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/install-rustup.ps1

@@ -0,0 +1,39 @@
+# Checks if cargo is in the user's path or in default install path
+# If not, download with rustup-installer (which respects CARGO_HOME / RUSTUP_HOME)
+
+# Like 'set -e' in bash
+$ErrorActionPreference = "Stop"
+
+$cargoHome = if ($env:CARGO_HOME) { $env:CARGO_HOME } else { "$env:USERPROFILE\.cargo" }
+$rustupPath = "$cargoHome\bin\rustup.exe"
+$cargoPath = "$cargoHome\bin\cargo.exe"
+
+# Check if cargo is already available in path
+if (Get-Command cargo -ErrorAction SilentlyContinue)
+{
+    cargo --version
+    exit
+}
+# Check if rustup and cargo are available in CARGO_HOME
+elseif (-not ((Test-Path $rustupPath) -and (Test-Path $cargoPath))) {
+    Write-Output "Rustup or Cargo not found in $cargoHome, installing..."
+
+    $tempDir = [System.IO.Path]::GetTempPath()
+
+    # Download and install rustup
+    $RustupInitPath = "$tempDir\rustup-init.exe"
+    Write-Output "Downloading rustup installer..."
+    Invoke-WebRequest `
+        -OutFile $RustupInitPath `
+        -Uri https://static.rust-lang.org/rustup/dist/i686-pc-windows-gnu/rustup-init.exe
+
+    Write-Output "Installing rustup..."
+    & $RustupInitPath -y --default-toolchain none
+    Remove-Item -Force $RustupInitPath
+
+    Write-Output "Rust installation complete."
+    # This is necessary
+}
+
+& $rustupPath --version
+& $cargoPath --version