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docs/db/tasks/PHASE_3_NOTIFY.md

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+# Phase 3: Notify Module Conversion
+
+**Sprint:** 4
+**Duration:** 1 sprint
+**Status:** TODO
+**Dependencies:** Phase 0 (Foundations)
+
+---
+
+## Objectives
+
+1. Create `StellaOps.Notify.Storage.Postgres` project
+2. Implement Notify schema in PostgreSQL
+3. Implement 15 repository interfaces
+4. Handle delivery tracking and escalation state
+
+---
+
+## Deliverables
+
+| Deliverable | Acceptance Criteria |
+|-------------|---------------------|
+| Notify schema | All tables created with indexes |
+| Repository implementations | All 15 interfaces implemented |
+| Integration tests | 100% coverage of CRUD operations |
+| Verification report | Notification delivery verified |
+
+---
+
+## Schema Reference
+
+See [SPECIFICATION.md](../SPECIFICATION.md) Section 5.5 for complete Notify schema.
+
+**Tables:**
+- `notify.channels`
+- `notify.rules`
+- `notify.templates`
+- `notify.deliveries`
+- `notify.digests`
+- `notify.quiet_hours`
+- `notify.maintenance_windows`
+- `notify.escalation_policies`
+- `notify.escalation_states`
+- `notify.on_call_schedules`
+- `notify.inbox`
+- `notify.incidents`
+- `notify.audit`
+
+---
+
+## Task Breakdown
+
+### T3.1: Create Notify.Storage.Postgres Project
+
+**Status:** TODO
+**Estimate:** 0.5 days
+
+**Subtasks:**
+- [ ] Create project structure
+- [ ] Add NuGet references
+- [ ] Create `NotifyDataSource` class
+- [ ] Create `ServiceCollectionExtensions.cs`
+
+---
+
+### T3.2: Implement Schema Migrations
+
+**Status:** TODO
+**Estimate:** 1 day
+
+**Subtasks:**
+- [ ] Create schema migration
+- [ ] Include all tables and indexes
+- [ ] Test migration idempotency
+
+---
+
+### T3.3: Implement Channel Repository
+
+**Status:** TODO
+**Estimate:** 0.5 days
+
+**Subtasks:**
+- [ ] Implement CRUD operations
+- [ ] Handle channel types (email, slack, teams, etc.)
+- [ ] Write integration tests
+
+---
+
+### T3.4: Implement Rule Repository
+
+**Status:** TODO
+**Estimate:** 0.5 days
+
+**Subtasks:**
+- [ ] Implement CRUD operations
+- [ ] Handle filter JSONB
+- [ ] Write integration tests
+
+---
+
+### T3.5: Implement Template Repository
+
+**Status:** TODO
+**Estimate:** 0.5 days
+
+**Subtasks:**
+- [ ] Implement CRUD operations
+- [ ] Handle localization
+- [ ] Write integration tests
+
+---
+
+### T3.6: Implement Delivery Repository
+
+**Status:** TODO
+**Estimate:** 1 day
+
+**Subtasks:**
+- [ ] Implement CRUD operations
+- [ ] Handle status transitions
+- [ ] Implement retry logic
+- [ ] Write integration tests
+
+---
+
+### T3.7: Implement Remaining Repositories
+
+**Status:** TODO
+**Estimate:** 2 days
+
+**Subtasks:**
+- [ ] Implement Digest repository
+- [ ] Implement QuietHours repository
+- [ ] Implement MaintenanceWindow repository
+- [ ] Implement EscalationPolicy repository
+- [ ] Implement EscalationState repository
+- [ ] Implement OnCallSchedule repository
+- [ ] Implement Inbox repository
+- [ ] Implement Incident repository
+- [ ] Implement Audit repository
+- [ ] Write integration tests for all
+
+---
+
+### T3.8: Add Configuration Switch
+
+**Status:** TODO
+**Estimate:** 0.5 days
+
+---
+
+### T3.9: Run Verification Tests
+
+**Status:** TODO
+**Estimate:** 1 day
+
+**Subtasks:**
+- [ ] Test notification delivery flow
+- [ ] Test escalation handling
+- [ ] Test digest aggregation
+- [ ] Generate verification report
+
+---
+
+### T3.10: Switch to PostgreSQL-Only
+
+**Status:** TODO
+**Estimate:** 0.5 days
+
+---
+
+## Exit Criteria
+
+- [ ] All 15 repository interfaces implemented
+- [ ] All integration tests pass
+- [ ] Notification delivery working end-to-end
+- [ ] Notify running on PostgreSQL in production
+
+---
+
+*Phase Version: 1.0.0*
+*Last Updated: 2025-11-28*