } from "@/types/statusPage.js";
+import { AppError } from "@/utils/AppError.js";
+
+const parsePostgresArray = (value: unknown): StatusPageType[] => {
+	if (typeof value !== "string") return [];
+	const inner = value.replace(/^\{|\}$/g, "");
+	if (inner === "") return [];
+	return inner.split(",") as StatusPageType[];
+};
+
+interface StatusPageRow {
+	id: string;
+	user_id: string;
+	team_id: string;
+	types: StatusPageType[];
+	company_name: string;
+	url: string;
+	timezone: string | null;
+	color: string;
+	logo_data: Buffer | null;
+	logo_content_type: string | null;
+	is_published: boolean;
+	show_charts: boolean;
+	show_uptime_percentage: boolean;
+	show_admin_login_link: boolean;
+	show_infrastructure: boolean;
+	custom_css: string | null;
+	created_at: Date;
+	updated_at: Date;
+}
+
+const COLUMNS = `id, user_id, team_id, types, company_name, url, timezone, color,
+	logo_data, logo_content_type, is_published, show_charts, show_uptime_percentage,
+	show_admin_login_link, show_infrastructure, custom_css, created_at, updated_at`;
+
+export class TimescaleStatusPagesRepository implements IStatusPagesRepository {
+	constructor(private pool: Pool) {}
+
+	create = async (userId: string, teamId: string, image: Express.Multer.File | undefined, data: Partial<StatusPage>): Promise<StatusPage> => {
+		const result = await this.pool.query<StatusPageRow>(
+			`INSERT INTO status_pages (user_id, team_id, types, company_name, url, timezone, color,
+				logo_data, logo_content_type, is_published, show_charts, show_uptime_percentage,
+				show_admin_login_link, show_infrastructure, custom_css)
+			 VALUES ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12,$13,$14,$15)
+			 RETURNING ${COLUMNS}`,
+			[
+				userId,
+				teamId,
+				data.type ?? ["uptime"],
+				data.companyName ?? "",
+				data.url ?? "",
+				data.timezone ?? null,
+				data.color ?? "#4169E1",
+				image?.buffer ?? null,
+				image?.mimetype ?? null,
+				data.isPublished ?? false,
+				data.showCharts ?? false,
+				data.showUptimePercentage ?? false,
+				data.showAdminLoginLink ?? false,
+				data.showInfrastructure ?? false,
+				data.customCSS ?? null,
+			]
+		);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "Failed to create status page", status: 500 });
+		}
+
+		// Insert monitor associations
+		if (data.monitors?.length) {
+			for (const [i, monitorId] of data.monitors.entries()) {
+				await this.pool.query(
+					`INSERT INTO status_page_monitors (status_page_id, monitor_id, sort_order) VALUES ($1, $2, $3) ON CONFLICT DO NOTHING`,
+					[row.id, monitorId, i]
+				);
+			}
+		}
+		if (data.subMonitors?.length) {
+			for (const [i, monitorId] of data.subMonitors.entries()) {
+				await this.pool.query(
+					`INSERT INTO status_page_sub_monitors (status_page_id, monitor_id, sort_order) VALUES ($1, $2, $3) ON CONFLICT DO NOTHING`,
+					[row.id, monitorId, i]
+				);
+			}
+		}
+
+		return this.loadEntity(row);
+	};
+
+	findByUrl = async (url: string): Promise<StatusPage> => {
+		const result = await this.pool.query<StatusPageRow>(`SELECT ${COLUMNS} FROM status_pages WHERE url = $1`, [url]);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "Status page not found", status: 404 });
+		}
+		return this.loadEntity(row);
+	};
+
+	findByTeamId = async (teamId: string): Promise<StatusPage[]> => {
+		const result = await this.pool.query<StatusPageRow>(`SELECT ${COLUMNS} FROM status_pages WHERE team_id = $1`, [teamId]);
+		const pages: StatusPage[] = [];
+		for (const row of result.rows) {
+			pages.push(await this.loadEntity(row));
+		}
+		return pages;
+	};
+
+	updateById = async (
+		id: string,
+		teamId: string,
+		image: Express.Multer.File | undefined,
+		patch: Partial<StatusPage> & { removeLogo?: string }
+	): Promise<StatusPage> => {
+		const sets: string[] = [];
+		const values: unknown[] = [];
+		let paramIndex = 1;
+
+		const fieldMap: [keyof StatusPage, string][] = [
+			["type", "types"],
+			["companyName", "company_name"],
+			["url", "url"],
+			["timezone", "timezone"],
+			["color", "color"],
+			["isPublished", "is_published"],
+			["showCharts", "show_charts"],
+			["showUptimePercentage", "show_uptime_percentage"],
+			["showAdminLoginLink", "show_admin_login_link"],
+			["showInfrastructure", "show_infrastructure"],
+			["customCSS", "custom_css"],
+		];
+
+		for (const [key, column] of fieldMap) {
+			if (patch[key] !== undefined) {
+				sets.push(`${column} = $${paramIndex++}`);
+				values.push(patch[key]);
+			}
+		}
+
+		if (image) {
+			sets.push(`logo_data = $${paramIndex++}`);
