Reduce feedback-loop wall-time on the slowest dashboard test files
(FN-5048 velocity), behavior-preserving — no assertions, timeouts, or
worker counts changed.
- SettingsModal.test.tsx (231 tests, ~60.5s in one sequential worker)
split into 4 sibling files sharing SettingsModal.test-harness.tsx so
the settings project parallelizes them across workers (~60.5s -> ~25s
wall). Test bodies moved verbatim; static it() count preserved at 231.
vi.mock factories stay per-file and reference the harness-exported
mock fns; shared beforeEach/afterEach via installSettingsModalEnv().
- insights-routes.test.ts: lazily init the project-b store (only 1 of 24
tests needs it) instead of a second TaskStore.init() per test
(tests 5.78s -> 3.66s).
- evals-routes.test.ts: same lazy storeB pattern.
- vitest.config.ts: point the settings-only project at the 4 new files;
drop the bare "SettingsModal" entry from the component shards.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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