fix(ui): restore utf-8 encoding and remove mojibake in select output

.github/workflows/text-encoding.yml

@@ -0,0 +1,19 @@
+name: Text Encoding
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+      - master
+
+jobs:
+  utf8:
+    runs-on: ubuntu-latest
+    env:
+      LANG: C.UTF-8
+      LC_ALL: C.UTF-8
+    steps:
+      - uses: actions/checkout@v4
+      - name: Check mojibake and UTF-8 encoding
+        run: bash .github/scripts/check-text-encoding.sh