{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T22:09:10.448734+00:00","duration_seconds":0.784841,"id":1678794,"input_summary":"chars=299 node=683210","metadata":{"llm_candidates":[{"callsign":"WU7N","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=WU7N","recording_id":164411,"started_at":"2026-07-13T22:09:09.663893+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":161024}