{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T18:42:15.431610+00:00","duration_seconds":0.778535,"id":1046653,"input_summary":"chars=4537 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KB9NSK","confidence":0.78},{"callsign":"AA4H0","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KB9NSK,AA4H0","recording_id":20790,"started_at":"2026-06-28T18:42:14.653075+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":20791}