logiguard fork v3: full patch set on verified 8c74db0 tree

Includes prior-session patches (carry forward so the app compiles):
  - crates/gpui/build.rs: cross-compile manifest fix
  - crates/gpui/src/platform.rs: PlatformWindow::activate_with_token trait method
  - crates/gpui/src/window.rs: Window::activate_with_token public API
  - crates/gpui_linux/src/linux/wayland/window.rs: WaylandWindow::activate_with_token + activate() keyboard-serial fix

Plus the focus-serial fix:
  - serial.rs: SerialKind::KeyboardEnter
  - client.rs: store wl_keyboard.enter serial; latest_serial_of()

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

crates/gpui/examples/gif_viewer.rs

@@ -0,0 +1,56 @@
+#![cfg_attr(target_family = "wasm", no_main)]
+
+use gpui::{App, Context, Render, Window, WindowOptions, div, img, prelude::*};
+use gpui_platform::application;
+use std::path::PathBuf;
+
+struct GifViewer {
+    gif_path: PathBuf,
+}
+
+impl GifViewer {
+    fn new(gif_path: PathBuf) -> Self {
+        Self { gif_path }
+    }
+}
+
+impl Render for GifViewer {
+    fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
+        div().size_full().child(
+            img(self.gif_path.clone())
+                .size_full()
+                .object_fit(gpui::ObjectFit::Contain)
+                .id("gif"),
+        )
+    }
+}
+
+fn run_example() {
+    application().run(|cx: &mut App| {
+        let gif_path =
+            PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("examples/image/black-cat-typing.gif");
+
+        cx.open_window(
+            WindowOptions {
+                focus: true,
+                ..Default::default()
+            },
+            |_, cx| cx.new(|_| GifViewer::new(gif_path)),
+        )
+        .unwrap();
+        cx.activate(true);
+    });
+}
+
+#[cfg(not(target_family = "wasm"))]
+fn main() {
+    env_logger::init();
+    run_example();
+}
+
+#[cfg(target_family = "wasm")]
+#[wasm_bindgen::prelude::wasm_bindgen(start)]
+pub fn start() {
+    gpui_platform::web_init();
+    run_example();
+}