fix(dev): handle /app ownership in init script

- Adjust ownership when possible
- Warn on insufficient permissions

Author: Lcwei-0708

frontend/init-dev.sh

@@ -1,4 +1,12 @@
 #!/bin/sh
 npm install
 npm run generate-sitemap
+
+if [ -w /app ]; then
+    chown -R 1000:1000 /app
+    echo "Changed ownership of /app to UID 1000"
+else
+    echo "Warning: Cannot change ownership - insufficient permissions or /app is not writable"
+fi
+
 npm run dev