Write, rewrite, and optimize prompts for GPT-5.2 with a focus on fast, reliable behavior using non-reasoning / reasoning_effort: none (low deliberation) settings. Use when asked to draft system/developer prompts, refactor bloated prompts, tighten constraints (verbosity/output schema/scope), reduce overthinking/tool spam, migrate prompts to GPT-5.2, or create eval-ready prompt variants for production agents.