Add authenticationMethod to sealed session (#1417)

## Description

## Documentation

Does this require changes to the WorkOS Docs? E.g. the [API
Reference](https://workos.com/docs/reference) or code snippets need
updates.

```
[ ] Yes
```

If yes, link a related docs PR and add a docs maintainer as a reviewer.
Their approval is required.


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Author: cmatheson

src/user-management/interfaces/authenticate-with-session-cookie.interface.ts

@@ -19,7 +19,12 @@ export interface AccessToken {
 
 export type SessionCookieData = Pick<
   AuthenticationResponse,
-  'accessToken' | 'impersonator' | 'organizationId' | 'refreshToken' | 'user'
+  | 'accessToken'
+  | 'authenticationMethod'
+  | 'impersonator'
+  | 'organizationId'
+  | 'refreshToken'
+  | 'user'
 >;
 
 export enum AuthenticateWithSessionCookieFailureReason {
@@ -35,6 +40,8 @@ export type AuthenticateWithSessionCookieFailedResponse = {
 
 export type AuthenticateWithSessionCookieSuccessResponse = {
   authenticated: true;
+  accessToken: string;
+  authenticationMethod: AuthenticationResponse['authenticationMethod'];
   sessionId: string;
   organizationId?: string;
   role?: string;
@@ -44,5 +51,4 @@ export type AuthenticateWithSessionCookieSuccessResponse = {
   featureFlags?: string[];
   user: User;
   impersonator?: Impersonator;
-  accessToken: string;
 };

src/user-management/session.ts

@@ -111,6 +111,7 @@ export class CookieSession {
       entitlements,
       featureFlags,
       user: session.user,
+      authenticationMethod: session.authenticationMethod,
       impersonator: session.impersonator,
       accessToken: session.accessToken,
     };
@@ -183,6 +184,7 @@ export class CookieSession {
         authenticated: true,
         sealedSession: authenticationResponse.sealedSession,
         session: authenticationResponse as AuthenticationResponse,
+        authenticationMethod: authenticationResponse.authenticationMethod,
         sessionId,
         organizationId,
         role,

src/user-management/user-management.ts

@@ -496,6 +496,7 @@ export class UserManagement {
       entitlements,
       featureFlags,
       accessToken: session.accessToken,
+      authenticationMethod: session.authenticationMethod,
     };
   }
 
@@ -630,6 +631,7 @@ export class UserManagement {
       user: authenticationResponse.user,
       accessToken: authenticationResponse.accessToken,
       refreshToken: authenticationResponse.refreshToken,
+      authenticationMethod: authenticationResponse.authenticationMethod,
       impersonator: authenticationResponse.impersonator,
     };