Function reorder

frontend/app/tab/vtabbar.tsx:297–316

(targetIndex: number)

    };

    const reorder = (targetIndex: number) => {
        const sourceTabId = dragSourceRef.current;
        if (sourceTabId == null) {
            return;
        }
        const sourceIndex = orderedTabIds.findIndex((id) => id === sourceTabId);
        if (sourceIndex === -1) {
            return;
        }
        const boundedTargetIndex = Math.max(0, Math.min(targetIndex, orderedTabIds.length));
        const adjustedTargetIndex = sourceIndex < boundedTargetIndex ? boundedTargetIndex - 1 : boundedTargetIndex;
        if (sourceIndex === adjustedTargetIndex) {
            return;
        }
        const nextTabIds = [...orderedTabIds];
        const [movedId] = nextTabIds.splice(sourceIndex, 1);
        nextTabIds.splice(adjustedTargetIndex, 0, movedId);
        setOrderedTabIds(nextTabIds);
        fireAndForget(() => env.rpc.UpdateWorkspaceTabIdsCommand(TabRpcClient, workspace.oid, nextTabIds));
    };

    const handleTabBarContextMenu = useCallback(
        (e: React.MouseEvent<HTMLDivElement>) => {