- Add File Browser, Session search, Authentication sections to README (EN + ZH)
- Update Model Management with Nous Portal auth and non-v1 URL support
- Update OpenAPI spec from 0.2.6 to 0.4.4
- Add 30+ new endpoints: Auth, Files, Download, Gateways, Codex/Nous OAuth, Update
- Add PUT provider endpoint for updating existing providers
- Update HealthResponse with webui_version, webui_update_available, node_version fields
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
ekko