feat: react with 🎁 emoji when a code is detected in a message

Signed-off-by: Michael Cramer <michael@bigmichi1.de>

Author: BigMichi1

src/bot/bot.ts

@@ -194,6 +194,13 @@ client.on(Events.MessageCreate, async (message) => {
     if (foundCodes.length > 0) {
       logger.info(`Found ${foundCodes.length} codes in message from ${message.author.tag}`);
 
+      // React to the message to signal the bot detected a code.
+      try {
+        await message.react('🎁');
+      } catch (err) {
+        logger.warn('Could not react to message (missing permissions?):', err);
+      }
+
       // Deduplicate in case the same code appears multiple times in one message.
       const uniqueCodes = [...new Set(foundCodes)];