refactor: remove legacy assistant compatibility

backend/tests/test_prompt_realtime_tools.py

@@ -335,7 +335,16 @@ class PromptRealtimeToolControllerTests(unittest.IsolatedAsyncioTestCase):
                     name="显示拍照按钮",
                     function_name="set_photo_button_visible",
                     type="client",
-                    definition={"type": "client", "config": {"parameters": []}},
+                    definition={
+                        "type": "client",
+                        "config": {
+                            "allow_interruptions": True,
+                            "execution_mode": "async",
+                            "wait_for_response": True,
+                            "response_wait_mode": "timeout",
+                            "parameters": [],
+                        },
+                    },
                 )
             ],
             tool_bindings=[RuntimeToolBinding(tool_id="tool_photo")],
@@ -502,13 +511,20 @@ class PromptRealtimeCapabilityTests(unittest.TestCase):
                     "qwen-audio-realtime",
                     tools=[
                         RuntimeTool(
-                            id="legacy",
-                            name="旧外部工具",
+                            id="reserved_name_tool",
+                            name="保留名冲突工具",
                             function_name="end_conversation",
                             type="http",
+                            definition={
+                                "type": "http",
+                                "config": {
+                                    "allow_interruptions": True,
+                                    "execution_mode": "immediate",
+                                },
+                            },
                         )
                     ],
-                    tool_bindings=[RuntimeToolBinding(tool_id="legacy")],
+                    tool_bindings=[RuntimeToolBinding(tool_id="reserved_name_tool")],
                 )
             )