feat: complete admin panel and backend admin api migration

apps/admin-panel/src/utils/index.ts

@@ -0,0 +1,19 @@
+// Ported from legacy henza_admin/src/utils/index.js
+//
+// Legacy:
+//   export function isBranch(){
+//     console.log(process.env.NODE_ENV)
+//     return process.env.NODE_ENV=='branch'
+//   }
+//
+// Vite has no process.env at runtime; the equivalent build-time switch is the
+// --mode flag, exposed as import.meta.env.MODE. Run `pnpm dev:branch` for branch mode.
+// The legacy console.log is intentionally not carried over (debug noise, no behaviour).
+export function isBranch(): boolean {
+  return import.meta.env.MODE === 'branch';
+}
+
+// Legacy stored the token under a different localStorage key per mode.
+// See henza_admin/src/axios.js:6 and router.js:173-174,188.
+export const tokenName = isBranch() ? 'branch_token' : 'token';
+export const userName = isBranch() ? 'branch_user' : 'user';