Playback crash symptoms (short freeze, then browser/tab crash) strongly match an OOM pattern from preloading or retaining too many decoded video frames (`ImageBitmap`/raw RGBA buffers). The media manager should stop eager full-clip frame extraction and move to bounded caching with explicit disposal. This change should make video decoding demand-driven (current/nearby frames only), and ensure old frames are evicted and closed.
Affected files: media-manager.ts
Signed-off-by: ChinhLee <76194645+chinhkrb113@users.noreply.github.com>
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