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/icons/extracted/index.ts

@@ -4,6 +4,7 @@
 import _eflowcode from "./eflowcode.png";
 import _hermes from "./hermes.png";
 import _lemondata from "./lemondata.png";
+import _pateway from "./pateway.jpg";
 import _pipellm from "./pipellm.png";
 import _shengsuanyun from "./shengsuanyun.svg?url";
 
@@ -83,6 +84,7 @@ export const iconUrls: Record<string, string> = {
   eflowcode: _eflowcode,
   hermes: _hermes,
   lemondata: _lemondata,
+  pateway: _pateway,
   pipellm: _pipellm,
   shengsuanyun: _shengsuanyun,
 };

src/icons/extracted/metadata.ts

@@ -282,6 +282,12 @@ export const iconMetadata: Record<string, IconMetadata> = {
     keywords: ["packycode", "packy", "packyapi"],
     defaultColor: "currentColor",
   },
+  pateway: {
+    name: "pateway",
+    displayName: "PatewayAI",
+    category: "ai-provider",
+    keywords: ["pateway", "patewayai", "claude", "codex"],
+  },
   palm: {
     name: "palm",
     displayName: "palm",