{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-08T19:39:37.080554+00:00","duration_seconds":2.854104,"id":1512973,"input_summary":"chars=171 node=66296","metadata":{"llm_candidates":[{"callsign":"WQ7H","confidence":0.78},{"callsign":"C7H","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=WQ7H,C7H","recording_id":153176,"started_at":"2026-07-08T19:39:34.226450+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":150680}