feat: 对接生图功能

Co-authored-by: Copilot <copilot@github.com>

server/utils/newApiTokens.ts

@@ -41,6 +41,11 @@ interface INewApiWrappedResponse<T> {
   success?: boolean;
 }
 
+interface INewApiTokenKeyData {
+  /** NewAPI 返回的完整 Token Key，仅允许服务端内部使用 */
+  key: string;
+}
+
 const AI_ART_STUDIO_TOKEN_PAYLOAD = {
   remain_quota: 0,
   remain_amount: 0,
@@ -58,8 +63,8 @@ const AI_ART_STUDIO_TOKEN_PAYLOAD = {
 export const ensureAiArtStudioToken = async (
   event: H3Event
 ): Promise<IUserReadyData> => {
-  const hasToken = await hasActiveAiArtStudioToken(event);
-  if (hasToken) {
+  const token = await findActiveAiArtStudioToken(event);
+  if (token) {
     return {
       ready: true,
       created: false
@@ -74,8 +79,45 @@ export const ensureAiArtStudioToken = async (
   };
 };
 
+/** 确保 AIArtStudio Token 可用，并获取完整 key，完整 key 不允许透出到前端 */
+export const getAiArtStudioTokenKey = async (
+  event: H3Event
+): Promise<string> => {
+  let token = await findActiveAiArtStudioToken(event);
+
+  if (!token) {
+    await createAiArtStudioToken(event);
+    token = await findActiveAiArtStudioToken(event);
+  }
+
+  if (!token) {
+    throw createError({
+      statusCode: 502,
+      statusMessage: "环境初始化失败"
+    });
+  }
+
+  const response = await newApiAuthedFetch<
+    INewApiWrappedResponse<INewApiTokenKeyData>
+  >(event, `/api/token/${token.id}/key`, {
+    method: "POST"
+  });
+  const data = unwrapNewApiResponse(response, "环境读取失败");
+
+  if (typeof data.key !== "string" || !data.key) {
+    throw createError({
+      statusCode: 502,
+      statusMessage: "环境读取失败"
+    });
+  }
+
+  return data.key;
+};
+
 /** 分页读取 Token 列表，只认名称为 AIArtStudio 且状态启用的未删除 Token */
-const hasActiveAiArtStudioToken = async (event: H3Event): Promise<boolean> => {
+const findActiveAiArtStudioToken = async (
+  event: H3Event
+): Promise<INewApiTokenItem | null> => {
   let page = 1;
   let total = Number.POSITIVE_INFINITY;
 
@@ -87,15 +129,16 @@ const hasActiveAiArtStudioToken = async (event: H3Event): Promise<boolean> => {
     });
     const data = unwrapNewApiResponse(response, "环境检查失败");
 
-    if (data.items.some(isActiveAiArtStudioToken)) {
-      return true;
+    const token = data.items.find(isActiveAiArtStudioToken);
+    if (token) {
+      return token;
     }
 
     total = data.total;
     page += 1;
   }
 
-  return false;
+  return null;
 };
 
 /** 创建默认 AIArtStudio Token，参数固定，避免 handler 内重复维护 */