docs: customizable prompt templates (#6908)

documentation/docs/guides/creating-plans.md

@@ -38,6 +38,10 @@ The goose CLI plan mode uses two configuration values:
 goose also supports automatic model switching with [Lead/Worker mode](/docs/guides/environment-variables#leadworker-model-configuration), which provides turn-based switching between two models to help balance model capabilities with cost and speed.
 :::
 
+:::tip Customize Plan Format
+You can also customize how goose creates plans by editing the `plan.md` [prompt template](/docs/guides/prompt-templates).
+:::
+
 ### Set goose planner environment variables
 You might add these lines to your bash shell config file (.bashrc) to add the planner environment variables:
 ```bash
@@ -318,13 +322,27 @@ To enter planning mode, type `/plan`.  Optionally, you can append your plan desc
 ( O)> /endplan
 ```
 
-<div className={styles.categorySection}>
-  <h2 className={styles.categoryTitle}>📚 Featured Tutorial</h2>
-  <div className={styles.cardGrid}>
-    <Card 
-      title="Planning Complex Tasks"
-      description="Learn how to use the Plan feature to break down complex tasks into manageable, executable steps."
-      link="/docs/tutorials/plan-feature-devcontainer-setup"
-    />
-  </div>
-</div>
+## Additional Resources
+
+import ContentCardCarousel from '@site/src/components/ContentCardCarousel';
+import blogBanner from '@site/blog/2025-12-19-does-your-ai-agent-need-a-plan/blog-banner.png';
+
+<ContentCardCarousel
+  items={[
+      {
+      type: 'blog',
+      title: 'Does Your AI Agent Need a Plan?',
+      description: 'Knowing when and how to plan with an AI agent can produce better results.',
+      thumbnailUrl: blogBanner,
+      linkUrl: '/goose/blog/2025/12/19/does-your-ai-agent-need-a-plan',
+      date: '2025-12-19',
+      duration: '7 min read'
+    },
+    {
+      type: 'topic',
+      title: 'Planning Complex Tasks',
+      description: 'Learn how to use the Plan feature to break down complex tasks into manageable, executable steps.',
+      linkUrl: '/goose/docs/tutorials/plan-feature-devcontainer-setup',
+    }
+  ]}
+/>