{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T01:55:39.629379+00:00","duration_seconds":0.928519,"id":1639472,"input_summary":"chars=234 node=683210","metadata":{"llm_candidates":[{"callsign":"N4LRK","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=N4LRK","recording_id":161773,"started_at":"2026-07-13T01:55:38.700860+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":158568}