feat(admin): Add global admin functionality: backend admin APIs, model fields and UI integration

ts_web/states/accountstate.ts

@@ -46,6 +46,11 @@ export const getOrganizationsAction = accountState.createAction<void>(
     const response = await idpState.idpClient.getRolesAndOrganizations();
     currentState.organizations = response.organizations;
     currentState.roles = response.roles;
+    // Also fetch user data for admin checks
+    const whoIsResponse = await idpState.idpClient.whoIs().catch(() => null);
+    if (whoIsResponse?.user) {
+      currentState.user = whoIsResponse.user;
+    }
     return currentState;
   }
 );