feat(llm): support incremental Responses WebSocket transport

uv.lock

@@ -369,7 +369,7 @@ requires-dist = [
     { name = "uiautomator2", specifier = ">=3.5.0" },
     { name = "uuid-utils", specifier = ">=0.9.0" },
     { name = "uvicorn", extras = ["standard"], specifier = ">=0.30.1" },
-    { name = "websockets", specifier = ">=12.0" },
+    { name = "websockets", specifier = ">=15.0" },
     { name = "windows-capture", marker = "platform_machine == 'AMD64' and sys_platform == 'win32'", specifier = ">=2.0.1,<3" },
 ]
 provides-extras = ["dev"]