{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T14:38:50.246321+00:00","duration_seconds":1.332668,"id":1660229,"input_summary":"chars=785 node=683211","metadata":{"llm_candidates":[{"callsign":"KC2PK2","confidence":0.78},{"callsign":"KC2PKT","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KC2PK2,KC2PKT","recording_id":163166,"started_at":"2026-07-13T14:38:48.913653+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":159878}