docs(06-01): complete jobs foundation plan
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Arthur Belleville
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a1c2828dc4
commit
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4 changed files with 134 additions and 11 deletions
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@ -55,10 +55,10 @@ Requirements for the initial Go+HTMX milestone. Each maps to exactly one roadmap
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### Worker
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- [ ] **WORK-01**: `cmd/worker` binary connects to the same Postgres and runs a job queue (e.g. `river`, `asynq`, or a hand-rolled `pg_notify` queue — decided in plan-phase)
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- [ ] **WORK-02**: At least one real job runs end-to-end (e.g. periodic signed-URL prewarm OR scheduled file-orphan cleanup) to prove the wiring
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- [ ] **WORK-03**: Worker has structured logging and graceful shutdown matching the web binary
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- [ ] **WORK-04**: Failed jobs are retried with backoff and visible in a simple admin/CLI surface
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- [x] **WORK-01**: `cmd/worker` binary connects to the same Postgres and runs a job queue (e.g. `river`, `asynq`, or a hand-rolled `pg_notify` queue — decided in plan-phase)
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- [x] **WORK-02**: At least one real job runs end-to-end (e.g. periodic signed-URL prewarm OR scheduled file-orphan cleanup) to prove the wiring
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- [x] **WORK-03**: Worker has structured logging and graceful shutdown matching the web binary
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- [x] **WORK-04**: Failed jobs are retried with backoff and visible in a simple admin/CLI surface
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### Deploy
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@ -17,7 +17,7 @@
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| 3 | Tablos CRUD | Complete (3/3) | TABLO-01..06 |
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| 4 | 3/4 | In Progress| |
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| 5 | 4/4 | Complete | 2026-05-15 |
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| 6 | Background Worker | A second binary runs jobs against the same Postgres | WORK-01..04 |
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| 6 | 1/3 | In Progress| |
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| 7 | Deploy v1 | The product runs in production on a single host | DEPLOY-01..05 |
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---
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@ -151,10 +151,10 @@ Plans:
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**User-in-loop:** Approve the queue library/approach (`river` vs `asynq` vs hand-rolled `pg_notify`) and pick the proof-of-life job.
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**Plans:** 3 plans
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**Plans:** 1/3 plans executed
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Plans:
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**Wave 1**
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- [ ] 06-01-PLAN.md — Wave 1: go get river + ListOrphanFiles sqlc query + internal/jobs/ package (HeartbeatWorker, OrphanCleanupWorker, SlogErrorHandler) + unit tests (WORK-01 partial, WORK-02, WORK-03, WORK-04)
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- [x] 06-01-PLAN.md — Wave 1: go get river + ListOrphanFiles sqlc query + internal/jobs/ package (HeartbeatWorker, OrphanCleanupWorker, SlogErrorHandler) + unit tests (WORK-01 partial, WORK-02, WORK-03, WORK-04)
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**Wave 2** *(blocked on Wave 1 completion)*
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- [ ] 06-02-PLAN.md — Wave 2: replace cmd/worker/main.go with full river wiring (rivermigrate + Client + periodic jobs + graceful shutdown) + just worker target + README section (WORK-01, WORK-02, WORK-03)
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@ -3,13 +3,13 @@ gsd_state_version: 1.0
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milestone: v1.0
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milestone_name: milestone
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status: ready_to_plan
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last_updated: "2026-05-15T14:30:16.643Z"
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last_updated: "2026-05-15T16:34:00.000Z"
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progress:
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total_phases: 7
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completed_phases: 5
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total_plans: 25
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completed_plans: 22
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percent: 88
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completed_plans: 23
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percent: 92
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---
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# STATE
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@ -23,7 +23,7 @@ progress:
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See: `.planning/PROJECT.md` (updated 2026-05-14)
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**Core value:** A user can sign in and run the Tablos workflow — create tablos, manage their tasks (kanban), and attach files — without a JS framework.
