{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T19:40:51.234378+00:00","duration_seconds":2.692094,"id":1838575,"input_summary":"chars=540 node=66296","metadata":{"llm_candidates":[{"callsign":"K9BDC","confidence":0.78},{"callsign":"W0XO","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=K9BDC,W0XO","recording_id":175147,"started_at":"2026-07-18T19:40:48.542284+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170441}