{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-11T14:49:51.184994+00:00","duration_seconds":3.685753,"id":1598429,"input_summary":"chars=260 node=683211","metadata":{"llm_candidates":[{"callsign":"KC7YFE","confidence":0.78},{"callsign":"N5XCX","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=KC7YFE,N5XCX","recording_id":158973,"started_at":"2026-07-11T14:49:47.499241+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":155999}