style: auto-fix ESLint issues (curly braces and formatting)

- Add curly braces to all if/else/for/while statements
- Fix indentation and trailing spaces
- Auto-fixed 372 linting errors using eslint --fix
- Remaining issues are warnings only (non-null assertions, explicit any types)

src/channels/whatsapp/adapter.ts

@@ -146,7 +146,7 @@ export class WhatsAppAdapter implements ChannelAdapter {
 
   /** Send an outbound message, automatically chunking if it exceeds 4096 chars. */
   async send(peerId: string, message: OutboundMessage): Promise<void> {
-    if (!this.client) throw new Error('WhatsApp adapter not connected');
+    if (!this.client) {throw new Error('WhatsApp adapter not connected');}
 
     const text = message.text;
 
@@ -169,7 +169,7 @@ export class WhatsAppAdapter implements ChannelAdapter {
 
   /** Send a single outbound attachment via WhatsApp using MessageMedia. */
   private async sendAttachment(peerId: string, attachment: OutboundAttachment): Promise<void> {
-    if (!this.client) return;
+    if (!this.client) {return;}
 
     try {
       if (attachment.data) {
@@ -194,10 +194,10 @@ export class WhatsAppAdapter implements ChannelAdapter {
 
   /** Internal: process an inbound WhatsApp message. */
   private async handleMessage(message: WhatsAppMessage): Promise<void> {
-    if (!this.messageHandler) return;
+    if (!this.messageHandler) {return;}
 
     // Ignore messages from the bot itself
-    if (message.fromMe) return;
+    if (message.fromMe) {return;}
 
     const from = message.from;
 
@@ -223,7 +223,7 @@ export class WhatsAppAdapter implements ChannelAdapter {
           ? message.body?.includes(`@${this.botId.replace(/@c\.us$/, '')}`) ||
             (message as any).mentionedIds?.some((id: string) => id === this.botId)
           : false;
-        if (!mentionsBot) return;
+        if (!mentionsBot) {return;}
       }
     }