{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T15:41:43.608861+00:00","duration_seconds":1.14226,"id":1831439,"input_summary":"chars=680 node=683211","metadata":{"llm_candidates":[{"callsign":"KM7CGJ","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KM7CGJ","recording_id":174658,"started_at":"2026-07-18T15:41:42.466601+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169994}