Agent callbacks

curl -X POST https://api-dev.rcintell.com/v1/agents/code-research \
  -H "X-API-Key: kp_test_..." \
  -H "Content-Type: application/json" \
  -d '{
    "query": "CPT for total knee arthroplasty?",
    "ccn": "170001",
    "callback_url": "https://your-app.com/webhooks/rci-agent",
    "callback_secret": "whsec_your_shared_secret"
  }'

{
  "id": "evt_550e8400e29b41d4a716446655440000",
  "type": "agent.job.completed",
  "created_at": "2026-08-27T18:00:00Z",
  "job_id": "550e8400-e29b-41d4-a716-446655440000",
  "status": "completed",
  "agent_type": "code_research",
  "result": {},
  "error": null,
  "latency_ms": 4120.5
}

import hmac, hashlib

def verify(payload: bytes, signature: str, secret: str) -> bool:
    expected = "sha256=" + hmac.new(secret.encode(), payload, hashlib.sha256).hexdigest()
    return hmac.compare_digest(expected, signature)