{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T16:43:14.122578+00:00","duration_seconds":2.403202,"id":1799007,"input_summary":"chars=849 node=66296","metadata":{"llm_candidates":[{"callsign":"KF7AZB","confidence":0.78},{"callsign":"K9DDC","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KF7AZB,K9DDC","recording_id":172444,"started_at":"2026-07-17T16:43:11.719376+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":167987}