test: migrate from Jest to Vitest - #1000
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Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com> Co-authored-by: Claude <noreply@anthropic.com>
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Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com> Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: anttiviljami <6105650+anttiviljami@users.noreply.github.com>
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Summary
jest = vicompatibility bridgejest.Mocktypings without changing test structureValidation
npm test— 4 suites, 316 tests passingnpm run buildnpm run lintTest speed
Vitest reduces measured wall-clock suite time by approximately 51–58% (about 55% at the midpoint).