{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-08T18:22:35.395402+00:00","duration_seconds":2.145435,"id":1511304,"input_summary":"chars=457 node=683210","metadata":{"llm_candidates":[{"callsign":"K6KL","confidence":0.78},{"callsign":"G1TV","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K6KL,G1TV","recording_id":153066,"started_at":"2026-07-08T18:22:33.249967+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":150571}