Page-scoped state management for Nex applications.

Provides simple key-value storage isolated by page view, similar to React/Vue state - refresh the page and state is gone.

Usage

# In a Page module
def mount(_params) do
  %{title: "Todos", todos: Nex.Store.get(:todos, [])}
end

def create_todo(%{"text" => text}) do
  todo = %{id: unique_id(), text: text, completed: false}
  Nex.Store.update(:todos, [], &[todo | &1])
  # ...
end

State is tied to a _page_id that is generated on first page render. HTMX requests carry this _page_id to maintain state within the same page view. Refreshing the page generates a new _page_id, effectively clearing state.

TTL & Cleanup

Each page's state has a TTL (default 1 hour). After TTL expires, state is automatically cleaned up to prevent memory leaks.