feat(backend): Adds createSession to the Backend API client (#5592)

Author: tmilewski

.changeset/rich-jobs-serve.md

@@ -0,0 +1,14 @@
+---
+'@clerk/backend': minor
+---
+
+Adds the ability to create an active session to the Backend API client.
+
+```ts
+  import { createClerkClient } from '@clerk/backend';
+
+  const clerkClient = createClerkClient(...);
+  await clerkClient.sessions.createSession({
+    userId: 'user_xxxxxx',
+  });
+```

packages/backend/src/api/endpoints/SessionApi.ts

@@ -25,6 +25,10 @@ type RefreshTokenParams = {
   format?: 'token' | 'cookie';
 };
 
+type CreateSessionParams = {
+  userId: string;
+};
+
 export class SessionAPI extends AbstractAPI {
   public async getSessionList(params: SessionListParams = {}) {
     return this.request<PaginatedResourceResponse<Session[]>>({
@@ -42,6 +46,14 @@ export class SessionAPI extends AbstractAPI {
     });
   }
 
+  public async createSession(params: CreateSessionParams) {
+    return this.request<Session>({
+      method: 'POST',
+      path: basePath,
+      bodyParams: params,
+    });
+  }
+
   public async revokeSession(sessionId: string) {
     this.requireId(sessionId);
     return this.request<Session>({