{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-01T14:07:54.412139+00:00","duration_seconds":2.277635,"id":1264573,"input_summary":"chars=73 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"NA7HR","confidence":0.78},{"callsign":"KF7M","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=NA7HR,KF7M","recording_id":135617,"started_at":"2026-07-01T14:07:52.134504+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":134828}