+			values.push(image.buffer);
+			sets.push(`logo_content_type = $${paramIndex++}`);
+			values.push(image.mimetype);
+		} else if (patch.removeLogo === "true") {
+			sets.push(`logo_data = NULL`);
+			sets.push(`logo_content_type = NULL`);
+		}
+
+		if (sets.length > 0) {
+			sets.push(`updated_at = NOW()`);
+			values.push(id, teamId);
+
+			const result = await this.pool.query<StatusPageRow>(
+				`UPDATE status_pages SET ${sets.join(", ")} WHERE id = $${paramIndex++} AND team_id = $${paramIndex}
+				 RETURNING ${COLUMNS}`,
+				values
+			);
+			const row = result.rows[0];
+			if (!row) {
+				throw new AppError({ message: "Status page not found", status: 404 });
+			}
+		}
+
+		// Update monitor associations if provided
+		if (patch.monitors !== undefined) {
+			await this.pool.query(`DELETE FROM status_page_monitors WHERE status_page_id = $1`, [id]);
+			for (const [i, monitorId] of patch.monitors.entries()) {
+				await this.pool.query(
+					`INSERT INTO status_page_monitors (status_page_id, monitor_id, sort_order) VALUES ($1, $2, $3) ON CONFLICT DO NOTHING`,
+					[id, monitorId, i]
+				);
+			}
+		}
+		if (patch.subMonitors !== undefined) {
+			await this.pool.query(`DELETE FROM status_page_sub_monitors WHERE status_page_id = $1`, [id]);
+			for (const [i, monitorId] of patch.subMonitors.entries()) {
+				await this.pool.query(
+					`INSERT INTO status_page_sub_monitors (status_page_id, monitor_id, sort_order) VALUES ($1, $2, $3) ON CONFLICT DO NOTHING`,
+					[id, monitorId, i]
+				);
+			}
+		}
+
+		// Re-fetch to return full entity
+		const freshResult = await this.pool.query<StatusPageRow>(`SELECT ${COLUMNS} FROM status_pages WHERE id = $1 AND team_id = $2`, [id, teamId]);
+		const freshRow = freshResult.rows[0];
+		if (!freshRow) {
+			throw new AppError({ message: "Status page not found", status: 404 });
+		}
+		return this.loadEntity(freshRow);
+	};
+
+	deleteById = async (id: string, teamId: string): Promise<StatusPage> => {
+		// Load entity before delete (join tables cascade)
+		const existing = await this.pool.query<StatusPageRow>(`SELECT ${COLUMNS} FROM status_pages WHERE id = $1 AND team_id = $2`, [id, teamId]);
+		const row = existing.rows[0];
+		if (!row) {
+			throw new AppError({ message: "Status page not found", status: 404 });
+		}
+		const entity = await this.loadEntity(row);
+
+		await this.pool.query(`DELETE FROM status_pages WHERE id = $1 AND team_id = $2`, [id, teamId]);
+		return entity;
+	};
+
+	removeMonitorFromStatusPages = async (monitorId: string): Promise<number> => {
+		// Return count of distinct status pages affected, matching Mongo's modifiedCount
+		const result = await this.pool.query(
+			`SELECT COUNT(DISTINCT status_page_id)::int AS count FROM (
+				SELECT status_page_id FROM status_page_monitors WHERE monitor_id = $1
+				UNION
+				SELECT status_page_id FROM status_page_sub_monitors WHERE monitor_id = $1
+			 ) affected`,
+			[monitorId]
+		);
+		const affectedCount = result.rows[0]?.count ?? 0;
+
+		await this.pool.query(`DELETE FROM status_page_monitors WHERE monitor_id = $1`, [monitorId]);
+		await this.pool.query(`DELETE FROM status_page_sub_monitors WHERE monitor_id = $1`, [monitorId]);
+
+		return affectedCount;
+	};
+
+	private loadEntity = async (row: StatusPageRow): Promise<StatusPage> => {
+		const [monitorsResult, subMonitorsResult] = await Promise.all([
+			this.pool.query(`SELECT monitor_id FROM status_page_monitors WHERE status_page_id = $1 ORDER BY sort_order`, [row.id]),
+			this.pool.query(`SELECT monitor_id FROM status_page_sub_monitors WHERE status_page_id = $1 ORDER BY sort_order`, [row.id]),
+		]);
+
+		return {
+			id: row.id,
+			userId: row.user_id,
+			teamId: row.team_id,
+			type: Array.isArray(row.types) ? row.types : parsePostgresArray(row.types),
+			companyName: row.company_name,
+			url: row.url,
+			timezone: row.timezone ?? undefined,
+			color: row.color,
+			monitors: monitorsResult.rows.map((r) => r.monitor_id),
+			subMonitors: subMonitorsResult.rows.map((r) => r.monitor_id),
+			originalMonitors: [],
+			logo: row.logo_data
+				? {
+						data: row.logo_data.toString("base64"),
+						contentType: row.logo_content_type ?? "",
+					}
+				: undefined,
+			isPublished: row.is_published,
+			showCharts: row.show_charts,
+			showUptimePercentage: row.show_uptime_percentage,
+			showAdminLoginLink: row.show_admin_login_link,
+			showInfrastructure: row.show_infrastructure,
+			customCSS: row.custom_css ?? "",
+			createdAt: row.created_at.toISOString(),
+			updatedAt: row.updated_at.toISOString(),
+		};
+	};
+}

