{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-04T21:34:48.958754+00:00","duration_seconds":0.643578,"id":1379882,"input_summary":"chars=51 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KM7A","confidence":0.78},{"callsign":"K7L","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KM7A,K7L","recording_id":143954,"started_at":"2026-07-04T21:34:48.315176+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":142339}