{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T01:40:50.689387+00:00","duration_seconds":2.702225,"id":177509,"input_summary":"chars=743 node=683211","metadata":{"llm_candidates":[{"callsign":"KF7ZB","confidence":1.0},{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=2 merged=3 calls=KF7ZB,KK7NQN","recording_id":112109,"started_at":"2026-06-24T01:40:47.987162+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":112109}