{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-07T03:22:42.819063+00:00","duration_seconds":0.538134,"id":1454696,"input_summary":"chars=783 node=66296","metadata":{"llm_candidates":[{"callsign":"K7PTZ","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K7PTZ","recording_id":149098,"started_at":"2026-07-07T03:22:42.280929+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":147034}