- Rewrite e2e/seed.ts to use postgres driver instead of bun:sqlite
- Add userId to all seeded entities (multi-user schema)
- Add Postgres service container to CI E2E job
- Remove DATABASE_PATH from test server start script
- Re-enable E2E job in CI
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Covers dashboard card rendering (item count, nav links, active thread/setup counts)
and collection page (gear display, search, category filter, tab switching).
Updates playwright config to serve production build with pre-seeded test DB.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
