接入 Autocal 实时相机及帧时间显示

视频和相机共用 Finger worker，并保留采集时间、源帧编号及媒体时间。通过界面、采集链和真实视频验证。

shared/tests/test_stream_pipeline_acquisition.py

@@ -176,6 +176,7 @@ class _Runtime:
     """A stand-in for ``FingerRuntime`` with the API the worker uses."""
 
     def __init__(self, *args, **kwargs) -> None:
+        self._source_seq = 0
         self.tactile = types.SimpleNamespace(
             raw_sensor=_Sensor(),
             reset=lambda: None,
@@ -192,6 +193,16 @@ class _Runtime:
     def read_source(self):
         return True, np.zeros((8, 8, 3), dtype=np.uint8)
 
+    def read_source_stamped(self):
+        self._source_seq += 1
+        return types.SimpleNamespace(
+            image=np.zeros((8, 8, 3), dtype=np.uint8),
+            sequence=self._source_seq,
+            host_mono_ns=time.perf_counter_ns(),
+            host_utc_ns=time.time_ns(),
+            media_time_ms=self._source_seq * 50.0,
+        )
+
     def process_frame(self, frame, *, color=False):
         return np.zeros((8, 8), dtype=np.uint8)
 
@@ -276,6 +287,14 @@ def test_finger_video_and_camera_use_the_same_packet_path(source, monkeypatch):
         assert packet.processed_frame.shape == (8, 8, 3)
         assert packet.session_id == 1
         assert packet.frame_id == 0
+        assert packet.source_frame_id == 1
+        assert packet.capture_mono_ns is not None
+        assert packet.capture_utc_ns is not None
+        assert packet.timestamp == pytest.approx(packet.capture_utc_ns / 1e9)
+        assert packet.time_basis == (
+            "host_replay" if isinstance(source, str) else "host_camera"
+        )
+        assert packet.media_time_ms == 50.0
     finally:
         worker.stop(wait=True)
         _restore(saved)