server/src/repositories/teams/TimescaleTeamsRepository.ts

@@ -0,0 +1,24 @@
+import type { Pool } from "pg";
+import { ITeamsRepository } from "@/repositories/teams/ITeamsRepository.js";
+import { Team } from "@/types/team.js";
+
+export class TimescaleTeamsRepository implements ITeamsRepository {
+	constructor(private pool: Pool) {}
+
+	create = async (email: string): Promise<Team> => {
+		const result = await this.pool.query(`INSERT INTO teams (email) VALUES ($1) RETURNING id, email, created_at, updated_at`, [email]);
+		return this.toEntity(result.rows[0]);
+	};
+
+	findAllTeamIds = async (): Promise<string[]> => {
+		const result = await this.pool.query(`SELECT id FROM teams`);
+		return result.rows.map((row) => row.id);
+	};
+
+	private toEntity = (row: { id: string; email: string; created_at: Date; updated_at: Date }): Team => ({
+		id: row.id,
+		email: row.email,
+		createdAt: row.created_at.toISOString(),
+		updatedAt: row.updated_at.toISOString(),
+	});
+}

server/src/repositories/users/TimescaleUsersRepository.ts

@@ -0,0 +1,222 @@
+import type { Pool } from "pg";
+import { IUsersRepository } from "./IUsersRepository.js";
+import type { User, UserRole } from "@/types/user.js";
+import { GenerateAvatarImage } from "@/utils/imageProcessing.js";
+import { ParseBoolean } from "@/utils/utils.js";
+import { AppError } from "@/utils/AppError.js";
+
+const SERVICE_NAME = "TimescaleUsersRepository";
+
+// pg returns custom enum arrays as strings like "{user,admin}" — parse to JS array
+const parsePostgresArray = (value: unknown): UserRole[] => {
+	if (typeof value !== "string") return [];
+	const inner = value.replace(/^\{|\}$/g, "");
+	if (inner === "") return [];
+	return inner.split(",") as UserRole[];
+};
+
+interface UserRow {
+	id: string;
+	team_id: string;
+	first_name: string;
+	last_name: string;
+	email: string;
+	password: string;
+	avatar_image: string | null;
+	profile_image: Buffer | null;
+	profile_image_content_type: string | null;
+	is_active: boolean;
+	is_verified: boolean;
+	roles: UserRole[];
+	check_ttl: number | null;
+	created_at: Date;
+	updated_at: Date;
+}
+
+export class TimescaleUsersRepository implements IUsersRepository {
+	constructor(private pool: Pool) {}
+
+	create = async (user: Partial<User>, imageFile?: Express.Multer.File | null): Promise<User> => {
+		let avatarImage: string | undefined;
+		let profileImage: Buffer | undefined;
+		let profileImageContentType: string | undefined;
+
+		if (imageFile) {
+			profileImage = imageFile.buffer;
+			profileImageContentType = imageFile.mimetype;
+			avatarImage = await GenerateAvatarImage(imageFile);
+		}
+
+		const result = await this.pool.query<UserRow>(
+			`INSERT INTO users (team_id, first_name, last_name, email, password, avatar_image, profile_image, profile_image_content_type, is_active, is_verified, roles, check_ttl)
+			 VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12)
+			 RETURNING id, team_id, first_name, last_name, email, password, avatar_image, is_active, is_verified, roles, check_ttl, created_at, updated_at`,
+			[
+				user.teamId || null,
+				user.firstName,
+				user.lastName,
+				user.email,
+				user.password,
+				avatarImage || null,
+				profileImage || null,
+				profileImageContentType || null,
+				user.isActive ?? true,
+				user.isVerified ?? false,
+				user.role ?? ["user"],
+				user.checkTTL ?? null,
+			]
+		);
+
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "Failed to create user", service: SERVICE_NAME, status: 500 });
+		}
+		const entity = this.toEntity(row);
+		entity.password = "";
+		return entity;
+	};
+
+	findByEmail = async (email: string): Promise<User> => {
+		const result = await this.pool.query<UserRow>(
+			`SELECT id, team_id, first_name, last_name, email, password, avatar_image, is_active, is_verified, roles, check_ttl, created_at, updated_at
+			 FROM users WHERE email = $1`,
+			[email]
+		);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "User not found", service: SERVICE_NAME, status: 404 });
+		}
+		return this.toEntity(row);
+	};
+
+	findById = async (id: string): Promise<User> => {
+		const result = await this.pool.query<UserRow>(
+			`SELECT id, team_id, first_name, last_name, email, avatar_image, is_active, is_verified, roles, check_ttl, created_at, updated_at
+			 FROM users WHERE id = $1`,
+			[id]
+		);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "User not found", service: SERVICE_NAME, status: 404 });
+		}
+		return this.toEntity(row);
+	};
+
+	findAll = async (): Promise<User[]> => {
+		const result = await this.pool.query<UserRow>(
