{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T12:25:44.257909+00:00","duration_seconds":0.64949,"id":1788993,"input_summary":"chars=501 node=683210","metadata":{"llm_candidates":[{"callsign":"W5WLH","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=W5WLH","recording_id":171678,"started_at":"2026-07-17T12:25:43.608419+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":167330}