Extract Discord inbound message handler

quality/code-quality-budgets.json

@@ -68,11 +68,6 @@
       "maxFunctionLines": 816,
       "owner": "discord test hotspot"
     },
-    "src/channels/discord.ts": {
-      "maxLines": 903,
-      "maxFunctionLines": 191,
-      "owner": "discord channel hotspot"
-    },
     "src/codex-warmup.test.ts": {
       "maxFunctionLines": 277,
       "owner": "codex warmup test hotspot"

src/channels/discord.ts

@@ -225,6 +225,32 @@ export class DiscordChannel implements Channel {
     });
 
     this.client.on(Events.MessageCreate, async (message: Message) => {
+      await this.handleMessageCreate(message);
+    });
+
+    // Handle errors gracefully
+    this.client.on(Events.Error, (err) => {
+      logger.error({ err: err.message }, 'Discord client error');
+    });
+
+    return new Promise<void>((resolve) => {
+      this.client!.once(Events.ClientReady, (readyClient) => {
+        logger.info(
+          { username: readyClient.user.tag, id: readyClient.user.id },
+          'Discord bot connected',
+        );
+        console.log(`\n  Discord bot: ${readyClient.user.tag}`);
+        console.log(
+          `  Use /chatid command or check channel IDs in Discord settings\n`,
+        );
+        resolve();
+      });
+
+      this.client!.login(this.botToken);
+    });
+  }
+
+  private async handleMessageCreate(message: Message): Promise<void> {
     const channelId = message.channelId;
     const chatJid = `dc:${channelId}`;
     if (!this.receivesInbound) return;
@@ -341,13 +367,7 @@ export class DiscordChannel implements Channel {
 
     // Store chat metadata for discovery
     const isGroup = message.guild !== null;
-      this.opts.onChatMetadata(
-        chatJid,
-        timestamp,
-        chatName,
-        'discord',
-        isGroup,
-      );
+    this.opts.onChatMetadata(chatJid, timestamp, chatName, 'discord', isGroup);
 
     // Only deliver full message for registered groups. Secondary role bots
     // are configured as outbound-only, while the owner bot receives inbound.
@@ -382,28 +402,6 @@ export class DiscordChannel implements Channel {
       { chatJid, chatName, sender: senderName },
       'Discord message stored',
     );
-    });
-
-    // Handle errors gracefully
-    this.client.on(Events.Error, (err) => {
-      logger.error({ err: err.message }, 'Discord client error');
-    });
-
-    return new Promise<void>((resolve) => {
-      this.client!.once(Events.ClientReady, (readyClient) => {
-        logger.info(
-          { username: readyClient.user.tag, id: readyClient.user.id },
-          'Discord bot connected',
-        );
-        console.log(`\n  Discord bot: ${readyClient.user.tag}`);
-        console.log(
-          `  Use /chatid command or check channel IDs in Discord settings\n`,
-        );
-        resolve();
-      });
-
-      this.client!.login(this.botToken);
-    });
   }
 
   async sendMessage(