Give the Lao keyboard choice a Lao desktop layout

The row used la-latin1, kbd's Latin American Spanish keymap, so Lao
installs typed Spanish. There is no Lao console keymap; like Korean, the
console stays US and the desktop gets la, which Omarchy keeps behind US
as a non-Latin layout.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

test/shell.d/hyprland-keyboard-layout-test.sh

@@ -148,6 +148,8 @@ sddm_layouts=$(sed -n '/^local non_latin_layouts =/,+1p' "$sddm_lua" | grep -o '
 pass "greeter non-latin layout list stays in sync with the initramfs hook"
 
 TEST_INPUT_PREFERENCE=$'INPUT_METHOD=hangul\n XKB_LAYOUT="kr" # desktop only\n' assert_input "Korean selection overrides its installer US layout" "[kr] [] [$base_options]" $'XKBLAYOUT=us\n'
+TEST_INPUT_PREFERENCE=$'INPUT_METHOD=none\nXKB_LAYOUT=la\n' assert_input "Lao selection gets Lao behind US on the desktop" "[us,la] [,] [$toggle_options]" $'XKBLAYOUT=us\n'
+TEST_INPUT_PREFERENCE=$'INPUT_METHOD=none\nXKB_LAYOUT=xx\n' assert_input "an unknown desktop override is ignored" "[us] [] [$base_options]" $'XKBLAYOUT=us\n'
 TEST_INPUT_PREFERENCE=$'INPUT_METHOD=hangul\nXKB_LAYOUT=kr\n' assert_input "a later US variant overrides the Korean preference" "[us] [intl] [$base_options]" $'XKBLAYOUT=us\nXKBVARIANT=intl\n'
 TEST_INPUT_PREFERENCE=$'INPUT_METHOD=hangul\nXKB_LAYOUT=kr\n' assert_input "a later layout overrides the Korean preference" "[de] [nodeadkeys] [$base_options]" $'XKBLAYOUT=de\nXKBVARIANT=nodeadkeys\n'
 

test/shell.d/input-method-checks.py

@@ -117,6 +117,10 @@ class InputMethodTest(unittest.TestCase):
     setup.defaults(self.config, fresh=False)
     self.assertEqual(path.read_text(), "[Behavior]\nActiveByDefault=True\n")
 
+  def test_lao_preference_keeps_a_latin_fcitx_keyboard(self):
+    self.preference.write_text("INPUT_METHOD=none\nXKB_LAYOUT=la\n")
+    self.assertEqual(setup.selection(), ("none", "us"))
+
   def test_korean_preference_yields_to_a_later_keyboard_change(self):
     self.preference.write_text("INPUT_METHOD=hangul\nXKB_LAYOUT=kr\n")
     self.assertEqual(setup.selection(), ("hangul", "kr"))

test/shell.d/setup-form-test.sh

@@ -135,7 +135,7 @@ assert_status 0 "keyboard prompt succeeds"
 grep -qF -- '--selected English (US)' "$GUM_ARGS" || fail "keyboard prompt preselects English (US)"
 pass "keyboard prompt maps the chosen label to its keymap"
 
-for selection in 'Japanese|jp106|mozc|' 'Japanese (US keyboard)|us|mozc|' 'Korean|us|hangul|kr' 'Chinese (Simplified, Pinyin)|us|pinyin|' 'Chinese (Traditional, Zhuyin)|us|chewing|'; do
+for selection in 'Japanese|jp106|mozc|' 'Japanese (US keyboard)|us|mozc|' 'Korean|us|hangul|kr' 'Lao|us|none|la' 'Chinese (Simplified, Pinyin)|us|pinyin|' 'Chinese (Traditional, Zhuyin)|us|chewing|'; do
   IFS='|' read -r label keymap method layout <<< "$selection"
   run_prompt omarchy_prompt_keyboard "0:$label"
   assert_status 0 "$label can be selected at install"