{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T22:52:24.323776+00:00","duration_seconds":0.686857,"id":1635780,"input_summary":"chars=627 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"K7AOM","confidence":0.78},{"callsign":"AK7A","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K7AOM,AK7A","recording_id":161478,"started_at":"2026-07-12T22:52:23.636919+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":158293}