{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T11:58:47.903175+00:00","duration_seconds":4.997474,"id":218521,"input_summary":"chars=548 node=683210","metadata":{"llm_candidates":[{"callsign":"K5GXB","confidence":1.0},{"callsign":"K7NQN","confidence":0.55}]},"output_summary":"ai_candidates=2 merged=3 calls=K5GXB,K7NQN","recording_id":120965,"started_at":"2026-06-24T11:58:42.905701+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":120966}