chore: clean up repo for public release

- Remove BMAD framework, IDE configs, dev screenshots, test files,
  internal docs, and backup files
- Rename keep-notes/ to memento-note/
- Update all references from keep-notes to memento-note
- Add Apache 2.0 license with Commons Clause (non-commercial restriction)
- Add clean .gitignore and .env.docker.example

memento-note/app/actions/scrape.ts

@@ -0,0 +1,59 @@
+'use server'
+
+import * as cheerio from 'cheerio';
+
+export interface LinkMetadata {
+  url: string;
+  title?: string;
+  description?: string;
+  imageUrl?: string;
+  siteName?: string;
+}
+
+export async function fetchLinkMetadata(url: string): Promise<LinkMetadata | null> {
+  try {
+    // Add protocol if missing
+    let targetUrl = url;
+    if (!url.startsWith('http://') && !url.startsWith('https://')) {
+      targetUrl = 'https://' + url;
+    }
+
+    const response = await fetch(targetUrl, {
+      headers: {
+        // Use a real browser User-Agent to avoid 403 Forbidden from strict sites
+        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
+        'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',
+        'Accept-Language': 'en-US,en;q=0.5'
+      },
+      next: { revalidate: 3600 } // Cache for 1 hour
+    });
+
+    if (!response.ok) {
+      return null;
+    }
+
+    const html = await response.text();
+    const $ = cheerio.load(html);
+
+    const getMeta = (prop: string) => 
+      $(`meta[property="${prop}"]`).attr('content') || 
+      $(`meta[name="${prop}"]`).attr('content');
+
+    // Robust extraction with fallbacks
+    const title = getMeta('og:title') || $('title').text() || getMeta('twitter:title') || url;
+    const description = getMeta('og:description') || getMeta('description') || getMeta('twitter:description') || '';
+    const imageUrl = getMeta('og:image') || getMeta('twitter:image') || $('link[rel="image_src"]').attr('href');
+    const siteName = getMeta('og:site_name') || '';
+
+    return {
+      url: targetUrl,
+      title: title.substring(0, 100),
+      description: description.substring(0, 200),
+      imageUrl,
+      siteName
+    };
+  } catch (error) {
+    console.error(`[Scrape] Error fetching ${url}:`, error);
+    return null;
+  }
+}