Add optional default product fields on tenant creation

When creating a new tenant, users can now choose to initialize with default product fields (Product Name, Item ID, Sale Price, and Image). The option is presented via a checkbox in the tenant creation modal and is enabled by default.

src/app/blueprints/tenant/routes.py

@@ -13,9 +13,20 @@ def index(tenant_id):
     if tenant is None:
         return jsonify({"error": f"'{tenant_id}' is a reserved name and cannot be used as a tenant ID"}), 404
 
-    products = ProductModel.get_all(tenant_id)
+    # Check if we should create default fields for a new tenant
+    create_defaults = request.args.get('create_defaults', '0') == '1'
     custom_fields = ARFieldModel.get_all(tenant_id)
 
+    # If no custom fields exist and user requested defaults, create them
+    if create_defaults and not custom_fields:
+        ARFieldModel.create_default_fields(tenant_id)
+        custom_fields = ARFieldModel.get_all(tenant_id)
+        flash('Tenant created with default product fields!', 'success')
+        # Redirect to remove the query parameter
+        return redirect(f'/{tenant_id}/')
+
+    products = ProductModel.get_all(tenant_id)
+
     return render_template('index.html', tenant=tenant, products=products, custom_fields=custom_fields)
 
 @tenant_bp.route('/delete', methods=['POST'])

src/app/models/ar_field.py

@@ -82,3 +82,56 @@ class ARFieldModel:
             cursor.execute('DELETE FROM custom_ar_fields WHERE id = ? AND tenant_id = ?',
                           (field_id, tenant_id))
             conn.commit()
+
+    @staticmethod
+    def create_default_fields(tenant_id: str):
+        """Create default product fields for a new tenant"""
+        tenant_id = tenant_id.lower()
+
+        default_fields = [
+            {
+                'fieldName': '_name',
+                'label': 'Product Name',
+                'fieldType': 'TEXT',
+                'editable': 'true',
+                'displayOrder': 0
+            },
+            {
+                'fieldName': '_id',
+                'label': 'Item ID',
+                'fieldType': 'TEXT',
+                'editable': 'false',
+                'displayOrder': 1
+            },
+            {
+                'fieldName': '_price',
+                'label': 'Sale Price',
+                'fieldType': 'TEXT',
+                'editable': 'true',
+                'displayOrder': 2
+            },
+            {
+                'fieldName': '_image',
+                'label': 'Image',
+                'fieldType': 'IMAGE_URI',
+                'editable': 'true',
+                'displayOrder': 3
+            }
+        ]
+
+        with get_db() as conn:
+            cursor = conn.cursor()
+            for field in default_fields:
+                cursor.execute('''
+                    INSERT INTO custom_ar_fields
+                    (tenant_id, field_name, label, field_type, editable, display_order)
+                    VALUES (?, ?, ?, ?, ?, ?)
+                ''', (
+                    tenant_id,
+                    field['fieldName'],
+                    field['label'],
+                    field['fieldType'],
+                    field['editable'],
+                    field['displayOrder']
+                ))
+            conn.commit()

src/app/templates/tenant_selection.html

@@ -160,6 +160,15 @@
                             <input type="text" class="form-control" id="tenantId" placeholder="e.g., demo-company" required pattern="[a-zA-Z0-9_-]+">
                             <small class="form-text text-muted">Only letters, numbers, hyphens, and underscores allowed</small>
                         </div>
+                        <div class="mb-3">
+                            <div class="form-check">
+                                <input class="form-check-input" type="checkbox" id="createDefaultFields" checked>
+                                <label class="form-check-label" for="createDefaultFields">
+                                    Create products with default fields
+                                </label>
+                            </div>
+                            <small class="form-text text-muted">Adds: Product Name, Item ID, Sale Price, and Image fields</small>
+                        </div>
                         <div class="alert alert-info">
                             <i class="bi bi-info-circle"></i>
                             <small>Default credentials: <strong>admin</strong> / <strong>admin</strong></small>
@@ -237,13 +246,18 @@
         document.getElementById('newTenantForm').addEventListener('submit', function(e) {
             e.preventDefault();
             const tenantId = document.getElementById('tenantId').value;
+            const createDefaults = document.getElementById('createDefaultFields').checked;
+
             if (tenantId) {
                 const normalizedId = tenantId.toLowerCase();
                 if (reservedIds.includes(normalizedId)) {
                     alert(`"${tenantId}" is a reserved name and cannot be used as a tenant ID.`);
                     return;
                 }
-                window.location.href = '/' + normalizedId + '/';
+
+                // Redirect with query parameter for default fields
+                const url = '/' + normalizedId + '/' + (createDefaults ? '?create_defaults=1' : '');
+                window.location.href = url;
             }
         });