optional slack secret

Author: chpy04

src/backend/src/integrations/slack.ts

@@ -8,7 +8,7 @@ const receiver = new ExpressReceiver({
 
 // Initialize the Bolt app
 const slackApp = new App({
-  token: process.env.SLACK_BOT_TOKEN,
+  token: process.env.SLACK_BOT_TOKEN || '',
   receiver
 });
 

src/backend/src/routes/slack.routes.ts

@@ -94,7 +94,6 @@ slackApp.action('sabo_submitted_confirmation', async ({ ack, body, logger, respo
   await ack();
 
   try {
-
     // Validate the incoming action body structure
     if (!validateSlackActionBody(body)) {
       logger.error('Invalid Slack action body structure');