自动下滑

frontend-web/src/open-canvas/components/ai-writing/AIWritingPanel.tsx

@@ -71,6 +71,14 @@ export function AIWritingPanel() {
     }
   }, [isIdle]);
 
+  // 开始写作 / 点击继续后恢复自动滚底
+  useEffect(() => {
+    if (isRunning && !state.isPaused) {
+      autoScrollRef.current = true;
+      setAutoScroll(true);
+    }
+  }, [isRunning, state.isPaused]);
+
   // 监听用户手动滚动（挂载一次）
   useEffect(() => {
     const el = scrollRef.current;