update Open Source Docs from Roblox internal teams

Author: rbx-open-source-docs[bot]

content/common/navigation/avatar/guides.yaml

@@ -44,16 +44,16 @@ navigation:
         path: /art/accessories/import-clothing
   - title: Characters
     section:
-    - title: Overview
-      path: /art/characters/
-    - title: Specifications
-      path: /art/characters/specifications
-    - title: Reference files
-      path: /art/characters/project-files
-    - title: Export settings
-      path: /art/characters/export-settings
-    - title: Import into Studio
-      path: /art/characters/import
+      - title: Overview
+        path: /art/characters/
+      - title: Specifications
+        path: /art/characters/specifications
+      - title: Reference files
+        path: /art/characters/project-files
+      - title: Export settings
+        path: /art/characters/export-settings
+      - title: Import into Studio
+        path: /art/characters/import
   - title: Heads
     section:
       - title: Overview
@@ -81,10 +81,16 @@ navigation:
     section:
       - title: 3D Importer
         path: /art/modeling/3d-importer
+      - title: Avatar Setup
+        section:
+          - title: Overview
+            path: /avatar-setup/
+          - title: Auto-setup requirements
+            path: /avatar-setup/auto-setup-requirements
+          - title: Edit tools
+            path: /avatar-setup/tools
       - title: Accessory Fitting
         path: /art/accessories/accessory-fitting-tool
-      - title: Avatar Setup
-        path: /art/modeling/avatar-setup
       - title: Automatic Skinning Transfer
         path: /art/accessories/automatic-skinning-transfer
       - title: Thumbnails

content/en-us/ai-data-sharing.md

@@ -3,7 +3,7 @@ title: AI data sharing
 description: Understand AI data sharing policies and how to update your preferences.
 ---
 
-Roblox has a suite of AI-powered solutions, including [Code Assist](studio/script-editor.md#code-assist), [Material Generator](studio/material-generator.md), [Assistant](assistant/guide.md), in-experience chat translation, [Texture Generator](studio/texture-generator.md), and [Avatar Setup](art/modeling/avatar-setup.md). These tools help you quickly find information, accelerate the creation process, and complement your existing skillset.
+Roblox has a suite of AI-powered solutions, including [Code Assist](studio/script-editor.md#code-assist), [Material Generator](studio/material-generator.md), [Assistant](assistant/guide.md), in-experience chat translation, [Texture Generator](studio/texture-generator.md), and [Avatar Setup](/avatar-setup/index.md). These tools help you quickly find information, accelerate the creation process, and complement your existing skillset.
 
 To improve these tools and build new ones, Roblox uses data to train its generative AI models.
 

content/en-us/art/characters/import.md

@@ -6,7 +6,7 @@ description: Use the 3D Importer to add third-party models to Studio before test
 Use the following instructions to import a full character body model into Studio as a `Model` object that you can save to use in your experience, share with others, or upload to the Marketplace.
 
 <Alert severity ='info'>
-If you are using a single-mesh character body for the Roblox Auto-Setup tool, see [Avatar auto-setup](../modeling/avatar-setup.md#avatar-auto-setup).
+If you are using a single-mesh character body for the Roblox Auto-Setup tool, see [Avatar auto-setup](../../avatar-setup/).
 </Alert>
 
 Studio's 3D Importer provides a quick and easy way to import third-party 3D assets into your projects. The importer provides object previews and error-checking to ensure that your asset meets Roblox's [general 3D requirements](../modeling/specifications.md).

content/en-us/art/characters/testing/studio.md

@@ -6,7 +6,7 @@ description: Verify the important aspects of your character model in a custom St
 
 Test your character model in Studio to understand how it looks and feels within a Roblox experience. To test your custom character in Studio, first [import the character model](../../characters/import.md) into your Studio project.
 
-You can test in Studio using the [Avatar Setup tool](../../modeling/avatar-setup.md) to preview and test various components of your avatar character.
+You can test in Studio using the [Avatar Setup tool](../../../avatar-setup/) to preview and test various components of your avatar character.
 
 You can also playtest your character in the [Avatar Test experience](https://www.roblox.com/games/13176231501/Avatar-Test-Place). This experience provides a wide variety of environmental and clothing tests to ensure that your character model and related components work as expected.
 

content/en-us/art/index.md

@@ -340,7 +340,7 @@ The following is a list of common 3D art resources ordered by subject, as well a
 
 <a href="../animation/capture.md"><Typography variant='body1' style={{marginBottom: 12}}>Animation Capture</Typography></a>
 
-<a href="./modeling/avatar-setup.md"><Typography variant='body1' style={{marginBottom: 12}}>Avatar Setup</Typography></a>
+<a href="../avatar-setup/"><Typography variant='body1' style={{marginBottom: 12}}>Avatar Setup</Typography></a>
 
 <a href="../parts/materials.md"><Typography variant='body1' style={{marginBottom: 12}}>Material Generator</Typography></a>
 

content/en-us/art/modeling/3d-importer.md

@@ -124,7 +124,7 @@ The 3D Importer provides the following settings for meshes with rigging data, ty
   </tr>
   <tr>
     <td>Validate UGC Body</td>
-    <td>After importing, Studio opens the assets in the [Avatar Setup](../../art/modeling/avatar-setup.md) tool, allowing you to quickly begin testing and uploading avatar assets to the Marketplace.</td>
+    <td>After importing, Studio opens the assets in the [Avatar Setup](../../avatar-setup/index.md) tool, allowing you to quickly begin testing and uploading avatar assets to the Marketplace.</td>
   </tr>
   <tr>
     <td>Rig Scale</td>