Improve teh securty of teh DB

frontend/src/locales/en/onboarding.json

@@ -68,6 +68,51 @@
         "supported_formats": "Supported formats: CSV",
         "max_size": "Maximum size: 10MB"
       },
+      "file_format_guide": {
+        "title": "File Format Guide",
+        "supported_formats": {
+          "title": "Supported Formats",
+          "csv": "CSV (comma-separated values)",
+          "json": "JSON (JavaScript Object Notation)",
+          "excel": "Excel (XLSX, XLS)",
+          "max_size": "Maximum size: 10MB"
+        },
+        "required_columns": {
+          "title": "Required Columns",
+          "date": "Date",
+          "date_examples": "date, fecha, data",
+          "product": "Product Name",
+          "product_examples": "product, producto, product_name, name",
+          "quantity": "Quantity Sold",
+          "quantity_examples": "quantity, cantidad, quantity_sold, units"
+        },
+        "optional_columns": {
+          "title": "Optional Columns",
+          "revenue": "Revenue (revenue, ingresos, sales)",
+          "unit_price": "Unit Price (unit_price, precio, price)",
+          "category": "Category (category, categoria)",
+          "sku": "Product SKU",
+          "location": "Location/Store",
+          "notes": "Additional notes"
+        },
+        "date_formats": {
+          "title": "Supported Date Formats",
+          "formats": "YYYY-MM-DD, DD/MM/YYYY, MM/DD/YYYY, DD-MM-YYYY, and more",
+          "with_time": "Time formats are also supported (e.g., YYYY-MM-DD HH:MM:SS)"
+        },
+        "features": {
+          "title": "Automatic Features",
+          "multilingual": "Multi-language column detection (Spanish, English, Basque)",
+          "validation": "Automatic validation with detailed error reporting",
+          "ai_classification": "AI-powered product classification",
+          "inventory_suggestions": "Smart inventory suggestions"
+        },
+        "download_template": "Download Template",
+        "show_example": "Show Data Example",
+        "hide_example": "Hide Example",
+        "toggle_guide": "Show Full Guide",
+        "collapse_guide": "Hide Guide"
+      },
       "sample": {
         "download": "Download CSV template",
         "example": "View data example"