Fix TypeScript compilation errors

- Remove deprecated marked options (sanitize, headerIds, mangle)
- Fix undefined codeExample and diagramExample references in templateRenderer
- Replace with additional markdown sample content
- Ensure clean TypeScript build with no errors

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

public/themes-manifest.json

@@ -14,5 +14,5 @@
       "hasMasterSlide": true
     }
   },
-  "generated": "2025-08-22T02:15:00.761Z"
+  "generated": "2025-08-22T02:19:52.970Z"
 }

src/utils/markdownProcessor.ts

@@ -8,11 +8,8 @@ import DOMPurify from 'dompurify';
 
 // Configure marked for slide-safe markdown
 marked.setOptions({
-  sanitize: false, // We'll handle sanitization with DOMPurify
   gfm: true, // GitHub Flavored Markdown
   breaks: true, // Convert line breaks to <br>
-  headerIds: false, // Don't generate header IDs
-  mangle: false, // Don't mangle email addresses
 });
 
 /**

src/utils/templateRenderer.ts

@@ -64,9 +64,9 @@ const SAMPLE_CONTENT = {
   markdown: [
     SAMPLE_MARKDOWN_CONTENT.content,
     SAMPLE_MARKDOWN_CONTENT.list,
-    SAMPLE_MARKDOWN_CONTENT.codeExample,
-    SAMPLE_MARKDOWN_CONTENT.diagramExample,
-    '## Key Points\n\n- **Important**: Focus on *customer needs*\n- Use `data-driven` decisions\n- > Success comes from teamwork'
+    '## Key Points\n\n- **Important**: Focus on *customer needs*\n- Use `data-driven` decisions\n- > Success comes from teamwork',
+    '### Implementation Steps\n\n1. **Analysis** - Review current metrics\n2. **Strategy** - Define clear objectives\n3. **Execution** - Deploy with *precision*\n\n> Remember: `quality` over quantity',
+    '## Technical Overview\n\n- Modern **JavaScript** frameworks\n- *Responsive* design principles\n- `API-first` architecture\n\n**Next Steps**: Begin development phase'
   ]
 };