{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T15:04:07.227800+00:00","duration_seconds":3.360969,"id":1621989,"input_summary":"chars=773 node=66296","metadata":{"llm_candidates":[{"callsign":"VE7DFJ","confidence":0.78},{"callsign":"D7CN2","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=VE7DFJ,D7CN2","recording_id":160579,"started_at":"2026-07-12T15:04:03.866831+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":157427}