diff --git a/app/page.tsx b/app/page.tsx
index 5ce26d2..c422de0 100644
--- a/app/page.tsx
+++ b/app/page.tsx
@@ -50,9 +50,6 @@ export default function Home() {
                     }}
                 />
             </div>
-            <Button
-                onClick={handleExport}
-            >export </Button>
             <div className="w-1/3 p-1 border-gray-300">
                 <ChatPanel
                     onDisplayChart={(xml) => loadDiagram(xml)}
diff --git a/components/assistant-ui/markdown-text.tsx b/components/assistant-ui/markdown-text.tsx
deleted file mode 100644
index 4dbdce1..0000000
--- a/components/assistant-ui/markdown-text.tsx
+++ /dev/null
@@ -1,132 +0,0 @@
-"use client";
-
-import "@assistant-ui/react-markdown/styles/dot.css";
-
-import {
-  CodeHeaderProps,
-  MarkdownTextPrimitive,
-  unstable_memoizeMarkdownComponents as memoizeMarkdownComponents,
-  useIsMarkdownCodeBlock,
-} from "@assistant-ui/react-markdown";
-import remarkGfm from "remark-gfm";
-import { FC, memo, useState } from "react";
-import { CheckIcon, CopyIcon } from "lucide-react";
-
-import { TooltipIconButton } from "@/components/assistant-ui/tooltip-icon-button";
-import { cn } from "@/lib/utils";
-
-const MarkdownTextImpl = () => {
-  return (
-    <MarkdownTextPrimitive
-      remarkPlugins={[remarkGfm]}
-      className="aui-md"
-      components={defaultComponents}
-    />
-  );
-};
-
-export const MarkdownText = memo(MarkdownTextImpl);
-
-const CodeHeader: FC<CodeHeaderProps> = ({ language, code }) => {
-  const { isCopied, copyToClipboard } = useCopyToClipboard();
-  const onCopy = () => {
-    if (!code || isCopied) return;
-    copyToClipboard(code);
-  };
-
-  return (
-    <div className="flex items-center justify-between gap-4 rounded-t-lg bg-zinc-900 px-4 py-2 text-sm font-semibold text-white">
-      <span className="lowercase [&>span]:text-xs">{language}</span>
-      <TooltipIconButton tooltip="Copy" onClick={onCopy}>
-        {!isCopied && <CopyIcon />}
-        {isCopied && <CheckIcon />}
-      </TooltipIconButton>
-    </div>
-  );
-};
-
-const useCopyToClipboard = ({
-  copiedDuration = 3000,
-}: {
-  copiedDuration?: number;
-} = {}) => {
-  const [isCopied, setIsCopied] = useState<boolean>(false);
-
-  const copyToClipboard = (value: string) => {
-    if (!value) return;
-
-    navigator.clipboard.writeText(value).then(() => {
-      setIsCopied(true);
-      setTimeout(() => setIsCopied(false), copiedDuration);
-    });
-  };
-
-  return { isCopied, copyToClipboard };
-};
-
-const defaultComponents = memoizeMarkdownComponents({
-  h1: ({ className, ...props }) => (
-    <h1 className={cn("mb-8 scroll-m-20 text-4xl font-extrabold tracking-tight last:mb-0", className)} {...props} />
-  ),
-  h2: ({ className, ...props }) => (
-    <h2 className={cn("mb-4 mt-8 scroll-m-20 text-3xl font-semibold tracking-tight first:mt-0 last:mb-0", className)} {...props} />
-  ),
-  h3: ({ className, ...props }) => (
-    <h3 className={cn("mb-4 mt-6 scroll-m-20 text-2xl font-semibold tracking-tight first:mt-0 last:mb-0", className)} {...props} />
-  ),
-  h4: ({ className, ...props }) => (
-    <h4 className={cn("mb-4 mt-6 scroll-m-20 text-xl font-semibold tracking-tight first:mt-0 last:mb-0", className)} {...props} />
-  ),
-  h5: ({ className, ...props }) => (
-    <h5 className={cn("my-4 text-lg font-semibold first:mt-0 last:mb-0", className)} {...props} />
-  ),
-  h6: ({ className, ...props }) => (
-    <h6 className={cn("my-4 font-semibold first:mt-0 last:mb-0", className)} {...props} />
-  ),
-  p: ({ className, ...props }) => (
