fix(custom-widgets): restore bundled authoring

apps/docs/docs/management/custom-widgets/_category_.json

@@ -0,0 +1,9 @@
+{
+  "label": "Custom Widgets",
+  "collapsed": true,
+  "position": 8,
+  "link": {
+    "type": "doc",
+    "id": "management/custom-widgets/index"
+  }
+}

apps/docs/docs/management/custom-widgets/agent-authoring.mdx

@@ -12,7 +12,7 @@ Install the Agent Skill directly from the verified Homarr repository:
 npx skills add https://github.com/homarr-labs/homarr --skill homarr-custom-widget
 ```
 
-The source lives at [`.agents/skills/homarr-custom-widget`](https://github.com/homarr-labs/homarr/tree/v2/.agents/skills/homarr-custom-widget). There is no ZIP archive. After the skill exists on the public `v2` branch, run the command once to register installation activity, verify the skills.sh page, and request official maker attribution for `homarr-labs` through skills.sh. Repository code cannot grant that attribution itself.
+The source lives at [`.agents/skills/homarr-custom-widget`](https://github.com/homarr-labs/homarr/tree/dev/.agents/skills/homarr-custom-widget). There is no ZIP archive. After the skill exists on the repository's default branch, run the command once to register installation activity, verify the skills.sh page, and request official maker attribution for `homarr-labs` through skills.sh. Repository code cannot grant that attribution itself.
 
 ## MCP discovery
 

apps/docs/docs/management/custom-widgets/authoring.mdx

@@ -20,7 +20,7 @@ The **Schema** action beside Undo, Redo, and Format expands the generated JSON S
 
 ## ChatGPT copy/paste
 
-Enter a short request and optional API documentation URL, then select **Copy AI prompt**. Paste it into ChatGPT or another model. The model must return exactly:
+Enter a short request and optional API documentation URL, then select **Copy AI prompt**. Its dropdown also offers a self-contained version with the Custom Widget skill embedded for models that cannot discover skills or MCP resources. Paste either prompt into ChatGPT or another model. The model must return exactly:
 
 1. A fenced `json` block with one complete widget and `template: "__HOMARR_TEMPLATE__"`.
 2. A fenced `jsx` block with the readable template.

apps/docs/docs/management/custom-widgets/index.mdx

@@ -1,4 +1,6 @@
 ---
+title: Custom Widgets
+sidebar_label: Overview
 tags: [Custom Widgets, API, JSX, MCP]
 ---