feat: implement and recognize vimeo macro

src/main/config/macroConfig.ts

@@ -39,6 +39,21 @@ export const macroConfigs: MacroConfig[] = [
       return undefined;
     },
   },
+  {
+    name: 'vimeo',
+    description: 'Embeds a Vimeo video player',
+    requiredParams: ['id'],
+    validate: (params) => {
+      if (!params.id) {
+        return 'Vimeo macro requires an "id" parameter (the video ID)';
+      }
+      // Vimeo IDs are numeric
+      if (!/^\d+$/.test(params.id)) {
+        return 'Invalid Vimeo video ID format (should be numeric)';
+      }
+      return undefined;
+    },
+  },
   {
     name: 'gallery',
     description: 'Renders an image gallery from linked media files',

src/main/engine/ImportExecutionEngine.ts

@@ -430,9 +430,12 @@ export class ImportExecutionEngine extends EventEmitter {
     const wxrPost = analyzed.wxrPost;
     const db = getDatabase().getLocal();
 
+    // Convert Vimeo iframes to [[vimeo]] macros BEFORE markdown conversion
+    const contentWithVimeo = this.convertVimeoIframes(wxrPost.content);
+
     // Transform WordPress shortcodes [shortcode] to [[shortcode]] BEFORE markdown conversion
     // (TurndownService escapes brackets, so we must transform first)
-    const contentWithShortcodes = this.transformShortcodes(wxrPost.content);
+    const contentWithShortcodes = this.transformShortcodes(contentWithVimeo);
 
     // Convert HTML content to Markdown
     let transformedContent = this.convertToMarkdown(contentWithShortcodes);
@@ -779,6 +782,16 @@ export class ImportExecutionEngine extends EventEmitter {
     return markdown.replace(uploadsUrlPattern, 'media/$1');
   }
 
+  /**
+   * Convert Vimeo iframes to [[vimeo id=...]] macros.
+   * Matches <iframe src="...player.vimeo.com/video/ID..."> and converts to [[vimeo id=ID]]
+   */
+  private convertVimeoIframes(content: string): string {
+    // Match Vimeo iframe embeds: <iframe src="http(s)://player.vimeo.com/video/12345...">
+    const vimeoIframeRegex = /<iframe[^>]*src=["']https?:\/\/player\.vimeo\.com\/video\/(\d+)[^"']*["'][^>]*><\/iframe>/gi;
+    return content.replace(vimeoIframeRegex, '[[vimeo id=$1]]');
+  }
+
   /**
    * Transform WordPress shortcodes [shortcode] to [[shortcode]]
    */

src/renderer/macros/definitions/index.ts

@@ -12,6 +12,7 @@
 // Import all macro definitions - they self-register on import
 import './gallery';
 import './youtube';
+import './vimeo';
 import './photo_archive';
 
 // Add new macro imports here:

src/renderer/macros/definitions/vimeo.ts

@@ -0,0 +1,76 @@
+/**
+ * Vimeo Macro
+ * 
+ * Embeds a Vimeo video player.
+ * 
+ * Usage: [[vimeo id=12155835]]
+ * 
+ * Parameters:
+ * - id (required): Vimeo video ID
+ * - title: Accessible title for the iframe
+ */
+
+import { registerMacro } from '../registry';
+import type { MacroDefinition, MacroParams, MacroRenderContext } from '../types';
+
+const vimeoMacro: MacroDefinition = {
+  name: 'vimeo',
+  description: 'Embeds a Vimeo video player',
+
+  validate(params: MacroParams): string | undefined {
+    if (!params.id) {
+      return 'Vimeo macro requires an "id" parameter (the video ID)';
+    }
+    // Vimeo IDs are numeric
+    if (!/^\d+$/.test(params.id)) {
+      return 'Invalid Vimeo video ID format (should be numeric)';
+    }
+    return undefined;
+  },
+
+  editorPreview(params: MacroParams): string {
+    const id = params.id || '?';
+    const title = params.title;
+    return title ? `▶ Vimeo: ${title}` : `▶ Vimeo: ${id}`;
+  },
+
+  render(params: MacroParams, context: MacroRenderContext): string {
+    const { id, title = 'Vimeo video' } = params;
+    
+    const embedUrl = `https://player.vimeo.com/video/${id}`;
+    
+    if (context.isPreview) {
+      // In preview, show a placeholder with Vimeo branding
+      return `
+        <div class="macro-vimeo vimeo-preview">
+          <div class="vimeo-thumbnail">
+            <div class="vimeo-play-overlay">
+              <span class="vimeo-play-button">▶</span>
+            </div>
+            <span class="vimeo-title">${title} (Vimeo: ${id})</span>
+          </div>
+        </div>
+      `;
+    }
+    
+    // Production render - full iframe embed
+    return `
+      <div class="macro-vimeo">
+        <div class="vimeo-container">
+          <iframe 
+            src="${embedUrl}"
+            title="${title}"
+            frameborder="0"
+            allow="autoplay; fullscreen; picture-in-picture"
+            allowfullscreen
+          ></iframe>
+        </div>
+      </div>
+    `;
+  },
+};
+
+// Self-register
+registerMacro(vimeoMacro);
+
+export default vimeoMacro;