- Create apply-migrations.ts and jobs-worker.ts scripts (package.json references) - Convert badge leaderboard from $queryRawUnsafe to $queryRaw with Prisma.sql templates - Fix OAuth email binding: add oauth_require_link site setting, skip 2FA-protected accounts - Add per-user 2FA rate limiting (5/30s) to prevent TOTP brute-force - Add structured JSON logger with levels (debug/info/warn/error) - Split 341-line HomePage into GuestView + UserView components - Add OpenAPI v3.1 spec at /api/openapi.json - Add LOG_LEVEL env var, regenerate Prisma client - Add mysql2 dependency for migration scripts - All 58 tests pass, typecheck clean