fix chat scroll and role section (#972)

Co-authored-by: claude[bot] <41898282+claude[bot]@users.noreply.github.com>
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

apps/web/components/chat/index.tsx

@@ -248,6 +248,11 @@ export function ChatSidebar({
 		id: string
 		messages: UIMessage[]
 	} | null>(null)
+	const [loadedThreadScrollTarget, setLoadedThreadScrollTarget] = useState<{
+		id: string
+		messageCount: number
+		lastMessageId: string | null
+	} | null>(null)
 
 	// Adjust chat height based on scroll position (desktop only, grid mode only)
 	useEffect(() => {
@@ -298,6 +303,13 @@ export function ChatSidebar({
 	useEffect(() => {
 		if (pendingThreadLoad && currentChatId === pendingThreadLoad.id) {
 			setMessages(pendingThreadLoad.messages)
+			setLoadedThreadScrollTarget({
+				id: pendingThreadLoad.id,
+				messageCount: pendingThreadLoad.messages.length,
+				lastMessageId:
+					pendingThreadLoad.messages[pendingThreadLoad.messages.length - 1]
+						?.id ?? null,
+			})
 			setPendingThreadLoad(null)
 		}
 	}, [currentChatId, pendingThreadLoad, setMessages])
@@ -653,15 +665,39 @@ export function ChatSidebar({
 		}
 	}, [queuedMessage])
 
-	// Scroll to bottom when a new user message is added
+	// Scroll to bottom when a new user message is added or a thread is loaded
 	useEffect(() => {
+		const lastMessageId = messages[messages.length - 1]?.id ?? null
+		const loadedThreadIsRendered =
+			loadedThreadScrollTarget &&
+			currentChatId === loadedThreadScrollTarget.id &&
+			messages.length === loadedThreadScrollTarget.messageCount &&
+			lastMessageId === loadedThreadScrollTarget.lastMessageId
+
+		if (loadedThreadIsRendered) {
+			// Trigger the same scroll behavior as the button after loaded messages render.
+			scrollToBottom()
+			setTimeout(scrollToBottom, 50)
+			setTimeout(scrollToBottom, 150)
+			setTimeout(() => {
+				scrollToBottom()
+				setLoadedThreadScrollTarget(null)
+			}, 300)
+			return
+		}
 		const lastMessage = messages[messages.length - 1]
 		if (lastMessage?.role === "user" && messagesContainerRef.current) {
 			scrollToBottom()
 		} else {
 			checkIfScrolledToBottom()
 		}
-	}, [messages, checkIfScrolledToBottom, scrollToBottom])
+	}, [
+		currentChatId,
+		loadedThreadScrollTarget,
+		messages,
+		checkIfScrolledToBottom,
+		scrollToBottom,
+	])
 
 	useEffect(() => {
 		const isStreaming = status === "streaming"

apps/web/components/dashboard-view.tsx

@@ -268,6 +268,22 @@ const PROFESSION_LABELS: {
 	{ value: "medical", label: "Medical" },
 ]
 
+function getChangeProfessionPrompt(profession: Profession): string {
+	const prompts: Record<Exclude<Profession, "default">, string> = {
+		developer: "Not a developer?",
+		research: "Not a researcher?",
+		finance: "Not in finance?",
+		design: "Not a designer?",
+		legal: "Not in the legal field?",
+		marketing: "Not in marketing?",
+		medical: "Not in healthcare?",
+	}
+	if (profession === "default") {
+		return "Not your role?"
+	}
+	return prompts[profession] ?? "Not your role?"
+}
+
 // Static plugin metadata — shared between PluginPromoCard and RecommendedPluginsCard
 const PLUGIN_STATIC = [
 	{
@@ -353,7 +369,7 @@ function RecommendedPluginsCard({
 		return PLUGIN_STATIC.map((p) => ({
 			...p,
 			connected: connected[p.id] ?? false,
-			onClick: onClicks[p.id]!,
+			onClick: onClicks[p.id] ?? (() => {}),
 		}))
 	}, [hasMcp, connectedProviders, onOpenPlugins, onOpenIntegrations])
 
@@ -446,11 +462,7 @@ function RecommendedPluginsCard({
 						onClick={() => setIsEditing(true)}
 						className="text-left px-2 pb-1 text-[10px] text-fg-faint hover:text-fg-muted transition-colors cursor-pointer"
 					>
-						Not a{" "}
-						{PROFESSION_LABELS.find(
-							(p) => p.value === profession,
-						)?.label.toLowerCase()}
-						? Change →
+						{getChangeProfessionPrompt(profession)} Change role →
 					</button>
 				</>
 			)}
@@ -525,7 +537,7 @@ function PluginPromoCard({
 		return PLUGIN_STATIC.map((p) => ({
 			...p,
 			connected: connected[p.id] ?? false,
-			onClick: onClicks[p.id]!,
+			onClick: onClicks[p.id] ?? (() => {}),
 		})).filter((p) => !p.connected)
 	}, [hasMcp, connectedProviders, onOpenPlugins, onOpenIntegrations])
 
@@ -628,7 +640,7 @@ export function DashboardView({
 	onOpenSearch,
 	onOpenIntegrations,
 	onOpenPlugins,
-	onNavigateToMemories,
+	onNavigateToMemories: _onNavigateToMemories,
 	onNavigateToGraph,
 	onOpenDocument,
 	onHighlightsChat,