{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-30T18:20:59.620213+00:00","duration_seconds":12.890701,"id":1242037,"input_summary":"chars=615 node=683210","metadata":{"llm_candidates":[{"callsign":"W4RTH","confidence":0.78},{"callsign":"W4RT8","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=W4RTH,W4RT8","recording_id":133912,"started_at":"2026-06-30T18:20:46.729512+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":133332}