Error codes
| Code | Meaning |
|---|---|
policy_denied | Caps, allowlist, or mode failed |
mandate_required | Missing/invalid AP2 mandate |
signer_required | Session signer not enabled / not configured |
agent_paused | Agent paused or revoked |
agents_disabled | Global kill switch |
idempotency_required | Missing Idempotency-Key |
idempotency_conflict | Key reused with different body |
missing_scope | API key lacks required scope |