chore(release): v2.2.0

- Merge PR #275: fix(cursor): stabilize tool result handoff
- Merge PR #281: fix(validation): ElevenLabs + Inworld API key validation
- Merge PR #279: feat(kimi-coding): Kimi Coding plan quota display
- Merge PR #264: deps: bump dev group with 5 updates
- Merge PR #263: deps: bump prod group with 2 updates
- fix(ci): repair unit, e2e and i18n test failures
- fix(providers): Add Connection button for OpenAI-compatible providers (#272)
- docs: update CHANGELOG and bump openapi.yaml to 2.2.0

docs/openapi.yaml

@@ -1,7 +1,7 @@
 openapi: 3.1.0
 info:
   title: OmniRoute API
-  version: 2.1.2
+  version: 2.2.0
   description: |
     OmniRoute is a local-first AI API proxy router. It provides an OpenAI-compatible
     endpoint that routes requests to multiple AI providers with load balancing,