fix: add detailed webhook error logging

src/bot/index.js

@@ -493,7 +493,13 @@ export async function initBot(config, api, tools, skills, agents) {
     try {
       await bot.handleUpdate(req.body);
     } catch (e) {
-      logger.error('Webhook update error:', e.message);
+      logger.error('Webhook update error:', {
+        message: e.message,
+        name: e.name,
+        stack: e.stack,
+        body: req.body?.update_id,
+        full: e.toString()
+      });
     }
   });