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>

script/get-crate-version

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+set -eu
+
+if [[ $# -ne 1 ]]; then
+  echo "Usage: $0 <crate_name>" >&2
+  exit 1
+fi
+
+CRATE_NAME=$1
+
+cargo metadata \
+    --no-deps \
+    --format-version=1 \
+    | jq \
+        --raw-output \
+        ".packages[] | select(.name == \"${CRATE_NAME}\") | .version"