chore(presets): update DouBaoSeed endpoint, links, and add as partner

Switch Anthropic-format base URL from /api/coding to /api/compatible,
update website/apiKey URLs to Volcengine console with tracking params,
and promote DouBaoSeed to partner with trilingual promotion text.

src/config/opencodeProviderPresets.ts

@@ -785,8 +785,10 @@ export const opencodeProviderPresets: OpenCodeProviderPreset[] = [
   },
   {
     name: "DouBaoSeed",
-    websiteUrl: "https://www.volcengine.com/product/doubao",
-    apiKeyUrl: "https://www.volcengine.com/product/doubao",
+    websiteUrl:
+      "https://console.volcengine.com/ark/region:ark+cn-beijing/apiKey?apikey=%7B%7D&utm_campaign=hw&utm_content=ccswitch&utm_medium=devrel_tool_web&utm_source=OWO&utm_term=ccswitch",
+    apiKeyUrl:
+      "https://console.volcengine.com/ark/region:ark+cn-beijing/apiKey?apikey=%7B%7D&utm_campaign=hw&utm_content=ccswitch&utm_medium=devrel_tool_web&utm_source=OWO&utm_term=ccswitch",
     settingsConfig: {
       npm: "@ai-sdk/openai-compatible",
       name: "DouBaoSeed",
@@ -802,6 +804,8 @@ export const opencodeProviderPresets: OpenCodeProviderPreset[] = [
       },
     },
     category: "cn_official",
+    isPartner: true,
+    partnerPromotionKey: "doubaoseed",
     icon: "doubao",
     iconColor: "#3370FF",
     templateValues: {