{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T22:21:57.772285+00:00","duration_seconds":2.41165,"id":1812872,"input_summary":"chars=323 node=683210","metadata":{"llm_candidates":[{"callsign":"GM0UBE","confidence":0.78},{"callsign":"KR4NFO","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=GM0UBE,KR4NFO","recording_id":173376,"started_at":"2026-07-17T22:21:55.360635+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":168884}