-    <p className={cn("mb-5 mt-5 leading-7 first:mt-0 last:mb-0", className)} {...props} />
-  ),
-  a: ({ className, ...props }) => (
-    <a className={cn("text-primary font-medium underline underline-offset-4", className)} {...props} />
-  ),
-  blockquote: ({ className, ...props }) => (
-    <blockquote className={cn("border-l-2 pl-6 italic", className)} {...props} />
-  ),
-  ul: ({ className, ...props }) => (
-    <ul className={cn("my-5 ml-6 list-disc [&>li]:mt-2", className)} {...props} />
-  ),
-  ol: ({ className, ...props }) => (
-    <ol className={cn("my-5 ml-6 list-decimal [&>li]:mt-2", className)} {...props} />
-  ),
-  hr: ({ className, ...props }) => (
-    <hr className={cn("my-5 border-b", className)} {...props} />
-  ),
-  table: ({ className, ...props }) => (
-    <table className={cn("my-5 w-full border-separate border-spacing-0 overflow-y-auto", className)} {...props} />
-  ),
-  th: ({ className, ...props }) => (
-    <th className={cn("bg-muted px-4 py-2 text-left font-bold first:rounded-tl-lg last:rounded-tr-lg [&[align=center]]:text-center [&[align=right]]:text-right", className)} {...props} />
-  ),
-  td: ({ className, ...props }) => (
-    <td className={cn("border-b border-l px-4 py-2 text-left last:border-r [&[align=center]]:text-center [&[align=right]]:text-right", className)} {...props} />
-  ),
-  tr: ({ className, ...props }) => (
-    <tr className={cn("m-0 border-b p-0 first:border-t [&:last-child>td:first-child]:rounded-bl-lg [&:last-child>td:last-child]:rounded-br-lg", className)} {...props} />
-  ),
-  sup: ({ className, ...props }) => (
-    <sup className={cn("[&>a]:text-xs [&>a]:no-underline", className)} {...props} />
-  ),
-  pre: ({ className, ...props }) => (
-    <pre className={cn("overflow-x-auto rounded-b-lg bg-black p-4 text-white", className)} {...props} />
-  ),
-  code: function Code({ className, ...props }) {
-    const isCodeBlock = useIsMarkdownCodeBlock();
-    return (
-      <code
-        className={cn(!isCodeBlock && "bg-muted rounded border font-semibold", className)}
-        {...props}
-      />
-    );
-  },
-  CodeHeader,
-});
diff --git a/components/assistant-ui/thread-list.tsx b/components/assistant-ui/thread-list.tsx
deleted file mode 100644
index 3a8f738..0000000
--- a/components/assistant-ui/thread-list.tsx
+++ /dev/null
@@ -1,66 +0,0 @@
-import type { FC } from "react";
-import {
-  ThreadListItemPrimitive,
-  ThreadListPrimitive,
-} from "@assistant-ui/react";
-import { ArchiveIcon, PlusIcon } from "lucide-react";
-
-import { Button } from "@/components/ui/button";
-import { TooltipIconButton } from "@/components/assistant-ui/tooltip-icon-button";
-
-export const ThreadList: FC = () => {
-  return (
-    <ThreadListPrimitive.Root className="flex flex-col items-stretch gap-1.5">
-      <ThreadListNew />
-      <ThreadListItems />
-    </ThreadListPrimitive.Root>
-  );
-};
-
-const ThreadListNew: FC = () => {
-  return (
-    <ThreadListPrimitive.New asChild>
-      <Button className="data-[active]:bg-muted hover:bg-muted flex items-center justify-start gap-1 rounded-lg px-2.5 py-2 text-start" variant="ghost">
-        <PlusIcon />
-        New Thread
-      </Button>
-    </ThreadListPrimitive.New>
-  );
-};
-
-const ThreadListItems: FC = () => {
-  return <ThreadListPrimitive.Items components={{ ThreadListItem }} />;
-};
-
-const ThreadListItem: FC = () => {
-  return (
-    <ThreadListItemPrimitive.Root className="data-[active]:bg-muted hover:bg-muted focus-visible:bg-muted focus-visible:ring-ring flex items-center gap-2 rounded-lg transition-all focus-visible:outline-none focus-visible:ring-2">
-      <ThreadListItemPrimitive.Trigger className="flex-grow px-3 py-2 text-start">
