fix: resolve all 404s across docs site

.github/workflows/pr-checks.yml

@@ -0,0 +1,47 @@
+name: PR Checks
+
+on:
+  pull_request:
+    branches: [dev, main]
+
+jobs:
+  link-audit:
+    name: Link audit & redirect enforcement
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0  # full history needed for git diff
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: Fetch @futureagi/chat-widget
+        run: |
+          git clone --depth 1 \
+            https://x-access-token:${{ secrets.GH_PAT }}@github.com/future-agi/landing-page.git .landing-tmp
+          cp -r .landing-tmp/docs-agent/packages/chat-widget ./chat-widget
+          rm -rf .landing-tmp
+
+      - name: Patch chat-widget dependency
+        run: |
+          sed -i 's|"@futureagi/chat-widget": "workspace:\*"|"@futureagi/chat-widget": "file:./chat-widget"|' package.json
+
+      - name: Cache npm dependencies
+        uses: actions/cache@v4
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-npm-${{ hashFiles('package-lock.json', 'package.json') }}
+          restore-keys: ${{ runner.os }}-npm-
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Check broken nav & content links
+        run: node scripts/audit-links.mjs
+
+      - name: Check deleted pages have redirects
+        run: node scripts/check-deleted-pages.mjs ${{ github.base_ref }}

scripts/check-deleted-pages.mjs

@@ -0,0 +1,79 @@
+/**
+ * Checks that every MDX page deleted in this branch has a corresponding
+ * entry in src/lib/redirects.ts. Fails with exit code 1 if any are missing.
+ *
+ * Usage: node scripts/check-deleted-pages.mjs [base-branch]
+ * Default base branch: dev
+ */
+import { execSync } from 'child_process';
+import { readFileSync } from 'fs';
+
+const baseBranch = process.argv[2] || 'dev';
+
+// Get deleted MDX files compared to base branch
+let deletedFiles;
+try {
+  const output = execSync(
+    `git diff origin/${baseBranch}...HEAD --name-only --diff-filter=D`,
+    { encoding: 'utf-8' }
+  );
+  deletedFiles = output.trim().split('\n').filter(Boolean);
+} catch {
+  // If origin/base doesn't exist, try without origin/
+  try {
+    const output = execSync(
+      `git diff ${baseBranch}...HEAD --name-only --diff-filter=D`,
+      { encoding: 'utf-8' }
+    );
+    deletedFiles = output.trim().split('\n').filter(Boolean);
+  } catch {
+    console.log('Could not determine deleted files — skipping check.');
+    process.exit(0);
+  }
+}
+
+// Filter to only MDX pages under src/pages/
+const deletedPages = deletedFiles.filter(f => f.startsWith('src/pages/') && f.endsWith('.mdx'));
+
+if (deletedPages.length === 0) {
+  console.log('No MDX pages deleted in this branch. ✓');
+  process.exit(0);
+}
+
+// Convert file path to URL path
+function fileToPath(file) {
+  return file
+    .replace(/^src\/pages/, '')
+    .replace(/\.mdx$/, '')
+    .replace(/\/index$/, '') || '/';
+}
+
+// Load redirects map
+const redirectsRaw = readFileSync('src/lib/redirects.ts', 'utf-8');
+const redirectEntries = [...redirectsRaw.matchAll(/'([^']+)':\s*'([^']+)'/g)];
+const redirectMap = new Set(redirectEntries.map(([, from]) => from));
+
+// Check each deleted page
+const missing = [];
+for (const file of deletedPages) {
+  const urlPath = fileToPath(file);
+  if (!redirectMap.has(urlPath)) {
+    missing.push({ file, urlPath });
+  }
+}
+
+if (missing.length === 0) {
+  console.log(`All ${deletedPages.length} deleted page(s) have redirects. ✓`);
+  process.exit(0);
+}
+
+console.error(`\n✗ ${missing.length} deleted page(s) have no redirect in src/lib/redirects.ts:\n`);
+for (const { file, urlPath } of missing) {
+  console.error(`  ${urlPath}`);
+  console.error(`    (deleted file: ${file})`);
+}
+console.error(`
+To fix: add an entry to src/lib/redirects.ts for each path above, pointing to the closest current page.
+Example:  '${missing[0].urlPath}': '/docs/some-current-page',
+`);
+process.exit(1);

src/components/AiChatWidget.astro

@@ -88,7 +88,7 @@ const turnstileSiteKey = import.meta.env.PUBLIC_TURNSTILE_SITE_KEY || '';
           <path d="M9.663 17h4.673M12 3v1m6.364 1.636l-.707.707M21 12h-1M4 12H3m3.343-5.657l-.707-.707m2.828 9.9a5 5 0 117.072 0l-.548.547A3.374 3.374 0 0014 18.469V19a2 2 0 11-4 0v-.531c0-.895-.356-1.754-.988-2.386l-.548-.547z" />
         </svg>
       </div>
-      <h3 class="text-sm font-semibold text-[var(--color-text-primary)] mb-1">FutureAGI AI Assistant</h3>
+      <p class="text-sm font-semibold text-[var(--color-text-primary)] mb-1">FutureAGI AI Assistant</p>
       <p class="text-xs text-[var(--color-text-muted)] mb-4 leading-relaxed max-w-[240px]">
         Ask me anything about the FutureAGI platform — I can search across all docs instantly.
       </p>

src/components/GiscusComments.tsx

@@ -28,7 +28,7 @@ export default function GiscusComments({ pagePath }: { pagePath: string }) {
 
   return (
     <div>
-      <h3 className="text-lg font-semibold text-[var(--color-text-primary)] mb-4">Questions & Discussion</h3>
+      <p className="text-lg font-semibold text-[var(--color-text-primary)] mb-4">Questions & Discussion</p>
       <div ref={ref} />
     </div>
   );

src/components/TableOfContents.astro

@@ -22,9 +22,9 @@ const feedbackUrl = `https://github.com/${GITHUB_REPO}/issues/new?title=${encode
 
 {toc.length > 0 && (
   <div class="space-y-4">
-      <h4 class="text-xs font-semibold uppercase tracking-wider text-[var(--color-text-tertiary)]">
+      <p class="text-xs font-semibold uppercase tracking-wider text-[var(--color-text-tertiary)]">
         On this page
-      </h4>
+      </p>
       <nav class="space-y-1">
         {toc.map((heading) => (
           <a

src/components/docs/Card.astro

@@ -86,7 +86,7 @@ const Tag = href ? 'a' : 'div';
     </div>
   )}
 
-  <h3 class:list={[
+  <p class:list={[
     "font-semibold text-[var(--color-text-primary)] mb-2",
     href && "group-hover:text-[var(--color-accent-primary)] transition-colors"
   ]}>
@@ -96,7 +96,7 @@ const Tag = href ? 'a' : 'div';
         <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M17 8l4 4m0 0l-4 4m4-4H3" />
       </svg>
     )}
-  </h3>
+  </p>
 
   <div class="text-sm text-[var(--color-text-secondary)]">
     <slot />