v0.6.3: 添加默认供应商支持

- 新增 StepFun Plan 套餐预设
- 供应商编辑页 API Key 下方添加获取 Key 链接（支持推广链接）
- 修复链接无法打开浏览器的问题（Rust open_external_url）
- 无推广链接时回退打开官网
- 必填字段（供应商名称/API Key/请求地址）添加红色 * 标注
- 用户自定义预设方案文档

src/components/ProviderEdit.tsx

@@ -3,6 +3,7 @@ import { createPortal } from "react-dom";
 import { invoke } from "@tauri-apps/api/core";
 import { useTranslation } from "../i18n";
 import type { TranslationKey } from "../i18n/zh";
+import { findPresetForProvider } from "../config/providerPresets";
 import { getDefaultMaxContextSize } from "../lib/model-defaults";
 import { capabilitiesFromRef, getModelRef } from "../lib/models-dev";
 import { getIconMetadata } from "../icons/extracted/metadata";
@@ -117,6 +118,10 @@ export function ProviderEdit({
   const [showApiKey, setShowApiKey] = useState(false);
   const [showIconPicker, setShowIconPicker] = useState(false);
 
+  // Preset this provider was created from (if any) — provides the
+  // "Get API Key" / referral links shown under the key input.
+  const preset = findPresetForProvider(provider);
+
   useEffect(() => {
     const def = defaultBaseUrl(agent, provider.provider_type);
     if (!def) return;
@@ -215,7 +220,7 @@ export function ProviderEdit({
               <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
                 <div>
                   <label htmlFor={nameId} className="block text-sm text-content-muted mb-1.5">
-                    {t("providerName")}
+                    {t("providerName")} <span className="text-red-500">*</span>
                   </label>
                   <input
                     id={nameId}
@@ -296,7 +301,7 @@ export function ProviderEdit({
                 {!provider.managed && (
                   <div>
                     <label htmlFor={apiKeyId} className="block text-sm text-content-muted mb-1.5">
-                      {t("apiKey")}
+                      {t("apiKey")} <span className="text-red-500">*</span>
                     </label>
                     <div className="relative">
                       <input
@@ -316,12 +321,29 @@ export function ProviderEdit({
                         {showApiKey ? t("hide") : t("show")}
                       </button>
                     </div>
+                    {(() => {
+                      const linkUrl = preset?.apiKeyUrl ?? provider.official_url ?? null;
+                      if (!linkUrl) return null;
+                      return (
+                        <div className="mt-1.5 flex items-center gap-4 text-xs">
+                          <button
+                            type="button"
+                            onClick={() =>
+                              invoke("open_external_url", { url: linkUrl }).catch(() => {})
+                            }
+                            className="text-blue-600 dark:text-blue-400 hover:underline"
+                          >
+                            {preset?.apiKeyUrl ? t("getApiKeyLink") : t("officialUrl")}
+                          </button>
+                        </div>
+                      );
+                    })()}
                   </div>
                 )}
 
                 <div>
                   <label htmlFor={baseUrlId} className="block text-sm text-content-muted mb-1.5">
-                    {t("requestUrl")}
+                    {t("requestUrl")} <span className="text-red-500">*</span>
                   </label>
                   <input
                     id={baseUrlId}