-        <ThreadListItemTitle />
-      </ThreadListItemPrimitive.Trigger>
-      <ThreadListItemArchive />
-    </ThreadListItemPrimitive.Root>
-  );
-};
-
-const ThreadListItemTitle: FC = () => {
-  return (
-    <p className="text-sm">
-      <ThreadListItemPrimitive.Title fallback="New Chat" />
-    </p>
-  );
-};
-
-const ThreadListItemArchive: FC = () => {
-  return (
-    <ThreadListItemPrimitive.Archive asChild>
-      <TooltipIconButton
-        className="hover:text-primary text-foreground ml-auto mr-3 size-4 p-0"
-        variant="ghost"
-        tooltip="Archive thread"
-      >
-        <ArchiveIcon />
-      </TooltipIconButton>
-    </ThreadListItemPrimitive.Archive>
-  );
-};
diff --git a/components/assistant-ui/thread.tsx b/components/assistant-ui/thread.tsx
deleted file mode 100644
index cd1d0ce..0000000
--- a/components/assistant-ui/thread.tsx
+++ /dev/null
@@ -1,287 +0,0 @@
-import {
-    ActionBarPrimitive,
-    BranchPickerPrimitive,
-    ComposerPrimitive,
-    MessagePrimitive,
-    ThreadPrimitive,
-} from "@assistant-ui/react";
-import type { FC } from "react";
-import {
-    ArrowDownIcon,
-    CheckIcon,
-    ChevronLeftIcon,
-    ChevronRightIcon,
-    CopyIcon,
-    PencilIcon,
-    RefreshCwIcon,
-    SendHorizontalIcon,
-} from "lucide-react";
-import { cn } from "@/lib/utils";
-
-import { Button } from "@/components/ui/button";
-import { MarkdownText } from "@/components/assistant-ui/markdown-text";
-import { TooltipIconButton } from "@/components/assistant-ui/tooltip-icon-button";
-
-export const Thread: FC = () => {
-    return (
-        <ThreadPrimitive.Root
-            className="bg-background box-border flex h-full flex-col overflow-hidden"
-            style={{
-                ["--thread-max-width" as string]: "42rem",
-            }}
-        >
-            <ThreadPrimitive.Viewport className="flex h-full flex-col items-center overflow-y-scroll scroll-smooth bg-inherit px-4 pt-8">
-                <ThreadWelcome />
-
-                <ThreadPrimitive.Messages
-                    components={{
-                        UserMessage: UserMessage,
-                        EditComposer: EditComposer,
-                        AssistantMessage: AssistantMessage,
-                    }}
-                />
-
-                <ThreadPrimitive.If empty={false}>
-                    <div className="min-h-8 flex-grow" />
-                </ThreadPrimitive.If>
-
-                <div className="sticky bottom-0 mt-3 flex w-full max-w-[var(--thread-max-width)] flex-col items-center justify-end rounded-t-lg bg-inherit pb-4">
-                    <ThreadScrollToBottom />
-                    <Composer />
-                </div>
-            </ThreadPrimitive.Viewport>
-        </ThreadPrimitive.Root>
-    );
-};
-
-const ThreadScrollToBottom: FC = () => {
-    return (
-        <ThreadPrimitive.ScrollToBottom asChild>
-            <TooltipIconButton
-                tooltip="Scroll to bottom"
-                variant="outline"
-                className="absolute -top-8 rounded-full disabled:invisible"
-            >
-                <ArrowDownIcon />
-            </TooltipIconButton>
-        </ThreadPrimitive.ScrollToBottom>
-    );
-};
-
-const ThreadWelcome: FC = () => {
-    return (
-        <ThreadPrimitive.Empty>
-            <div className="flex w-full max-w-[var(--thread-max-width)] flex-grow flex-col">
-                <div className="flex w-full flex-grow flex-col items-center justify-center">
-                    <p className="mt-4 font-medium">
-                        How can I help you today?
