feat(presets): add PatewayAI provider presets

Add PatewayAI as a new partner provider with support for:
- Claude Code preset (using ANTHROPIC_API_KEY field)
- Codex preset (gpt-5.5 model)
- Claude Desktop preset (proxy mode with passthrough routes)
- Icon configuration (pateway.jpg)
- i18n support (zh/en/ja) with $3 registration bonus promotion

PatewayAI provides reliable API routing services for Claude Code,
Codex, and Gemini models.

src/config/claudeDesktopProviderPresets.ts

@@ -503,6 +503,19 @@ export const claudeDesktopProviderPresets: ClaudeDesktopProviderPreset[] = [
     partnerPromotionKey: "packycode",
     icon: "packycode",
   },
+  {
+    name: "PatewayAI",
+    websiteUrl: "https://pateway.ai",
+    apiKeyUrl: "https://pateway.ai/?ch=etzpm8&aff=WB6M6F67#/",
+    category: "third_party",
+    baseUrl: "https://api.pateway.ai",
+    mode: "proxy",
+    apiFormat: "anthropic",
+    modelRoutes: passthroughRoutes(),
+    isPartner: true,
+    partnerPromotionKey: "patewayai",
+    icon: "pateway",
+  },
   {
     name: "Cubence",
     websiteUrl: "https://cubence.com",