{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T05:21:51.570762+00:00","duration_seconds":1.396909,"id":1422624,"input_summary":"chars=861 node=683211","metadata":{"llm_candidates":[{"callsign":"K7WFB","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K7WFB","recording_id":146898,"started_at":"2026-07-06T05:21:50.173853+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":145086}