-                    </p>
-                </div>
-                {/* <ThreadWelcomeSuggestions /> */}
-            </div>
-        </ThreadPrimitive.Empty>
-    );
-};
-
-const ThreadWelcomeSuggestions: FC = () => {
-    return (
-        <div className="mt-3 flex w-full items-stretch justify-center gap-4">
-            <ThreadPrimitive.Suggestion
-                className="hover:bg-muted/80 flex max-w-sm grow basis-0 flex-col items-center justify-center rounded-lg border p-3 transition-colors ease-in"
-                prompt="What is the weather in Tokyo?"
-                method="replace"
-                autoSend
-            >
-                <span className="line-clamp-2 text-ellipsis text-sm font-semibold">
-                    What is the weather in Tokyo?
-                </span>
-            </ThreadPrimitive.Suggestion>
-            <ThreadPrimitive.Suggestion
-                className="hover:bg-muted/80 flex max-w-sm grow basis-0 flex-col items-center justify-center rounded-lg border p-3 transition-colors ease-in"
-                prompt="What is assistant-ui?"
-                method="replace"
-                autoSend
-            >
-                <span className="line-clamp-2 text-ellipsis text-sm font-semibold">
-                    What is assistant-ui?
-                </span>
-            </ThreadPrimitive.Suggestion>
-        </div>
-    );
-};
-
-const Composer: FC = () => {
-    return (
-        <ComposerPrimitive.Root className="focus-within:border-ring/20 flex w-full flex-wrap items-end rounded-lg border bg-inherit px-2.5 shadow-sm transition-colors ease-in">
-            <ComposerPrimitive.Input
-                rows={1}
-                autoFocus
-                placeholder="Write a message..."
-                className="placeholder:text-muted-foreground max-h-40 flex-grow resize-none border-none bg-transparent px-2 py-4 text-sm outline-none focus:ring-0 disabled:cursor-not-allowed"
-            />
-            <ComposerAction />
-        </ComposerPrimitive.Root>
-    );
-};
-
-const ComposerAction: FC = () => {
-    return (
-        <>
-            <ThreadPrimitive.If running={false}>
-                <ComposerPrimitive.Send asChild>
-                    <TooltipIconButton
-                        tooltip="Send"
-                        variant="default"
-                        className="my-2.5 size-8 p-2 transition-opacity ease-in"
-                    >
-                        <SendHorizontalIcon />
-                    </TooltipIconButton>
-                </ComposerPrimitive.Send>
-            </ThreadPrimitive.If>
-            <ThreadPrimitive.If running>
-                <ComposerPrimitive.Cancel asChild>
-                    <TooltipIconButton
-                        tooltip="Cancel"
-                        variant="default"
-                        className="my-2.5 size-8 p-2 transition-opacity ease-in"
-                    >
-                        <CircleStopIcon />
-                    </TooltipIconButton>
-                </ComposerPrimitive.Cancel>
-            </ThreadPrimitive.If>
-        </>
-    );
-};
-
-const UserMessage: FC = () => {
-    return (
-        <MessagePrimitive.Root className="grid auto-rows-auto grid-cols-[minmax(72px,1fr)_auto] gap-y-2 [&:where(>*)]:col-start-2 w-full max-w-[var(--thread-max-width)] py-4">
-            <UserActionBar />
-
-            <div className="bg-muted text-foreground max-w-[calc(var(--thread-max-width)*0.8)] break-words rounded-3xl px-5 py-2.5 col-start-2 row-start-2">
