Files
| Method | Path | Description |
|---|---|---|
| GET | /api/projects/{id}/chat-sessions/{sessionId}/preview/files | The file tree in the sandbox. |
| GET | /api/projects/{id}/chat-sessions/{sessionId}/preview/files/content?path= | Read a file. |
| PUT | /api/projects/{id}/chat-sessions/{sessionId}/preview/files/content | Write a file and broadcast the change to watchers. |