Enhance auto-deploy script for Flutter frontend by ensuring a clean build environment and fetching packages

scripts/auto-deploy.sh

@@ -62,6 +62,12 @@ echo "=== Deploying Frontend ==="
 echo "Building Flutter web app..."
 FRONTEND_DIR="$DEPLOY_DIR/b0esche_cloud"
 cd "$FRONTEND_DIR"
+# Ensure a clean build environment to avoid stale package config or .dart_tool cache
+sudo -u admin rm -rf .dart_tool build
+# Fetch packages and clean previous artifacts
+timeout 300 sudo -u admin /opt/flutter/bin/flutter pub get
+sudo -u admin /opt/flutter/bin/flutter clean
+# Now build
 timeout 900 sudo -u admin /opt/flutter/bin/flutter build web --release || {
     echo "Flutter build failed or timed out"
     exit 1