feat: refine admin UI and add EAS release workflow

.github/workflows/eas-build.yml

@@ -0,0 +1,50 @@
+name: EAS Build
+
+on:
+  workflow_dispatch:
+    inputs:
+      profile:
+        description: EAS build profile
+        required: true
+        default: preview
+        type: choice
+        options:
+          - preview
+          - production
+      platform:
+        description: Target platform
+        required: true
+        default: android
+        type: choice
+        options:
+          - android
+          - ios
+          - all
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: npm
+
+      - name: Setup Expo and EAS
+        uses: expo/expo-github-action@v8
+        with:
+          eas-version: latest
+          token: ${{ secrets.EXPO_TOKEN }}
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Trigger EAS build
+        run: npx eas build --non-interactive --profile "${{ inputs.profile }}" --platform "${{ inputs.platform }}"