feat(extensions): support Unix domain socket transport for StreamableHttp MCP (#7860)

ui/desktop/openapi.json

@@ -5132,6 +5132,11 @@
                 "type": "string",
                 "description": "The name used to identify this extension"
               },
+              "socket": {
+                "type": "string",
+                "description": "Optional Unix domain socket path for HTTP-over-UDS transport.\nWhen set, the HTTP connection is routed through this socket while\n`uri` is used for the Host header and path.\nUse `@name` for Linux abstract sockets.",
+                "nullable": true
+              },
               "timeout": {
                 "type": "integer",
                 "format": "int64",

ui/desktop/src/api/types.gen.ts

@@ -405,6 +405,13 @@ export type ExtensionConfig = {
      * The name used to identify this extension
      */
     name: string;
+    /**
+     * Optional Unix domain socket path for HTTP-over-UDS transport.
+     * When set, the HTTP connection is routed through this socket while
+     * `uri` is used for the Host header and path.
+     * Use `@name` for Linux abstract sockets.
+     */
+    socket?: string | null;
     timeout?: number | null;
     type: 'streamable_http';
     uri: string;