feat: Organization services

core/als/request-context.service.ts

@@ -1,4 +1,4 @@
-import { Injectable } from '@nestjs/common';
+import { Injectable, UnauthorizedException } from '@nestjs/common';
 import { AsyncLocalStorage } from 'async_hooks';
 import { RequestContext } from './request-context.type';
 
@@ -31,7 +31,9 @@ export class RequestContextService {
 
   // Helpers
   get user() {
-    return this.get().user;
+    const user = this.get().user;
+    if (!user) throw new UnauthorizedException();
+    return user;
   }
 
   get tx() {