Keep the host's region out of the sudo boundary sandboxes

test/shell.d/fixtures/sudo-boundary-test.sh

@@ -32,6 +32,9 @@ PY
 copy_boundary_file bin/omarchy-security-functions
 copy_boundary_file bin/omarchy-update-pacman
 copy_boundary_file default/omarchy/sudo-no-update/sudo
+# The host's own region must not leak into the sandbox.
+printf '#!/bin/bash\necho Global\n' >"$SUDO_TEST_ROOT/bin/omarchy-region"
+chmod +x "$SUDO_TEST_ROOT/bin/omarchy-region"
 
 cat >"$SUDO_TEST_ROOT/mock/sudo" <<'STUB'
 #!/bin/bash