{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-05T18:39:01.281554+00:00","duration_seconds":3.231939,"id":1405773,"input_summary":"chars=595 node=683211","metadata":{"llm_candidates":[{"callsign":"K6IND","confidence":0.78},{"callsign":"K6IE","confidence":0.78},{"callsign":"K6IT","confidence":0.78}]},"output_summary":"ai_candidates=3 merged=4 calls=K6IND,K6IE,K6IT","recording_id":145725,"started_at":"2026-07-05T18:38:58.049615+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":143995}