fix(frontend): 优化 OAuth 身份徽章优先级并避免 Kiro 订阅标签重复

- getOAuthOrgBadge 优先展示 organization id, 其次回落到 account_id 或 account_user_id, 不再使用 account_name 作为徽章文案
- Kiro provider 的订阅标签仅在与 OAuth plan 标签不一致时显示, 避免重复徽章
- 补充 getOAuthOrgBadge 的单元测试覆盖组织优先与回落场景

frontend/src/features/providers/components/ProviderDetailDrawer.vue

@@ -315,12 +315,12 @@
                             </Badge>
                             <!-- Kiro 订阅类型标签 -->
                             <Badge
-                              v-if="provider.provider_type === 'kiro' && getKiroSubscriptionTitle(key)"
+                              v-if="shouldShowKiroSubscriptionBadge(key)"
                               variant="outline"
                               class="text-[10px] px-1.5 py-0 shrink-0"
-                              :class="getOAuthPlanTypeClass(formatKiroSubscription(getKiroSubscriptionTitle(key)))"
+                              :class="getOAuthPlanTypeClass(getKiroSubscriptionBadgeLabel(key))"
                             >
-                              {{ formatKiroSubscription(getKiroSubscriptionTitle(key)) }}
+                              {{ getKiroSubscriptionBadgeLabel(key) }}
                             </Badge>
                           </div>
                           <div class="flex items-center gap-1">
@@ -2074,6 +2074,22 @@ function getKiroSubscriptionTitle(key: EndpointAPIKey): string | undefined {
   return getKiroQuotaDisplay(key)?.subscription_title
 }
 
+function getKiroSubscriptionBadgeLabel(key: EndpointAPIKey): string {
+  return formatKiroSubscription(getKiroSubscriptionTitle(key))
+}
+
+function shouldShowKiroSubscriptionBadge(key: EndpointAPIKey): boolean {
+  if (provider.value?.provider_type !== 'kiro') return false
+
+  const kiroLabel = getKiroSubscriptionBadgeLabel(key)
+  if (!kiroLabel) return false
+
+  const oauthPlanLabel = formatOAuthPlanType(key.oauth_plan_type)
+  if (!oauthPlanLabel) return true
+
+  return oauthPlanLabel.trim().toLowerCase() !== kiroLabel.trim().toLowerCase()
+}
+
 function shouldAutoRefreshCodexQuota(): boolean {
   if (provider.value?.provider_type !== 'codex') return false
   const now = Math.floor(Date.now() / 1000)