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/CodexFormFields.tsx

@@ -15,6 +15,8 @@ interface CodexFormFieldsProps {
   category?: ProviderCategory;
   shouldShowApiKeyLink: boolean;
   websiteUrl: string;
+  isPartner?: boolean;
+  partnerPromotionKey?: string;
 
   // Base URL
   shouldShowSpeedTest: boolean;
@@ -35,6 +37,8 @@ export function CodexFormFields({
   category,
   shouldShowApiKeyLink,
   websiteUrl,
+  isPartner,
+  partnerPromotionKey,
   shouldShowSpeedTest,
   codexBaseUrl,
   onBaseUrlChange,
@@ -56,6 +60,8 @@ export function CodexFormFields({
         category={category}
         shouldShowLink={shouldShowApiKeyLink}
         websiteUrl={websiteUrl}
+        isPartner={isPartner}
+        partnerPromotionKey={partnerPromotionKey}
         placeholder={{
           official: t("providerForm.codexOfficialNoApiKey", {
             defaultValue: "官方供应商无需 API Key",