{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-02T18:45:31.213165+00:00","duration_seconds":0.820719,"id":1302557,"input_summary":"chars=602 node=683210","metadata":{"llm_candidates":[{"callsign":"K6GRL","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=K6GRL","recording_id":138491,"started_at":"2026-07-02T18:45:30.392446+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":137356}