{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-08T14:50:52.116961+00:00","duration_seconds":1.561051,"id":1503579,"input_summary":"chars=872 node=683211","metadata":{"llm_candidates":[{"callsign":"KF7ADV","confidence":0.78},{"callsign":"VL1UKZ","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KF7ADV,VL1UKZ","recording_id":152529,"started_at":"2026-07-08T14:50:50.555910+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":150085}