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/proto/build.rs

@@ -0,0 +1,10 @@
+fn main() {
+    println!("cargo:rerun-if-changed=proto");
+    let mut build = prost_build::Config::new();
+    build
+        .type_attribute(".", "#[derive(serde::Serialize, serde::Deserialize)]")
+        .type_attribute("ProjectPath", "#[derive(Hash, Eq)]")
+        .type_attribute("Anchor", "#[derive(Hash, Eq)]")
+        .compile_protos(&["proto/zed.proto"], &["proto"])
+        .unwrap();
+}