{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-02T16:02:28.404371+00:00","duration_seconds":1.040235,"id":1297016,"input_summary":"chars=812 node=683210","metadata":{"llm_candidates":[{"callsign":"K6H","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=K6H","recording_id":138116,"started_at":"2026-07-02T16:02:27.364136+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":136994}