feat: confirm participation

src/index.ts

@@ -38,7 +38,8 @@ client.on(Events.ClientReady, () => {
   });
 });
 
-client.on(Events.MessageCreate, (message) => {
+// eslint-disable-next-line @typescript-eslint/no-misused-promises -- sod off this is going away next month.
+client.on(Events.MessageCreate, async(message) => {
   if (!message.channel.isThread() || !message.inGuild()) {
     return;
   }
@@ -54,8 +55,19 @@ client.on(Events.MessageCreate, (message) => {
   if (message.author.bot) {
     return;
   }
+  const threadOwner = await message.channel.fetchOwner();
+  // Check if thread owner is Maribelle (to indicate it is progress thread)
+  if (threadOwner?.id !== "1386862413936328796") {
+    return;
+  }
   if (!activeIds.includes(message.author.id)) {
     activeIds.push(message.author.id);
+    await message.channel.send({
+      allowedMentions: {
+        parse: [],
+      },
+      content: `-# Thank you for your progress update, <@${message.author.id}>! Your participation for today has been recorded.`,
+    });
   }
 });