来源栏已显示结果状态，横幅约 1.5 秒后只隐藏控件并保留 state()。已用 apps/studio/tests/test_analysis_progress.py 验证。
Stored analysis overlays now use the decoded frame; latch resets and draw failures surface. Verified with bare-video, replay-wiring, visual_policy, and analysis-progress tests.
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