Phase 1 verified:
- 8/8 requirements satisfied (DATA-01 through DATA-05, PERS-01 through PERS-03)
- 34 tests passing (22 unit + 12 integration)
- SortOrderProvider with 6 methods for sortOrder calculation
- Trip extension with day derivation methods
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- 01-01: Reframe must_haves.truths to user-observable behaviors
- 01-01: Remove unimplemented key_link (wiring happens in later phases)
- 01-02: Add test case for DATA-04 (custom items at any position)
- 01-02: Add must_haves.truths entry for custom item flexibility
- 01-02: Document LocalItineraryItem is standalone (no sibling models needed)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>