+			`SELECT id, team_id, first_name, last_name, email, avatar_image, is_active, is_verified, roles, check_ttl, created_at, updated_at
+			 FROM users`
+		);
+		return result.rows.map(this.toEntity);
+	};
+
+	updateById = async (id: string, patch: Partial<User & { deleteProfileImage?: boolean }>, file?: Express.Multer.File | null): Promise<User> => {
+		const sets: string[] = [];
+		const values: unknown[] = [];
+		let paramIndex = 1;
+
+		if (ParseBoolean(patch.deleteProfileImage) === true) {
+			sets.push(`profile_image = NULL`);
+			sets.push(`profile_image_content_type = NULL`);
+			sets.push(`avatar_image = NULL`);
+		} else if (file) {
+			const avatarImage = await GenerateAvatarImage(file);
+			sets.push(`profile_image = $${paramIndex++}`);
+			values.push(file.buffer);
+			sets.push(`profile_image_content_type = $${paramIndex++}`);
+			values.push(file.mimetype);
+			sets.push(`avatar_image = $${paramIndex++}`);
+			values.push(avatarImage);
+		}
+
+		if (patch.firstName !== undefined) {
+			sets.push(`first_name = $${paramIndex++}`);
+			values.push(patch.firstName);
+		}
+		if (patch.lastName !== undefined) {
+			sets.push(`last_name = $${paramIndex++}`);
+			values.push(patch.lastName);
+		}
+		if (patch.email !== undefined) {
+			sets.push(`email = $${paramIndex++}`);
+			values.push(patch.email);
+		}
+		if (patch.password !== undefined) {
+			sets.push(`password = $${paramIndex++}`);
+			values.push(patch.password);
+		}
+		if (patch.isActive !== undefined) {
+			sets.push(`is_active = $${paramIndex++}`);
+			values.push(patch.isActive);
+		}
+		if (patch.isVerified !== undefined) {
+			sets.push(`is_verified = $${paramIndex++}`);
+			values.push(patch.isVerified);
+		}
+		if (patch.role !== undefined) {
+			sets.push(`roles = $${paramIndex++}`);
+			values.push(patch.role);
+		}
+		if (patch.teamId !== undefined) {
+			sets.push(`team_id = $${paramIndex++}`);
+			values.push(patch.teamId);
+		}
+		if (patch.checkTTL !== undefined) {
+			sets.push(`check_ttl = $${paramIndex++}`);
+			values.push(patch.checkTTL);
+		}
+
+		if (sets.length === 0) {
+			return this.findById(id);
+		}
+
+		sets.push(`updated_at = NOW()`);
+		values.push(id);
+
+		const result = await this.pool.query<UserRow>(
+			`UPDATE users SET ${sets.join(", ")} WHERE id = $${paramIndex}
+			 RETURNING id, team_id, first_name, last_name, email, avatar_image, is_active, is_verified, roles, check_ttl, created_at, updated_at`,
+			values
+		);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "User not found", service: SERVICE_NAME, status: 404 });
+		}
+		return this.toEntity(row);
+	};
+
+	deleteById = async (id: string): Promise<User> => {
+		const result = await this.pool.query<UserRow>(
+			`DELETE FROM users WHERE id = $1
+			 RETURNING id, team_id, first_name, last_name, email, password, avatar_image, is_active, is_verified, roles, check_ttl, created_at, updated_at`,
+			[id]
+		);
+		const row = result.rows[0];
+		if (!row) {
+			throw new AppError({ message: "User not found", service: SERVICE_NAME, status: 404 });
+		}
+		return this.toEntity(row);
+	};
+
+	findSuperAdmin = async (): Promise<boolean> => {
+		const result = await this.pool.query(`SELECT 1 FROM users WHERE 'superadmin' = ANY(roles) LIMIT 1`);
+		return (result.rowCount ?? 0) > 0;
+	};
+
+	private toEntity = (row: UserRow): User => ({
+		id: row.id,
+		firstName: row.first_name,
+		lastName: row.last_name,
+		email: row.email,
+		password: row.password,
+		avatarImage: row.avatar_image ?? undefined,
+		profileImage: undefined,
+		isActive: row.is_active,
+		isVerified: row.is_verified,
+		role: Array.isArray(row.roles) ? row.roles : parsePostgresArray(row.roles),
+		teamId: row.team_id ?? "",
+		checkTTL: row.check_ttl ?? undefined,
+		createdAt: row.created_at.toISOString(),
+		updatedAt: row.updated_at.toISOString(),
+	});
+}

server/src/service/business/geoChecksService.ts

@@ -20,7 +20,7 @@ export interface IGeoChecksService {
 		dateRange: string;
 		page?: number;
 		rowsPerPage?: number;
-		continent: GeoContinent | GeoContinent[];
+		continent?: GeoContinent | GeoContinent[];
 	}): Promise<FlatGeoChecksQueryResult>;
 }
 

server/src/service/index.ts

@@ -29,6 +29,7 @@ export * from "@/service/infrastructure/notificationProviders/pagerduty.js";
 export * from "@/service/infrastructure/notificationProviders/slack.js";
 export * from "@/service/infrastructure/notificationProviders/teams.js";
 export * from "@/service/infrastructure/notificationProviders/webhook.js";
+export * from "@/service/infrastructure/notificationProviders/telegram.js";
 
