- Replace hardcoded 'OK' messages in monitorController with proper localized strings
- Add new string constants to en.json for consistent messaging
- Follow existing pattern used by other controller methods
- Resolves TODO comment in getMonitorsAndSummaryByTeamId method
Fixes: Hardcoded response messages inconsistent with i18n architecture
- Add optional 'group' field to Monitor schema with trimming and validation
- Add group validation to Joi schemas for create and edit monitor endpoints
- Add GET /api/v1/monitors/team/groups endpoint to fetch unique groups
- Implement case-insensitive group filtering in database layer
- Support for organizing monitors into collapsible groups
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Co-Authored-By: Claude <noreply@anthropic.com>