Fix: WebUI Auth & Tauri Auth

src/lib/platform-adapters/tauri/adapter.ts

@@ -3,6 +3,7 @@ import { getCurrentWindow }                                from '@tauri-apps/api
 import { listen }                                          from '@tauri-apps/api/event'
 import { open }                                            from '@tauri-apps/plugin-dialog'
 import { readFile, writeFile }                             from '@tauri-apps/plugin-fs'
+import { fetch as tauriFetch }                             from '@tauri-apps/plugin-http'
 import { open as openUrl }                                 from '@tauri-apps/plugin-shell'
 import { getVersion }                                      from '@tauri-apps/api/app'
 import { connect, disconnect, setActivity, clearActivity } from 'tauri-plugin-discord-rpc-api'
@@ -116,6 +117,12 @@ export class TauriAdapter implements PlatformAdapter {
     return invoke('get_auto_backup_dir')
   }
 
+  async fetchImage(url: string, headers: Record<string, string>): Promise<Blob> {
+    const res = await tauriFetch(url, { method: 'GET', headers })
+    if (!res.ok) throw new Error(`${res.status}`)
+    return res.blob()
+  }
+
   async launchServer(config: ServerLaunchConfig): Promise<void> {
     await invoke('spawn_server', {
       binary:       config.binary      ?? '',