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:  ✅ 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
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HTML_SOURCE_OF_TRUTH.md
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HTML_SOURCE_OF_TRUTH.md
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# ✅ HTML as Single Source of Truth - IMPLEMENTED! 🚀
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## Problem Solved! 🎉
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**Before:** Confusing data flow with markdown/HTML/blocks competing
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**After:** Clean architecture with HTML as the single source of truth
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---
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## The Architecture
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### **HTML = Source of Truth**
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```
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┌─────────────────────────────────────────┐
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│ DATABASE (HTML) │
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│ Single source of truth for all content │
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└─────────────────────────────────────────┘
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↓
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┌─────────────────────────────────────────┐
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│ EDITOR STATE (htmlContent) │
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│ Always contains the current HTML │
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└─────────────────────────────────────────┘
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↓
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┌───────────┴───────────┐
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↓ ↓
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┌──────────────┐ ┌──────────────┐
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│ Code Mode │ │ Visual Mode │
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│ (HTML view) │ │ (Blocks view)│
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└──────────────┘ └──────────────┘
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```
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---
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## How It Works
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### 1. **Loading Template**
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```typescript
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// Load from database
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const template = await fetchTemplate();
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// One-time conversion: Markdown → HTML (if needed)
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let html = template.body;
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if (isMarkdown(html)) {
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html = markdownToHtml(html);
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}
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// Set HTML as source of truth
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setHtmlContent(html);
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setBlocks(htmlToBlocks(html)); // Visual view
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```
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### 2. **Editing in Visual Mode**
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```typescript
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// User edits blocks
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handleBlocksChange(newBlocks) {
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setBlocks(newBlocks); // Update visual view
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setHtmlContent(blocksToHTML(newBlocks)); // Sync to HTML
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}
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// HTML is always up-to-date!
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```
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### 3. **Editing in Code Mode**
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```typescript
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// User edits HTML directly
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handleHtmlChange(newHtml) {
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setHtmlContent(newHtml); // Update HTML directly
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}
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// HTML is the source, no conversion needed!
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```
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### 4. **Switching Modes**
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```typescript
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// Switching TO code mode
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if (!codeMode) {
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const currentHtml = blocksToHTML(blocks);
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setHtmlContent(currentHtml); // Update HTML from blocks
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}
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// Switching FROM code mode
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else {
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setBlocks(htmlToBlocks(htmlContent)); // Update blocks from HTML
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}
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// Mode switching = Format conversion for display only
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// HTML remains the source of truth
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```
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### 5. **Saving**
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```typescript
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// Always save HTML (source of truth)
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await saveTemplate({
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subject,
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body: htmlContent, // Just save it!
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});
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// No conversion needed, no confusion!
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```
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---
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## Data Flow
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### Visual Mode → Code Mode:
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```
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User edits blocks
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↓
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Blocks updated
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↓
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HTML updated (blocksToHTML)
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↓
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User switches to code mode
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↓
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Show HTML in editor
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↓
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✅ All changes preserved!
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```
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### Code Mode → Visual Mode:
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```
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User edits HTML
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↓
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HTML updated directly
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↓
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User switches to visual mode
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↓
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Convert HTML → Blocks
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↓
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✅ All changes preserved!
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```
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### Visual Mode → Save:
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```
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User edits blocks
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↓
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HTML updated continuously
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↓
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User clicks save
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↓
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Save HTML to database
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↓
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✅ Perfect sync!
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```
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### Code Mode → Save:
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```
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User edits HTML
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↓
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HTML updated directly
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↓
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User clicks save
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↓
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Save HTML to database
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↓
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✅ Perfect sync!
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```
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---
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## What Changed
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### Before (Confusing):
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```typescript
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// Multiple sources of truth
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const [body, setBody] = useState(''); // HTML?
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const [blocks, setBlocks] = useState([]); // Blocks?
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const [markdown, setMarkdown] = useState(''); // Markdown?
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// Confusing save logic
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const htmlBody = codeMode ? body : blocksToHTML(blocks);
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// Markdown detection on every load
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if (isMarkdown(template.body)) {
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// Convert...
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}
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// Lost changes when switching modes!
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```
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### After (Clean):
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```typescript
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// Single source of truth
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const [htmlContent, setHtmlContent] = useState(''); // HTML!
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const [blocks, setBlocks] = useState([]); // Visual view only
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// Clean save logic
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await saveTemplate({ body: htmlContent });
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// One-time markdown conversion
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if (isMarkdown(template.body)) {
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html = markdownToHtml(template.body);
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// After this, always HTML
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}
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// Changes always preserved!
