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Get Started Free →Claim tasks, record step progress, and verify SOP gates in the colony SQLite queue. Applies when your spawn message includes a db_path field.
| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-04 | ✗→✓ | ▲ Improved | 120% | 0% |
| case-05 | ✗→✓ | ▲ Improved | 198% | 0% |
| case-11 | ✗→✓ | ▲ Improved | 107% | 0% |
| case-07 | ✗→✓ | ▲ Improved | 30% | 0% |
| case-08 | ✗→✓ | ▲ Improved | 81% | 0% |
Applies when your spawn message has db_path: and colony_id: fields. The DB is your durable working memory — tells you what's done, what to skip, which SOP gates you owe.
Access via terminal_exec running sqlite3 "<db_path>" "...". Tables: tasks (queue), steps (per-task decomposition), sop_checklist (hard gates).
If your spawn message includes a task_id: field, the queen pre-assigned a specific row to you. Claim that row by id — do not use the generic next-pending pattern below:
bashsqlite3 "<db_path>" <<'SQL' UPDATE tasks SET status='claimed', worker_id='<worker-id>', claim_token=lower(hex(randomblob(8))), claimed_at=datetime('now'), updated_at=datetime('now') WHERE id='<task_id>' AND status='pending' RETURNING id, goal, payload; SQL
Empty output → another worker raced you or the row is already done. Stop and report. Non-empty → that row is yours, proceed to "Load the plan".
If your spawn message did NOT include task_id: — you are a generic fan-out worker racing on a shared queue. Use the generic next-pending claim:
bashsqlite3 "<db_path>" <<'SQL' UPDATE tasks SET status='claimed', worker_id='<worker-id>', claim_token=lower(hex(randomblob(8))), claimed_at=datetime('now'), updated_at=datetime('now') WHERE id=(SELECT id FROM tasks WHERE status='pending' ORDER BY priority DESC, seq, created_at LIMIT 1) RETURNING id, goal, payload; SQL
Empty output → queue drained, exit. Otherwise the returned id is yours. Never SELECT-then-UPDATE — races.
bashsqlite3 "<db_path>" "SELECT seq, id, title, status FROM steps WHERE task_id='<task-id>' ORDER BY seq;" sqlite3 "<db_path>" "SELECT key, description, required, done_at FROM sop_checklist WHERE task_id='<task-id>';"
Skip any step where status='done'. That's the point — don't redo completed work.
Before tool calls:
bashsqlite3 "<db_path>" "UPDATE steps SET status='in_progress', worker_id='<worker-id>', started_at=datetime('now') WHERE id='<step-id>';"
After success (one-line evidence: path, URL, key result):
bashsqlite3 "<db_path>" "UPDATE steps SET status='done', evidence='<what you did>', completed_at=datetime('now') WHERE id='<step-id>';"
bashsqlite3 "<db_path>" "SELECT key, description FROM sop_checklist WHERE task_id='<task-id>' AND required=1 AND done_at IS NULL;"
bashsqlite3 "<db_path>" "UPDATE sop_checklist SET done_at=datetime('now'), done_by='<worker-id>', note='<why>' WHERE task_id='<task-id>' AND key='<key>';"
Never mark a task done while this SELECT returns rows. This gate exists specifically to stop you from declaring success while skipping required steps.
bash# Success: sqlite3 "<db_path>" "UPDATE tasks SET status='done', completed_at=datetime('now'), updated_at=datetime('now') WHERE id='<task-id>' AND worker_id='<worker-id>';" # Unrecoverable failure: sqlite3 "<db_path>" "UPDATE tasks SET status='failed', last_error='<one sentence>', completed_at=datetime('now'), updated_at=datetime('now') WHERE id='<task-id>' AND worker_id='<worker-id>';"
The AND worker_id=? guard means a reclaimed row won't accept your write — treat zero rows affected as "your claim was revoked, stop."
After done/failed → claim the next task. Exit only when claim returns empty.
busy_timeout=5000 handles most contention silently.SELECT status, count(*) FROM tasks GROUP BY status;SELECT id, goal, status FROM tasks WHERE worker_id='<worker-id>';failed for audit.Other measured skills in the registry, with their headline benchmark lift.