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docs(02-01): complete thread backend API plan

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- Created 02-01-SUMMARY.md with execution results
- Updated STATE.md with phase 2 position and decisions
- Updated ROADMAP.md with plan progress
- Marked THRD-01 through THRD-04 requirements complete

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Jean-Luc Makiola
2026-03-15 11:41:19 +01:00
parent add3e3371d
commit 53d6fa445d
3 changed files with 159 additions and 24 deletions
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16
.planning/REQUIREMENTS.md
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@@ -16,10 +16,10 @@ Requirements for initial release. Each maps to roadmap phases.
### Planning Threads ### Planning Threads
- [ ] **THRD-01**: User can create a planning thread with a name (e.g. "Helmet") - [x] **THRD-01**: User can create a planning thread with a name (e.g. "Helmet")
- [ ] **THRD-02**: User can add candidate products to a thread with weight, price, notes, and product link - [x] **THRD-02**: User can add candidate products to a thread with weight, price, notes, and product link
- [ ] **THRD-03**: User can edit and remove candidates from a thread - [x] **THRD-03**: User can edit and remove candidates from a thread
- [ ] **THRD-04**: User can resolve a thread by picking a winner, which moves to their collection - [x] **THRD-04**: User can resolve a thread by picking a winner, which moves to their collection
### Setups ### Setups
@@ -78,10 +78,10 @@ Which phases cover which requirements. Updated during roadmap creation.
| COLL-02 | Phase 1 | Complete | | COLL-02 | Phase 1 | Complete |
| COLL-03 | Phase 1 | Complete | | COLL-03 | Phase 1 | Complete |
| COLL-04 | Phase 1 | Complete | | COLL-04 | Phase 1 | Complete |
| THRD-01 | Phase 2 | Pending | | THRD-01 | Phase 2 | Complete |
| THRD-02 | Phase 2 | Pending | | THRD-02 | Phase 2 | Complete |
| THRD-03 | Phase 2 | Pending | | THRD-03 | Phase 2 | Complete |
| THRD-04 | Phase 2 | Pending | | THRD-04 | Phase 2 | Complete |
| SETP-01 | Phase 3 | Pending | | SETP-01 | Phase 3 | Pending |
| SETP-02 | Phase 3 | Pending | | SETP-02 | Phase 3 | Pending |
| SETP-03 | Phase 3 | Pending | | SETP-03 | Phase 3 | Pending |

36
.planning/STATE.md
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@@ -2,16 +2,16 @@
gsd_state_version: 1.0 gsd_state_version: 1.0
milestone: v1.0 milestone: v1.0
milestone_name: milestone milestone_name: milestone
status: completed status: in-progress
stopped_at: Phase 2 context gathered stopped_at: Completed 02-01-PLAN.md
last_updated: "2026-03-15T10:18:27.410Z" last_updated: "2026-03-15T10:39:24Z"
last_activity: 2026-03-14 — Completed 01-04 onboarding wizard and visual verification last_activity: 2026-03-15 — Completed 02-01 thread backend API
progress: progress:
total_phases: 3 total_phases: 3
completed_phases: 1 completed_phases: 1
total_plans: 4 total_plans: 7
completed_plans: 4 completed_plans: 5
percent: 100 percent: 71
--- ---
# Project State # Project State
@@ -21,16 +21,16 @@ progress:
See: .planning/PROJECT.md (updated 2026-03-14) See: .planning/PROJECT.md (updated 2026-03-14)
**Core value:** Make it effortless to manage gear and plan new purchases — see how a potential buy affects your total setup weight and cost before committing. **Core value:** Make it effortless to manage gear and plan new purchases — see how a potential buy affects your total setup weight and cost before committing.
