fix(updates): address review feedback

Wake the UI when a manual check is queued from a menu callback; the update prompt owns the keyboard while it is open (LightCraft); Download opens through the desktop URL hook (FilmCraft); the Help menu dispatches through menus::invoke (FigCraft); print jobs and comment drafts hold an install back (WordCraft); Check for Updates is a registered command (GridCraft); an install holds back while documents are unsaved.

crates/ui-egui/src/lib.rs

@@ -2127,7 +2127,7 @@ impl LightcraftApp {
         // Recent-library checks and launch-list keys read focus/time/keys: they belong to the UI
         // phase, not the hidden-capable `logic` tick (plan §4.5 / migration input contract).
         panels::library_problem::logic(self, ctx);
-        if self.fonts_ready {
+        if self.fonts_ready && !updates_ui::blocks_input(self) {
             shortcuts::handle(self, ctx);
         }
     }

crates/ui-egui/src/updates_ui.rs

@@ -15,6 +15,9 @@ pub(crate) struct Runtime {
     startup_check: bool,
     #[cfg(not(target_arch = "wasm32"))]
     check_requested: bool,
+    /// The context of the last frame, to wake the UI when a check is queued from a menu callback.
+    #[cfg(not(target_arch = "wasm32"))]
+    repaint: Option<egui::Context>,
     pub(crate) manual_window_open: bool,
     pub(crate) status_message: Option<String>,
 }
@@ -28,6 +31,8 @@ impl Default for Runtime {
             startup_check: false,
             #[cfg(not(target_arch = "wasm32"))]
             check_requested: false,
+            #[cfg(not(target_arch = "wasm32"))]
+            repaint: None,
             manual_window_open: false,
             status_message: None,
         }
@@ -42,10 +47,26 @@ impl LightcraftApp {
     }
 }
 
+/// The update prompt owns the keyboard while it is open: shortcuts must not reach the library behind it.
+pub(crate) fn blocks_input(app: &LightcraftApp) -> bool {
+    #[cfg(not(target_arch = "wasm32"))]
+    {
+        app.updates_rt.updater.prompt_open()
+    }
+    #[cfg(target_arch = "wasm32")]
+    {
+        let _ = app;
+        false
+    }
+}
+
 pub(crate) fn check(app: &mut LightcraftApp) -> Result<Value, String> {
     #[cfg(not(target_arch = "wasm32"))]
     {
         app.updates_rt.check_requested = true;
+        if let Some(ctx) = &app.updates_rt.repaint {
+            ctx.request_repaint();
+        }
         Ok(Value::Null)
     }
     #[cfg(target_arch = "wasm32")]
@@ -60,6 +81,7 @@ pub(crate) fn tick(app: &mut LightcraftApp, ctx: &egui::Context) {
     #[cfg(not(target_arch = "wasm32"))]
     {
         let rt = &mut app.updates_rt;
+        rt.repaint = Some(ctx.clone());
         if std::mem::take(&mut rt.check_requested) {
             rt.updater.check_now(ctx);
         } else if rt.startup_check {