HIGHLIGHT MODE

client/src/modes/handlers/mode_manager.rs

@@ -7,6 +7,7 @@ pub enum AppMode {
     General,   // For intro and admin screens
     ReadOnly,  // Canvas read-only mode
     Edit,      // Canvas edit mode
+    Highlight, // Cnavas highlight/visual mode
     Command,   // Command mode overlay
 }
 
@@ -19,6 +20,10 @@ impl ModeManager {
             return AppMode::Command;
         }
 
+        if event_handler.is_highlight_mode {
+            return AppMode::Highlight;
+        }
+
         if app_state.ui.focus_outside_canvas {
             return AppMode::General;
         }
@@ -50,6 +55,10 @@ impl ModeManager {
     }
     
     pub fn can_enter_read_only_mode(current_mode: AppMode) -> bool {
-        matches!(current_mode, AppMode::Edit | AppMode::Command)
+        matches!(current_mode, AppMode::Edit | AppMode::Command | AppMode::Highlight)
+    }
+
+    pub fn can_enter_highlight_mode(current_mode: AppMode) -> bool {
+        matches!(current_mode, AppMode::ReadOnly)
     }
 }