{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T14:39:59.307629+00:00","duration_seconds":1.979117,"id":1013828,"input_summary":"chars=1556 node=oldsys","metadata":{"llm_candidates":[{"callsign":"K7WFB","confidence":0.78},{"callsign":"K7WSD","confidence":0.78},{"callsign":"KV4P","confidence":0.78}]},"output_summary":"ai_candidates=3 merged=3 calls=K7WFB,K7WSD,KV4P","recording_id":29851,"started_at":"2026-06-28T14:39:57.328512+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":29852}