完善仿真交互、结果展示与模型元数据

frontend/src/WorkspaceViewTabs.tsx

@@ -3,12 +3,14 @@ export type WorkspaceView = "modeling" | "results";
 type WorkspaceViewTabsProps = {
   activeView: WorkspaceView;
   hasResults: boolean;
+  hasUnreadResults?: boolean;
   onViewChange: (view: WorkspaceView) => void;
 };
 
 export function WorkspaceViewTabs({
   activeView,
   hasResults,
+  hasUnreadResults = false,
   onViewChange,
 }: WorkspaceViewTabsProps) {
   return (
@@ -23,14 +25,18 @@ export function WorkspaceViewTabs({
         建模
       </button>
       <button
+        aria-label={hasUnreadResults ? "结果，有新的仿真结果" : "结果"}
         aria-selected={activeView === "results"}
         className={activeView === "results" ? "active" : ""}
         onClick={() => onViewChange("results")}
         role="tab"
+        title={hasUnreadResults ? "有新的仿真结果" : undefined}
         type="button"
       >
         结果
-        {hasResults ? <span aria-label="已有仿真结果" className="result-available-dot" /> : null}
+        {hasResults && hasUnreadResults ? (
+          <span aria-hidden="true" className="result-available-dot" />
+        ) : null}
       </button>
     </div>
   );