{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-11T01:38:19.296999+00:00","duration_seconds":1.443745,"id":1588872,"input_summary":"chars=544 node=683210","metadata":{"llm_candidates":[{"callsign":"K6PA","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K6PA","recording_id":158291,"started_at":"2026-07-11T01:38:17.853254+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":155403}