{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T05:25:07.180290+00:00","duration_seconds":2.557459,"id":594562,"input_summary":"chars=920 node=683211","metadata":{"llm_candidates":[{"callsign":"KJ7RAB","confidence":1.0},{"callsign":"K7UHR","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=4 calls=KJ7RAB,K7UHR","recording_id":125743,"started_at":"2026-06-27T05:25:04.622831+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":125743}