{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T01:43:16.588251+00:00","duration_seconds":4.033211,"id":1412972,"input_summary":"chars=147 node=683211","metadata":{"llm_candidates":[{"callsign":"R4XC","confidence":0.78},{"callsign":"M4HD","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=R4XC,M4HD","recording_id":146183,"started_at":"2026-07-06T01:43:12.555040+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":144409}