✨ feat: add Model Context Protocol (MCP) support (#2809)

* ✨ feat: add Model Context Protocol (MCP) server configuration (main)

- Added `@modelcontextprotocol/sdk` dependency for MCP integration.
- Introduced MCP server configuration UI in settings with add, edit, delete, and activation functionalities.
- Created `useMCPServers` hook to manage MCP server state and actions.
- Added i18n support for MCP settings with translation keys.
- Integrated MCP settings into the application's settings navigation and routing.
- Implemented Redux state management for MCP servers.
- Updated `yarn.lock` with new dependencies and their resolutions.

* 🌟 feat: implement mcp service and integrate with ipc handlers

- Added `MCPService` class to manage Model Context Protocol servers.
- Implemented various handlers in `ipc.ts` for managing MCP servers including listing, adding, updating, deleting, and activating/deactivating servers.
- Integrated MCP related types into existing type declarations for consistency across the application.
- Updated `preload` to expose new MCP related APIs to the renderer process.
- Enhanced `MCPSettings` component to interact directly with the new MCP service for adding, updating, deleting servers and setting their active states.
- Introduced selectors in the MCP Redux slice for fetching active and all servers from the store.
- Moved MCP types to a centralized location in `@renderer/types` for reuse across different parts of the application.

* feat: enhance MCPService initialization to prevent recursive calls and improve error handling

* feat: enhance MCP integration by adding MCPTool type and updating related methods

* feat: implement streaming support for tool calls in OpenAIProvider and enhance message processing

package.json

@@ -63,6 +63,7 @@
     "@llm-tools/embedjs-loader-web": "^0.1.28",
     "@llm-tools/embedjs-loader-xml": "^0.1.28",
     "@llm-tools/embedjs-openai": "^0.1.28",
+    "@modelcontextprotocol/sdk": "^1.6.1",
     "@notionhq/client": "^2.2.15",
     "@types/react-infinite-scroll-component": "^5.0.0",
     "adm-zip": "^0.5.16",