修复 Autocal 录像故障处理、复核回放与汇总统计

apps/autocal/tests/test_video_review.py

@@ -205,6 +205,39 @@ def test_the_frame_list_is_bounded_by_the_hold(tmp_path):
     assert all(frame.in_video for frame in frames)
 
 
+def test_confirmed_playback_uses_the_reviewers_selected_interval(tmp_path):
+    review = _review(tmp_path)
+    trial_id, step = _capture(review)
+    window = review["sites"][0]["windows"][1]
+    selected_start = window["trace"][1][0]
+    selected_end = window["hold_end_host_mono_ns"]
+    review = review_session(tmp_path / "rec", selections={f"{trial_id}:{step}": {
+        "t_start_host_mono_ns": selected_start,
+        "t_end_host_mono_ns": selected_end,
+        "stability_verified": True,
+    }})
+    with open_window_video(review, trial_id=trial_id, step_index=step) as player:
+        assert len(player.frames) == 2
+        assert all(selected_start <= frame.t_host_mono_ns < selected_end for frame in player.frames)
+
+
+def test_playback_does_not_retain_previously_decoded_images(tmp_path):
+    import gc
+    import weakref
+
+    review = _review(tmp_path)
+    trial_id, step = _capture(review)
+    refs = []
+    with open_window_video(review, trial_id=trial_id, step_index=step) as player:
+        for index in range(player.frame_count):
+            image = player.frame(index)
+            assert image is not None
+            refs.append(weakref.ref(image))
+            del image
+        gc.collect()
+        assert sum(ref() is not None for ref in refs) <= 1
+
+
 def test_decode_failure_is_reported_rather_than_showing_a_neighbour(tmp_path):
     review = _review(tmp_path)
     root = tmp_path / "rec"