**Current focus:** Phase 1: Foundation and Collection **Current focus:** Phase 2: Planning Threads
## Current Position ## Current Position
Phase: 1 of 3 (Foundation and Collection) Phase: 2 of 3 (Planning Threads)
Plan: 4 of 4 in current phase (complete) Plan: 1 of 3 in current phase
Status: Phase 1 complete Status: In progress
Last activity: 2026-03-14 — Completed 01-04 onboarding wizard and visual verification Last activity: 2026-03-15 — Completed 02-01 thread backend API
Progress: [██████████] 100% Progress: [███████---] 71%
## Performance Metrics ## Performance Metrics
@@ -53,6 +53,7 @@ Progress: [██████████] 100%
| Phase 01 P02 | 3min | 2 tasks | 13 files | | Phase 01 P02 | 3min | 2 tasks | 13 files |
| Phase 01 P03 | 3min | 2 tasks | 16 files | | Phase 01 P03 | 3min | 2 tasks | 16 files |
| Phase 01 P04 | 3min | 2 tasks | 5 files | | Phase 01 P04 | 3min | 2 tasks | 5 files |
| Phase 02 P01 | 5min | 2 tasks | 9 files |
## Accumulated Context ## Accumulated Context
@@ -71,6 +72,9 @@ Recent decisions affecting current work:
- [Phase 01-03]: CategoryPicker uses native ARIA combobox pattern with keyboard navigation - [Phase 01-03]: CategoryPicker uses native ARIA combobox pattern with keyboard navigation
- [Phase 01-04]: Onboarding state persisted in SQLite settings table, not Zustand (source of truth in DB) - [Phase 01-04]: Onboarding state persisted in SQLite settings table, not Zustand (source of truth in DB)
- [Phase 01-04]: Settings API is generic key-value store usable beyond onboarding - [Phase 01-04]: Settings API is generic key-value store usable beyond onboarding
- [Phase 02-01]: Drizzle sql template literals use raw table.column refs in correlated subqueries (not interpolated)
- [Phase 02-01]: Thread deletion collects candidate image filenames before cascade for filesystem cleanup
- [Phase 02-01]: Resolution validates categoryId existence, falls back to Uncategorized (id=1)
### Pending Todos ### Pending Todos
@@ -83,6 +87,6 @@ None yet.
## Session Continuity ## Session Continuity
Last session: 2026-03-15T10:18:27.408Z Last session: 2026-03-15T10:39:24Z
Stopped at: Phase 2 context gathered Stopped at: Completed 02-01-PLAN.md
Resume file: .planning/phases/02-planning-threads/02-CONTEXT.md Resume file: .planning/phases/02-planning-threads/02-01-SUMMARY.md

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.planning/phases/02-planning-threads/02-01-SUMMARY.md Normal file
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@@ -0,0 +1,131 @@
---
phase: 02-planning-threads
plan: 01
subsystem: api
tags: [drizzle, hono, sqlite, tdd, threads, candidates, transactions]
requires:
- phase: 01-foundation-and-collection
provides: items table, item.service.ts DI pattern, test helper, Hono route pattern
provides:
- threads and threadCandidates database tables
- Thread service with full CRUD and transactional resolution
- Thread API routes at /api/threads with nested candidate endpoints
- Zod validation schemas for threads, candidates, and resolution
- Shared TypeScript types for Thread and ThreadCandidate
affects: [02-planning-threads, 03-setups-and-dashboard]
tech-stack:
added: []
patterns: [correlated SQL subqueries for aggregate metadata, transactional resolution pattern]
key-files:
created:
- src/server/services/thread.service.ts
- src/server/routes/threads.ts
- tests/services/thread.service.test.ts
- tests/routes/threads.test.ts
modified:
- src/db/schema.ts
- src/shared/schemas.ts
- src/shared/types.ts
- src/server/index.ts
- tests/helpers/db.ts
key-decisions:
- "Drizzle sql template literals use raw table.column references in correlated subqueries (not interpolated column objects)"
- "Thread deletion collects candidate image filenames before cascade delete for filesystem cleanup"
- "Resolution validates categoryId existence and falls back to Uncategorized (id=1)"
patterns-established:
- "Correlated subquery pattern: raw SQL references in Drizzle sql`` for aggregate columns (candidateCount, minPrice, maxPrice)"