 // System services
 export * from "@/service/system/settingsService.js";

server/src/service/infrastructure/SuperSimpleQueue/SuperSimpleQueue.ts

@@ -73,22 +73,91 @@ export class SuperSimpleQueue implements ISuperSimpleQueue {
 		return SuperSimpleQueue.SERVICE_NAME;
 	}
 
+	private registerListeners = () => {
+		this.scheduler.on("scheduler:start", () => {
+			this.logger.info({
+				message: "Scheduler started",
+				service: SERVICE_NAME,
+			});
+		});
+
+		this.scheduler.on("scheduler:stop", () => {
+			this.logger.info({
+				message: "Scheduler stopped",
+				service: SERVICE_NAME,
+			});
+		});
+
+		this.scheduler.on("scheduler:error", (error) => {
+			this.logger.error({
+				message: `Scheduler error: ${error instanceof Error ? error.message : String(error)}`,
+				service: SERVICE_NAME,
+				stack: error instanceof Error ? error.stack : undefined,
+			});
+		});
+
+		this.scheduler.on("job:abort", (job, reason) => {
+			this.logger.warn({
+				message: `${job.id} aborted: ${reason}`,
+				service: SERVICE_NAME,
+			});
+		});
+
+		this.scheduler.on("job:attempt", (job, attempt) => {
+			this.logger.debug({
+				message: `${job.id} attempt ${attempt}`,
+				service: SERVICE_NAME,
+			});
+		});
+
+		this.scheduler.on("job:complete", (job) => {
+			this.logger.debug({
+				message: `${job.id} completed successfully`,
+				service: SERVICE_NAME,
+			});
+		});
+
+		this.scheduler.on("job:exhausted", (job, error) => {
+			this.logger.error({
+				message: `${job.id} exhausted all retries: ${error instanceof Error ? error.message : String(error)}`,
+				service: SERVICE_NAME,
+				stack: error instanceof Error ? error.stack : undefined,
+			});
+		});
+
+		this.scheduler.on("job:fail", (job, error, attempt) => {
+			this.logger.warn({
+				message: `${job.id} failed on attempt ${attempt}: ${error instanceof Error ? error.message : String(error)}`,
+				service: SERVICE_NAME,
+				stack: error instanceof Error ? error.stack : undefined,
+			});
+		});
+
+		this.scheduler.on("job:start", (job) => {
+			this.logger.debug({
+				message: `${job.id} started`,
+				service: SERVICE_NAME,
+			});
+		});
+	};
+
 	static async create(logger: ILogger, helper: ISuperSimpleQueueHelper, monitorsRepository: IMonitorsRepository) {
 		const scheduler = new Scheduler({
 			// storeType: "mongo",
 			// storeType: "redis",
-			logLevel: "debug",
 			// dbUri: envSettings.dbConnectionString,
 		});
 		const instance = new SuperSimpleQueue(logger, helper, monitorsRepository, scheduler);
 		await instance.init();
+
 		return instance;
 	}
 
 	init = async () => {
 		try {
-			this.scheduler.start();
+			this.registerListeners();
 
+			this.scheduler.start();
 			this.scheduler.addTemplate("monitor-job", this.helper.getHeartbeatJob());
 			this.scheduler.addTemplate("geo-check-job", this.helper.getHeartbeatGeoJob());
 			this.scheduler.addTemplate("cleanup-orphaned", this.helper.getCleanupOrphanedJob());
@@ -146,7 +215,8 @@ export class SuperSimpleQueue implements ISuperSimpleQueue {
 
 	deleteJob = async (monitor: Monitor) => {
 		this.scheduler.removeJob(monitor.id);
-		this.scheduler.removeJob(`${monitor.id}-geo`);
+		const geoJob = await this.scheduler.getJob(`${monitor.id}-geo`);
+		if (geoJob) await this.scheduler.removeJob(`${monitor.id}-geo`);
 	};
 
 	pauseJob = async (monitor: Monitor) => {
@@ -154,7 +224,9 @@ export class SuperSimpleQueue implements ISuperSimpleQueue {
 		if (result === false) {
 			throw new Error("Failed to pause monitor");
 		}
-		await this.scheduler.pauseJob(`${monitor.id}-geo`);
+		const geoJob = await this.scheduler.getJob(`${monitor.id}-geo`);
+		if (geoJob) await this.scheduler.removeJob(`${monitor.id}-geo`);
+
 		this.logger.debug({
 			message: `Paused monitor ${monitor.id}`,
 			service: SERVICE_NAME,
@@ -177,31 +249,35 @@ export class SuperSimpleQueue implements ISuperSimpleQueue {
 		});
 	};
 
