chore: complete v1.0 Analytics & Monitoring milestone
Archive milestone artifacts (roadmap, requirements, audit, phase directories) to .planning/milestones/. Evolve PROJECT.md with validated requirements and decision outcomes. Create MILESTONES.md and RETROSPECTIVE.md. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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---
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phase: 01-data-foundation
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verified: 2026-02-24T13:00:00Z
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status: human_needed
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score: 3/4 success criteria verified
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re_verification:
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previous_status: gaps_found
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previous_score: 2/4
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gaps_closed:
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- "SC#1 table name mismatch — ROADMAP updated to use `service_health_checks` and `alert_events`; implementation matches"
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- "SC#3 file name mismatch — ROADMAP updated to reference `AlertEventModel.ts`; implementation matches"
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gaps_remaining: []
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regressions: []
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human_verification:
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- test: "Run migration 012 against the live Supabase instance"
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expected: "Both `service_health_checks` and `alert_events` tables are created with all columns, CHECK constraints, indexes, and RLS enabled"
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why_human: "Cannot execute SQL against the live Supabase instance from this environment; requires manual execution via Supabase Dashboard SQL editor or migration runner"
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---
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# Phase 01: Data Foundation Verification Report
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**Phase Goal:** The database schema for monitoring exists and the existing Supabase connection is the only data infrastructure used
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**Verified:** 2026-02-24T13:00:00Z
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**Status:** human_needed
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**Re-verification:** Yes — after ROADMAP success criteria updated to match finalized naming
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## Goal Achievement
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### Observable Truths (from ROADMAP Success Criteria)
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| # | Truth | Status | Evidence |
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|---|-------|--------|----------|
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| 1 | `service_health_checks` and `alert_events` tables exist in Supabase with indexes on `created_at` | VERIFIED | Migration `012_create_monitoring_tables.sql` creates both tables; `idx_service_health_checks_created_at` (line 24) and `idx_alert_events_created_at` (line 52) present. Live DB execution requires human. |
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| 2 | All new tables use the existing Supabase client from `config/supabase.ts` — no new database connections added | VERIFIED | Both models import `getSupabaseServiceClient` from `'../config/supabase'` (line 1 of each); called per-method, not at module level; no `new Pool`, `new Client`, or `createClient` in either file |
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| 3 | `AlertEventModel.ts` exists and its CRUD methods can be called in isolation without errors | VERIFIED | `backend/src/models/AlertEventModel.ts` exists (343 lines, 6 static methods); 19 unit tests all pass |
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| 4 | Migration SQL can be run against the live Supabase instance and produces the expected schema | HUMAN NEEDED | SQL is syntactically valid and follows existing migration patterns; live execution cannot be verified programmatically |
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**Score:** 3/4 success criteria fully verified (1 human-needed)
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### Required Artifacts
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| Artifact | Expected | Status | Details |
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|----------|----------|--------|---------|
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| `backend/src/models/migrations/012_create_monitoring_tables.sql` | DDL for monitoring tables | VERIFIED | 65 lines; 2 tables with CHECK constraints, JSONB columns, 5 indexes total, RLS enabled on both |
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| `backend/src/models/HealthCheckModel.ts` | CRUD for service_health_checks | VERIFIED | 219 lines; 4 static methods; imports `getSupabaseServiceClient` and `logger`; exports `HealthCheckModel`, `ServiceHealthCheck`, `CreateHealthCheckData` |
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| `backend/src/models/AlertEventModel.ts` | CRUD for alert_events | VERIFIED | 343 lines; 6 static methods; imports `getSupabaseServiceClient` and `logger`; exports `AlertEventModel`, `AlertEvent`, `CreateAlertEventData` |
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| `backend/src/models/index.ts` | Barrel exports for new models | VERIFIED | Both models and all 4 types exported (lines 7-8, 11-12); existing exports unchanged |
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### Key Link Verification
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| From | To | Via | Status | Details |
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|------|----|-----|--------|---------|
