{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T10:17:17.456841+00:00","duration_seconds":0.443189,"id":970666,"input_summary":"chars=55 node=oldsys","metadata":{"llm_candidates":[{"callsign":"AV7DW","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=AV7DW","recording_id":28858,"started_at":"2026-06-28T10:17:17.013652+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":28859}