Add "continue in your own agent" CTA to dashboard AI chats (#1778)

apps/dashboard/src/components/assistant-ui/thread.tsx

@@ -1,6 +1,7 @@
 import { MarkdownText } from "@/components/assistant-ui/markdown-text";
 import { TooltipIconButton } from "@/components/assistant-ui/tooltip-icon-button";
 import { Button, useToast } from "@/components/ui";
+import { getPublicEnvVar } from "@/lib/env";
 import { cn } from "@/lib/utils";
 import {
   validateComposerImageCount,
@@ -19,13 +20,14 @@ import {
   useMessage,
   useThreadRuntime,
   type PendingAttachment,
+  type ThreadMessage,
 } from "@assistant-ui/react";
-import { ArrowClockwiseIcon, ArrowDownIcon, CaretLeftIcon, CaretRightIcon, CheckIcon, CopyIcon, ImageIcon, PaperPlaneRightIcon, PencilSimpleIcon, WarningCircle, XIcon } from "@phosphor-icons/react";
+import { ArrowClockwiseIcon, ArrowDownIcon, CaretLeftIcon, CaretRightIcon, CheckIcon, CopyIcon, ImageIcon, PaperPlaneRightIcon, PencilSimpleIcon, PlugsConnectedIcon, WarningCircle, XIcon } from "@phosphor-icons/react";
 import {
   MAX_IMAGES_PER_MESSAGE,
 } from "@hexclave/shared/dist/ai/image-limits";
 import { runAsynchronously } from "@hexclave/shared/dist/utils/promises";
-import { createContext, useContext, useEffect, useMemo, useRef, useState, type ComponentProps, type FC, type ReactNode } from "react";
+import { createContext, useCallback, useContext, useEffect, useMemo, useRef, useState, type ComponentProps, type FC, type ReactNode } from "react";
 
 type AssistantContentComponents = ComponentProps<typeof MessagePrimitive.Content>["components"];
 const AssistantContentComponentsContext = createContext<AssistantContentComponents | undefined>(undefined);
@@ -68,7 +70,14 @@ export const Thread: FC<{
   /** Overrides for the assistant message content slots (Text / tools / etc.). */
   assistantContentComponents?: AssistantContentComponents,
   autoFocusComposer?: boolean,
-}> = ({ useOffWhiteLightMode = false, composerPlaceholder, hideMessageActions = false, runningStatusMessages, composerAttachments = false, attachmentAdapter, welcome, assistantContentComponents, autoFocusComposer = true }) => {
+  /**
+   * Shows a subtle line beneath the composer inviting the user to continue the
+   * conversation in their own coding agent (via the Hexclave MCP server) or to
+   * copy the chat transcript so they can paste it elsewhere. Enable this on the
+   * general-purpose dashboard AI chats (command center, companion widget).
+   */
+  agentEjectFooter?: boolean,
+}> = ({ useOffWhiteLightMode = false, composerPlaceholder, hideMessageActions = false, runningStatusMessages, composerAttachments = false, attachmentAdapter, welcome, assistantContentComponents, autoFocusComposer = true, agentEjectFooter = false }) => {
   return (
     <HideMessageActionsContext.Provider value={hideMessageActions}>
       <HasRunningStatusContext.Provider value={!!runningStatusMessages}>
@@ -111,6 +120,7 @@ export const Thread: FC<{
                   <div className="sticky bottom-0 mt-2 flex w-full max-w-[var(--thread-max-width)] flex-col items-center justify-end pt-6 pb-3">
                     <ThreadScrollToBottom />
                     <Composer placeholder={composerPlaceholder} autoFocus={autoFocusComposer} />
+                    {agentEjectFooter && <AgentEjectFooter />}
                   </div>
                 </ThreadPrimitive.Viewport>
               </ThreadPrimitive.Root>
@@ -547,6 +557,92 @@ const Composer: FC<{ placeholder?: ComposerPlaceholder, autoFocus?: boolean }> =
   );
 };
 
