{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-09T14:46:11.851575+00:00","duration_seconds":0.618958,"id":1531447,"input_summary":"chars=94 node=66296","metadata":{"llm_candidates":[{"callsign":"KG7C2","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KG7C2","recording_id":154436,"started_at":"2026-07-09T14:46:11.232617+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":151813}