{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T06:15:55.428657+00:00","duration_seconds":1.47651,"id":1649914,"input_summary":"chars=214 node=66296","metadata":{"llm_candidates":[{"callsign":"AV6MB","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=3 calls=AV6MB","recording_id":162512,"started_at":"2026-07-13T06:15:53.952147+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":159266}