{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T22:20:12.178402+00:00","duration_seconds":0.620729,"id":1812766,"input_summary":"chars=121 node=683210","metadata":{"llm_candidates":[{"callsign":"K5RLR","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K5RLR","recording_id":173368,"started_at":"2026-07-17T22:20:11.557673+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":168876}