{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-11T20:11:48.350390+00:00","duration_seconds":3.252826,"id":1612230,"input_summary":"chars=376 node=683211","metadata":{"llm_candidates":[{"callsign":"KG70DB","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=3 calls=KG70DB","recording_id":160009,"started_at":"2026-07-11T20:11:45.097564+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":156927}