+	private syncGeoJob = async (monitor: Monitor) => {
+		const geoJobId = `${monitor.id}-geo`;
+		const existingGeoJob = await this.scheduler.getJob(geoJobId);
+
+		// If geoChecks have been disabled, or the monitor type doesn't support them, remove
+		if (!monitor.geoCheckEnabled || !supportsGeoCheck(monitor.type)) {
+			if (existingGeoJob) this.scheduler.removeJob(geoJobId);
+			return;
+		}
+
+		// If the job exists, update it
+		if (existingGeoJob) {
+			this.scheduler.updateJob(geoJobId, { repeat: monitor.geoCheckInterval, active: monitor.isActive, data: monitor });
+			return;
+		}
+
+		// Otherwise, create it
+		this.scheduler.addJob({
+			id: geoJobId,
+			template: "geo-check-job",
+			repeat: monitor.geoCheckInterval,
+			active: monitor.isActive,
+			data: monitor,
+		});
+	};
+
 	updateJob = async (monitor: Monitor) => {
 		this.scheduler.updateJob(monitor.id, { repeat: monitor.interval, data: monitor });
-
-		// Handle geo check job lifecycle
-		const geoJobId = `${monitor.id}-geo`;
-		if (monitor.geoCheckEnabled && supportsGeoCheck(monitor.type)) {
-			// Check if geo job exists
-			const existingGeoJob = await this.scheduler.getJob(geoJobId);
-			if (existingGeoJob) {
-				// Update existing geo job
-				this.scheduler.updateJob(geoJobId, { repeat: monitor.geoCheckInterval, active: monitor.isActive, data: monitor });
-			} else {
-				// Create new geo job
-				this.scheduler.addJob({
-					id: geoJobId,
-					template: "geo-check-job",
-					repeat: monitor.geoCheckInterval,
-					active: monitor.isActive,
-					data: monitor,
-				});
-			}
-		} else {
-			// Remove geo job if disabled or monitor type changed
-			this.scheduler.removeJob(geoJobId);
-		}
+		await this.syncGeoJob(monitor);
 	};
 
 	shutdown = async () => {

server/src/service/infrastructure/notificationProviders/telegram.ts

@@ -0,0 +1,113 @@
+const SERVICE_NAME = "TelegramProvider";
+import type { Notification } from "@/types/index.js";
+import { INotificationProvider } from "@/service/index.js";
+import type { NotificationMessage } from "@/types/notificationMessage.js";
+import { getTestMessage } from "@/service/infrastructure/notificationProviders/utils.js";
+import got from "got";
+import { ILogger } from "@/utils/logger.js";
+
+export class TelegramProvider implements INotificationProvider {
+	private logger: ILogger;
+
+	constructor(logger: ILogger) {
+		this.logger = logger;
+	}
+
+	async sendTestAlert(notification: Partial<Notification>): Promise<boolean> {
+		if (!notification.address || !notification.accessToken) {
+			return false;
+		}
+
+		try {
+			await got.post(`https://api.telegram.org/bot${notification.accessToken}/sendMessage`, {
+				json: {
+					chat_id: notification.address,
+					text: getTestMessage(),
+					parse_mode: "HTML",
+				},
+			});
+			return true;
+		} catch (error) {
+			const errMsg = error instanceof Error ? error.message : "unknown error";
+			const errStack = error instanceof Error ? error.stack : undefined;
+			this.logger.warn({
+				message: "Telegram test alert failed",
+				service: SERVICE_NAME,
+				method: "sendTestAlert",
+				stack: errStack,
+				details: { error: errMsg },
+			});
+			return false;
+		}
+	}
+
+	async sendMessage(notification: Notification, message: NotificationMessage): Promise<boolean> {
+		if (!notification.address || !notification.accessToken) {
+			return false;
+		}
+
+		const text = this.buildTelegramText(message);
+
+		try {
+			await got.post(`https://api.telegram.org/bot${notification.accessToken}/sendMessage`, {
+				json: {
+					chat_id: notification.address,
+					text,
+					parse_mode: "HTML",
+				},
+			});
+			this.logger.info({
+				message: "Telegram notification sent",
+				service: SERVICE_NAME,
+				method: "sendMessage",
+			});
+			return true;
+		} catch (error) {
+			const errMsg = error instanceof Error ? error.message : "unknown error";
+			const errStack = error instanceof Error ? error.stack : undefined;
+			this.logger.warn({
+				message: "Telegram alert failed",
+				service: SERVICE_NAME,
+				method: "sendMessage",
+				stack: errStack,
+				details: { error: errMsg },
+			});
+			return false;
+		}
+	}
+
+	private buildTelegramText(message: NotificationMessage): string {
+		const lines: string[] = [];
+
+		lines.push(`<b>${message.content.title}</b>`);
+		lines.push(message.content.summary);
+		lines.push("");
+
+		lines.push("<b>Monitor Details:</b>");
+		lines.push(`• Name: ${message.monitor.name}`);
+		lines.push(`• URL: ${message.monitor.url}`);
+		lines.push(`• Type: ${message.monitor.type}`);
+		lines.push(`• Status: ${message.monitor.status}`);
+
+		if (message.content.details && message.content.details.length > 0) {
+			lines.push("");
+			lines.push("<b>Additional Information:</b>");
+			message.content.details.forEach((detail) => lines.push(`• ${detail}`));
+		}
+
+		if (message.content.thresholds && message.content.thresholds.length > 0) {
+			lines.push("");
+			lines.push("<b>Threshold Breaches:</b>");
+			message.content.thresholds.forEach((breach) => {
+				lines.push(`• ${breach.metric.toUpperCase()}: ${breach.formattedValue} (threshold: ${breach.threshold}${breach.unit})`);
+			});
+		}
+
+		if (message.content.incident) {
+			lines.push("");
+			lines.push(`<a href="${message.clientHost}/incidents/${message.monitor.id}">View Incident</a>`);
+		}
+
+		return lines.join("\n");
+	}
+}

