docs: sessions reorg and conversation features (#4462)

Co-authored-by: Rizel Scarlett <rizel@squareup.com>

documentation/docs/guides/sessions/index.md

@@ -0,0 +1,56 @@
+---
+title: Managing Sessions
+hide_title: true
+description: Manage your session lifecycle and ongoing interactions with Goose
+---
+
+import Card from '@site/src/components/Card';
+import styles from '@site/src/components/Card/styles.module.css';
+import Tabs from '@theme/Tabs';
+import TabItem from '@theme/TabItem';
+
+<h1 className={styles.pageTitle}>Managing Sessions</h1>
+<p className={styles.pageDescription}>
+  Sessions are your continuous interactions with Goose. Each session maintains context and conversation history, enabling Goose to understand your ongoing work and provide relevant assistance.
+</p>
+
+<div className={styles.categorySection}>
+  <h2 className={styles.categoryTitle}>📚 Documentation & Guides</h2>
+  <div className={styles.cardGrid}>
+    <Card 
+      title="Session Management"
+      description="Learn how to start, resume, or search sessions, and perform other session management tasks."
+      link="/docs/guides/sessions/session-management"
+    />
+    <Card 
+      title="In-Session Actions"
+      description="Discover features you can use to share information and communicate with Goose during sessions."
+      link="/docs/guides/sessions/in-session-actions"
+    />
+    <Card 
+      title="Smart Context Management"
+      description="Maintain productive sessions using features that help manage context and conversation limits."
+      link="/docs/guides/sessions/smart-context-management"
+    />
+  </div>
+</div>
+<div className={styles.categorySection}>
+  <h2 className={styles.categoryTitle}>📝 Featured Blog Posts</h2>
+  <div className={styles.cardGrid}>
+    <Card
+      title="6 Essential Tips for Working with Goose"
+      description="Learn how focused sessions, step-by-step guidance, and refining your prompts can lead to more productive sessions."
+      link="/blog/2025/03/06/goose-tips"
+    />
+    <Card
+      title="AI Prompting 101: How to Get the Best Responses from Your AI Agent"
+      description="Make your sessions more effective by adding structure to your prompts."
+      link="/blog/2025/03/19/better-ai-prompting"
+    />
+    <Card
+      title="The AI Skeptic’s Guide to Context Windows"
+      description="Learn how context windows, tokens, and Goose help you manage memory and long conversations."
+      link="/blog/2025/08/18/understanding-context-windows"
+    />
+  </div>
+</div>