Function handleNodeClick

packages/editor-app/src/components/FileTree.tsx:852–897

(node: TreeNode, e: React.MouseEvent)

    };

    const handleNodeClick = (node: TreeNode, e: React.MouseEvent) => {
        if (node.type === 'folder') {
            setInternalSelectedPath(node.path);
            onSelectFile?.(node.path);
            toggleNode(node.path);
        } else {
            setInternalSelectedPath(node.path);

            // Support multi-select with Ctrl/Cmd or Shift
            if (onSelectFiles) {
                if (e.shiftKey && lastSelectedFilePath) {
                    // Range select with Shift
                    const treeToUse = searchQuery ? filteredTree : tree;
                    const visiblePaths = getVisibleFilePaths(treeToUse);
                    const lastIndex = visiblePaths.indexOf(lastSelectedFilePath);
                    const currentIndex = visiblePaths.indexOf(node.path);
                    if (lastIndex !== -1 && currentIndex !== -1) {
                        const start = Math.min(lastIndex, currentIndex);
                        const end = Math.max(lastIndex, currentIndex);
                        const rangePaths = visiblePaths.slice(start, end + 1);
                        onSelectFiles(rangePaths, { ctrlKey: false, shiftKey: true });
                    } else {
                        onSelectFiles([node.path], { ctrlKey: false, shiftKey: false });
                        setLastSelectedFilePath(node.path);
                    }
                } else {
                    onSelectFiles([node.path], { ctrlKey: e.ctrlKey || e.metaKey, shiftKey: false });
                    setLastSelectedFilePath(node.path);
                }
            } else {
                setLastSelectedFilePath(node.path);
            }

            const extension = node.name.includes('.') ? node.name.split('.').pop() : undefined;
            messageHub?.publish('asset-file:selected', {
                fileInfo: {
                    name: node.name,
                    path: node.path,
                    extension,
                    size: node.size,
                    modified: node.modified,
                    isDirectory: false
                }
            });
        }
    };

    const handleNodeDoubleClick = async (node: TreeNode) => {
        if (node.type === 'file') {