aec04474be
- Add tests/unit/utils/poller.test.js covering background polling lock, registry, error recovery, webhook bypasses, and global fallbacks - Add tests/integration/rateLimiter.test.js verifying 429 response rate-limiting in an isolated production environment - Add tests/integration/ombiDecoration.test.js covering deep links and admin role checks - Expand tests/frontend/ui/downloads.test.js covering createServiceIcons() and createClientLogo() fallbacks - Expand tests/integration/dashboard.test.js verifying SSE heartbeats, payload schema contract, and listener cleanup on client disconnect