chore(workflow): add AI-assisted workflow commands and configurations

Add comprehensive workflow commands for AI-assisted development:
- Claude commands: analyze, clarify, plan
- Kilocode workflows: full feature development lifecycle
- Opencode commands: specification and implementation workflows
- Roo MCP configuration for tool integration

Update .gitignore to exclude .astro build cache directories.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

apps/frontend/src/pages/admin/dashboard.astro

@@ -0,0 +1,56 @@
+---
+import AdminLayout from '../../layouts/AdminLayout.astro';
+---
+
+<AdminLayout>
+  <div class="dashboard">
+    <h1>Admin Dashboard</h1>
+    <div class="dashboard-grid">
+      <div class="dashboard-card">
+        <h2>Content Management</h2>
+        <p>Manage blog posts, portfolios, and categories.</p>
+        <a href="/admin/cms" class="btn">Go to CMS</a>
+      </div>
+      <div class="dashboard-card">
+        <h2>Analytics</h2>
+        <p>View site analytics and performance metrics.</p>
+        <a href="#" class="btn">View Analytics</a>
+      </div>
+    </div>
+  </div>
+</AdminLayout>
+
+<style>
+  .dashboard {
+    max-width: 1200px;
+    margin: 0 auto;
+  }
+  h1 {
+    margin-bottom: 30px;
+  }
+  .dashboard-grid {
+    display: grid;
+    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
+    gap: 20px;
+  }
+  .dashboard-card {
+    border: 1px solid #ddd;
+    padding: 20px;
+    border-radius: 8px;
+    background: #f9f9f9;
+  }
+  .dashboard-card h2 {
+    margin-top: 0;
+  }
+  .btn {
+    display: inline-block;
+    background: #007bff;
+    color: white;
+    padding: 10px 15px;
+    text-decoration: none;
+    border-radius: 4px;
+  }
+  .btn:hover {
+    background: #0056b3;
+  }
+</style>