{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T07:24:27.152580+00:00","duration_seconds":2.294363,"id":1616902,"input_summary":"chars=16 node=66296","metadata":{"llm_candidates":[{"callsign":"K7SBI","confidence":0.78},{"callsign":"KL70U","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K7SBI,KL70U","recording_id":160275,"started_at":"2026-07-12T07:24:24.858217+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":157137}