fix(web): upgrade vite and restore devfront build

- switch adminfront and devfront to vite 8
- fix devfront TypeScript baseline build errors
- require Node.js 24 LTS or newer in package metadata and docs

Co-Authored-By: First Fluke <our.first.fluke@gmail.com>

devfront/src/features/auth/authApi.ts

@@ -13,7 +13,6 @@ export interface UserProfile {
   name: string;
   phone?: string;
   role: string;
-  phone?: string;
   companyCode?: string;
   tenantId?: string;
   tenant?: Tenant;