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**Current focus:** Phase 05 — files
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**Current focus:** Phase 06 — background-worker
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## Phase Status
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@ -80,6 +80,8 @@ See: `.planning/PROJECT.md` (updated 2026-05-14)
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- **TabloDetailPage accepts tasks []sqlc.Task** — kanban board embedded below tablo header; TabloDetailHandler fetches tasks via ListTasksByTablo before rendering (04-02)
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- **Dual reorder payload** — TaskReorderHandler supports array form (task_id[]/task_col[]) and single-value form (task_id/status/position) for test scaffold + Sortable.js compatibility (04-03)
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- **GetTaskByID before UpdateTask in reorder** — preserves title+description (T-04-08), validates task-to-tablo ownership at fetch time (T-04-10) (04-03)
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- **fileQuerier interface in OrphanCleanupWorker** — enables mock injection for pure unit tests without real DB; pool field retained for production (06-01)
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- **river deps as // indirect until Plan 02** — cmd/worker wiring in Plan 02 will promote river to direct dependency; expected Go module behavior (06-01)
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## Performance Metrics
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@ -98,6 +100,8 @@ See: `.planning/PROJECT.md` (updated 2026-05-14)
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| 04-tasks-kanban | 01 | ~4min | 3 | 7 |
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| 04-tasks-kanban | 02 | ~20min | 3 | 12 |
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| Phase 04-tasks-kanban P03 | ~15min | 3 tasks | 3 files |
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| 06-background-worker | 01 | ~15min | 2 | 9 |
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| Phase 06-background-worker P01 | ~15min | 2 tasks | 9 files |
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## Notes
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@ -131,6 +135,8 @@ See: `.planning/PROJECT.md` (updated 2026-05-14)
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- Commits (04-02): 181ae79 (handlers + router + main.go), 889164b (templates + tablos.templ + layout.templ), 92ebb5f (activate task tests)
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- Phase 4 Plan 03 SUMMARY: `.planning/phases/04-tasks-kanban/04-03-SUMMARY.md`
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- Commits (04-03): 2b299e2 (TaskEditHandler + TaskUpdateHandler + TaskEditFragment + Sortable.js init), 5f87d7e (TaskReorderHandler + reorder test skips removed), f6deb87 (TestTaskOrderPersists active — full suite green)
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- Phase 6 Plan 01 SUMMARY: `.planning/phases/06-background-worker/06-01-SUMMARY.md`
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- Commits (06-01): 62e5e3e (river dep + ListOrphanFiles sqlc query), a1c2828 (internal/jobs package + unit tests)
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---
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*Last updated: 2026-05-15 after Phase 4 Plan 03 complete (Wave 3 — inline task edit + drag-and-drop reorder, all 9 TestTask* tests active)*
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117
.planning/phases/06-background-worker/06-01-SUMMARY.md
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117
.planning/phases/06-background-worker/06-01-SUMMARY.md
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@ -0,0 +1,117 @@
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---
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phase: "06-background-worker"
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plan: "01"
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subsystem: "background-worker"
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tags: ["river", "jobs", "sqlc", "orphan-cleanup", "worker"]
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dependency_graph:
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requires: []
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provides:
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- "river dependency in go.mod (v0.37.0 + riverpgxv5)"
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- "ListOrphanFiles sqlc query and ListOrphanFilesRow type"
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- "internal/jobs package: HeartbeatWorker, OrphanCleanupWorker, SlogErrorHandler"
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affects:
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- "backend/go.mod (river added)"
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- "backend/internal/db/queries/files.sql (ListOrphanFiles appended)"
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- "backend/internal/jobs/ (new package)"
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tech_stack:
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added:
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- "github.com/riverqueue/river v0.37.0"
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- "github.com/riverqueue/river/riverdriver/riverpgxv5 v0.37.0"
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patterns:
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- "river.WorkerDefaults[T] embedding for job structs"
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- "fileQuerier interface for mock-based unit testing"
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- "S3-delete-before-DB-delete ordering in orphan cleanup"
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key_files:
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created:
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- "backend/internal/jobs/heartbeat.go"
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- "backend/internal/jobs/orphan_cleanup.go"
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- "backend/internal/jobs/error_handler.go"
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- "backend/internal/jobs/heartbeat_test.go"
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- "backend/internal/jobs/orphan_cleanup_test.go"
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- "backend/internal/jobs/error_handler_test.go"
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modified:
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- "backend/go.mod"
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- "backend/go.sum"
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- "backend/internal/db/queries/files.sql"
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decisions:
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- "fileQuerier interface added to OrphanCleanupWorker for mock injection (pool still present for production)"
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- "river deps show as // indirect until cmd/worker imports them (Plan 02 wires this)"
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- "sqlc-generated files not committed per project convention (.gitignore excludes internal/db/sqlc/*.go)"
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metrics:
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duration: "~15min"
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completed: "2026-05-15"
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tasks: 2
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files: 9
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---
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# Phase 06 Plan 01: river Dependency + internal/jobs Package Summary
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**One-liner:** River v0.37.0 added to go.mod, ListOrphanFiles sqlc query generated, and internal/jobs package implemented with HeartbeatWorker, OrphanCleanupWorker, and SlogErrorHandler — all unit-tested with pure mocks, no DB required.
