feat: Complete markdown syntax refinement and variable protection

✅ New cleaner syntax implemented:
- [card:type] instead of [card type='type']
- [button:style](url)Text[/button] instead of [button url='...' style='...']
- Standard markdown images: ![alt](url)

✅ Variable protection from markdown parsing:
- Variables with underscores (e.g., {order_items_table}) now protected
- HTML comment placeholders prevent italic/bold parsing
- All variables render correctly in preview

✅ Button rendering fixes:
- Buttons work in Visual mode inside cards
- Buttons work in Preview mode
- Button clicks prevented in visual editor
- Proper styling for solid and outline buttons

✅ Backward compatibility:
- Old syntax still supported
- No breaking changes

✅ Bug fixes:
- Fixed order_item_table → order_items_table naming
- Fixed button regex to match across newlines
- Added button/image parsing to parseMarkdownBasics
- Prevented button clicks on .button and .button-outline classes

📚 Documentation:
- NEW_MARKDOWN_SYNTAX.md - Complete user guide
- MARKDOWN_SYNTAX_AND_VARIABLES.md - Technical analysis

TEMPLATE_UPDATE_SCRIPT.md

@@ -0,0 +1,259 @@
+# Template Update Script
+
+## Changes to Make in DefaultTemplates.php
+
+For ALL templates, replace the footer pattern:
+
+### Pattern to Find:
+```
+---
+
+[Any text with {support_email} or similar]
+© {current_year} {site_name}
+```
+
+### Replace With:
+```
+[card type="basic"]
+
+[Same text with {support_email}]
+
+[/card]
+```
+
+### Remove:
+- All instances of `© {current_year} {site_name}` (already in global footer)
+- All instances of standalone `---` before footer text
+
+## Specific Updates:
+
+### Customer Templates:
+
+1. **customer_order_placed** (line 138-141):
+```php
+// OLD:
+---
+
+Need help? Contact us: {support_email}
+© {current_year} {site_name}';
+
+// NEW:
+[card type="basic"]
+
+Need help? Contact us: {support_email}
+
+[/card]';
+```
+
+2. **customer_order_confirmed** (line 180-183):
+```php
+// OLD:
+---
+
+Questions? We\'re here to help: {support_email}
+© {current_year} {site_name}';
+
+// NEW:
+[card type="basic"]
+
+Questions? We\'re here to help: {support_email}
+
+[/card]';
+```
+
+3. **customer_order_shipped** (line 222-225):
+```php
+// OLD:
+---
+
+Need assistance? Contact {support_email}
+© {current_year} {site_name}';
+
+// NEW:
+[card type="basic"]
+
+Need assistance? Contact {support_email}
+
+[/card]';
+```
+
+4. **customer_order_completed** (line 262-267):
+```php
+// OLD:
+---
+
+Questions or issues with your order? We\'re here to help.
+{support_email}
+
+© {current_year} {site_name}';
+
+// NEW:
+[card type="basic"]
+
+Questions or issues with your order? We\'re here to help.
+
+Contact: {support_email}
+
+[/card]';
+```
+
+5. **customer_order_cancelled** (line 309-311):
+```php
+// OLD:
+---
+
+© {current_year} {site_name}';
+
+// NEW:
+';
+// (Just remove the footer entirely - no support text here)
+```
+
+6. **customer_payment_received** (line 349-351):
+```php
+// OLD:
+---
+
+© {current_year} {site_name}';
+
+// NEW:
+';
+// (Just remove)
+```
+
+7. **customer_payment_failed** (line 398-400):
+```php
+// OLD:
+---
+
+© {current_year} {site_name}';
+
+// NEW:
+';
+// (Already has support text in card, just remove footer)
+```
+
+8. **customer_registered** (line 436-439):
+```php
+// OLD:
+---
+
+Need help? Contact {support_email}
+© {current_year} {site_name}';
+
+// NEW:
+[card type="basic"]
+
+Need help? Contact {support_email}
+
+[/card]';
+```
+
+9. **customer_vip_upgraded** (line 473-476):
+```php
+// OLD:
+---
+
+Questions? {support_email}
+© {current_year} {site_name}';
+
+// NEW:
+[card type="basic"]
+
+Questions? {support_email}
+
+[/card]';
+```
+
+### Staff Templates:
+
+10. **staff_order_placed** (line 535-538):
+```php
+// OLD:
+---
+
+WooNooW Order Management
+© {current_year} {site_name}';
+
+// NEW:
+';
+// (Remove - staff doesn't need this footer)
+```
+
+11. **staff_order_confirmed** (line 582-585):
+```php
+// OLD:
+---
+
+WooNooW Order Management
+© {current_year} {site_name}';
+
+// NEW:
+';
+```
+
+12. **staff_order_shipped** (line 618-621):
+```php
+// OLD:
+---
+
+WooNooW Order Management
+© {current_year} {site_name}';
+
+// NEW:
+';
+```
+
+13. **staff_order_completed** (line 664-667):
+```php
+// OLD:
+---
+
+WooNooW Order Management
+© {current_year} {site_name}';
+
+// NEW:
+';
+```
+
+14. **staff_order_cancelled** (line 716-719):
+```php
+// OLD:
+---
+
+WooNooW Order Management
+© {current_year} {site_name}';
+
+// NEW:
+';
+```
+
+15. **staff_payment_received** (line 763-766):
+```php
+// OLD:
+---
+
+WooNooW Payment Management
+© {current_year} {site_name}';
+
+// NEW:
+';
+```
+
+16. **staff_payment_failed** (line 809-812):
+```php
+// OLD:
+---
+
+WooNooW Payment Management
+© {current_year} {site_name}';
+
+// NEW:
+';
+```
+
+## Summary:
+
+- **Customer templates**: Wrap support text in `[card type="basic"]`, remove copyright
+- **Staff templates**: Remove footer entirely (they don't need support contact)
+- **All templates**: Remove `© {current_year} {site_name}` (handled by global footer)