{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T12:27:37.305228+00:00","duration_seconds":4.370116,"id":1428912,"input_summary":"chars=561 node=683210","metadata":{"llm_candidates":[{"callsign":"W2RBC","confidence":0.78},{"callsign":"K2AP","confidence":0.78},{"callsign":"W4Q","confidence":0.78}]},"output_summary":"ai_candidates=3 merged=4 calls=W2RBC,K2AP,W4Q","recording_id":147225,"started_at":"2026-07-06T12:27:32.935112+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":145403}