shortcuts actually (de)serialize

src/app.rs

@@ -104,7 +104,14 @@ impl Default for MantleApp {
 impl MantleApp {
     pub fn new(cc: &eframe::CreationContext<'_>) -> Self {
         if let Some(storage) = cc.storage {
-            return eframe::get_value(storage, eframe::APP_KEY).unwrap_or_default();
+            let mut app =
+                eframe::get_value::<MantleApp>(storage, eframe::APP_KEY).unwrap_or_default();
+            for shortcut in app.settings.custom_shortcuts.clone() {
+                if let Err(e) = app.shortcut_manager.add_action(shortcut.clone()) {
+                    log::error!("Failed to add shortcut action: {}", e);
+                }
+            }
+            return app;
         }
         Default::default()
     }

src/shortcut.rs

@@ -61,7 +61,7 @@ impl Display for KeyboardShortcut {
     }
 }
 
-#[derive(Clone, Serialize, Deserialize)]
+#[derive(Clone, Serialize, Deserialize, Debug)]
 pub struct KeyboardShortcutAction {
     pub shortcut: KeyboardShortcut,
     pub action: UserAction,
@@ -105,6 +105,15 @@ impl ShortcutManager {
         }
     }
 
+    pub fn add_action<'a>(
+        &'a mut self,
+        action: KeyboardShortcutAction,
+    ) -> Result<(), Box<dyn std::error::Error + 'a>> {
+        let mut shortcuts = self.shortcuts.lock()?;
+        shortcuts.push(action);
+        Ok(())
+    }
+
     pub fn add_shortcut(
         &self,
         name: String,