86 lines
4.3 KiB
Markdown
86 lines
4.3 KiB
Markdown
---
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phase: 03-visual-flattening
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verified: 2026-01-18T22:30:00Z
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status: passed
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score: 7/7 must-haves verified
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re_verification: false
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---
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# Phase 3: Visual Flattening Verification Report
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**Phase Goal:** Semantic items flatten to display rows deterministically, sorted by sortOrder.
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**Verified:** 2026-01-18T22:30:00Z
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**Status:** passed
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**Re-verification:** No - initial verification
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## Goal Achievement
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### Observable Truths
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| # | Truth | Status | Evidence |
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|---|-------|--------|----------|
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| 1 | Items with lower sortOrder appear before items with higher sortOrder | VERIFIED | ItineraryFlattener.swift:93 sorts by sortOrder ascending |
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| 2 | Items with sortOrder < 0 appear before games | VERIFIED | Test `success_negativeSortOrderAppearsBeforeGames` passes |
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| 3 | Items with sortOrder >= 0 appear after or between games | VERIFIED | Tests `flatten_gamesGetSortOrderFromTime*` pass; games have sortOrder 100+minutes |
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| 4 | Day headers always appear first in each day's section | VERIFIED | Test `flatten_dayHeaderAlwaysFirst` passes; ItineraryFlattener.swift:58 appends header first |
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| 5 | Same semantic state produces identical row order | VERIFIED | Test `success_sameStateProducesIdenticalOrder` passes |
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| 6 | Item with sortOrder -1.0 appears before all games | VERIFIED | Test `success_negativeSortOrderAppearsBeforeGames` explicitly tests this |
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| 7 | Reordering an item and re-flattening preserves new order | VERIFIED | Test `success_reorderPreservesNewOrder` passes |
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**Score:** 7/7 truths verified
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### Required Artifacts
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| Artifact | Expected | Status | Details |
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|----------|----------|--------|---------|
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| `SportsTime/Core/Models/Domain/ItineraryFlattener.swift` | Pure flatten function | VERIFIED | 124 lines, exports `flatten(days:itineraryItems:gamesByDay:)`, no stubs |
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| `SportsTime/Features/Trip/Views/ItineraryTableViewController.swift` | Refactored reloadData() using ItineraryFlattener | VERIFIED | Line 444 calls `ItineraryFlattener.flatten()`, no beforeGames/afterGames buckets |
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| `SportsTimeTests/Domain/ItineraryFlattenerTests.swift` | Determinism and ordering tests | VERIFIED | 765 lines, 13 tests, all pass |
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### Key Link Verification
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| From | To | Via | Status | Details |
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|------|----|-----|--------|---------|
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| `ItineraryTableViewController.reloadData()` | `ItineraryFlattener.flatten()` | function call | WIRED | Line 444 calls flattener with days, itineraryItems, gamesByDay |
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| `ItineraryFlattenerTests` | `ItineraryFlattener.flatten()` | test assertions | WIRED | 13 tests call flatten and verify output |
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### Requirements Coverage
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| Requirement | Status | Evidence |
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|-------------|--------|----------|
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| FLAT-01: Visual flattening sorts by sortOrder within each day | SATISFIED | `positioned.sort { $0.sortOrder < $1.sortOrder }` at line 93 |
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| FLAT-02: Flattening is deterministic and stateless | SATISFIED | Pure function enum with no instance state; test confirms identical output |
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| FLAT-03: sortOrder < 0 for "before games", >= 0 for "after/between games" | SATISFIED | Games get sortOrder 100+minutes; negative sortOrder items sort before |
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### Anti-Patterns Found
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| File | Line | Pattern | Severity | Impact |
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|------|------|---------|----------|--------|
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| None | - | - | - | No anti-patterns detected |
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Scanned files:
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- `ItineraryFlattener.swift`: No TODO/FIXME/placeholder/stub patterns
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- `ItineraryTableViewController.swift`: No beforeGames/afterGames bucket logic remains
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### Human Verification Required
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None - all phase goals are verifiable programmatically through:
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1. Code inspection (sortOrder-based sorting logic)
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2. Automated tests (13 passing tests covering all success criteria)
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### Verification Summary
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Phase 3 goal fully achieved:
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1. **ItineraryFlattener utility created** - Pure function that transforms hierarchical day data into flat display rows sorted by sortOrder
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2. **reloadData() refactored** - Now uses `ItineraryFlattener.flatten()` instead of bucket-based beforeGames/afterGames approach
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3. **Determinism verified** - Same semantic state produces identical row order (tested)
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4. **sortOrder conventions enforced** - Negative sortOrder items appear before games, positive after/between
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The old bucket-based flattening code has been completely removed. The new implementation is pure, testable, and deterministic.
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---
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*Verified: 2026-01-18T22:30:00Z*
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*Verifier: Claude (gsd-verifier)*
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