feat: 完善多云资产与腾讯云账单同步

- 接入 AWS、腾讯云、华为云和 Azure 区域及主机发现
- 接入腾讯云账单分页、限流与组件费用汇总
- 批量账单仅同步已支持厂商并优化云账号操作

frontend/src/components/cloud/CloudAccountManager.tsx

@@ -50,6 +50,17 @@ function getProviderLabels(t: (key: string) => string): Record<string, string> {
   };
 }
 
+// getCredentialHints 按厂商提示凭据格式，Azure 使用服务主体三段标识。 // Logan.Li
+function getCredentialHints(provider: string) {
+  if (provider === 'azure') {
+    return { accessKey: '租户ID:订阅ID:客户端ID', secretKey: '客户端密钥' };
+  }
+  if (provider === 'aws') return { accessKey: 'AKIA...', secretKey: 'AWS Secret Access Key' };
+  if (provider === 'tencent') return { accessKey: '腾讯云 SecretId', secretKey: '腾讯云 SecretKey' };
+  if (provider === 'huawei') return { accessKey: '华为云 Access Key', secretKey: '华为云 Secret Access Key' };
+  return { accessKey: 'LTAI...', secretKey: '阿里云 AccessKey Secret' };
+}
+
 export function CloudAccountManager() {
   const { t } = useTranslation();
   const [accounts, setAccounts] = useState<JsonData[]>([]);
@@ -76,6 +87,7 @@ export function CloudAccountManager() {
   const [actionLoading, setActionLoading] = useState<Record<string, string>>({});
 
   const providerLabels = getProviderLabels(t);
+  const credentialHints = getCredentialHints(formData.provider);
 
   const setCardAction = (accountId: string | number, action: string | null) => {
     setActionLoading((prev) => {
@@ -475,11 +487,11 @@ export function CloudAccountManager() {
 
             <div className="space-y-1.5">
               <Label>
-                AccessKey
+                {formData.provider === 'azure' ? 'Azure 标识' : 'AccessKey'}
                 {editingAccount && <span className="text-xs dg-text-muted ml-2">{t('cloud.keepBlank')}</span>}
               </Label>
               <Input
-                placeholder="LTAI..."
+                placeholder={credentialHints.accessKey}
                 value={formData.access_key}
                 onChange={(e) => setFormData({ ...formData, access_key: e.target.value })}
                 className="dg-input font-mono text-sm"
@@ -488,18 +500,22 @@ export function CloudAccountManager() {
 
             <div className="space-y-1.5">
               <Label>
-                SecretKey
+                {formData.provider === 'azure' ? 'Azure 客户端密钥' : 'SecretKey'}
                 {editingAccount && <span className="text-xs dg-text-muted ml-2">{t('cloud.keepBlank')}</span>}
               </Label>
               <Input
                 type="password"
-                placeholder="••••••••"
+                placeholder={credentialHints.secretKey}
                 value={formData.secret_key}
                 onChange={(e) => setFormData({ ...formData, secret_key: e.target.value })}
                 className="dg-input font-mono text-sm"
               />
             </div>
 
+            {formData.provider === 'azure' && (
+              <p className="text-xs dg-text-muted">Azure 同步使用服务主体：标识填写“租户ID:订阅ID:客户端ID”，密钥填写客户端密钥。</p>
+            )}
+
             <div className="grid grid-cols-2 gap-4">
               <div className="space-y-1.5">
                 <Label>{t('cloud.monthlyFeeUnit')}</Label>

frontend/src/components/server/CloudServerImport.tsx

@@ -294,7 +294,6 @@ export function CloudServerImport({ open, onClose, initialAccountId }: CloudServ
     { id: 1, title: t('server.cloudProvider'), icon: Cloud },
     { id: 2, title: t('server.cloudAccount'), icon: Key },
     { id: 3, title: t('server.selectRegion'), icon: MapPin },
-    { id: 4, title: t('server.importConfirm'), icon: CheckCircle },
   ];
 
   return (