test: cover native Wayland Hangul in isolated CI (#19174)

* test: exercise native Wayland Hangul in isolated CI session

* test: wait for nested compositor socket before selecting IBus

* test: align Wayland IBus discovery with GNOME environment filtering

* test: assert Wayland launch and register native Hangul evidence

.github/workflows/terminal-ime-e2e.yml

@@ -70,3 +70,40 @@ jobs:
           path: test-results/
           retention-days: 7
           if-no-files-found: ignore
+
+  linux-wayland:
+    name: Linux Wayland Hangul terminating digit
+    runs-on: ubuntu-22.04
+    timeout-minutes: 25
+    steps:
+      - uses: actions/checkout@v6
+        with:
+          persist-credentials: false
+      - name: Install native build, nested compositor and IME tools
+        run: >-
+          sudo apt-get update && sudo apt-get install -y
+          build-essential python3 fonts-noto-cjk dbus-x11 dconf-gsettings-backend
+          ibus ibus-hangul gnome-shell gnome-settings-daemon libglib2.0-bin
+          xdotool xvfb x11-utils imagemagick
+      - uses: ./.github/actions/install-node-dependencies
+        with:
+          native-runtime: electron
+      - name: Build Electron app for E2E
+        env:
+          VITE_EXPOSE_STORE: 'true'
+        run: |
+          pnpm run build:relay
+          pnpm exec electron-vite build --mode e2e
+          pnpm run build:web-from-renderer
+      - name: Run native Wayland Hangul terminating digit
+        env:
+          SKIP_BUILD: '1'
+        run: node config/scripts/run-terminal-ibus-hangul-e2e.mjs --nested-wayland
+      - name: Upload Wayland terminal IME evidence
+        if: always()
+        uses: actions/upload-artifact@v7
+        with:
+          name: terminal-wayland-ime-evidence
+          path: test-results/
+          retention-days: 7
+          if-no-files-found: error