{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T10:17:28.778397+00:00","duration_seconds":0.603725,"id":970699,"input_summary":"chars=382 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK7ZJO","confidence":0.78},{"callsign":"KI7BR","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=5 calls=KK7ZJO,KI7BR","recording_id":28854,"started_at":"2026-06-28T10:17:28.174672+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":28855}