{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T01:47:54.830588+00:00","duration_seconds":0.532697,"id":1615498,"input_summary":"chars=42 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KK7A1","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7A1","recording_id":160177,"started_at":"2026-07-12T01:47:54.297891+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":157057}