{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T22:03:59.445327+00:00","duration_seconds":0.757343,"id":1635348,"input_summary":"chars=217 node=683210","metadata":{"llm_candidates":[{"callsign":"K1NYC","confidence":0.78},{"callsign":"K1AK","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K1NYC,K1AK","recording_id":161448,"started_at":"2026-07-12T22:03:58.687984+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":158266}