{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T02:12:14.656262+00:00","duration_seconds":0.605167,"id":1414244,"input_summary":"chars=192 node=683211","metadata":{"llm_candidates":[{"callsign":"WH4MI","confidence":0.78},{"callsign":"W4MA","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=WH4MI,W4MA","recording_id":146291,"started_at":"2026-07-06T02:12:14.051095+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":144506}