{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T18:19:27.680869+00:00","duration_seconds":1.781047,"id":247731,"input_summary":"chars=505 node=683210","metadata":{"llm_candidates":[{"callsign":"KN9W","confidence":1.0},{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=2 merged=2 calls=KN9W,KK7NQN","recording_id":105257,"started_at":"2026-06-24T18:19:25.899822+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":105257}