{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T22:07:22.632456+00:00","duration_seconds":1.093446,"id":412946,"input_summary":"chars=381 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KV7PBW","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=1 calls=KV7PBW","recording_id":92985,"started_at":"2026-06-25T22:07:21.539010+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":92986}