Fix new Frontend 4

frontend/vite-env.d.ts

@@ -0,0 +1,20 @@
+/// <reference types="vite/client" />
+
+interface ImportMetaEnv {
+  readonly VITE_API_URL: string
+  readonly VITE_API_TIMEOUT: string
+  readonly VITE_API_RETRIES: string
+  readonly VITE_API_RETRY_DELAY: string
+  readonly VITE_API_LOGGING: string
+  readonly VITE_API_CACHING: string
+  readonly VITE_API_CACHE_TIMEOUT: string
+  readonly VITE_ENABLE_WEBSOCKETS: string
+  readonly VITE_ENABLE_OFFLINE: string
+  readonly VITE_ENABLE_OPTIMISTIC_UPDATES: string
+  readonly VITE_ENABLE_DEDUPLICATION: string
+  readonly VITE_ENABLE_METRICS: string
+}
+
+interface ImportMeta {
+  readonly env: ImportMetaEnv
+}