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feat: add migration ledger to database-postgres (E00-S03-T03)

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MigrationLedger over the package-owned pg Pool: ensure() creates the
schema_migrations table (version text PRIMARY KEY, applied_at timestamptz
NOT NULL DEFAULT now()) with idempotent DDL; record() inserts an applied
migration with a parameterized, idempotent statement (ON CONFLICT DO
NOTHING — a rerun never double-applies); has()/applied() read the ledger
back in apply order. Re-exported from the driver boundary (src/index.ts)
so no other package needs the pg driver to touch migration state.
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implementer
2026-08-29 23:19:56 +00:00
parent 33ac04e795
commit 7f6450410e
5 changed files with 105 additions and 6 deletions
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docs/development/non-container.md
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@@ -17,7 +17,7 @@ The workspace is a pnpm monorepo with three package groups:
| --- | --- | --- |
| `apps/` | `apps/server` (`@personal-blog/server`) | Public server application. Serves the application health endpoint (E00-S02-T03); the Fastify 5 application shell lands in a later story. |
| `packages/` | `packages/core` (`@personal-blog/core`) | Application core (site identity, content primitives). Bootstrap placeholder. |
| `packages/` | `packages/database-postgres` (`@personal-blog/database-postgres`) | PostgreSQL database adapter package. Single owner of the `pg`/Kysely driver imports (E00-S03-T02); the concrete adapter lands in later stories. |
| `packages/` | `packages/database-postgres` (`@personal-blog/database-postgres`) | PostgreSQL database adapter package. Single owner of the `pg`/Kysely driver imports (E00-S03-T02); the migration ledger (`schema_migrations`, E00-S03-T03) is implemented here; the migration runner (advisory lock, failure diagnostics) lands in later stories. |
| `extensions/` | `extensions/example` (`@personal-blog/example-extension`) | Example extension exercising the `extensions/` group. Bootstrap placeholder. |
A dependency-boundary rule (`dependency-boundaries.json`, enforced by