{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T19:57:46.601324+00:00","duration_seconds":2.501334,"id":1632046,"input_summary":"chars=753 node=66296","metadata":{"llm_candidates":[{"callsign":"K9MLR","confidence":0.78},{"callsign":"KF6KT","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K9MLR,KF6KT","recording_id":161258,"started_at":"2026-07-12T19:57:44.099990+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":158077}