{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T07:30:29.973461+00:00","duration_seconds":1.368226,"id":1617003,"input_summary":"chars=740 node=66296","metadata":{"llm_candidates":[{"callsign":"KI7RMU","confidence":0.78},{"callsign":"KW7DTM","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KI7RMU,KW7DTM","recording_id":160281,"started_at":"2026-07-12T07:30:28.605235+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":157143}