Step 6 now writes Vitest unit tests for non-trivial hooks and utility
functions before E2E tests. Includes clear guidance on what to test
(custom hooks, pure functions, form validation) and what to skip
(presentational components, logic covered by E2E). Steps 6-9 renumbered.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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