feat(opencode): add API key link support for OpenCode provider form

Enable API key link feature for OpenCode app, allowing users to access
provider websites for key registration directly from the form.

src/components/providers/forms/ProviderForm.tsx

@@ -1010,6 +1010,20 @@ export function ProviderForm({
     formWebsiteUrl: form.watch("websiteUrl") || "",
   });
 
+  // 使用 API Key 链接 hook (OpenCode)
+  const {
+    shouldShowApiKeyLink: shouldShowOpencodeApiKeyLink,
+    websiteUrl: opencodeWebsiteUrl,
+    isPartner: isOpencodePartner,
+    partnerPromotionKey: opencodePartnerPromotionKey,
+  } = useApiKeyLink({
+    appId: "opencode",
+    category,
+    selectedPresetId,
+    presetEntries,
+    formWebsiteUrl: form.watch("websiteUrl") || "",
+  });
+
   // 使用端点测速候选 hook
   const speedTestEndpoints = useSpeedTestEndpoints({
     appId,
@@ -1341,8 +1355,10 @@ export function ProviderForm({
             apiKey={opencodeApiKey}
             onApiKeyChange={handleOpencodeApiKeyChange}
             category={category}
-            shouldShowApiKeyLink={false}
-            websiteUrl=""
+            shouldShowApiKeyLink={shouldShowOpencodeApiKeyLink}
+            websiteUrl={opencodeWebsiteUrl}
+            isPartner={isOpencodePartner}
+            partnerPromotionKey={opencodePartnerPromotionKey}
             baseUrl={opencodeBaseUrl}
             onBaseUrlChange={handleOpencodeBaseUrlChange}
             models={opencodeModels}