Fixed format_timestamp() function

src/reachy_mini_conversation_demo/openai_realtime.py

@@ -228,14 +228,12 @@ class OpenaiRealtimeHandler(AsyncStreamHandler):
             self.connection = None
 
     def format_timestamp(self):
-        """Format current timestamp with date, time and elapsed seconds."""
-        current_time = asyncio.get_event_loop().time()
-        elapsed_seconds = current_time - self.start_time
-        dt = datetime.fromtimestamp(current_time)
+        """Format current timestamp with date, time, and elapsed seconds."""
+        loop_time = asyncio.get_event_loop().time()  # monotonic
+        elapsed_seconds = loop_time - self.start_time
+        dt = datetime.now()  # wall-clock
         return f"[{dt.strftime('%Y-%m-%d %H:%M:%S')} | +{elapsed_seconds:.1f}s]"
 
-
-
     async def send_idle_signal(self, idle_duration) -> None:
         """Send an idle signal to the openai server."""
         logger.debug("Sending idle signal")

tests/test_openai_realtime.py

@@ -0,0 +1,28 @@
+import asyncio
+from datetime import datetime
+from unittest.mock import MagicMock
+
+from reachy_mini_conversation_demo.openai_realtime import OpenaiRealtimeHandler
+from reachy_mini_conversation_demo.tools import ToolDependencies
+
+
+def _build_handler(loop):
+    asyncio.set_event_loop(loop)
+    deps = ToolDependencies(reachy_mini=MagicMock(), movement_manager=MagicMock())
+    return OpenaiRealtimeHandler(deps)
+
+
+def test_format_timestamp_uses_wall_clock():
+    loop = asyncio.new_event_loop()
+    try:
+        print("Testing format_timestamp...")
+        handler = _build_handler(loop)
+        formatted = handler.format_timestamp()
+        print(f"Formatted timestamp: {formatted}")
+    finally:
+        asyncio.set_event_loop(None)
+        loop.close()
+
+    # Extract year from "[YYYY-MM-DD ...]"
+    year = int(formatted[1:5])
+    assert year == datetime.utcnow().year