{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T01:21:51.008635+00:00","duration_seconds":2.431156,"id":1310673,"input_summary":"chars=65 node=683210","metadata":{"llm_candidates":[{"callsign":"K4CUB","confidence":0.78},{"callsign":"KL7FR","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K4CUB,KL7FR","recording_id":139051,"started_at":"2026-07-03T01:21:48.577479+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":137888}