精简若干功能，优化slug生成规则

.github/workflows/deploy.yml

@@ -49,6 +49,12 @@ jobs:
       continue-on-error: true
       run: node scripts/optimize_images.js
 
+    - name: Fetch AI Greetings
+      continue-on-error: true
+      env:
+        RSS_API_TOKEN: ${{ secrets.RSS_API_TOKEN }}
+      run: node scripts/fetch_greetings.js
+
     - name: Commit Optimized Images
       continue-on-error: true
       run: |