feat(canvas): animate image fly-to-chat when adding attachment

components/canvas/CanvasChatPanel.tsx

@@ -1846,7 +1846,10 @@ export function CanvasChatPanel({ chatId, initialMessages = [], onClose, onOpenF
       
       {/* 底部输入区域 - 混合输入（图片标签+文字可自由混合） */}
       <div className="p-4 bg-background/80 backdrop-blur-md border-t">
-        <div className="relative bg-card rounded-3xl border transition-all duration-200 focus-within:border-primary/50 focus-within:bg-background">
+        <div
+          className="relative bg-card rounded-3xl border transition-all duration-200 focus-within:border-primary/50 focus-within:bg-background"
+          data-canvas-chat-input-anchor="true"
+        >
           {/* 混合输入区域：使用 contenteditable 实现真正的混合编辑 */}
           <div className="relative px-4 pt-3 pb-12 min-h-[60px]">
             <div

components/canvas/nodes/ImageNode.tsx

@@ -253,6 +253,7 @@ export function ImageNode({ node, isSelected }: ImageNodeProps) {
   const [isEditingTitle, setIsEditingTitle] = useState(false);
   const [draftTitle, setDraftTitle] = useState("");
   const [draftNote, setDraftNote] = useState("");
+  const [isAddingToChat, setIsAddingToChat] = useState(false);
   
   // 文件输入的 ref
   const fileInputRef = useRef<HTMLInputElement>(null);
@@ -388,6 +389,108 @@ export function ImageNode({ node, isSelected }: ImageNodeProps) {
   const handleCancelPicking = useCallback(() => {
     setPickerMode(false);
   }, [setPickerMode]);
+  const displayTitle = getImageNodeTitle(data, node.id);
+
+  const animateAddToChat = useCallback(async () => {
+    if (!containerRef.current || !data.src || typeof window === "undefined") {
+      return false;
+    }
+
+    const target = document.querySelector('[data-canvas-chat-input-anchor="true"]') as HTMLElement | null;
+    if (!target) return false;
+
+    const sourceImage =
+      (containerRef.current.querySelector("img") as HTMLImageElement | null) || containerRef.current;
+    const sourceRect = sourceImage.getBoundingClientRect();
+    const targetRect = target.getBoundingClientRect();
+
+    if (sourceRect.width <= 0 || sourceRect.height <= 0 || targetRect.width <= 0 || targetRect.height <= 0) {
+      return false;
+    }
+
+    const clone = document.createElement("img");
+    clone.src = data.src;
+    clone.alt = "";
+    clone.style.position = "fixed";
+    clone.style.left = `${sourceRect.left}px`;
+    clone.style.top = `${sourceRect.top}px`;
+    clone.style.width = `${sourceRect.width}px`;
+    clone.style.height = `${sourceRect.height}px`;
+    clone.style.objectFit = "cover";
+    clone.style.borderRadius = "14px";
+    clone.style.pointerEvents = "none";
+    clone.style.zIndex = "99999";
+    clone.style.boxShadow = "0 14px 30px rgba(15, 23, 42, 0.28)";
+    clone.style.transformOrigin = "center center";
+    clone.style.transition =
+      "transform 560ms cubic-bezier(0.22, 1, 0.36, 1), opacity 560ms ease, filter 560ms ease";
+    clone.style.willChange = "transform, opacity, filter";
+    document.body.appendChild(clone);
+
+    const sourceCenterX = sourceRect.left + sourceRect.width / 2;
+    const sourceCenterY = sourceRect.top + sourceRect.height / 2;
+    const targetCenterX = targetRect.left + targetRect.width / 2;
+    const targetCenterY = targetRect.top + targetRect.height / 2;
+    const scale = Math.max(0.12, Math.min(0.24, Math.min(targetRect.width / sourceRect.width, targetRect.height / sourceRect.height)));
+
+    target.animate(
+      [
+        { boxShadow: "0 0 0 0 rgba(59,130,246,0)", transform: "scale(1)" },
+        { boxShadow: "0 0 0 6px rgba(59,130,246,0.14)", transform: "scale(1.015)" },
+        { boxShadow: "0 0 0 0 rgba(59,130,246,0)", transform: "scale(1)" },
+      ],
+      { duration: 520, easing: "cubic-bezier(0.22, 1, 0.36, 1)" }
+    );
+
+    await new Promise<void>((resolve) => {
+      let done = false;
+      const finish = () => {
+        if (done) return;
+        done = true;
+        clone.remove();
+        resolve();
+      };
+
+      const timeout = window.setTimeout(finish, 700);
+      clone.addEventListener(
+        "transitionend",
+        () => {
+          window.clearTimeout(timeout);
+          finish();
+        },
+        { once: true }
+      );
+
+      requestAnimationFrame(() => {
+        requestAnimationFrame(() => {
+          const dx = targetCenterX - sourceCenterX;
+          const dy = targetCenterY - sourceCenterY;
+          clone.style.transform = `translate(${dx}px, ${dy}px) scale(${scale})`;
+          clone.style.opacity = "0.14";
+          clone.style.filter = "blur(1.2px)";
+        });
+      });
+    });
+
+    return true;
+  }, [data.src]);
+
+  const handleAddToChat = useCallback(async () => {
+    if (!data.src || isProcessing || isAddingToChat) return;
+    setIsAddingToChat(true);
+
+    try {
+      await animateAddToChat();
+      addPendingChatAttachment({
+        url: data.src,
+        name: displayTitle,
+        contentType: "image/jpeg",
+      });
+      toast.success("已添加到对话框");
+    } finally {
+      setIsAddingToChat(false);
+    }
+  }, [addPendingChatAttachment, animateAddToChat, data.src, displayTitle, isAddingToChat, isProcessing]);
   
   // 获取工具栏位置 - 在渲染时直接计算
   const getToolbarPosition = () => {
@@ -431,8 +534,6 @@ export function ImageNode({ node, isSelected }: ImageNodeProps) {
     return { top, left };
   };
 
-  const displayTitle = getImageNodeTitle(data, node.id);
-
   const handleSaveTitle = useCallback(() => {
     const nextTitle = normalizeImageTitle(draftTitle) || displayTitle;
     updateNode(node.id, {
@@ -1564,18 +1665,15 @@ export function ImageNode({ node, isSelected }: ImageNodeProps) {
                 <Button
                   variant="ghost"
                   size="icon"
-                  disabled={isProcessing}
+                  disabled={isProcessing || isAddingToChat}
                   className="h-8 w-8 rounded-full hover:bg-blue-50 text-blue-600 hover:text-blue-700 dark:text-blue-400 dark:hover:text-blue-300 dark:hover:bg-blue-900/30 disabled:opacity-50 disabled:pointer-events-none"
-                  onClick={() => {
-                    addPendingChatAttachment({
-                      url: data.src!,
-                      name: displayTitle,
-                      contentType: 'image/jpeg',
-                    });
-                    toast.success('已添加到对话框');
-                  }}
+                  onClick={handleAddToChat}
                 >
-                  <MessageSquarePlus className="h-4 w-4" />
+                  {isAddingToChat ? (
+                    <Loader2 className="h-4 w-4 animate-spin" />
+                  ) : (
+                    <MessageSquarePlus className="h-4 w-4" />
+                  )}
                 </Button>
               </TooltipTrigger>
               <TooltipContent side="bottom" className="text-xs">添加到对话</TooltipContent>