{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T23:36:22.188229+00:00","duration_seconds":0.65646,"id":879022,"input_summary":"chars=40 node=oldsys","metadata":{"llm_candidates":[{"callsign":"L4B4F","confidence":0.78},{"callsign":"K4N4","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=L4B4F,K4N4","recording_id":44268,"started_at":"2026-06-27T23:36:21.531769+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":44269}