perf(studio): schedule timeline thumbnail work#2652
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This was referenced Jul 19, 2026
This was referenced Jul 19, 2026
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This was referenced Jul 19, 2026
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What
schedule timeline thumbnail work.
Why
Retain the high-value visual thumbnail UX while bounding decoding, network, CPU, and memory work to useful viewport content.
How
Adds one layer of the thumbnail policy, scheduler, runtime, server, preference, component, context, or coordinator pipeline.
Key files in this layer:
packages/studio/src/player/lib/thumbnailPolicy.test.tspackages/studio/src/player/lib/thumbnailPolicy.tspackages/studio/src/player/lib/thumbnailScheduler.test.tspackages/studio/src/player/lib/thumbnailScheduler.tsTest plan
Validated on the complete stacked tip with formatting, lint, Studio typecheck, the full production build, and the Studio test suite (2,946 passing; 18 todo). Focused timeline/thumbnail tests and browser QA cover the affected interaction path.
Post-Deploy Monitoring & Validation