{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T04:30:26.087879+00:00","duration_seconds":4.176779,"id":187461,"input_summary":"chars=540 node=683211","metadata":{"llm_candidates":[{"callsign":"K7NQN","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=4 calls=K7NQN","recording_id":120718,"started_at":"2026-06-24T04:30:21.911100+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":120719}