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/marketing-solutions.astro

@@ -0,0 +1,43 @@
+---
+import Layout from '../layouts/Layout.astro';
+---
+
+<Layout>
+  <section class="solutions-section">
+    <div class="container">
+      <h1>行銷方案</h1>
+      <p>我們提供多樣化的行銷方案，幫助您的品牌深入人心。</p>
+      <ul>
+        <li>Google 商家關鍵字</li>
+        <li>Google Ads</li>
+        <li>社群代操</li>
+        <li>論壇行銷</li>
+        <li>網紅行銷</li>
+        <li>形象影片</li>
+      </ul>
+    </div>
+  </section>
+</Layout>
+
+<style>
+  .solutions-section {
+    padding: 40px 0;
+  }
+  .container {
+    max-width: 1200px;
+    margin: 0 auto;
+    padding: 0 20px;
+  }
+  h1 {
+    text-align: center;
+    margin-bottom: 30px;
+  }
+  ul {
+    list-style: none;
+    padding: 0;
+  }
+  li {
+    padding: 10px 0;
+    border-bottom: 1px solid #eee;
+  }
+</style>