{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T02:31:49.062734+00:00","duration_seconds":3.430158,"id":297902,"input_summary":"chars=634 node=66296","metadata":{"llm_candidates":[{"callsign":"KJ7EXM","confidence":1.0},{"callsign":"K7NQN","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=KJ7EXM,K7NQN","recording_id":4675,"started_at":"2026-06-25T02:31:45.632576+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":4672}