perf(studio): prioritize timeline thumbnail work#2719
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This was referenced Jul 21, 2026
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This was referenced Jul 21, 2026
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What
Prioritize thumbnail work for visible, selected, and preview-relevant timeline clips.
Why
When resources are constrained, the media closest to the user's current edit must become useful first without selection-sync races.
How
Feed viewport and selection intent into the scheduler, coordinate preview selection, keep lightweight clip shells stable, and render audio waveforms through the same bounded work policy.
Test plan
Family G tip validation: 78 changed-surface Studio tests, 19 focused server tests, 3,026 full Studio tests, 406 full Studio Server tests, both typechecks, format, lint, file-size gate, and full workspace build.