{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-19T17:15:35.089435+00:00","duration_seconds":2.351812,"id":2712114,"input_summary":"chars=587 node=66296","metadata":{"llm_candidates":[{"callsign":"K722R","confidence":0.78},{"callsign":"KX2C","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=K722R,KX2C","recording_id":253789,"started_at":"2026-08-19T17:15:32.737623+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":240821}