{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T10:12:34.931597+00:00","duration_seconds":2.224869,"id":625917,"input_summary":"chars=436 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0},{"callsign":"K9CFQ","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=3 calls=KK7NQN,K9CFQ","recording_id":71436,"started_at":"2026-06-27T10:12:32.706728+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":71437}