## 1. Backend
- [x] 1.1 Extend trigger schemas/validation to accept composite conditions and new operators/fields
- [x] 1.2 Implement composite condition evaluation (AND-only) with operator semantics and custom field/formula support
- [x] 1.3 Extend notify target resolution for group targets, dedup recipients, and exclude triggerer
- [x] 1.4 Evaluate triggers on due_date/start_date/custom_field updates
- [x] 1.5 Add weekly report subscription API (get/update) and enforce manual subscription
- [x] 1.6 Include project members (and owner) in weekly report project scope

## 2. Frontend
- [x] 2.1 Update trigger API types for composite conditions and group targets
- [x] 2.2 Update TriggerForm/TriggerList to build AND-only rule lists with date range + custom field inputs
- [x] 2.3 Add MySettings weekly report subscription toggle (with API integration)
- [x] 2.4 Add i18n strings for new trigger/weekly report UI

## 3. Tests
- [x] 3.1 Backend tests for composite conditions (status+priority, due_date range)
- [x] 3.2 Backend tests for custom field (formula) conditions
- [x] 3.3 Backend tests for group notification targeting (department/role/project_members) with dedup/exclude
- [x] 3.4 Backend tests for weekly report subscription and project-member scope

## 4. Validation
- [x] 4.1 Run targeted pytest in conda and report results