fix(microsoft-teams-integration): bug fixes

backend/src/db/migrations/20250422125635_microsoft-teams-workflow-integration.ts

@@ -51,6 +51,9 @@ export async function up(knex: Knex): Promise<void> {
       table.binary("encryptedAccessToken").nullable();
       table.binary("encryptedBotAccessToken").nullable();
 
+      table.timestamp("accessTokenExpiresAt").nullable();
+      table.timestamp("botAccessTokenExpiresAt").nullable();
+
       table.timestamps(true, true, true);
     });
 

backend/src/db/schemas/microsoft-teams-integrations.ts

@@ -15,6 +15,8 @@ export const MicrosoftTeamsIntegrationsSchema = z.object({
   tenantId: z.string(),
   encryptedAccessToken: zodBuffer.nullable().optional(),
   encryptedBotAccessToken: zodBuffer.nullable().optional(),
+  accessTokenExpiresAt: z.date().nullable().optional(),
+  botAccessTokenExpiresAt: z.date().nullable().optional(),
   createdAt: z.date(),
   updatedAt: z.date()
 });