feat: update TypeScript configuration and enhance discover page layout

- Added support for the @modelcontextprotocol/sdk in tsconfig.node.json.
- Updated import paths in provider.ts to include .js extensions.
- Enhanced AgentsPage layout by integrating Navbar and Input components.
- Refactored DiscoverPage to remove DialogManagerProvider and related components, simplifying the structure.
- Removed unused dialog components and hooks to streamline the discover functionality.
- Minor adjustments to AssistantSettings and Vercel tabs for improved code clarity.

tsconfig.node.json

@@ -19,7 +19,8 @@
       "@main/*": ["src/main/*"],
       "@types": ["src/renderer/src/types/index.ts"],
       "@shared/*": ["packages/shared/*"],
-      "@renderer/*": ["src/renderer/src/*"]
+      "@renderer/*": ["src/renderer/src/*"],
+      "@modelcontextprotocol/sdk/*": ["node_modules/@modelcontextprotocol/sdk/dist/esm/*"]
     }
   }
 }