Drop Frequency and Presence Penalties on New GPT Models

According to 2026 prompt engineering guidelines, frequency_penalty and presence_penalty are legacy knobs that are almost never needed on frontier models; if output is repetitive, fix the prompt rather than distorting token sampling.

API Config: temperature=0.2, frequency_penalty=0.0, presence_penalty=0.0 Prompt: Write a 4-part system administration guide where each section covers a distinct lifecycle stage (Provisioning, Hardening, Monitoring, Decommissioning) without repeating commands across sections.