{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T14:37:58.567307+00:00","duration_seconds":0.777332,"id":1660104,"input_summary":"chars=657 node=683211","metadata":{"llm_candidates":[{"callsign":"K7DAR","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K7DAR","recording_id":163149,"started_at":"2026-07-13T14:37:57.789975+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":159861}