{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-29T10:47:39.363992+00:00","duration_seconds":0.4767,"id":1194221,"input_summary":"chars=160 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KX2CW","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KX2CW","recording_id":6205,"started_at":"2026-06-29T10:47:38.887292+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":6206}