{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-05T15:24:20.719735+00:00","duration_seconds":4.694102,"id":1399069,"input_summary":"chars=96 node=683210","metadata":{"llm_candidates":[{"callsign":"KC1UGK","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KC1UGK","recording_id":145248,"started_at":"2026-07-05T15:24:16.025633+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":143542}