{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T14:53:50.526077+00:00","duration_seconds":2.822869,"id":1621835,"input_summary":"chars=696 node=683210","metadata":{"llm_candidates":[{"callsign":"KB6LUV","confidence":0.78},{"callsign":"KB3HA","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KB6LUV,KB3HA","recording_id":160566,"started_at":"2026-07-12T14:53:47.703208+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":157417}