feat: initialize window ID on startup and batch keyboard subscription with additional event handling

hcie-iced-app/crates/hcie-iced-gui/src/app.rs

@@ -468,7 +468,13 @@ impl HcieIcedApp {
         }
 
         app.initialized = true;
-        let init_task = Task::none();
+        let init_task = iced::window::get_oldest().map(|opt_id| {
+            if let Some(id) = opt_id {
+                Message::WindowId(id)
+            } else {
+                Message::NoOp
+            }
+        });
         (app, init_task)
     }
 
@@ -1817,7 +1823,7 @@ impl HcieIcedApp {
     /// - Ctrl+V: Paste
     /// - Escape: Close dialog
     pub fn subscription(&self) -> iced::Subscription<Message> {
-        iced::keyboard::on_key_press(|key, modifiers| {
+        let keyboard = iced::keyboard::on_key_press(|key, modifiers| {
             let ctrl = modifiers.control() || modifiers.logo();
             let shift = modifiers.shift();
 
@@ -1863,6 +1869,8 @@ impl HcieIcedApp {
                 }
                 _ => None,
             }
-        })
+        });
+
+        iced::Subscription::batch(vec![keyboard])
     }
 }