compiled and working sidebar in ratatui

client/src/state/state.rs

@@ -2,11 +2,21 @@
 
 use std::env;
 
+#[derive(Default)]
+pub struct UiState {
+    pub show_sidebar: bool,
+    // Add other UI-related states here
+}
+
 pub struct AppState {
+    // Core editor state
     pub is_saved: bool,
     pub current_dir: String,
     pub total_count: u64,
     pub current_position: u64,
+
+    // UI preferences
+    pub ui: UiState,
 }
 
 impl AppState {
@@ -19,9 +29,11 @@ impl AppState {
             current_dir,
             total_count: 0,
             current_position: 0,
+            ui: UiState::default(),
         })
     }
 
+    // Existing methods remain unchanged
     pub fn update_total_count(&mut self, total_count: u64) {
         self.total_count = total_count;
     }