{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T22:34:29.317919+00:00","duration_seconds":0.952776,"id":415524,"input_summary":"chars=677 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KJ7UW","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=2 calls=KJ7UW","recording_id":100134,"started_at":"2026-06-25T22:34:28.365143+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":100135}