{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T05:25:05.014790+00:00","duration_seconds":2.346227,"id":316499,"input_summary":"chars=414 node=683211","metadata":{"llm_candidates":[{"callsign":"K7CB","confidence":1.0},{"callsign":"JJ7NQN","confidence":0.55}]},"output_summary":"ai_candidates=2 merged=3 calls=K7CB,JJ7NQN","recording_id":2745,"started_at":"2026-06-25T05:25:02.668563+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":2745}