{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-17T15:42:12.347737+00:00","duration_seconds":2.082834,"id":2660756,"input_summary":"chars=507 node=683210","metadata":{"llm_candidates":[{"callsign":"KB6CU","confidence":0.78},{"callsign":"W6EK","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KB6CU,W6EK","recording_id":248037,"started_at":"2026-08-17T15:42:10.264903+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":235696}