{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T11:51:38.768594+00:00","duration_seconds":2.920388,"id":1558405,"input_summary":"chars=591 node=683210","metadata":{"llm_candidates":[{"callsign":"W2BLT","confidence":0.78},{"callsign":"K4HBT","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=W2BLT,K4HBT","recording_id":156207,"started_at":"2026-07-10T11:51:35.848206+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":153466}