Rewrote PROJECT__IDAA_Stores_Svelte5_Migration_2026.md with complete
detail: full 29-file consumer inventory with hit counts per module,
exact files that only reference the localStorage key string (no changes
needed), store_versions.ts wipe note, explicit Phase 1 ordering, test
seed guidance, and updated Risk Register including R3 nested-object
merge gap.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>