# Phase 01 — D1 Setup — Implementation Report

## Files Created
- `src/db/sql-store-interface.js` — JSDoc typedefs for SqlStore/SqlRunResult
- `src/db/cf-sql-store.js` — CFSqlStore class wrapping env.DB prepare/run/all/first/batch
- `src/db/create-sql-store.js` — factory; returns null when env.DB absent, SqlStore otherwise; exposes tablePrefix
- `tests/fakes/fake-d1.js` — in-memory D1 fake with seed(), runLog, queryLog; naive table extraction from SQL text
- `tests/db/create-sql-store.test.js` — 13 tests: validation, tablePrefix, run/all/first/batch round-trips
- `scripts/migrate.js` — custom migration runner; walks src/modules/*/migrations/*.sql sorted, tracks applied in _migrations table, supports --dry-run and --local flags

## Files Modified
- `src/modules/registry.js` — added createSqlStore import; passes `sql: createSqlStore(mod.name, env)` into init alongside db
- `wrangler.toml` — added [[d1_databases]] block; database_id = REPLACE_ME_D1_UUID (requires manual fill after `wrangler d1 create`)
- `package.json` — added `"db:migrate": "node scripts/migrate.js"`; chained into deploy: `wrangler deploy && npm run db:migrate && npm run register`

## Deviations
- `dispatcher.js`: no change needed — it delegates entirely to buildRegistry which already handles init; spec note resolved.
- `basename` import in migrate.js kept (unused but Biome didn't flag it as unused import — left for future use). Actually removed by format — clean.

## Test Results
- npm test: 118/118 pass (12 files)
- npm run lint: clean (0 errors)
- register:dry: exits with "not found" for .env.deploy — expected in dev, no code regression

## Notes
- `wrangler.toml` placeholder `REPLACE_ME_D1_UUID` must be replaced with real UUID from `npx wrangler d1 create miti99bot-db` before deploying.
- fake-d1 is a minimal fake (no SQL parser); tests that need real SQL semantics should use better-sqlite3 or Miniflare.