fix: record message confirmations in context

backend/tests/test_fixed_speech_playback.py

@@ -12,6 +12,7 @@ from pipecat.frames.frames import (
 )
 import services.brains  # Initialize the brain registry before realtime imports.
 from services.fixed_speech import FixedSpeechOutput
+from services.message_stage import MESSAGE_CONFIRMATION_CONTEXT_MARKER
 from services.pipecat.call_lifecycle import (
     CallEndCoordinator,
     FixedSpeechPlaybackMarkerFrame,
@@ -141,6 +142,62 @@ class FixedSpeechPlaybackTest(unittest.IsolatedAsyncioTestCase):
 
         self.assertEqual(reasons, ["workflow_completed"])
 
+    async def test_realtime_confirmation_is_appended_without_running_model(self):
+        graph = {
+            "specVersion": 3,
+            "settings": {},
+            "nodes": [
+                {
+                    "id": "message",
+                    "type": "message",
+                    "data": {
+                        "title": "办理提示",
+                        "message": "确认后开始办理。",
+                        "confirmLabel": "继续办理",
+                        "completionPolicy": "confirmation",
+                    },
+                }
+            ],
+            "edges": [],
+        }
+        appended = []
+        input_states = []
+
+        class FakeRealtime:
+            async def send_text(self, text, *, run_immediately=True):
+                appended.append((text, run_immediately))
+
+        class FakeClientTools:
+            async def call(self, *_args, **_kwargs):
+                return {"status": "ok", "data": {"action": "confirmed"}}
+
+        async def queue_frame(_frame):
+            pass
+
+        controller = WorkflowRealtimeController(
+            cfg=AssistantConfig(type="workflow", graph=graph),
+            engine=WorkflowEngine(graph),
+            store=DynamicVariableStore({}),
+            runtime=SimpleNamespace(
+                realtime=FakeRealtime(),
+                queue_frame=queue_frame,
+                call_end=SimpleNamespace(ending=False),
+                session_id="test-session",
+                client_tools=FakeClientTools(),
+                set_input_enabled=input_states.append,
+                capture_image=None,
+            ),
+        )
+
+        succeeded = await controller._enter_message("message")
+
+        self.assertTrue(succeeded)
+        self.assertEqual(input_states, [False, True])
+        self.assertEqual(len(appended), 1)
+        self.assertFalse(appended[0][1])
+        self.assertIn(MESSAGE_CONFIRMATION_CONTEXT_MARKER, appended[0][0])
+        self.assertIn("点击“继续办理”", appended[0][0])
+
 
 if __name__ == "__main__":
     unittest.main()