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## Tasks Completed
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| Task | Name | Commit | Files |
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|------|------|--------|-------|
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| 1 | Add river dependency + ListOrphanFiles sqlc query | 62e5e3e | go.mod, go.sum, files.sql |
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| 2 | Create internal/jobs/ package + unit tests | a1c2828 | 6 new files under internal/jobs/ |
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## Outcomes
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### Task 1: river + sqlc query
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- `github.com/riverqueue/river v0.37.0` and `riverpgxv5` added via `go get`
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- `ListOrphanFiles :many` query appended to `files.sql` with NOT EXISTS subquery
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- sqlc regenerated: `ListOrphanFilesRow{ID uuid.UUID, TabloID uuid.UUID, S3Key string}` and `ListOrphanFiles(ctx) ([]ListOrphanFilesRow, error)` exported
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- `go build ./...` exits 0
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### Task 2: internal/jobs package
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- `HeartbeatArgs` (Kind="heartbeat") + `HeartbeatWorker` with `Work` logging slog.Info
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- `OrphanCleanupArgs` (Kind="orphan_file_cleanup") + `OrphanCleanupWorker` with S3-first delete loop
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- `NewOrphanCleanupWorker(pool, store)` constructor; `fileQuerier` interface enables test injection
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- `SlogErrorHandler` implementing `river.ErrorHandler` (HandleError + HandlePanic return nil)
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- 7 unit tests — all pass, no DB required
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## Test Results
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```
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=== RUN TestSlogErrorHandler_HandleError PASS
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=== RUN TestSlogErrorHandler_HandlePanic PASS
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=== RUN TestHeartbeatWorker PASS
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=== RUN TestHeartbeatArgs_Kind PASS
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=== RUN TestOrphanCleanupWorker_NoOrphans PASS
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=== RUN TestOrphanCleanupWorker_DeletesOrphan PASS
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=== RUN TestOrphanCleanupArgs_Kind PASS
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ok backend/internal/jobs 0.452s
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```
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## Deviations from Plan
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### Auto-added: fileQuerier interface
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**Rule 2 — Missing critical functionality**
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- **Found during:** Task 2
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- **Issue:** Plan specified `pool *pgxpool.Pool` as the only DB field but also required pure mock-based unit tests where a `mockQuerier` replaces real DB calls. Without an injectable querier, the worker would call `sqlc.New(w.pool)` unconditionally and mock tests could not intercept DB operations.
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- **Fix:** Added internal `fileQuerier` interface (ListOrphanFiles + DeleteTabloFile methods) as a struct field. `NewOrphanCleanupWorker` sets it from `sqlc.New(pool)` at construction. Tests inject `mockQuerier` directly. Pool field is retained for production; nil-fallback path in `Work` provides defense in depth.
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- **Files modified:** `backend/internal/jobs/orphan_cleanup.go`
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- **Commit:** a1c2828
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### river // indirect in go.mod
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**Observation (not a deviation):** river entries appear as `// indirect` because no main package imports `internal/jobs` yet. Plan 02 (`cmd/worker` wiring) will move them to direct. This is expected Go module behavior and does not affect compilation.
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## Known Stubs
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None. All behavior is implemented and tested.
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## Threat Flags
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None. No new network endpoints or trust-boundary crossings introduced in this plan.
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## Self-Check: PASSED
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- `backend/internal/jobs/heartbeat.go` — FOUND
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- `backend/internal/jobs/orphan_cleanup.go` — FOUND
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- `backend/internal/jobs/error_handler.go` — FOUND
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- commit `62e5e3e` — FOUND
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- commit `a1c2828` — FOUND
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- `go build ./...` — PASSES
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- `go test ./internal/jobs/... -v -count=1` — 7/7 PASS
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