intro is now separated

client/src/pages/intro/logic.rs

@@ -0,0 +1,30 @@
+// src/tui/functions/intro.rs
+use crate::state::app::state::AppState;
+use crate::buffer::state::{AppView, BufferState};
+
+/// Handles intro screen selection by updating view history and managing focus state.
+/// 0: Continue (restores last form or default)
+/// 1: Admin view
+/// 2: Login view
+/// 3: Register view (with focus reset)
+pub fn handle_intro_selection(
+    app_state: &mut AppState,
+    buffer_state: &mut BufferState,
+    index: usize,
+) {
+    let target_view = match index {
+        0 => AppView::Form,
+        1 => AppView::Admin,
+        2 => AppView::Login,
+        3 => AppView::Register,
+        _ => return,
+    };
+
+    buffer_state.update_history(target_view);
+    
+    // Register view requires focus reset
+    if index == 3 {
+        app_state.ui.focus_outside_canvas = false;
+        app_state.focused_button_index = 0;
+    }
+}