{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-04T21:34:48.339420+00:00","duration_seconds":2.876894,"id":1379880,"input_summary":"chars=51 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"K7LET","confidence":0.78},{"callsign":"KM7A","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=K7LET,KM7A","recording_id":143954,"started_at":"2026-07-04T21:34:45.462526+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":142339}