style(frontend): 加宽要素弹出框至400px，附件名允许换行

frontend/vue-demo/src/views/Editor.vue

@@ -5692,7 +5692,7 @@ onMounted(async () => {
   border: 1px solid var(--border);
   border-radius: var(--radius-md);
   box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
-  width: 320px;
+  width: 400px;
   overflow: hidden;
 
   .popover-header {
@@ -5790,9 +5790,7 @@ onMounted(async () => {
           .rule-trace-att {
             font-size: 11px;
             color: var(--text-3);
-            white-space: nowrap;
-            overflow: hidden;
-            text-overflow: ellipsis;
+            word-break: break-all;
           }
         }