0376ecec90
Tasks completed: 3/3 - Add edge case tests (10 new tests) - Create API documentation for Phase 4 - Run full test suite (22 constraint tests pass) SUMMARY: .planning/phases/02-constraint-validation/02-02-SUMMARY.md Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
96 lines
3.7 KiB
Markdown
96 lines
3.7 KiB
Markdown
# Project State: Itinerary Editor
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## Project Reference
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**Core Value:** Drag-and-drop that operates on semantic positions (day + sortOrder), not row indices - so user intent is preserved across data reloads.
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**Current Focus:** Phase 2 Complete - Ready for Phase 3 (Visual Flattening)
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## Current Position
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**Phase:** 2 of 4 (Constraint Validation) - COMPLETE
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**Plan:** 2 of 2 complete
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**Status:** Phase complete
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**Last activity:** 2026-01-18 - Completed 02-02-PLAN.md
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```
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Progress: [####------] 50%
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Phase 1: [##########] 100% (2/2 plans) COMPLETE
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Phase 2: [##########] 100% (2/2 plans) COMPLETE
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Phase 3: [----------] Not Started
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Phase 4: [----------] Not Started
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```
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## Performance Metrics
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| Metric | Value |
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|--------|-------|
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| Total Requirements | 23 |
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| Completed | 12 |
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| Current Phase | 2 (complete) |
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| Plans Executed | 4 |
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## Accumulated Context
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### Key Decisions
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| Decision | Rationale | Phase |
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|----------|-----------|-------|
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| UITableView over SwiftUI List | SwiftUI drag-drop lacks insertion line precision | Pre-planning |
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| (day, sortOrder) position model | Row indices break on reload; semantic position is stable | Pre-planning |
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| Insertion lines (not zones) | User wants precise feedback on exact drop location | Pre-planning |
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| Invalid drops rejected (snap back) | Cleaner than auto-clamping; user knows what happened | Pre-planning |
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| Games get sortOrder from 100 + minutes since midnight | Range 100-1540 leaves room for negative sortOrder items | 01-01 |
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| Normalization threshold at 1e-10 | Standard floating-point comparison for precision exhaustion | 01-01 |
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| Day 1 = trip.startDate | 1-indexed, games belong to their start date | 01-01 |
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| Swift Testing (@Test) over XCTest | Matches existing project test patterns | 01-02 |
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| LocalItineraryItem conversion for testing | Avoids #Predicate macro issues with local captures | 01-02 |
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| Edge case tests cover all boundaries | Day 0, beyond trip, exact sortOrder, negative/large values | 02-02 |
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| Success criteria verification tests | Tests named 'success_*' directly verify ROADMAP criteria | 02-02 |
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### Learned
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- Previous attempts failed due to row-based thinking instead of semantic positioning
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- Travel was incorrectly treated as structural ("travelBefore") instead of positional
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- Hard-coded flatten order ignoring sortOrder caused reload issues
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- SortOrderProvider provides static methods for all sortOrder calculations
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- Trip extension provides instance methods for day number derivation
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- 50 midpoint insertions maintain distinct sortOrder values before precision loss
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- ItineraryConstraints provides isValidPosition(), validDayRange(), barrierGames() for drag validation
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- Travel sortOrder constraints: must be AFTER (not equal to) departure game sortOrder
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### TODOs
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- [x] Create tests for semantic position persistence (Plan 01-02) - COMPLETE
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- [x] Migrate constraint tests to Swift Testing (Plan 02-01) - COMPLETE
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- [x] Add edge case tests and API documentation (Plan 02-02) - COMPLETE
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### Blockers
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None currently.
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## Session Continuity
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**Last Session:** 2026-01-18T21:13:45Z
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**Stopped at:** Completed 02-02-PLAN.md (Phase 2 complete)
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**Resume file:** .planning/phases/03-visual-flattening/03-01-PLAN.md
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### Context for Next Session
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Phase 2 complete with 22 constraint tests covering:
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- CONS-01: Games cannot move (2 tests)
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- CONS-02: Travel day range constraints (3 tests)
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- CONS-03: Travel sortOrder constraints (5 tests)
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- CONS-04: Custom item flexibility (2 tests)
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- Edge cases: 8 tests
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- Success criteria: 3 tests
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- Barrier games: 1 test
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API documentation ready for Phase 4 at CONSTRAINT-API.md.
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Ready to start Phase 3: Visual Flattening (sortOrder-based flattening, deterministic ordering).
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---
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*State initialized: 2026-01-18*
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*Last updated: 2026-01-18*
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