fix: add wayland dev headers and scanner for pywayland build on NixOS

packages/scripts/test-python-env.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+echo "🧪 Testing dots-hyprland Python environment..."
+
+VENV_PATH="$HOME/.local/state/quickshell/.venv"
+
+if [[ ! -d "$VENV_PATH" ]]; then
+  echo "❌ Virtual environment not found at $VENV_PATH"
+  echo "💡 Run: home-manager switch"
+  exit 1
+fi
+
+source "$VENV_PATH/bin/activate"
+python -c "
+import sys
+print(f'✅ Python {sys.version}')
+
+try:
+    import material_color_utilities
+    print('✅ material-color-utilities')
+except ImportError:
+    print('❌ material-color-utilities')
+
+try:
+    import materialyoucolor
+    print('✅ materialyoucolor')
+except ImportError:
+    print('❌ materialyoucolor')
+
+try:
+    import pywayland
+    print('✅ pywayland')
+except ImportError:
+    print('❌ pywayland')
+"
+deactivate