fix: default vite base to / for Vercel

  compatibility

Author: lambasu

vite.config.js

@@ -3,10 +3,11 @@ import react from '@vitejs/plugin-react'
 
 // https://vite.dev/config/
 //
-// `base` must match the path the site is served from. On GitHub Pages that's
-// `/<repo-name>/`. The Pages deploy workflow sets VITE_BASE to the correct
-// value so renames of the repo don't silently break asset URLs.
+// `base` must match the path the site is served from.
+// - Vercel (and local dev): served from `/`, so base defaults to `/`
+// - GitHub Pages: served from `/<repo-name>/`. The Pages deploy workflow sets
+//   VITE_BASE to the correct value so renames don't silently break asset URLs.
 export default defineConfig(({ command }) => ({
   plugins: [react()],
-  base: command === 'build' ? (process.env.VITE_BASE || '/teams-shell/') : '/',
+  base: command === 'build' ? (process.env.VITE_BASE || '/') : '/',
 }))