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/ProviderPresetSelector.tsx

@@ -1,7 +1,7 @@
 import { useTranslation } from "react-i18next";
 import { FormLabel } from "@/components/ui/form";
 import { ClaudeIcon, CodexIcon } from "@/components/BrandIcons";
-import { Zap } from "lucide-react";
+import { Zap, Star } from "lucide-react";
 import type { ProviderPreset } from "@/config/claudeProviderPresets";
 import type { CodexProviderPreset } from "@/config/codexProviderPresets";
 import type { ProviderCategory } from "@/types";
@@ -157,12 +157,13 @@ export function ProviderPresetSelector({
           if (!entries || entries.length === 0) return null;
           return entries.map((entry) => {
             const isSelected = selectedPresetId === entry.id;
+            const isPartner = entry.preset.isPartner;
             return (
               <button
                 key={entry.id}
                 type="button"
                 onClick={() => onPresetChange(entry.id)}
-                className={getPresetButtonClass(isSelected, entry.preset)}
+                className={`${getPresetButtonClass(isSelected, entry.preset)} relative`}
                 style={getPresetButtonStyle(isSelected, entry.preset)}
                 title={
                   presetCategoryLabels[category] ??
@@ -173,6 +174,11 @@ export function ProviderPresetSelector({
               >
                 {renderPresetIcon(entry.preset)}
                 {entry.preset.name}
+                {isPartner && (
+                  <span className="absolute -top-1 -right-1 flex items-center gap-0.5 rounded-full bg-gradient-to-r from-amber-500 to-yellow-500 px-1.5 py-0.5 text-[10px] font-bold text-white shadow-md">
+                    <Star className="h-2.5 w-2.5 fill-current" />
+                  </span>
+                )}
               </button>
             );
           });