# Hook Guidelines

> Hook conventions for this frontend.

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## Decision

There are no React, Vue, or hook-based frontend conventions in this project.
The established frontend approach is JSP/CSS rendered by Servlets on Tomcat.

Do not introduce React hooks, Vue composables, SPA lifecycle hooks, client-side
state hooks, or hook-style data fetching unless the developer explicitly changes
the stack later.

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## JSP Alternative

For reusable presentation behavior, use JSP includes/fragments, tag files if
introduced, request attributes, session attributes for authenticated identity,
and small page scripts only when server-rendered JSP cannot handle the
interaction cleanly.

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## Future Updates

If a JavaScript framework is explicitly introduced later, replace this file
with concrete conventions from the new source code and update the frontend
index status at the same time.