{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T13:41:23.055113+00:00","duration_seconds":1.7221,"id":1431351,"input_summary":"chars=557 node=683211","metadata":{"llm_candidates":[{"callsign":"KB0MAI","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KB0MAI","recording_id":147399,"started_at":"2026-07-06T13:41:21.333013+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":145560}