Integrate Canvas V2 subgraphs, editable edges and AI runs

src/lib/api.ts

@@ -5,17 +5,22 @@ export type Profile = {
   email: string | null;
   avatar_url?: string | null;
 };
+export class ApiError extends Error {
+  constructor(code: string, readonly status: number, readonly details?: unknown, readonly retryAfter?: string | null) { super(code); this.name = "ApiError"; }
+}
 export async function api<T>(
   path: string,
   options: RequestInit = {},
 ): Promise<T> {
   const res = await fetch("/api/foundry/" + path, {
     ...options,
-    headers: { "Content-Type": "application/json", ...options.headers },
+    headers: { ...(options.body instanceof FormData ? {} : { "Content-Type": "application/json" }), ...options.headers },
   });
   const body = await res.json().catch(() => null);
-  if (!res.ok)
-    throw new Error(body?.error?.code || body?.error || "request_failed");
+  if (!res.ok) {
+    const code = body?.error?.code || body?.error;
+    throw new ApiError(typeof code === "string" ? code : "request_failed", res.status, body?.details, res.headers.get("retry-after"));
+  }
   return body as T;
 }
 export const PROJECT = process.env.NEXT_PUBLIC_FOUNDRY_PROJECT || "endoleap";
@@ -46,11 +51,22 @@ export const errorText = (error: unknown) => {
     workspace_required: "请先创建或选择一个工作空间。",
     invalid_workspace: "工作空间名称不符合要求，请修改后重试。",
     invalid_title: "名称不能为空，且不能超过 300 字节（约 100 个汉字）。",
-    version_conflict: "图谱已在别处修改，请再次保存以读取最新版本。",
+    version_conflict: "画布已更新，本地草稿已保留，请导出备份或重新读取后处理冲突。",
     invalid_profile: "请检查显示名称，以及用户名是否为 3–40 位小写字母、数字、下划线或连字符。",
     forbidden: "你没有在此工作空间创建或编辑图谱的权限。",
     invalid_canvas: "画布数据未通过服务端校验，请导出备份后检查节点内容。",
     invalid_canvas_snapshot: "服务端画布数据格式无效，请重新读取或联系维护者。",
+    canvas_schema_upgrade_required: "这张画布已升级，请刷新以加载新版客户端。",
+    undo_receipt_expired: "撤销记录已过期，当前内容已保留。",
+    draft_recovery_required: "请先处理未同步的本地草稿。",
+    canvas_busy: "画布正在同步，请稍后重试。",
+    node_busy: "这个元素正在生成，请等待完成或先取消。",
+    model_unavailable: "模型暂时不可用，请重新选择。",
+    model_incompatible: "这个模型不支持当前元素的输出类型。",
+    ownership_conflict: "子画布关系已变化，请重新读取画布。",
+    execution_cycle: "执行路径中有循环，请先断开循环连接。",
+    queue_full: "生成队列已满，请稍后重试。",
+    context_too_large: "输入内容超出模型容量，请减少输入。",
     canvas_too_large: "画布超过 5 MiB，请减少图片或拆分画布后重试。",
     body_too_large: "画布内容过大，请减少图片或拆分画布。",
     invalid_material: "画布名称或内容不符合要求，请修改后重试。",