server/src/service/infrastructure/notificationsService.ts

@@ -33,6 +33,7 @@ export class NotificationsService implements INotificationsService {
 	private pagerDutyProvider: INotificationProvider;
 	private matrixProvider: INotificationProvider;
 	private teamsProvider: INotificationProvider;
+	private telegramProvider: INotificationProvider;
 	private logger: ILogger;
 	private settingsService: ISettingsService;
 	private notificationMessageBuilder: INotificationMessageBuilder;
@@ -47,6 +48,7 @@ export class NotificationsService implements INotificationsService {
 		pagerDutyProvider: INotificationProvider,
 		matrixProvider: INotificationProvider,
 		teamsProvider: INotificationProvider,
+		telegramProvider: INotificationProvider,
 		settingsService: ISettingsService,
 		logger: ILogger,
 		notificationMessageBuilder: INotificationMessageBuilder
@@ -60,6 +62,7 @@ export class NotificationsService implements INotificationsService {
 		this.pagerDutyProvider = pagerDutyProvider;
 		this.matrixProvider = matrixProvider;
 		this.teamsProvider = teamsProvider;
+		this.telegramProvider = telegramProvider;
 		this.settingsService = settingsService;
 		this.logger = logger;
 		this.notificationMessageBuilder = notificationMessageBuilder;
@@ -97,6 +100,8 @@ export class NotificationsService implements INotificationsService {
 				return await this.emailProvider.sendMessage!(notification, notificationMessage);
 			case "teams":
 				return await this.teamsProvider.sendMessage!(notification, notificationMessage);
+			case "telegram":
+				return await this.telegramProvider.sendMessage!(notification, notificationMessage);
 			default:
 				this.logger.warn({
 					message: `Unknown notification type: ${notification.type}`,
@@ -157,6 +162,8 @@ export class NotificationsService implements INotificationsService {
 				return await this.webhookProvider.sendTestAlert(notification);
 			case "teams":
 				return await this.teamsProvider.sendTestAlert(notification);
+			case "telegram":
+				return await this.telegramProvider.sendTestAlert(notification);
 			default:
 				return false;
 		}

server/src/service/infrastructure/statusService.ts

@@ -238,7 +238,7 @@ export class StatusService implements IStatusService {
 
 			// Return early if not enough data points
 			if (monitor.statusWindow.length < monitor.statusWindowSize) {
-				monitor.status = "initializing";
+				monitor.status = newStatus;
 				const updated = await this.monitorsRepository.updateById(monitor.id, monitor.teamId, monitor);
 				return {
 					monitor: updated,

server/src/service/system/settingsService.ts

@@ -1,5 +1,5 @@
 import { ISettingsRepository } from "@/repositories/index.js";
-import { Settings, SettingsUpdate } from "@/types/index.js";
+import { type DbType, Settings, SettingsUpdate } from "@/types/index.js";
 import { AppError } from "@/utils/AppError.js";
 import { ValidatedEnv } from "@/validation/envValidation.js";
 import type { StringValue } from "ms";
@@ -12,6 +12,7 @@ export type EnvConfig = {
 	logLevel: string;
 	clientHost: string;
 	dbConnectionString: string;
+	dbType: DbType;
 };
 
 export interface ISettingsService {
@@ -25,10 +26,9 @@ export interface ISettingsService {
 export class SettingsService implements ISettingsService {
 	static SERVICE_NAME = SERVICE_NAME;
 	private settings: EnvConfig;
-	private settingsRepository: ISettingsRepository;
+	private settingsRepository: ISettingsRepository | null = null;
 
-	constructor(settingsRepository: ISettingsRepository, env: ValidatedEnv) {
-		this.settingsRepository = settingsRepository;
+	constructor(env: ValidatedEnv) {
 		this.settings = {
 			jwtSecret: env.JWT_SECRET,
 			jwtTTL: env.TOKEN_TTL as StringValue,
@@ -36,9 +36,14 @@ export class SettingsService implements ISettingsService {
 			logLevel: env.LOG_LEVEL,
 			clientHost: env.CLIENT_HOST,
 			dbConnectionString: env.DB_CONNECTION_STRING,
+			dbType: env.DB_TYPE,
 		};
 	}
 