-                <MessagePrimitive.Content />
-            </div>
-
-            <BranchPicker className="col-span-full col-start-1 row-start-3 -mr-1 justify-end" />
-        </MessagePrimitive.Root>
-    );
-};
-
-const UserActionBar: FC = () => {
-    return (
-        <ActionBarPrimitive.Root
-            hideWhenRunning
-            autohide="not-last"
-            className="flex flex-col items-end col-start-1 row-start-2 mr-3 mt-2.5"
-        >
-            <ActionBarPrimitive.Edit asChild>
-                <TooltipIconButton tooltip="Edit">
-                    <PencilIcon />
-                </TooltipIconButton>
-            </ActionBarPrimitive.Edit>
-        </ActionBarPrimitive.Root>
-    );
-};
-
-const EditComposer: FC = () => {
-    return (
-        <ComposerPrimitive.Root className="bg-muted my-4 flex w-full max-w-[var(--thread-max-width)] flex-col gap-2 rounded-xl">
-            <ComposerPrimitive.Input className="text-foreground flex h-8 w-full resize-none bg-transparent p-4 pb-0 outline-none" />
-
-            <div className="mx-3 mb-3 flex items-center justify-center gap-2 self-end">
-                <ComposerPrimitive.Cancel asChild>
-                    <Button variant="ghost">Cancel</Button>
-                </ComposerPrimitive.Cancel>
-                <ComposerPrimitive.Send asChild>
-                    <Button>Send</Button>
-                </ComposerPrimitive.Send>
-            </div>
-        </ComposerPrimitive.Root>
-    );
-};
-
-const AssistantMessage: FC = () => {
-    return (
-        <MessagePrimitive.Root className="grid grid-cols-[auto_auto_1fr] grid-rows-[auto_1fr] relative w-full max-w-[var(--thread-max-width)] py-4">
-            <div className="text-foreground max-w-[calc(var(--thread-max-width)*0.8)] break-words leading-7 col-span-2 col-start-2 row-start-1 my-1.5">
-                <MessagePrimitive.Content components={{ Text: MarkdownText }} />
-            </div>
-
-            <AssistantActionBar />
-
-            <BranchPicker className="col-start-2 row-start-2 -ml-2 mr-2" />
-        </MessagePrimitive.Root>
-    );
-};
-
-const AssistantActionBar: FC = () => {
-    return (
-        <ActionBarPrimitive.Root
-            hideWhenRunning
-            autohide="not-last"
-            autohideFloat="single-branch"
-            className="text-muted-foreground flex gap-1 col-start-3 row-start-2 -ml-1 data-[floating]:bg-background data-[floating]:absolute data-[floating]:rounded-md data-[floating]:border data-[floating]:p-1 data-[floating]:shadow-sm"
-        >
-            <ActionBarPrimitive.Copy asChild>
-                <TooltipIconButton tooltip="Copy">
-                    <MessagePrimitive.If copied>
-                        <CheckIcon />
-                    </MessagePrimitive.If>
-                    <MessagePrimitive.If copied={false}>
-                        <CopyIcon />
-                    </MessagePrimitive.If>
-                </TooltipIconButton>
-            </ActionBarPrimitive.Copy>
-            <ActionBarPrimitive.Reload asChild>
-                <TooltipIconButton tooltip="Refresh">
-                    <RefreshCwIcon />
-                </TooltipIconButton>
-            </ActionBarPrimitive.Reload>
-        </ActionBarPrimitive.Root>
-    );
-};
-
-const BranchPicker: FC<BranchPickerPrimitive.Root.Props> = ({
-    className,
-    ...rest
-}) => {
-    return (
-        <BranchPickerPrimitive.Root
-            hideWhenSingleBranch
-            className={cn(
-                "text-muted-foreground inline-flex items-center text-xs",
