diff --git a/test/acceptance.d/input-methods-test.sh b/test/acceptance.d/input-methods-test.sh
index c147e894..e0504b12 100644
--- a/test/acceptance.d/input-methods-test.sh
+++ b/test/acceptance.d/input-methods-test.sh
@@ -5,6 +5,19 @@
 set -euo pipefail
 source "$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)/base-test.sh"
 
+selection=$(omarchy-input-method status)
+initial_method=$(jq -r .installed_method <<< "$selection")
+initial_layout=$(jq -r .layout <<< "$selection")
+group=$(fcitx5-remote -q)
+initial_info=$(busctl --user --json=short call org.fcitx.Fcitx5 /controller org.fcitx.Fcitx.Controller1 InputMethodGroupInfo s "$group")
+jq -e --arg layout "$initial_layout" '.data[0] == $layout' <<< "$initial_info" >/dev/null ||
+  fail "installed keyboard layout reaches Fcitx"
+if [[ $initial_method != "none" ]]; then
+  jq -e --arg method "$initial_method" '.data[1] | any(.[0] == $method)' <<< "$initial_info" >/dev/null ||
+    fail "installer-selected engine is ready before live setup"
+fi
+pass "installer input selection reaches the first desktop session"
+
 work=$(mktemp -d)
 config_home=${XDG_CONFIG_HOME:-$HOME/.config}
 data_home=${XDG_DATA_HOME:-$HOME/.local/share}
@@ -17,6 +30,7 @@ done
 
 cleanup() {
   close_windows '^org\.omarchy\.ime-test$'
+  close_windows '^org\.omarchy\.ime-test-gtk$|^org\.qt-project\.qml$|^chrome-.*_omarchy-ime-entry\.html-Default$'
   systemctl --user stop omarchy-fcitx5.service
   for (( i = 0; i < ${#paths[@]}; i++ )); do
     rm -rf "${paths[i]}"
@@ -39,6 +53,65 @@ sleep 1
 SH
 chmod +x "$work/reader"
 
+cat > "$work/entry.py" <<'PY'
+import gi
+gi.require_version("Gtk", "4.0")
+from gi.repository import Gtk
+
+app = Gtk.Application(application_id="org.omarchy.ime-test-gtk")
+def activate(app):
+  window = Gtk.ApplicationWindow(application=app, title="GTK input test")
+  window.set_default_size(600, 160)
+  entry = Gtk.Entry()
+  window.set_child(entry)
+  window.present()
+  entry.grab_focus()
+app.connect("activate", activate)
+app.run()
+PY
+
+cat > "$work/entry.qml" <<'QML'
+import QtQuick
+import QtQuick.Controls
+ApplicationWindow {
+  visible: true
+  width: 600
+  height: 160
+  title: "Qt input test"
+  TextField {
+    anchors.fill: parent
+    focus: true
+  }
+}
+QML
+
+cat > "$work/omarchy-ime-entry.html" <<'HTML'
+<!doctype html><meta charset="utf-8"><title>Browser input test</title>
+<input autofocus style="font-size:32px;width:90%" aria-label="Input test">
+HTML
+
+compose() {
+  fcitx5-remote -s "$method"
+  fcitx5-remote -c
+  wtype -M ctrl -M shift -k space -m shift -m ctrl
+  case "$method" in
+    mozc) wtype "nihongo"; wtype -k space ;;
+    hangul) wtype "gksrmf" ;;
+    pinyin) wtype "nihao"; wtype -k space ;;
+    chewing) wtype "su3cl3" ;;
+  esac
+  sleep 1
+}
+
+verify_text() {
+  case "$method" in
+    mozc) grep -Fxq "日本語" "$work/result" || fail "$1 commits Japanese" ;;
+    hangul) grep -Fxq "한글" "$work/result" || fail "$1 commits Korean" ;;
+    *) python -c 'import pathlib,sys; assert any("\u4e00" <= c <= "\u9fff" for c in pathlib.Path(sys.argv[1]).read_text())' "$work/result" || fail "$1 commits Han characters" ;;
+  esac
+  pass "$1 commits composed text"
+}
+
 installed=()
 for method in mozc hangul pinyin chewing; do
   omarchy-setup-input "$method" > "$ARTIFACTS/setup-input-$method.log" 2>&1 ||
@@ -56,28 +129,37 @@ for method in mozc hangul pinyin chewing; do
   launch_app "foot --app-id=org.omarchy.ime-test $work/reader $work/result"
   wait_until "$method test terminal opens" 15 window_present '^org\.omarchy\.ime-test$'
   [[ $(fcitx5-remote) == "1" ]] || fail "$method setup starts in Latin mode"
-  fcitx5-remote -s "$method"
-  fcitx5-remote -c
-  wtype -M ctrl -M shift -k space -m shift -m ctrl
-  case "$method" in
-    mozc) wtype "nihongo"; wtype -k space ;;
-    hangul) wtype "gksrmf" ;;
-    pinyin) wtype "nihao"; wtype -k space ;;
-    chewing) wtype "su3cl3" ;;
-  esac
-  sleep 1
+  compose
   screenshot "success-input-$method-composition"
   wtype -k Return
   sleep 0.3
   wtype -k Return
   wait_until "$method commits text" 15 test -s "$work/result"
-  case "$method" in
-    mozc) grep -Fxq "日本語" "$work/result" || fail "Mozc commits Japanese" ;;
-    hangul) grep -Fxq "한글" "$work/result" || fail "Hangul commits Korean" ;;
-    *) python -c 'import pathlib,sys; assert any("\u4e00" <= c <= "\u9fff" for c in pathlib.Path(sys.argv[1]).read_text())' "$work/result" || fail "$method commits Han characters" ;;
-  esac
-  pass "$method commits composed text"
+  verify_text "$method terminal"
   fcitx5-remote -c
   close_windows '^org\.omarchy\.ime-test$'
   rm -f "$work/result"
+
+  for toolkit in gtk qt browser; do
+    case "$toolkit" in
+      gtk) command="python $work/entry.py"; class='^org\.omarchy\.ime-test-gtk$' ;;
+      qt) command="qml6 $work/entry.qml"; class='^org\.qt-project\.qml$' ;;
+      browser) command="chromium --user-data-dir=$work/chromium --no-first-run --app=file://$work/omarchy-ime-entry.html"; class='^chrome-.*_omarchy-ime-entry\.html-Default$' ;;
+    esac
+    launch_app "uwsm app -- $command"
+    wait_until "$method $toolkit opens" 30 window_present "$class"
+    sleep 1
+    compose
+    screenshot "success-input-$method-$toolkit-composition"
+    wtype -k Return
+    fcitx5-remote -c
+    wl-copy --clear
+    wtype -M ctrl -k a -k c -m ctrl
+    sleep 0.3
+    wl-paste --no-newline > "$work/result" || fail "$method $toolkit copies committed text"
+    verify_text "$method $toolkit"
+    screenshot "success-input-$method-$toolkit-committed"
+    close_windows "$class"
+    wait_until "$toolkit closes" 15 window_absent "$class"
+  done
 done