[Error] unhandlederror-Uncaught TypeError: Cannot read properties of undefined (reading 'scheme')

## Error Message
````
unhandlederror-Uncaught TypeError: Cannot read properties of undefined (reading 'scheme')
````

## Stack Trace
    at sH ([./src/vs/workbench/contrib/chat/common/chatSessionsService.ts:404:35](https://github.com/microsoft/vscode/blob/08d4889f9ec4a1685d257b9b95de036c8e1ce1e5/src/vs/workbench/contrib/chat/common/chatSessionsService.ts#L404))
    at isAgentHostSessionResource ([./src/vs/workbench/contrib/chat/browser/chatEditing/chatEditingModifiedFileEntry.ts:277:0](https://github.com/microsoft/vscode/blob/08d4889f9ec4a1685d257b9b95de036c8e1ce1e5/src/vs/workbench/contrib/chat/browser/chatEditing/chatEditingModifiedFileEntry.ts#L277))
    at m3._notifySessionAction ([./src/vs/workbench/contrib/chat/browser/chatEditing/chatEditingModifiedFileEntry.ts:273:0](https://github.com/microsoft/vscode/blob/08d4889f9ec4a1685d257b9b95de036c8e1ce1e5/src/vs/workbench/contrib/chat/browser/chatEditing/chatEditingModifiedFileEntry.ts#L273))
    at Tt.runner ([./src/vs/workbench/contrib/chat/browser/chatEditing/chatEditingModifiedFileEntry.ts:102:0](https://github.com/microsoft/vscode/blob/08d4889f9ec4a1685d257b9b95de036c8e1ce1e5/src/vs/workbench/contrib/chat/browser/chatEditing/chatEditingModifiedFileEntry.ts#L102))
    at Tt.doRun ([./src/vs/base/common/async.ts:1257:7](https://github.com/microsoft/vscode/blob/08d4889f9ec4a1685d257b9b95de036c8e1ce1e5/src/vs/base/common/async.ts#L1257))
    at Tt.onTimeout ([./src/vs/base/common/async.ts:1252:8](https://github.com/microsoft/vscode/blob/08d4889f9ec4a1685d257b9b95de036c8e1ce1e5/src/vs/base/common/async.ts#L1252))

Raw Stack Trace (minified)

````
TypeError: Cannot read properties of undefined (reading 'scheme') at sH (out/vs/workbench/workbench.desktop.main.js:1029:4705) at m3._notifyAction (out/vs/workbench/workbench.desktop.main.js:3474:18173) at m3._notifySessionAction (out/vs/workbench/workbench.desktop.main.js:3474:18033) at Tt.runner (out/vs/workbench/workbench.desktop.main.js:3474:15652) at Tt.doRun (out/vs/workbench/workbench.desktop.main.js:434:81723) at Tt.onTimeout (out/vs/workbench/workbench.desktop.main.js:434:81694)
````

## Details
| Property | Value |
| --- | --- |
| Bucket ID | [`9a913449-f58c-2bba-e50c-f3c9305cb614`](https://errors.code.visualstudio.com/bucket/9a913449-f58c-2bba-e50c-f3c9305cb614?product=VSCode&extension=core&commit=08d4889f9ec4a1685d257b9b95de036c8e1ce1e5) |
| Version | 1.135.0 |
| Commit | [`08d4889f`](https://insiders.vscode.dev/github/microsoft/vscode/tree/08d4889f9ec4a1685d257b9b95de036c8e1ce1e5) |
| Last Seen | Thu Aug 27 2026 23:53:25 GMT+0000 (Coordinated Universal Time) |
| Platforms | Windows, Mac, Linux |
| Product | VSCode |

---
*This issue was automatically created from the VS Code Errors Dashboard*