fix(usage): improve DeepSeek credit balance display

Display DeepSeek prepaid balances as credit with currency instead of a 0/total quota bar, and mark balance items as isCreditBalance.

src/app/(dashboard)/dashboard/usage/components/ProviderLimits/QuotaTable.js

@@ -151,7 +151,10 @@ export default function QuotaTable({
       <div className="space-y-px">
         {currentPageRows.map((quota) => {
           const isUnlimited = quota.unlimited === true;
-          const colors = getColorClasses(quota.remaining);
+          const isCreditBalance = quota.isCreditBalance === true;
+          const colors = isCreditBalance
+            ? { text: "text-blue-600 dark:text-blue-400", bg: "bg-blue-500", bgLight: "bg-blue-500/10", emoji: "💰" }
+            : getColorClasses(quota.remaining);
           const countdown = formatResetTime(quota.resetAt);
           const resetDisplay = formatResetTimeDisplay(quota.resetAt);
           // recurring defaults true: a missing flag means the quota
@@ -175,7 +178,7 @@ export default function QuotaTable({
 
               {/* Progress + used/total */}
               <div className={`min-w-0 flex-1 ${compact ? "space-y-1" : "space-y-1.5"}`}>
-                {!isUnlimited && (
+                {!isUnlimited && !isCreditBalance && (
                 <div className={`${compact ? "h-1" : "h-1.5"} rounded-full overflow-hidden border ${colors.bgLight} ${
                   quota.remaining === 0 ? "border-black/10 dark:border-white/10" : "border-transparent"
                 }`}>
@@ -192,15 +195,19 @@ export default function QuotaTable({
                     title={
                       isUnlimited
                         ? `${quota.used.toLocaleString()} used · Unlimited`
+                        : isCreditBalance
+                        ? `Credit balance: ${quota.total.toFixed(2)} ${quota.currency || ""}`
                         : `${quota.used.toLocaleString()} / ${quota.total > 0 ? quota.total.toLocaleString() : "∞"}`
                     }
                   >
                     {isUnlimited
                       ? `${quota.used.toLocaleString()} used · Unlimited`
+                      : isCreditBalance
+                      ? `Credit: ${quota.total.toFixed(2)} ${quota.currency || ""}`
                       : `${quota.used.toLocaleString()} / ${quota.total > 0 ? quota.total.toLocaleString() : "∞"}`}
                   </span>
-                  <span className={`font-medium ${isUnlimited ? "text-green-600 dark:text-green-400" : colors.text} shrink-0`}>
-                    {isUnlimited ? "Unlimited" : `${quota.remaining}%`}
+                  <span className={`font-medium ${isUnlimited ? "text-green-600 dark:text-green-400" : isCreditBalance ? "text-blue-600 dark:text-blue-400" : colors.text} shrink-0`}>
+                    {isUnlimited ? "Unlimited" : isCreditBalance ? "" : `${quota.remaining}%`}
                   </span>
                 </div>
               </div>

src/app/(dashboard)/dashboard/usage/components/ProviderLimits/utils.js

@@ -609,6 +609,8 @@ export function parseQuotaData(provider, data) {
               total: quota.total || 0,
               resetAt: quota.resetAt || null,
               remainingPercentage: quota.remainingPercentage,
+              isCreditBalance: quota.isCreditBalance ?? true,
+              currency: quota.currency || (name.includes("(") ? name.slice(name.indexOf("(") + 1, name.indexOf(")")) : "USD"),
             });
           });
         }