feat(presets): add ClaudeCN provider presets

Add ClaudeCN as a new partner provider with support for:
- Claude Code preset (Anthropic native protocol)
- Codex preset (gpt-5.5 model)
- Claude Desktop preset (direct mode with passthrough routes)
- OpenCode preset (@ai-sdk/anthropic)
- OpenClaw preset (anthropic-messages protocol)
- Hermes preset (anthropic_messages mode)
- Icon configuration (claudecn.png)
- i18n support (zh/en/ja) with enterprise service promotion

ClaudeCN is an enterprise-grade AI gateway operated by a registered
company, supporting enterprise procurement processes with corporate
payments, contracts, and compliance guarantees.

src/config/codexProviderPresets.ts

@@ -186,6 +186,21 @@ requires_openai_auth = true`,
     partnerPromotionKey: "patewayai",
     icon: "pateway",
   },
+  {
+    name: "ClaudeCN",
+    websiteUrl: "https://claudecn.top",
+    apiKeyUrl: "https://claudecn.top/register?aff=ccswitch",
+    category: "third_party",
+    auth: generateThirdPartyAuth(""),
+    config: generateThirdPartyConfig(
+      "claudecn",
+      "https://claudecn.top/v1",
+      "gpt-5.5",
+    ),
+    isPartner: true,
+    partnerPromotionKey: "claudecn",
+    icon: "claudecn",
+  },
   {
     name: "Cubence",
     websiteUrl: "https://cubence.com",