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perf: reduce build memory and time - #1156

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perf/memory-usage

Commits on Oct 10, 2026
- perf(core): load Shiki grammars on demand
  ovflowd
  committed
  95b8cdf
- perf(react): embed highlighted code as static markup
  ovflowd
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  e065742
- perf(react): render `all.html` in the worker pool, unminified
  ovflowd
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  4bc5f87
- perf: flatten the generated code and the rendered HTML
  ovflowd
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  7871036
- perf: keep worker-only code off the main thread
  ovflowd
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  8dc69e9
- perf(react): keep the `#theme/config` source off the rendering threads
  ovflowd
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  67bd26d
- feat(core): run a module in a child process with `createChildProcess`
  ovflowd
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  4325a8e
- perf(react): run the default bundler in a child process
  ovflowd
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  876aa98
- docs(core): describe the thread ceiling without Shiki's grammars
  ovflowd
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  c46bd31
- perf(core): limit each worker's heap, by default to 512MB
  ovflowd
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  9f373de
- perf(core): end idle workers after 500ms instead of a second
  ovflowd
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  bd45555
- perf(react): highlight each type once per thread
  ovflowd
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  1f0f482
- docs: note that Node.js 26 keeps the memory of ended workers
  ovflowd
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  11e6c19
- chore: add a changeset for the build memory work
  ovflowd
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  914eb34