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| `HealthCheckModel.ts` | `backend/src/config/supabase.ts` | `getSupabaseServiceClient()` import | WIRED | Line 1: import confirmed; called on lines 49, 100, 139, 182 |
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| `AlertEventModel.ts` | `backend/src/config/supabase.ts` | `getSupabaseServiceClient()` import | WIRED | Line 1: import confirmed; called on lines 70, 122, 161, 207, 258, 307 |
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| `HealthCheckModel.ts` | `backend/src/utils/logger.ts` | Winston logger import | WIRED | Line 2: import confirmed; used in error/info calls throughout |
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| `AlertEventModel.ts` | `backend/src/utils/logger.ts` | Winston logger import | WIRED | Line 2: import confirmed; used in error/info calls throughout |
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### Requirements Coverage
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| Requirement | Source Plan | Description | Status | Evidence |
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|-------------|------------|-------------|--------|----------|
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| INFR-01 | 01-01-PLAN, 01-02-PLAN | Database migrations create service_health_checks and alert_events tables with indexes on created_at | SATISFIED | `idx_service_health_checks_created_at` and `idx_alert_events_created_at` in migration (lines 24, 52); 33 tests pass; marked complete in REQUIREMENTS.md |
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| INFR-04 | 01-01-PLAN, 01-02-PLAN | Analytics writes use existing Supabase connection, no new database infrastructure | SATISFIED | Both models call `getSupabaseServiceClient()` per-method; no `new Pool`, `new Client`, or `createClient` in new files; test mocks confirm the pattern; marked complete in REQUIREMENTS.md |
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No orphaned requirements. REQUIREMENTS.md traceability maps only INFR-01 and INFR-04 to Phase 1, both accounted for.
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### Anti-Patterns Found
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| File | Pattern | Severity | Impact |
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|------|---------|----------|--------|
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| None | — | — | No TODO/FIXME, no console.log, no return null stubs, no empty implementations found |
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### Test Results
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```
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Test Files 2 passed (2)
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Tests 33 passed (33)
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Duration 1.19s
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```
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All 33 tests pass. No regressions from initial verification.
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- `HealthCheckModel`: 14 tests covering create (valid/minimal/probe_details), validation (empty name, invalid status), Supabase error + error logging, findLatestByService (found/PGRST116 null), findAll (default limit/filtered/custom limit), deleteOlderThan (date calc/count)
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- `AlertEventModel`: 19 tests covering create (valid/default status/explicit status/JSONB details), validation (empty name, invalid alert_type, invalid status), Supabase error, findActive (all/filtered/empty), acknowledge/resolve (success/PGRST116 not-found), findRecentByService (found/null), deleteOlderThan
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### Human Verification Required
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**1. Migration Execution Against Live Supabase**
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**Test:** Run `backend/src/models/migrations/012_create_monitoring_tables.sql` against the live Supabase instance via the SQL editor or migration runner
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**Expected:** Both `service_health_checks` and `alert_events` tables created; all columns, CHECK constraints, JSONB columns, 5 indexes, and RLS appear when inspected in the Supabase table editor
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**Why human:** Cannot execute SQL against the live database from this verification environment
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### Re-Verification Summary
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Both gaps from the initial verification are now closed. The gaps were documentation alignment issues — the ROADMAP success criteria contained stale names from an earlier naming pass that did not survive into the finalized plan and implementation. The ROADMAP has been updated to match:
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- SC#1 now reads `service_health_checks` and `alert_events` (matching migration and models)
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- SC#3 now reads `AlertEventModel.ts` (matching the implemented file)
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The implementation was correct throughout both verifications. All automated checks pass. The one remaining item requiring human action is executing the migration SQL against the live Supabase instance — this was always a human-only step and is not a gap.
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**Phase goal is achieved:** The database schema for monitoring exists in the migration file and model layer, and the existing Supabase connection is the only data infrastructure used.
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---
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_Verified: 2026-02-24T13:00:00Z_
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_Verifier: Claude (gsd-verifier)_
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_Re-verification: Yes — after ROADMAP SC naming alignment_
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