{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T12:21:12.605181+00:00","duration_seconds":3.281873,"id":664147,"input_summary":"chars=1458 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KB7ABN","confidence":1.0},{"callsign":"KB7MLR","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=4 calls=KB7ABN,KB7MLR","recording_id":66788,"started_at":"2026-06-27T12:21:09.323308+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":66789}