{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T21:20:37.221890+00:00","duration_seconds":0.64628,"id":1579824,"input_summary":"chars=1018 node=683210","metadata":{"llm_candidates":[{"callsign":"GF0UUB","confidence":0.78},{"callsign":"KP0WMA","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=GF0UUB,KP0WMA","recording_id":157705,"started_at":"2026-07-10T21:20:36.575610+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":154842}