* Update ServerCard.svelte
feat(mcp): add Model Context Protocol integration with tool support
Improve MCP tools caching and server selection logic
Replaces single-entry MCP tools cache with a multi-keyed cache based on server configuration, improving cache accuracy for different server sets. Refactors server selection logic in runMcpFlow to better handle custom server lists and selected server names. Removes MCP flow from generate.ts, streamlining text generation logic.
* Add OAuth authentication for MCP servers
Introduces browser-based OAuth flow for MCP servers, including new auth helpers, localStorage management, and UI actions for authentication and sign-out. Server cards now support authentication, and enabled servers include persisted auth headers for API requests. Adds callback handler and route for OAuth completion.
* Add server authentication status and UI indicators
Introduces an 'authRequired' property to MCPServer and health check responses to indicate when authenti…
