Add code formatting script for easier maintenance

- Create format-code.sh script to automate Black and isort formatting
- Provides easy way to format code after manual edits
- Includes verification steps to ensure CI compliance
- Helps maintain code quality standards consistently

scripts/format-code.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+
+# Format Python code with Black and isort
+# Run this script after making manual edits to maintain CI compliance
+
+set -e
+
+echo "🔧 Formatting Python code..."
+
+cd app
+
+# Install formatting tools if not present
+echo "📦 Ensuring formatting tools are installed..."
+python -m pip install black isort --quiet
+
+# Format code with Black
+echo "🎨 Running Black formatter..."
+python -m black stiftung core
+
+# Sort imports with isort
+echo "📋 Sorting imports with isort..."
+python -m isort stiftung core
+
+# Verify formatting
+echo "✅ Verifying formatting..."
+if python -m black --check stiftung core > /dev/null 2>&1; then
+    echo "✅ Black formatting: PASSED"
+else
+    echo "❌ Black formatting: FAILED"
+    exit 1
+fi
+
+if python -m isort --check-only stiftung core > /dev/null 2>&1; then
+    echo "✅ Import sorting: PASSED"
+else
+    echo "❌ Import sorting: FAILED"
+    exit 1
+fi
+
+echo "🎉 Code formatting complete! Ready for commit."
+echo ""
+echo "Next steps:"
+echo "  git add ."
+echo "  git commit -m 'Your descriptive commit message'"
+echo "  git push origin main"