{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T20:20:18.424892+00:00","duration_seconds":1.667872,"id":546582,"input_summary":"chars=1882 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KB0MAI","confidence":1.0},{"callsign":"K7NQN","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=KB0MAI,K7NQN","recording_id":79360,"started_at":"2026-06-26T20:20:16.757020+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":79361}