- "Transaction pattern: resolveThread atomically creates item + archives thread in single db.transaction()"
- "Nested route pattern: candidates CRUD mounted under /api/threads/:id/candidates"
requirements-completed: [THRD-01, THRD-02, THRD-03, THRD-04]
duration: 5min
completed: 2026-03-15
---
# Phase 2 Plan 01: Thread Backend API Summary
**Thread and candidate CRUD API with transactional resolution that atomically creates collection items from winning candidates using Drizzle transactions**
## Performance
- **Duration:** 5 min
- **Started:** 2026-03-15T10:34:32Z
- **Completed:** 2026-03-15T10:39:24Z
- **Tasks:** 2
- **Files modified:** 9
## Accomplishments
- Full thread CRUD (create, read, update, delete) with cascading candidate cleanup
- Full candidate CRUD with all item-compatible fields (name, weight, price, category, notes, productUrl, image)
- Thread list returns aggregate metadata (candidateCount, minPriceCents, maxPriceCents) via correlated subqueries
- Transactional thread resolution: atomically creates collection item from candidate data and archives thread
- 33 tests (19 unit + 14 integration) all passing with zero regressions on existing 30 Phase 1 tests
## Task Commits
Each task was committed atomically (TDD: RED then GREEN):
1. **Task 1: Schema, shared schemas, test helper, and service layer**
- `e146eea` (test) - RED: failing tests for thread service
- `1a8b91e` (feat) - GREEN: implement thread service
2. **Task 2: Thread API routes with integration tests**
- `37c9999` (test) - RED: failing integration tests for thread routes
- `add3e33` (feat) - GREEN: implement thread routes and mount
## Files Created/Modified
- `src/db/schema.ts` - Added threads and threadCandidates table definitions
- `src/shared/schemas.ts` - Added Zod schemas for thread/candidate/resolve validation
- `src/shared/types.ts` - Added Thread, ThreadCandidate, and related input types
- `src/server/services/thread.service.ts` - Thread and candidate business logic with resolution transaction
- `src/server/routes/threads.ts` - Hono API routes for threads and candidates
- `src/server/index.ts` - Mounted threadRoutes at /api/threads
- `tests/helpers/db.ts` - Added threads and thread_candidates table creation
- `tests/services/thread.service.test.ts` - 19 unit tests for thread service
- `tests/routes/threads.test.ts` - 14 integration tests for thread API
## Decisions Made
- Used raw SQL table.column references in Drizzle `sql` template literals for correlated subqueries (interpolated column objects bind as parameters, not column references)
- Thread deletion collects candidate image filenames before cascade delete to enable filesystem cleanup
- Resolution validates categoryId existence and falls back to Uncategorized (id=1) to handle deleted categories
## Deviations from Plan
### Auto-fixed Issues
**1. [Rule 1 - Bug] Fixed correlated subquery column reference in getAllThreads**
- **Found during:** Task 1 (GREEN phase)
- **Issue:** Drizzle `sql` template literal with `${threads.id}` binds as a parameter value, not a SQL column reference, causing COUNT to return 1 instead of correct count
- **Fix:** Changed to raw SQL reference `threads.id` instead of interpolated `${threads.id}` in correlated subqueries
- **Files modified:** src/server/services/thread.service.ts
- **Verification:** candidateCount returns correct values in tests
- **Committed in:** 1a8b91e (Task 1 GREEN commit)
---
**Total deviations:** 1 auto-fixed (1 bug)
**Impact on plan:** Essential fix for correct aggregate metadata. No scope creep.
## Issues Encountered
None beyond the subquery fix documented above.
## User Setup Required
None - no external service configuration required.
## Next Phase Readiness
- Thread API fully operational, ready for frontend consumption in Plan 02
- All endpoints follow established Phase 1 patterns (DI, Hono context, Zod validation)
- Test infrastructure updated to support threads in all future tests
---
*Phase: 02-planning-threads*
*Completed: 2026-03-15*
## Self-Check: PASSED
All 8 files verified present. All 4 commit hashes verified in git log.