feat: display official subscription quota on Claude provider cards

Read Claude OAuth credentials from macOS Keychain (with file fallback)
and query the Anthropic usage API to show quota utilization inline on
official provider cards. Includes compact countdown timer for reset
windows and hides the rarely-used seven_day_sonnet tier in inline mode.

src/components/providers/ProviderCard.tsx

@@ -11,6 +11,7 @@ import { cn } from "@/lib/utils";
 import { ProviderActions } from "@/components/providers/ProviderActions";
 import { ProviderIcon } from "@/components/ProviderIcon";
 import UsageFooter from "@/components/UsageFooter";
+import SubscriptionQuotaFooter from "@/components/SubscriptionQuotaFooter";
 import { ProviderHealthBadge } from "@/components/providers/ProviderHealthBadge";
 import { FailoverPriorityBadge } from "@/components/providers/FailoverPriorityBadge";
 import { extractCodexBaseUrl } from "@/utils/providerConfigUtils";
@@ -55,6 +56,14 @@ interface ProviderCardProps {
   onSetAsDefault?: () => void;
 }
 
+/** 判断是否为官方供应商（无自定义 base URL，直连官方 API） */
+function isOfficialProvider(provider: Provider, appId: AppId): boolean {
+  if (appId !== "claude") return false;
+  const baseUrl = (provider.settingsConfig as Record<string, any>)?.env
+    ?.ANTHROPIC_BASE_URL;
+  return !baseUrl || (typeof baseUrl === "string" && baseUrl.trim() === "");
+}
+
 const extractApiUrl = (provider: Provider, fallbackText: string) => {
   if (provider.notes?.trim()) {
     return provider.notes.trim();
@@ -146,6 +155,7 @@ export function ProviderCard({
   }, [provider.notes, displayUrl, fallbackUrlText]);
 
   const usageEnabled = provider.meta?.usage_script?.enabled ?? false;
+  const isOfficial = isOfficialProvider(provider, appId);
 
   // 获取用量数据以判断是否有多套餐
   // 累加模式应用（OpenCode/OpenClaw）：使用 isInConfig 代替 isCurrent
@@ -342,7 +352,9 @@ export function ProviderCard({
         >
           <div className="ml-auto">
             <div className="flex items-center gap-1 transition-transform duration-200 group-hover:-translate-x-[var(--actions-width)] group-focus-within:-translate-x-[var(--actions-width)]">
-              {hasMultiplePlans ? (
+              {isOfficial ? (
+                <SubscriptionQuotaFooter appId={appId} inline={true} />
+              ) : hasMultiplePlans ? (
                 <div className="flex items-center gap-2 text-xs text-gray-600 dark:text-gray-400">
                   <span className="font-medium">
                     {t("usage.multiplePlans", {