feat(desktop): add WSL backend mode (#12914)

packages/app/src/context/platform.tsx

@@ -57,6 +57,12 @@ export type Platform = {
   /** Set the default server URL to use on app startup (platform-specific) */
   setDefaultServerUrl?(url: string | null): Promise<void> | void
 
+  /** Get the configured WSL integration (desktop only) */
+  getWslEnabled?(): Promise<boolean>
+
+  /** Set the configured WSL integration (desktop only) */
+  setWslEnabled?(config: boolean): Promise<void> | void
+
   /** Get the preferred display backend (desktop only) */
   getDisplayBackend?(): Promise<DisplayBackend | null> | DisplayBackend | null