{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T22:19:14.956522+00:00","duration_seconds":17.306003,"id":1812703,"input_summary":"chars=746 node=683210","metadata":{"llm_candidates":[{"callsign":"K28A","confidence":0.78},{"callsign":"GW8F","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K28A,GW8F","recording_id":173362,"started_at":"2026-07-17T22:18:57.650519+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":168870}