final touches for beta skymoney (at least i think)

api/clients/ts/sdk.ts

@@ -88,7 +88,6 @@ export type FetchLike = typeof fetch;
 
 export type SDKOptions = {
   baseUrl?: string;
-  userId?: string;
   fetch?: FetchLike;
   requestIdFactory?: () => string; // to set x-request-id if desired
 };
@@ -107,14 +106,9 @@ export class SkyMoney {
   readonly baseUrl: string;
   private readonly f: FetchLike;
   private readonly reqId?: () => string;
-  userId?: string;
 
   constructor(opts: SDKOptions = {}) {
     this.baseUrl = (opts.baseUrl || "http://localhost:8080").replace(/\/+$/, "");
-    this.userId = opts.userId ?? (
-      // Try localStorage if present (browser)
-      typeof localStorage !== "undefined" ? localStorage.getItem("x-user-id") || undefined : undefined
-    );
     this.f = opts.fetch || fetch;
     this.reqId = opts.requestIdFactory;
   }
@@ -128,12 +122,12 @@ export class SkyMoney {
   ): Promise<T> {
     const url = `${this.baseUrl}${path}${query ? makeQuery(query) : ""}`;
     const h: Record<string, string> = { ...(headers || {}) };
-    if (this.userId) h["x-user-id"] = this.userId;
     if (this.reqId) h["x-request-id"] = this.reqId();
     const hasBody = body !== undefined && body !== null;
 
     const res = await this.f(url, {
       method,
+      credentials: "include",
       headers: {
         ...(hasBody ? { "content-type": "application/json" } : {}),
         ...h,