{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T18:55:50.322152+00:00","duration_seconds":0.974899,"id":1630734,"input_summary":"chars=645 node=683211","metadata":{"llm_candidates":[{"callsign":"B4AQU","confidence":0.78},{"callsign":"K7ADV","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=B4AQU,K7ADV","recording_id":161159,"started_at":"2026-07-12T18:55:49.347253+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":157991}