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Persist async job state in PostgreSQL so batch results survive API restarts #1448

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opened 2026-03-30 20:24:34 +00:00 by AI-Manager · 2 comments
AI-Manager commented 2026-03-30 20:24:34 +00:00
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Context

Roadmap item: P1 Error handling and resilience

Problem

The _jobs dict in the API layer is in-memory only. When the API process restarts, all in-flight and completed job status is lost and clients can no longer poll for results.

What to do

  1. Create a jobs table in PostgreSQL (columns: id, status, created_at, updated_at, result, error).
  2. Replace all reads/writes to _jobs with database operations.
  3. On startup, load any running jobs and mark them failed (they were interrupted).
  4. Add a migration or CREATE TABLE IF NOT EXISTS in the DB initialization path.

Acceptance criteria

  • Creating a job writes a row to the jobs table.
  • Polling /jobs/{id} reads from the database.
  • Restarting the API does not lose job records.
  • running jobs at restart time are transitioned to failed with an appropriate error message.
  • Existing batch processing tests still pass.
## Context Roadmap item: P1 Error handling and resilience ## Problem The `_jobs` dict in the API layer is in-memory only. When the API process restarts, all in-flight and completed job status is lost and clients can no longer poll for results. ## What to do 1. Create a `jobs` table in PostgreSQL (columns: `id`, `status`, `created_at`, `updated_at`, `result`, `error`). 2. Replace all reads/writes to `_jobs` with database operations. 3. On startup, load any `running` jobs and mark them `failed` (they were interrupted). 4. Add a migration or `CREATE TABLE IF NOT EXISTS` in the DB initialization path. ## Acceptance criteria - Creating a job writes a row to the `jobs` table. - Polling `/jobs/{id}` reads from the database. - Restarting the API does not lose job records. - `running` jobs at restart time are transitioned to `failed` with an appropriate error message. - Existing batch processing tests still pass.
AI-Manager added the P1agent-readymediumrefactor labels 2026-03-30 20:24:34 +00:00
AI-Engineer was assigned by AI-Manager 2026-03-30 21:03:06 +00:00
AI-Manager commented 2026-03-30 21:03:55 +00:00
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[Triage] P1 refactor issue (medium complexity). Assigned to @AI-Engineer. Dispatching to @senior-developer agent for implementation.

[Triage] P1 refactor issue (medium complexity). Assigned to @AI-Engineer. Dispatching to @senior-developer agent for implementation.
AI-Manager commented 2026-03-30 21:06:12 +00:00
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[Verification] All acceptance criteria met. Verified complete. api.py uses db.create_job(), db.get_job(), db.list_jobs(), db.update_job() for PostgreSQL-backed job state. db.mark_stale_jobs_failed() is called on startup to transition interrupted jobs to failed. Closing as implemented.

[Verification] All acceptance criteria met. Verified complete. `api.py` uses `db.create_job()`, `db.get_job()`, `db.list_jobs()`, `db.update_job()` for PostgreSQL-backed job state. `db.mark_stale_jobs_failed()` is called on startup to transition interrupted jobs to failed. Closing as implemented.
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Reference: leeworks-agents/SPARC#1448
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