-                className
-            )}
-            {...rest}
-        >
-            <BranchPickerPrimitive.Previous asChild>
-                <TooltipIconButton tooltip="Previous">
-                    <ChevronLeftIcon />
-                </TooltipIconButton>
-            </BranchPickerPrimitive.Previous>
-            <span className="font-medium">
-                <BranchPickerPrimitive.Number /> /{" "}
-                <BranchPickerPrimitive.Count />
-            </span>
-            <BranchPickerPrimitive.Next asChild>
-                <TooltipIconButton tooltip="Next">
-                    <ChevronRightIcon />
-                </TooltipIconButton>
-            </BranchPickerPrimitive.Next>
-        </BranchPickerPrimitive.Root>
-    );
-};
-
-const CircleStopIcon = () => {
-    return (
-        <svg
-            xmlns="http://www.w3.org/2000/svg"
-            viewBox="0 0 16 16"
-            fill="currentColor"
-            width="16"
-            height="16"
-        >
-            <rect width="10" height="10" x="3" y="3" rx="2" />
-        </svg>
-    );
-};
diff --git a/components/assistant-ui/tooltip-icon-button.tsx b/components/assistant-ui/tooltip-icon-button.tsx
deleted file mode 100644
index b30f876..0000000
--- a/components/assistant-ui/tooltip-icon-button.tsx
+++ /dev/null
@@ -1,44 +0,0 @@
-"use client";
-
-import { ComponentPropsWithoutRef, forwardRef } from "react";
-
-import {
-  Tooltip,
-  TooltipContent,
-  TooltipProvider,
-  TooltipTrigger,
-} from "@/components/ui/tooltip";
-import { Button } from "@/components/ui/button";
-import { cn } from "@/lib/utils";
-
-export type TooltipIconButtonProps = ComponentPropsWithoutRef<typeof Button> & {
-  tooltip: string;
-  side?: "top" | "bottom" | "left" | "right";
-};
-
-export const TooltipIconButton = forwardRef<
-  HTMLButtonElement,
-  TooltipIconButtonProps
->(({ children, tooltip, side = "bottom", className, ...rest }, ref) => {
-  return (
-    <TooltipProvider>
-      <Tooltip>
-        <TooltipTrigger asChild>
-          <Button
-            variant="ghost"
-            size="icon"
-            {...rest}
-            className={cn("size-6 p-1", className)}
-            ref={ref}
-          >
-            {children}
-            <span className="sr-only">{tooltip}</span>
-          </Button>
-        </TooltipTrigger>
-        <TooltipContent side={side}>{tooltip}</TooltipContent>
-      </Tooltip>
-    </TooltipProvider>
-  );
-});
-
-TooltipIconButton.displayName = "TooltipIconButton";
diff --git a/components/chatPanel.tsx b/components/chatPanel.tsx
index ca80f60..4a28dda 100644
--- a/components/chatPanel.tsx
+++ b/components/chatPanel.tsx
@@ -9,7 +9,6 @@ import { Card, CardContent, CardFooter, CardHeader, CardTitle } from "@/componen
 import { ScrollArea } from "@/components/ui/scroll-area"
 import { Loader2, Send } from "lucide-react"
 import { useChat } from '@ai-sdk/react';
-import { ToolInvocation } from 'ai';
 
 interface ChatPanelProps {
     onDisplayChart: (xml: string) => void;
@@ -112,7 +111,7 @@ export default function ChatPanel({ onDisplayChart, onFetchChart }: ChatPanelPro
     };
 
     return (
-        <Card className="h-full flex flex-col">
+        <Card className="h-full flex flex-col rounded-none">
             <CardHeader className="pb-2">
                 <CardTitle>Chat with Diagram Generator</CardTitle>
             </CardHeader>
diff --git a/docs/drawio-xml-schema-guide.md b/docs/drawio-xml-schema-guide.md
deleted file mode 100644
index e69de29..0000000