src/config/providerPresets.ts

@@ -48,6 +48,7 @@ export interface ProviderPreset {
   nameKey?: string;
   /** Official website / console URL. */
   websiteUrl?: string;
+  /** Where to create / fetch an API key; shown as a link under the key input. */
   apiKeyUrl?: string;
   /** Category: sorting & badge. */
   category: PresetCategory;
@@ -111,6 +112,7 @@ export const providerPresets: ProviderPreset[] = [
     name: "Kimi For Coding",
     nameKey: "presetNameKimiCoding",
     websiteUrl: "https://www.kimi.com/code",
+    apiKeyUrl: "https://kimi-bot.com/activities/zh-cn/invite/share?scenario=invite&from=share_poster&invitation_code=6UJX7J",
     category: "official",
     providerType: "kimi",
     baseUrl: "https://api.kimi.com/coding/v1",
@@ -248,6 +250,7 @@ export const providerPresets: ProviderPreset[] = [
     name: "MiniMax Token Plan",
     nameKey: "presetNameMinimaxTokenPlan",
     websiteUrl: "https://platform.minimaxi.com",
+    apiKeyUrl: "https://platform.minimaxi.com/subscribe/token-plan?code=GmmZA629b5&source=link",
     category: "cn_official",
     providerType: "openai",
     // Token Plan is sold against the same platform endpoint as the
@@ -274,6 +277,21 @@ export const providerPresets: ProviderPreset[] = [
     billingMode: "pay_as_you_go",
     usageKinds: ["balance:stepfun"],
   },
+  {
+    id: "stepfun-plan",
+    name: "StepFun Plan",
+    nameKey: "presetNameStepfunPlan",
+    websiteUrl: "https://platform.stepfun.com/step-plan",
+    apiKeyUrl: "https://platform.stepfun.com/?invite_code=HSIGHTPS",
+    category: "cn_official",
+    providerType: "openai",
+    // Step Plan endpoint — same host, different path prefix than the
+    // pay-as-you-go API (/v1). Serves both OpenAI and Anthropic protocols.
+    baseUrl: "https://api.stepfun.com/step_plan/v1",
+    icon: "stepfun",
+    models: [{ model: "step-3.7-flash" }, { model: "step-3.5-flash" }],
+    billingMode: "subscription",
+  },
   {
     id: "siliconflow",
     name: "SiliconFlow",
@@ -401,7 +419,7 @@ export const providerPresets: ProviderPreset[] = [
     nameKey: "presetNameOpencodeGo",
     // Referral link — supports the OpenCode project
     websiteUrl: "https://opencode.ai/go?ref=DFCNADQCEM",
-    apiKeyUrl: "https://opencode.ai/zen/",
+    apiKeyUrl: "https://opencode.ai/go?ref=DFCNADQCEM",
     category: "third_party",
     providerType: "openai",
     baseUrl: "https://opencode.ai/zen/go/v1",
@@ -521,6 +539,21 @@ export function presetToProviderAndModels(
   };
 }
 
+/**
+ * Best-effort reverse lookup: which preset (if any) a Provider was created
+ * from. Matches the provider name with any "-2"/"-3" dedup suffix stripped,
+ * falling back to an exact official_url match. Used to surface preset-only
+ * metadata (apiKeyUrl / referralUrl) in the edit form without persisting
+ * extra fields on Provider.
+ */
+export function findPresetForProvider(provider: Provider): ProviderPreset | undefined {
+  const base = provider.name.replace(/-\d+$/, "");
+  return (
+    providerPresets.find((p) => p.id === base) ??
+    providerPresets.find((p) => p.websiteUrl != null && p.websiteUrl === provider.official_url)
+  );
+}
+
 // Dev-only cross-end drift check: assert that every usage kind referenced by
 // any preset is one the Rust `UsageKind` enum knows how to handle. The
 // runtime filter in `query_provider_usage` silently drops unknown kinds,

src/i18n/en.ts

@@ -60,6 +60,7 @@ export const enTranslations: Record<TranslationKey, string> = {
   apiFormat: "API Format",
   authField: "Auth Field",
   apiKey: "API Key",
+  getApiKeyLink: "Get API Key",
   show: "Show",
   hide: "Hide",
   requestUrl: "Request URL",
@@ -349,6 +350,7 @@ export const enTranslations: Record<TranslationKey, string> = {
   presetNameMinimax: "MiniMax",
   presetNameMinimaxTokenPlan: "MiniMax Token Plan",
   presetNameStepfun: "StepFun",
+  presetNameStepfunPlan: "StepFun Plan",
   presetNameSiliconflow: "SiliconFlow",
   presetNameNovita: "Novita AI",
   presetNameOpenrouter: "OpenRouter",

src/i18n/zh.ts

@@ -58,6 +58,7 @@ export const zhTranslations = {
   apiFormat: "API 格式",
   authField: "认证字段",
   apiKey: "API Key",
+  getApiKeyLink: "获取 API Key",
   show: "显示",
   hide: "隐藏",
   requestUrl: "请求地址",
@@ -344,6 +345,7 @@ export const zhTranslations = {
   presetNameMinimax: "MiniMax",
   presetNameMinimaxTokenPlan: "MiniMax Token Plan",
   presetNameStepfun: "阶跃星辰",
+  presetNameStepfunPlan: "阶跃星辰 Step Plan",
   presetNameSiliconflow: "硅基流动",
   presetNameNovita: "Novita AI",
   presetNameOpenrouter: "OpenRouter",