{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T20:15:10.228011+00:00","duration_seconds":8.128785,"id":1674593,"input_summary":"chars=614 node=683211","metadata":{"llm_candidates":[{"callsign":"V4YYL","confidence":0.78},{"callsign":"M7VUM","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=V4YYL,M7VUM","recording_id":164151,"started_at":"2026-07-13T20:15:02.099226+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":160788}