{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T02:32:03.450056+00:00","duration_seconds":2.781605,"id":297927,"input_summary":"chars=499 node=683211","metadata":{"llm_candidates":[{"callsign":"K7NQN","confidence":1.0},{"callsign":"K7C5","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=3 calls=K7NQN,K7C5","recording_id":4671,"started_at":"2026-06-25T02:32:00.668451+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":4668}