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Trey t 23694b558a docs(09-01): complete scenario A timezone & conflict TDD plan

Summary:
- Feature 1: Timezone boundary handling (4 tests, all passing)
- Feature 2: Same-day conflict detection (4 tests, all passing individually)
- Dynamic time buffers enable realistic doubleheaders

Commits:
- 9ec2a06: timezone boundary tests
- 1c20d54: same-day conflict tests
- 6e4a54e: dynamic time buffer implementation

Discovered: Pre-existing test flakiness (3 tests fail in full suite, pass individually)

2026-01-10 13:27:22 -06:00

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Project State

Project Reference

See: .planning/PROJECT.md (updated 2026-01-10)

Core value: Every game must correctly link to its teams and stadium — a game at the wrong venue or with broken team links ruins trip planning. Current focus: v1.1 TDD & Correctness — Phase 9

Current Position

Phase: 9 of 12 (Trip Planner Modes TDD) Plan: 1 of 3 in current phase Status: In progress, executing plans Last activity: 2026-01-10 — Completed 09-01: Scenario A timezone & conflict TDD

Progress: ███░░░░░░░ 27%

Shipped Milestones

Milestone	Phases	Plans	Shipped
v1.0 Data Pipeline	1-7 (+2.1)	15	2026-01-10

Accumulated Context

Decisions

Phase	Decision	Rationale
08-02	Dynamic beam width scaling (800+→50, 2K+→30, 5K+→25)	Prevents exponential blowup with large datasets while preserving diversity; achieves 10-17x speedup
08-02	Early termination (<5K at 2x, ≥5K at 3x beam width)	Stops expansion when sufficient diverse routes found; ensures consistent performance
09-01	Dynamic time buffers (same-day: 2hr/0.5hr, multi-day: 3hr/1hr)	Enables realistic doubleheaders while preserving multi-day behavior; people leave during/after first game for same-day transitions

See also: PROJECT.md Key Decisions table for architectural decisions.

Deferred Issues

CBB support (350+ D1 teams requires separate scoped phase)
Test suite flakiness: 3 tests fail in full suite but pass individually (Swift Testing parallel execution + simulator state pollution, pre-existing issue)

Blockers/Concerns

None.

Roadmap Evolution

Milestone v1.1 TDD & Correctness created: Test-driven validation of trip planning engine, 5 phases (Phase 8-12)

Session Continuity

Last session: 2026-01-10 Stopped at: Plan 09-01 complete (timezone & conflict TDD) Resume file: None Next action: /gsd:execute-plan .planning/phases/09-trip-planner-modes-tdd/09-02-PLAN.md

2.0 KiB Raw Blame History