+	setRepository(settingsRepository: ISettingsRepository) {
+		this.settingsRepository = settingsRepository;
+	}
+
 	get serviceName() {
 		return SettingsService.SERVICE_NAME;
 	}
@@ -54,18 +59,30 @@ export class SettingsService implements ISettingsService {
 		return this.settings;
 	}
 
+	private getRepository(): ISettingsRepository {
+		if (!this.settingsRepository) {
+			throw new AppError({
+				message: "Settings repository not initialized. Call setRepository() after DB connect.",
+				status: 500,
+				service: SERVICE_NAME,
+			});
+		}
+		return this.settingsRepository;
+	}
+
 	updateDbSettings = async (newSettings: SettingsUpdate) => {
-		return await this.settingsRepository.update(newSettings);
+		return await this.getRepository().update(newSettings);
 	};
 
 	getDBSettings = async () => {
+		const repo = this.getRepository();
 		// Remove any old settings
-		await this.settingsRepository.deleteLegacy();
+		await repo.deleteLegacy();
 
-		let settings = await this.settingsRepository.findSingleton();
+		let settings = await repo.findSingleton();
 		if (settings === null) {
-			await this.settingsRepository.create({});
-			settings = await this.settingsRepository.findSingleton();
+			await repo.create({});
+			settings = await repo.findSingleton();
 		}
 
 		if (!settings) {

server/src/types/dlqItem.ts

@@ -0,0 +1,20 @@
+export const DLQItemTypes = ["notification", "incident_create", "incident_resolve"] as const;
+export type DLQItemType = (typeof DLQItemTypes)[number];
+
+export const DLQItemStatuses = ["pending", "retrying", "failed"] as const;
+export type DLQItemStatus = (typeof DLQItemStatuses)[number];
+
+export interface DLQItem {
+	id: string;
+	type: DLQItemType;
+	status: DLQItemStatus;
+	payload: Record<string, unknown>;
+	monitorId: string;
+	teamId: string;
+	retryCount: number;
+	maxRetries: number;
+	lastError: string;
+	nextRetryAt: string;
+	createdAt: string;
+	updatedAt: string;
+}

server/src/types/index.ts

@@ -14,3 +14,4 @@ export * from "@/types/incident.js";
 export * from "@/types/email.js";
 export * from "@/types/team.js";
 export * from "@/types/maintenanceWindow.js";
+export * from "@/types/dlqItem.js";

server/src/types/notification.ts

@@ -1,4 +1,4 @@
-export const NotificationChannels = ["email", "slack", "discord", "webhook", "pager_duty", "matrix", "teams"] as const;
+export const NotificationChannels = ["email", "slack", "discord", "webhook", "pager_duty", "matrix", "teams", "telegram"] as const;
 export type NotificationChannel = (typeof NotificationChannels)[number];
 
 export interface Notification {

server/src/types/settings.ts

@@ -1,3 +1,6 @@
+export const DbTypes = ["timescaledb", "mongodb"] as const;
+export type DbType = (typeof DbTypes)[number];
+
 export interface SettingsThresholds {
 	cpu?: number;
 	memory?: number;

server/src/validation/envValidation.ts

@@ -1,4 +1,5 @@
 import { z } from "zod";
+import { DbTypes } from "@/types/settings.js";
 
 const envSchema = z.object({
 	// Server Configuration
@@ -8,6 +9,7 @@ const envSchema = z.object({
 
 	// Database
 	DB_CONNECTION_STRING: z.string().min(1, "Database connection string is required"),
+	DB_TYPE: z.enum(DbTypes).default("mongodb"),
 
 	// JWT Authentication
 	JWT_SECRET: z.string().min(1, "JWT_SECRET is required"),

server/src/validation/incidentValidation.ts

@@ -7,7 +7,7 @@ import { booleanCoercion } from "./shared.js";
 
 export const getIncidentsByTeamQueryValidation = z.object({
 	sortOrder: z.enum(["asc", "desc"]),
-	dateRange: z.enum(["recent", "hour", "day", "week", "month", "all"]),
+	dateRange: z.enum(["recent", "hour", "day", "week", "month", "all"]).default("all"),
 	page: z.coerce.number().int().min(0),
 	rowsPerPage: z.coerce.number().int().min(1),
 	status: booleanCoercion.optional(),

server/src/validation/notificationValidation.ts

@@ -65,6 +65,13 @@ export const createNotificationBodyValidation = z.discriminatedUnion("type", [
 		type: z.literal("teams"),
 		address: z.url({ message: "Please enter a valid Webhook URL" }),
 	}),
+	// Telegram notification
+	z.object({
+		notificationName: z.string().min(1, "Notification name is required"),
+		type: z.literal("telegram"),
+		address: z.string().min(1, "Chat ID is required"),
+		accessToken: z.string().min(1, "Bot token is required"),
+	}),
 ]);
 
 export const testNotificationBodyValidation = createNotificationBodyValidation;