{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T12:25:09.529688+00:00","duration_seconds":1.330313,"id":1559781,"input_summary":"chars=650 node=683210","metadata":{"llm_candidates":[{"callsign":"WB1DXN","confidence":0.78},{"callsign":"W2RBC","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=WB1DXN,W2RBC","recording_id":156304,"started_at":"2026-07-10T12:25:08.199375+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":153563}