Fix button roundtrip in editor, alignment persistence, and test email rendering

admin-spa/src/lib/html-to-markdown.ts

@@ -68,8 +68,23 @@ export function htmlToMarkdown(html: string): string {
     }).join('\n') + '\n\n';
   });
 
-  // Paragraphs - convert to double newlines
-  markdown = markdown.replace(/<p[^>]*>(.*?)<\/p>/gis, '$1\n\n');
+  // Paragraphs - preserve text-align by using placeholders
+  const alignedParagraphs: { [key: string]: string } = {};
+  let alignIndex = 0;
+  markdown = markdown.replace(/<p([^>]*)>(.*?)<\/p>/gis, (match, attrs, content) => {
+    // Check for text-align in style attribute
+    const alignMatch = attrs.match(/text-align:\s*(center|right)/i);
+    if (alignMatch) {
+      const align = alignMatch[1].toLowerCase();
+      // Use double-bracket placeholder that won't be matched by HTML regex
+      const placeholder = `[[ALIGN${alignIndex}]]`;
+      alignedParagraphs[placeholder] = `<p style="text-align: ${align};">${content}</p>`;
+      alignIndex++;
+      return placeholder + '\n\n';
+    }
+    // No alignment, convert to plain text
+    return `${content}\n\n`;
+  });
 
   // Line breaks
   markdown = markdown.replace(/<br\s*\/?>/gi, '\n');
@@ -80,6 +95,11 @@ export function htmlToMarkdown(html: string): string {
   // Remove remaining HTML tags
   markdown = markdown.replace(/<[^>]+>/g, '');
 
+  // Restore aligned paragraphs
+  Object.entries(alignedParagraphs).forEach(([placeholder, html]) => {
+    markdown = markdown.replace(placeholder, html);
+  });
+
   // Clean up excessive newlines
   markdown = markdown.replace(/\n{3,}/g, '\n\n');