{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-05T11:40:50.680099+00:00","duration_seconds":1.706838,"id":1393794,"input_summary":"chars=960 node=683211","metadata":{"llm_candidates":[{"callsign":"KB0MS","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KB0MS","recording_id":144880,"started_at":"2026-07-05T11:40:48.973261+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":143200}