chore: agentic upgrade

tests/unit/test_media_service.py

@@ -22,6 +22,9 @@ class _FakeProcess:
     async def communicate(self) -> tuple[bytes, bytes]:
         return b"", b""
 
+    async def wait(self) -> int:
+        return self.returncode
+
 
 @pytest.mark.asyncio
 async def test_remove_silence_uses_single_input_trim_filter(tmp_path) -> None: