Add memory-viewer from silicondawn

- Web UI for browsing and editing OpenClaw memory files
- Cloned from https://github.com/silicondawn/memory-viewer
- Built and running on port 8901
- Features: file tree, markdown rendering, search, live reload
- Full access to MEMORY.md, daily notes, skills, automations

memory-viewer/take-screenshots.mjs

@@ -0,0 +1,77 @@
+import { chromium } from 'playwright';
+import { join } from 'path';
+
+const BASE = 'http://localhost:8901';
+const DOCS = join(import.meta.dirname, 'docs');
+const VP = { width: 1280, height: 800 };
+
+async function screenshot(page, name) {
+  await page.waitForTimeout(500);
+  await page.screenshot({ path: join(DOCS, name), fullPage: false });
+  console.log(`✅ ${name}`);
+}
+
+const browser = await chromium.launch();
+
+// --- DARK THEME ---
+let ctx = await browser.newContext({ viewport: VP, colorScheme: 'dark' });
+let page = await ctx.newPage();
+
+// Dashboard (dark)
+await page.goto(BASE);
+await page.waitForLoadState('networkidle');
+await screenshot(page, 'screenshot-dashboard-dark.png');
+
+// Viewer - open MEMORY.md (dark)
+// Click on MEMORY.md in file tree
+await page.click('text=MEMORY.md');
+await page.waitForTimeout(800);
+await screenshot(page, 'screenshot-viewer-dark.png');
+
+// Editor mode (dark) - click edit button
+const editBtn = page.locator('button:has-text("Edit"), button[title*="edit"], button[title*="Edit"], [aria-label*="edit"], [aria-label*="Edit"]').first();
+if (await editBtn.count() > 0) {
+  await editBtn.click();
+  await page.waitForTimeout(500);
+  await screenshot(page, 'screenshot-editor-dark.png');
+}
+
+// Search panel (dark) - Ctrl+K
+await page.keyboard.press('Control+k');
+await page.waitForTimeout(500);
+// Type something to show results
+await page.keyboard.type('memory');
+await page.waitForTimeout(800);
+await screenshot(page, 'screenshot-search-dark.png');
+await page.keyboard.press('Escape');
+
+await ctx.close();
+
+// --- LIGHT THEME ---
+ctx = await browser.newContext({ viewport: VP, colorScheme: 'light' });
+page = await ctx.newPage();
+
+// Set light theme via localStorage before navigating
+await page.addInitScript(() => {
+  localStorage.setItem('theme', 'light');
+});
+await page.goto(BASE);
+await page.waitForLoadState('networkidle');
+// Also try setting it after load
+await page.evaluate(() => {
+  localStorage.setItem('theme', 'light');
+  document.documentElement.classList.remove('dark');
+  document.documentElement.classList.add('light');
+});
+await page.reload();
+await page.waitForLoadState('networkidle');
+await screenshot(page, 'screenshot-dashboard-light.png');
+
+// Viewer light
+await page.click('text=MEMORY.md');
+await page.waitForTimeout(800);
+await screenshot(page, 'screenshot-viewer-light.png');
+
+await ctx.close();
+await browser.close();
+console.log('🎉 All screenshots done!');