{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T17:03:38.708111+00:00","duration_seconds":1.296223,"id":1570353,"input_summary":"chars=645 node=683210","metadata":{"llm_candidates":[{"callsign":"KH7WM","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KH7WM","recording_id":157096,"started_at":"2026-07-10T17:03:37.411888+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":154264}