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/config/codexProviderPresets.ts

@@ -12,6 +12,8 @@ export interface CodexProviderPreset {
   auth: Record<string, any>; // 将写入 ~/.codex/auth.json
   config: string; // 将写入 ~/.codex/config.toml（TOML 字符串）
   isOfficial?: boolean; // 标识是否为官方预设
+  isPartner?: boolean; // 标识是否为商业合作伙伴
+  partnerPromotionKey?: string; // 合作伙伴促销信息的 i18n key
   category?: ProviderCategory; // 新增：分类
   isCustomTemplate?: boolean; // 标识是否为自定义模板
   // 新增：请求地址候选列表（用于地址管理/测速）