feat(auth): secure messenger start token flow

src/resolvers.js

@@ -504,6 +504,35 @@ export const resolvers = {
         throw new Error('User for this login token was not found.');
       }
 
+      if (login.messengerConnection) {
+        await context.prisma.messengerConnection.updateMany({
+          where: {
+            userId: user.id,
+            type: login.messengerConnection.type,
+            isActive: true,
+            NOT: { channelId: login.messengerConnection.channelId },
+          },
+          data: { isActive: false },
+        });
+
+        await context.prisma.messengerConnection.upsert({
+          where: {
+            userId_type_channelId: {
+              userId: user.id,
+              type: login.messengerConnection.type,
+              channelId: login.messengerConnection.channelId,
+            },
+          },
+          update: { isActive: true },
+          create: {
+            userId: user.id,
+            type: login.messengerConnection.type,
+            channelId: login.messengerConnection.channelId,
+            isActive: true,
+          },
+        });
+      }
+
       const session = issueAccessToken(user.id);
       return {
         accessToken: session.accessToken,