{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T08:20:53.773730+00:00","duration_seconds":1.830946,"id":950954,"input_summary":"chars=116 node=oldsys","metadata":{"llm_candidates":[{"callsign":"K7NQV","confidence":0.78},{"callsign":"K7NQW","confidence":0.78},{"callsign":"K7NQK","confidence":0.78},{"callsign":"K7NQN","confidence":0.78}]},"output_summary":"ai_candidates=4 merged=4 calls=K7NQV,K7NQW,K7NQK,K7NQN","recording_id":36935,"started_at":"2026-06-28T08:20:51.942784+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":36936}