- Convert 17 server spec files from vitest to Jest (vi -> jest globals)
- Add jest.mock stubs for ESM-only prosemirror/html and collaboration modules
- Fix Zod v4 strict UUID validation failures in test fixtures (version byte [1-8] required)
- Add JwtAuthGuard.overrideGuard in all controller specs that lacked it
- Fix jest.Mock type inference (ReturnType<typeof jest.fn> -> jest.Mock) to prevent 'never' arg errors
- Delete vitest.config.ts (CJS), keep vitest.config.mts (ESM-compatible) on client
- Add global mocks for @excalidraw/excalidraw and @/main.tsx in client test-setup
- Result: client 38/38 suites 313/313 tests, server acadenice 21/21 suites 210/210 tests, 0 TS errors
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Corentin
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