test: add unit and e2e tests for bulk user creation and schema validation

adminfront/src/features/users/components/UserBulkUploadModal.tsx

@@ -14,6 +14,7 @@ import {
 import { ScrollArea } from "../../../components/ui/scroll-area";
 import { bulkCreateUsers, type BulkUserItem, type BulkUserResult } from "../../../lib/adminApi";
 import { t } from "../../../lib/i18n";
+import { parseUserCSV } from "../utils/csvParser";
 
 interface UserBulkUploadModalProps {
   onSuccess?: () => void;
@@ -48,40 +49,7 @@ export function UserBulkUploadModal({ onSuccess }: UserBulkUploadModalProps) {
     const reader = new FileReader();
     reader.onload = (e) => {
       const text = e.target?.result as string;
-      const lines = text.split(/\r?\n/);
-      if (lines.length < 2) {
-        setParsing(false);
-        return;
-      }
-
-
-      const headers = lines[0].split(",").map(h => h.trim().toLowerCase());
-      const data: BulkUserItem[] = [];
-
-      for (let i = 1; i < lines.length; i++) {
-        if (!lines[i].trim()) continue;
-        
-        // Simple CSV split (doesn't handle commas in quotes, but enough for basic template)
-        const values = lines[i].split(",").map(v => v.trim());
-        const item: any = { metadata: {} };
-        
-        headers.forEach((header, index) => {
-          const value = values[index];
-          if (!value) return;
-
-          if (["email", "name", "phone", "role", "companycode", "department"].includes(header)) {
-            const key = header === "companycode" ? "companyCode" : header;
-            item[key] = value;
-          } else {
-            item.metadata[header] = value;
-          }
-        });
-
-        if (item.email && item.name) {
-          data.push(item as BulkUserItem);
-        }
-      }
-
+      const data = parseUserCSV(text);
       setPreviewData(data);
       setParsing(false);
     };