+function serializeThreadToMarkdown(messages: readonly ThreadMessage[]): string {
+  const blocks: string[] = [];
+  for (const message of messages) {
+    if (message.role !== "user" && message.role !== "assistant") continue;
+    const text = (typeof message.content === "string"
+      ? message.content
+      : message.content.map((part) => (part.type === "text" ? part.text : "")).join("")
+    ).trim();
+    if (text.length === 0) continue;
+    blocks.push(`## ${message.role === "user" ? "User" : "Assistant"}\n\n${text}`);
+  }
+  return blocks.join("\n\n");
+}
+
+/**
+ * Subtle call-to-action beneath the composer that lets a user "eject" a chat
+ * they started in the dashboard into their own coding agent — either by wiring
+ * up the Hexclave MCP server (live docs + tools) or by copying the transcript
+ * to paste wherever they like.
+ */
+const AgentEjectFooter: FC = () => {
+  const threadRuntime = useThreadRuntime();
+  const { toast } = useToast();
+  const [copied, setCopied] = useState(false);
+  const [messageCount, setMessageCount] = useState(() => threadRuntime.getState().messages.length);
+
+  useEffect(() => {
+    const sync = () => setMessageCount(threadRuntime.getState().messages.length);
+    sync();
+    return threadRuntime.subscribe(sync);
+  }, [threadRuntime]);
+
+  const mcpDocsUrl = useMemo(() => {
+    const base = (getPublicEnvVar("NEXT_PUBLIC_STACK_DOCS_BASE_URL") ?? "https://docs.hexclave.com").replace(/\/$/, "");
+    return `${base}/guides/getting-started/ai-integration#option-3-mcp`;
+  }, []);
+
+  const hasMessages = messageCount > 0;
+
+  const handleCopy = useCallback(async () => {
+    const markdown = serializeThreadToMarkdown(threadRuntime.getState().messages);
+    if (markdown.length === 0) {
+      toast({ description: "No chat history to copy yet." });
+      return;
+    }
+    await navigator.clipboard.writeText(markdown);
+    setCopied(true);
+    setTimeout(() => setCopied(false), 1500);
+  }, [threadRuntime, toast]);
+
+  const linkClass = "inline-flex items-center gap-1 font-medium underline decoration-foreground/20 underline-offset-2 transition-colors hover:transition-none hover:text-foreground hover:decoration-foreground/40";
+
+  return (
+    <div className="mt-2 flex flex-wrap items-center justify-center gap-x-1.5 gap-y-0.5 px-2 text-center text-[11px] leading-relaxed text-muted-foreground/50">
+      <span>Want to continue in your own agent?</span>
+      <a
+        href={mcpDocsUrl}
+        target="_blank"
+        rel="noopener noreferrer"
+        className={cn(linkClass, "text-foreground/70")}
+      >
+        <PlugsConnectedIcon className="h-3 w-3" weight="bold" />
+        Install our MCP server
+      </a>
+      <span className="text-muted-foreground/40">or</span>
+      <button
+        type="button"
+        onClick={() => runAsynchronously(handleCopy())}
+        disabled={!hasMessages}
+        className={cn(
+          hasMessages
+            ? cn(linkClass, "text-foreground/70")
+            : "inline-flex cursor-not-allowed items-center gap-1 font-medium text-muted-foreground/40",
+        )}
+      >
+        {copied ? (
+          <CheckIcon className="h-3 w-3 text-green-500" weight="bold" />
+        ) : (
+          <CopyIcon className="h-3 w-3" />
+        )}
+        {copied ? "Copied!" : "Copy chat history"}
+      </button>
+    </div>
+  );
+};
+
 const ComposerAction: FC = () => {
   return (
     <div className="flex items-center gap-2">

apps/dashboard/src/components/commands/ask-ai.tsx

@@ -88,6 +88,7 @@ const AIChatPreviewInner = memo(function AIChatPreview({
           composerAttachments
           attachmentAdapter={attachmentAdapter}
           autoFocusComposer={false}
+          agentEjectFooter
         />
       </div>
     </AssistantRuntimeProvider>

apps/dashboard/src/components/hexclave-companion/ai-chat-widget.tsx

@@ -527,6 +527,7 @@ function AIChatWidgetInner({
           welcome={<AskAiWelcome />}
           composerAttachments
           attachmentAdapter={attachmentAdapter}
+          agentEjectFooter
         />
       </div>
     </AssistantRuntimeProvider>