The trap with design prompts is asking for the finished thing. Ask for options instead, then bring your taste to the edit.
Start with the smallest version
Treat the first output as a draft, not a verdict. The prompt does the typing; you keep the judgment about what ships.
Make the output reviewable
Lock the parts that never change and leave one slot for the variable. Now every run shares a family resemblance instead of starting from scratch.
Treat the first output as a draft, not a verdict. The prompt does the typing; you keep the judgment about what ships.