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/extension_api/wit/since_v0.6.0/common.wit

@@ -0,0 +1,12 @@
+interface common {
+    /// A (half-open) range (`[start, end)`).
+    record range {
+        /// The start of the range (inclusive).
+        start: u32,
+        /// The end of the range (exclusive).
+        end: u32,
+    }
+
+    /// A list of environment variables.
+    type env-vars = list<tuple<string, string>>;
+}