{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T06:23:59.842779+00:00","duration_seconds":1.499644,"id":600378,"input_summary":"chars=316 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0},{"callsign":"W8A","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=KK7NQN,W8A","recording_id":74543,"started_at":"2026-06-27T06:23:58.343135+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":74544}