feat(presets): add 火山Agentplan provider preset as partner

Add Volcengine Ark Agentplan to Claude, Claude Desktop, Hermes,
OpenCode, and OpenClaw with huoshan icon and trilingual promotion.

src/config/openclawProviderPresets.ts

@@ -627,6 +627,43 @@ export const openclawProviderPresets: OpenClawProviderPreset[] = [
       },
     },
   },
+  {
+    name: "火山Agentplan",
+    websiteUrl:
+      "https://www.volcengine.com/activity/agentplan?utm_campaign=hw&utm_content=ccswitch&utm_medium=devrel_tool_web&utm_source=OWO&utm_term=ccswitch",
+    apiKeyUrl:
+      "https://www.volcengine.com/activity/agentplan?utm_campaign=hw&utm_content=ccswitch&utm_medium=devrel_tool_web&utm_source=OWO&utm_term=ccswitch",
+    settingsConfig: {
+      baseUrl: "https://ark.cn-beijing.volces.com/api/coding/v3",
+      apiKey: "",
+      api: "openai-completions",
+      models: [
+        {
+          id: "ark-code-latest",
+          name: "Ark Code Latest",
+          contextWindow: 128000,
+        },
+      ],
+    },
+    category: "cn_official",
+    isPartner: true,
+    partnerPromotionKey: "volcengine_agentplan",
+    icon: "huoshan",
+    iconColor: "#3370FF",
+    templateValues: {
+      apiKey: {
+        label: "API Key",
+        placeholder: "",
+        editorValue: "",
+      },
+    },
+    suggestedDefaults: {
+      model: { primary: "ark_agentplan/ark-code-latest" },
+      modelCatalog: {
+        "ark_agentplan/ark-code-latest": { alias: "Ark Code" },
+      },
+    },
+  },
   {
     name: "BaiLing",
     websiteUrl: "https://alipaytbox.yuque.com/sxs0ba/ling/get_started",