{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T16:50:40.403653+00:00","duration_seconds":13.388991,"id":1834098,"input_summary":"chars=791 node=66296","metadata":{"llm_candidates":[{"callsign":"K7KDF","confidence":0.78},{"callsign":"KI7R","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K7KDF,KI7R","recording_id":174832,"started_at":"2026-07-18T16:50:27.014662+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170158}