a11y: add DOCX metadata, image placeholders, table headers

src/components/Preview.tsx

@@ -224,7 +224,8 @@ export const Preview: React.FC<PreviewProps> = ({
         palette: template.typography?.colors,
         id: template.id,
         page: template.page,
-        useTableHeaders
+        useTableHeaders,
+        inputFileName
       });
 
       const arrayBuffer = await blob.arrayBuffer();

src/utils/docxConverter.ts

@@ -48,6 +48,7 @@ export interface ConversionOptions {
   id?: string;
   page?: any;
   useTableHeaders?: boolean;
+  inputFileName?: string;
 }
 
 // Transform text to all caps if needed
@@ -622,6 +623,12 @@ export const generateDocxDocument = async (
     // Create paragraph for table cell
     const paragraph = new Paragraph({
       children: runs.length > 0 ? runs : [new TextRun({ text: headerEl.textContent || '', font: headerFont, size: headerSize, color: headerColor, bold: true })],
+      heading: level === 1 ? HeadingLevel.HEADING_1 :
+               level === 2 ? HeadingLevel.HEADING_2 :
+               level === 3 ? HeadingLevel.HEADING_3 :
+               level === 4 ? HeadingLevel.HEADING_4 :
+               level === 5 ? HeadingLevel.HEADING_5 :
+               HeadingLevel.HEADING_6,
       alignment: mapAlignment(cfg.align),
       spacing: {
         before: 0,
@@ -777,7 +784,8 @@ export const generateDocxDocument = async (
         }));
       }
 
-      rows.push(new TableRow({ children: cells }));
+      const hasThCells = Array.from(rowEl.querySelectorAll('th')).length > 0;
+      rows.push(new TableRow({ children: cells, tableHeader: hasThCells }));
     }
 
     return new Table({
@@ -1195,6 +1203,23 @@ export const generateDocxDocument = async (
       return results;
     }
 
+    // Images - produce accessible placeholder text
+    if (tag === 'img') {
+      const alt = el.getAttribute('alt') || '';
+      const placeholderText = alt ? `[Image: ${alt}]` : '[Image]';
+      results.push(new Paragraph({
+        children: [new TextRun({
+          text: placeholderText,
+          font: body.font,
+          size: pt(body.size),
+          color: formatColor(resolveColorToHex(body.color) || '666666'),
+          italics: true,
+        })],
+        spacing: { before: 120, after: 120 },
+      }));
+      return results;
+    }
+
     // HR
     if (tag === 'hr') {
       const hrConfig = elements?.hr;
@@ -1229,6 +1254,9 @@ export const generateDocxDocument = async (
 
   // Build document options
   const documentOptions: any = {
+    title: options.inputFileName || 'Document',
+    description: 'Generated by TypoGenie',
+    creator: 'TypoGenie',
     styles: {
       default: {
         document: {