{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T10:17:46.985534+00:00","duration_seconds":0.478399,"id":970748,"input_summary":"chars=24 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KV7PVW","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KV7PVW","recording_id":34373,"started_at":"2026-06-28T10:17:46.507135+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":34374}