{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T22:19:03.229529+00:00","duration_seconds":1.435988,"id":1812694,"input_summary":"chars=707 node=683210","metadata":{"llm_candidates":[{"callsign":"GW8SZL","confidence":0.78},{"callsign":"K2HA","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=GW8SZL,K2HA","recording_id":173363,"started_at":"2026-07-17T22:19:01.793541+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":168871}