feat: add partner promotion feature for Zhipu GLM

- Add isPartner and partnerPromotionKey fields to Provider and ProviderPreset types
- Display gold star badge on partner presets in selector
- Show promotional message in API Key section for partners
- Configure Zhipu GLM as official partner with 10% discount promotion
- Support both Claude and Codex provider presets
- Add i18n support for partner promotion messages (zh/en)

src/components/providers/forms/shared/ApiKeySection.tsx

@@ -15,6 +15,8 @@ interface ApiKeySectionProps {
     thirdParty: string;
   };
   disabled?: boolean;
+  isPartner?: boolean;
+  partnerPromotionKey?: string;
 }
 
 export function ApiKeySection({
@@ -27,6 +29,8 @@ export function ApiKeySection({
   websiteUrl,
   placeholder,
   disabled,
+  isPartner,
+  partnerPromotionKey,
 }: ApiKeySectionProps) {
   const { t } = useTranslation();
 
@@ -57,7 +61,7 @@ export function ApiKeySection({
       />
       {/* API Key 获取链接 */}
       {shouldShowLink && websiteUrl && (
-        <div className="-mt-1 pl-1">
+        <div className="space-y-2 -mt-1 pl-1">
           <a
             href={websiteUrl}
             target="_blank"
@@ -68,6 +72,18 @@ export function ApiKeySection({
               defaultValue: "获取 API Key",
             })}
           </a>
+
+          {/* 合作伙伴促销信息 */}
+          {isPartner && partnerPromotionKey && (
+            <div className="rounded-md bg-blue-50 dark:bg-blue-950/30 p-2.5 border border-blue-200 dark:border-blue-800">
+              <p className="text-xs leading-relaxed text-blue-700 dark:text-blue-300">
+                💡{" "}
+                {t(`providerForm.partnerPromotion.${partnerPromotionKey}`, {
+                  defaultValue: "",
+                })}
+              </p>
+            </div>
+          )}
         </div>
       )}
     </div>