Define the target user and the outcome they need. Identify the input they provide, the output they expect, and a concrete way to judge success before choosing tools or writing code.

No. Models can handle generation tasks, while ordinary application code handles validation, permissions, saved records, and workflow state. Use a model where its capabilities serve the user's goal.

Generation can fail or produce an unsuitable result. Planning progress, errors, review, and recovery early helps you build a usable workflow instead of a demonstration that only handles successful requests.