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kilocode/packages/opencode/script
Yury Zialionka a4c6080170 perf(test): run isolation-safe test files in one shared process
Part of #12986 (in-process fast tier).

The per-file process model exists to contain cross-test state, but it
taxes every file with a process boot + TypeScript compile even when the
file is pure. This adds a fast tier: 14 directories/files empirically
verified to pass together in a single 'bun test' pass (~37 files, all
of util/, config/, effect/, patch/, provider transforms, and other
boot-dominated suites; 1360-test superset probe ran clean).

- The batch enters LPT shard splitting as one pseudo-file with a
  duration-scale weight, so exactly one shard executes it and balancing
  is preserved.
- JUnit: the batch writes one XML containing all member suites; the
  existing merge picks it up by work-item name.
- Batching disables itself under --profile (macOS curated run) and
  positional pattern filters, and the batch gets a roomier process
  deadline since it compiles once for ~37 files.
- I/O-heavy directories (git/, lsp/, storage/, auth/) stay per-file:
  their runtime is real work that parallelizes across the worker pool,
  while a batch runs members sequentially.

Validated locally: full suite 626/627 with the batch green (the one
failure is cli/run/run-process.test.ts SIGINT timing out solo on
unmodified main on this machine - pre-existing, unrelated).
2026-08-13 14:50:01 -06:00
..
2026-07-22 13:31:23 +02:00
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