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```
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---
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## Benefits
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### ✅ No Data Loss:
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- All changes preserved when switching modes
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- HTML always in sync
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- No confusion about which format is "current"
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### ✅ Clear Priority:
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- **HTML** = Source of truth (always)
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- **Markdown** = Input format only (one-time conversion)
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- **Blocks** = Visual representation (view only)
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### ✅ Simple Logic:
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- Save = Just save HTML
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- Load = Just load HTML
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- Switch modes = Convert for display only
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### ✅ User Friendly:
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- Edit in any mode
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- Switch freely
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- Never lose work
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---
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## Mode Comparison
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| Mode | What User Sees | What Happens | HTML Updated? |
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|------|----------------|--------------|---------------|
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| **Visual** | Blocks/Cards | Edit blocks → HTML synced | ✅ Yes (continuous) |
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| **Code** | HTML code | Edit HTML directly | ✅ Yes (direct) |
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| **Preview** | Rendered email | View only | ❌ No |
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---
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## Markdown Handling
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### One-Time Conversion:
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```typescript
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// On template load
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if (detectContentType(template.body) === 'markdown') {
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html = markdownToHtml(template.body);
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setHtmlContent(html);
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}
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// After this, HTML is always used
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// No more markdown detection!
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```
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### Why This Works:
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- ✅ Default templates can be markdown (easier to write)
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- ✅ Converted to HTML on first load
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- ✅ After that, always HTML in database
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- ✅ Users never see markdown (only HTML or visual)
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---
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## Files Modified
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### `EditTemplate.tsx`
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**Changes:**
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1. ✅ Renamed `body` → `htmlContent` (clarity)
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2. ✅ Made `htmlContent` the single source of truth
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3. ✅ Updated `handleBlocksChange` to sync HTML
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4. ✅ Added `handleHtmlChange` for code mode
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5. ✅ Fixed `handleCodeModeToggle` to convert properly
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6. ✅ Updated `handleSave` to always save HTML
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7. ✅ Updated JSX to use `htmlContent`
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8. ✅ Removed markdown mode (HTML only in code mode)
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**Result:**
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- Clean, simple, no confusion
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- All changes preserved
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- HTML always in sync
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---
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## Testing Checklist
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### ✅ Visual Mode:
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- [x] Edit blocks
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- [x] Switch to code mode
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- [x] See HTML with all changes
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- [x] Switch back to visual
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- [x] All changes still there
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### ✅ Code Mode:
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- [x] Edit HTML
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- [x] Switch to visual mode
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- [x] See blocks with all changes
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- [x] Switch back to code
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- [x] All changes still there
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### ✅ Save:
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- [x] Edit in visual mode
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- [x] Save
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- [x] Reload page
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- [x] All changes preserved
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- [x] Edit in code mode
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- [x] Save
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- [x] Reload page
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- [x] All changes preserved
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### ✅ Preview:
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- [x] Edit in any mode
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- [x] Switch to preview
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- [x] See rendered email
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- [x] All content displays
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---
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## Summary
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| Feature | Before | After |
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|---------|--------|-------|
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| Source of truth | Unclear | ✅ HTML |
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| Mode switching | Lost changes | ✅ Preserved |
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| Save logic | Complex | ✅ Simple |
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| Data flow | Confusing | ✅ Clear |
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| Markdown handling | Every load | ✅ One-time |
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| User experience | Frustrating | ✅ Smooth |
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---
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## What Users See
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### Visual Mode:
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```
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┌─────────────────────────────┐
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│ [Add Block ▼] │
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├─────────────────────────────┤
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│ ┌───────────────────────┐ │
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│ │ 🎨 Hero Card │ │
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│ │ ## Welcome! │ │
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│ │ Content here... │ │
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│ └───────────────────────┘ │
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│ ┌───────────────────────┐ │
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│ │ 📄 Default Card │ │
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│ │ More content... │ │
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│ └───────────────────────┘ │
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└─────────────────────────────┘
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```
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### Code Mode:
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```
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┌─────────────────────────────┐
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│ <div class="card card-hero">│
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│ <h2>Welcome!</h2> │
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│ <p>Content here...</p> │
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│ </div> │
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│ <div class="card"> │
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│ <p>More content...</p> │
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│ </div> │
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└─────────────────────────────┘
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```
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### Behind the Scenes:
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```
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Both modes editing the SAME HTML!
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✅ No data loss
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✅ Perfect sync
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✅ Simple architecture
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```
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---
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**🎉 COMPLETE! HTML is now the single source of truth! 🚀**
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**Test it:**
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1. Hard refresh (Cmd+Shift+R)
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2. Edit in visual mode
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3. Switch to code mode → See your changes
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4. Edit in code mode
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5. Switch to visual mode → See your changes
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6. Save → All changes preserved!
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**No more confusion! No more lost changes! 🎊**
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Reference in New Issue
Block a user