some more fixes

src-tauri/src/lib.rs

@@ -40,6 +40,9 @@ fn build_menu<R: Runtime>(handle: &tauri::AppHandle<R>) -> tauri::Result<Menu<R>
     let find = MenuItemBuilder::with_id("find", "Find…")
         .accelerator("CmdOrCtrl+F")
         .build(handle)?;
+    let keyboard_shortcuts = MenuItemBuilder::with_id("keyboard-shortcuts", "Keyboard Shortcuts…")
+        .accelerator("CmdOrCtrl+Shift+/")
+        .build(handle)?;
     let report_issue =
         MenuItemBuilder::with_id("report-issue", "Report an Issue…").build(handle)?;
 
@@ -88,6 +91,11 @@ fn build_menu<R: Runtime>(handle: &tauri::AppHandle<R>) -> tauri::Result<Menu<R>
         edit.append_items(&[&PredefinedMenuItem::separator(handle)?, &find])?;
     }
 
+    let shortcuts = SubmenuBuilder::new(handle, "Shortcuts")
+        .item(&keyboard_shortcuts)
+        .build()?;
+    menu.append(&shortcuts)?;
+
     if let Some(help) = find_submenu("Help") {
         help.append_items(&[&report_issue])?;
     }
@@ -151,6 +159,7 @@ pub fn run() {
     #[cfg_attr(mobile, allow(unused_mut))]
     let mut builder = tauri::Builder::default()
         .plugin(tauri_plugin_opener::init())
+        .plugin(tauri_plugin_clipboard_manager::init())
         .plugin(tauri_plugin_dialog::init());
 
     #[cfg(desktop)]
@@ -188,6 +197,7 @@ pub fn run() {
                         | "next-chapter"
                         | "prev-chapter"
                         | "report-issue"
+                        | "keyboard-shortcuts"
                 ) {
                     app.emit("menu-action", event.id().0.as_str()).ok();
                 }

src-tauri/src/library.rs

@@ -60,7 +60,7 @@ pub(crate) fn library_dir(app: &tauri::AppHandle) -> Result<PathBuf, String> {
 
 fn book_path(app: &tauri::AppHandle, id: &str) -> Result<PathBuf, String> {
     if id.is_empty() || !id.chars().all(|c| c.is_ascii_alphanumeric() || c == '-' || c == '_') {
-        return Err("invalid book id".to_string());
+        return Err("invalid project id".to_string());
     }
     Ok(library_dir(app)?.join(format!("{id}.margin")))
 }