test: fix react 19 compatibility and create vitest configuration

- Upgrade @testing-library/react from ^14.0.0 to ^16.0.0 (supports React 19)
- Create vitest.config.ts with jsdom environment, v8 coverage, and 80% coverage thresholds
- Run clean npm install - 829 packages added successfully
- Vitest 1.6.1 verified and operational
This commit is contained in:
2026-04-18 17:37:32 +00:00
parent e5fc1c4d33
commit 67709ca953
3 changed files with 2293 additions and 1634 deletions

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