style(frontend): 缩小自主/智能模式切换圆角

ai-electron/frontend/src/core/components/Application/src/AppWorkbenchToggle.vue

@@ -64,7 +64,7 @@
     padding: 1px;
     background: rgba(0, 0, 0, 0.06);
     border: 1px solid rgba(0, 0, 0, 0.08);
-    border-radius: 99px;
+    border-radius: 8px;
 
     button {
       display: inline-flex;
@@ -79,7 +79,7 @@
       opacity: 0.85;
       background: transparent;
       border: none;
-      border-radius: 99px;
+      border-radius: 6px;
       cursor: pointer;
       transition:
         background 0.15s ease-out,