feat: add X-Code partner provider preset for Claude, Codex and OpenCode

- Add X-Code provider presets with x-code.cn endpoint
- Fix ANTHROPIC_API_KEY to ANTHROPIC_AUTH_TOKEN in Claude preset
- Register x-code icon SVG in icon index
- Add partnerPromotion.x-code i18n keys for zh, en, ja locales

src/config/claudeProviderPresets.ts

@@ -589,6 +589,22 @@ export const providerPresets: ProviderPreset[] = [
     icon: "micu",
     iconColor: "#000000",
   },
+  {
+    name: "X-Code",
+    websiteUrl: "https://www.x-code.cn",
+    apiKeyUrl: "https://www.x-code.cn",
+    settingsConfig: {
+      env: {
+        ANTHROPIC_BASE_URL: "https://www.x-code.cn",
+        ANTHROPIC_AUTH_TOKEN: "",
+      },
+    },
+    category: "third_party",
+    isPartner: true, // 合作伙伴
+    partnerPromotionKey: "x-code", // 促销信息 i18n key
+    icon: "x-code",
+    iconColor: "#000000",
+  },
   {
     name: "OpenRouter",
     websiteUrl: "https://openrouter.ai",

src/config/codexProviderPresets.ts

@@ -314,6 +314,23 @@ requires_openai_auth = true`,
     icon: "micu",
     iconColor: "#000000",
   },
+  {
+    name: "X-Code",
+    websiteUrl: "https://www.x-code.cn",
+    apiKeyUrl: "https://www.x-code.cn",
+    auth: generateThirdPartyAuth(""),
+    config: generateThirdPartyConfig(
+      "x-code",
+      "https://www.x-code.cn/v1",
+      "gpt-5.4",
+    ),
+    endpointCandidates: ["https://www.x-code.cn/v1"],
+    category: "third_party",
+    isPartner: true, // 合作伙伴
+    partnerPromotionKey: "x-code", // 促销信息 i18n key
+    icon: "x-code",
+    iconColor: "#000000",
+  },
   {
     name: "OpenRouter",
     websiteUrl: "https://openrouter.ai",

src/config/opencodeProviderPresets.ts

@@ -1275,6 +1275,35 @@ export const opencodeProviderPresets: OpenCodeProviderPreset[] = [
       },
     },
   },
+  {
+    name: "X-Code",
+    websiteUrl: "https://www.x-code.cn",
+    apiKeyUrl: "https://www.x-code.cn",
+    settingsConfig: {
+      npm: "@ai-sdk/anthropic",
+      name: "X-Code",
+      options: {
+        baseURL: "https://www.x-code.cn/v1",
+        apiKey: "",
+      },
+      models: {
+        "claude-opus-4-6": { name: "Claude Opus 4.6" },
+        "claude-sonnet-4-6": { name: "Claude Sonnet 4.6" },
+      },
+    },
+    category: "third_party",
+    isPartner: true,
+    partnerPromotionKey: "x-code",
+    icon: "x-code",
+    iconColor: "#000000",
+    templateValues: {
+      apiKey: {
+        label: "API Key",
+        placeholder: "",
+        editorValue: "",
+      },
+    },
+  },
   {
     name: "AWS Bedrock",
     websiteUrl: "https://aws.amazon.com/bedrock/",