agent optimization

public/assets/js/base.js

@@ -45,6 +45,13 @@ document.addEventListener('DOMContentLoaded', () => {
 
     loadHistory();
 
+    promptEl.addEventListener('keydown', (e) => {
+        if (e.key === 'Enter' && !e.shiftKey) {
+            e.preventDefault(); // verhindert normalen Zeilenumbruch
+            sendBtn.click();    // löst vorhandene Send-Logik aus
+        }
+    });
+
     sendBtn.addEventListener('click', async () => {
         const prompt = promptEl.value.trim();
         if (!prompt) return;