chore(db): drop the migration privilege and preflight scripts - #970
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The prd deploy applies migrations, so the standalone helpers around the old `migrate:prod` path are dead: the PUBLIC privilege scaffolding, the session role pin, and the drizzle 1.0 bookkeeping preflight (prod passed it on 2026-09-19). The credential broker stays for the restore drill, the raw-SQL audit and the backfills. The privilege invariant moves to the roles themselves: every runtime role is a member of `postgres`, which the docs now state with the query that checks it.
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Included review availability: Your plan provides up to 10 included reviews per hour; 7 remain after this review. 📝 WalkthroughWalkthroughThe change removes privilege-grant and migration-preflight tooling, updates PlanetScale runtime-role guidance, stops branch connections from pinning sessions to ChangesDatabase migration cleanup
Chart test stabilization
Priority: ⬇️ Low Estimated code review effort: 2 (Simple) | ~10 minutes Change: Other 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
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In `@docs/persistence.md`:
- Line 101: Update the PostgreSQL role validation query in the persistence
documentation to use the `usage` relationship type instead of `member`, and
update the corresponding guidance in `CLAUDE.md` to require inherited or
immediately usable `postgres` privileges rather than membership alone.
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.github/workflows/deploy-pr-preview.ymlCLAUDE.mddocs/persistence.mdpackages/db/package.jsonpackages/db/scripts/ensure-privileges.test.tspackages/db/scripts/ensure-privileges.tspackages/db/scripts/migrations-preflight.tspackages/db/scripts/planetscale-connection.tspackages/db/scripts/planetscale-migrations-preflight.tspackages/db/scripts/reset-preview-branch.ts
💤 Files with no reviewable changes (5)
- packages/db/scripts/migrations-preflight.ts
- packages/db/scripts/ensure-privileges.test.ts
- packages/db/scripts/ensure-privileges.ts
- packages/db/package.json
- packages/db/scripts/planetscale-migrations-preflight.ts
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pg_has_role(…, 'member') only says the role may SET ROLE; 'usage' is whether postgres's privileges apply without it, which is what a runtime role needs.
…out inheritance is replaced PlanetScale's own service roles never inherit postgres and never read Maple tables, and GRANT postgres is refused, so the fix for a runtime role is a rotation rather than a grant.
The rows are anchored to Date.now() and the chart reads it again at render. When the hour rolls over between the two, the last bucket has closed and no path is dashed, which is how CI failed this at 20:00:00 UTC.
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Follow-up to #939. With migrations applied by the prd deploy, the helpers built around the old
migrate:prodpath are dead code:ensure-privileges.ts(+ test): the PUBLIC default-privilege scaffolding and grant sweep that ran before every manual migrate.pinSessionRoleToPostgresinplanetscale-connection.ts: theALTER ROLE … SET role = 'postgres'pin that made drizzle-kit's DDL land postgres-owned.migrations-preflight.ts+planetscale-migrations-preflight.ts: the one-time drizzle 1.0 bookkeeping gate. Prod passed it on 2026-09-19 and its history is now frozen in__alchemy_migrations.withBranchConnectionstays: the restore drill, the raw-SQL audit and the dashboard backfill still mint their ephemeral role through it.Privilege invariant. The deploy migrates as a temporary role dropped with
postgresas successor, so new tables end up postgres-owned with no other grants. Instead of every migration grantingTO PUBLICby hand (the rule #939 documented), the docs now state the invariant on the roles: every runtime login role inheritspostgres, checked withPrerequisite done on prd, 2026-09-21. The ingest gateway ran as
railway-2026-06-23(pscale_api_rg068pnctlxw), which did not inheritpostgres, andGRANT postgresis refused on PlanetScale (only a role with ADMIN onpostgresmay grant it; pscale cannot edit an existing role's inheritance). So the credential was rotated: new roleingest-gateway-2026-09-21(pscale_api_s302if6nn58u,--inherited-roles postgres), verified over PSBouncer with the gateway's own probe query, written to Infisical prodMAPLE_INGEST_PG_URLand the AWS secret, and the ECS service rolled; both tasks now connect as the new role and/readyis 200. The old role is left in place for a day as the rollback path and should then be deleted.jeremy_macbook(pscale_api_noozz3rx8922) also lacks inheritance but is a personal credential, not a runtime one.Verified:
tscand vitest (43 tests) inpackages/db, oxlint on the touched scripts.🤖 Generated with Claude Code
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partial-tail.test.tsxinpackages/uipins its clock. The rows are anchored toDate.now()and the chart reads it again at render, so an hour rolling over between the two closes the last bucket and nothing is dashed. CI hit that window at 20:00:00 UTC on this branch.