chore: add CHANGELOG entry for #939

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: msukkari

CHANGELOG.md

@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Added `wa_user_created` PostHog event fired on successful user sign-up. [#933](https://github.com/sourcebot-dev/sourcebot/pull/933)
 - Added `wa_askgh_login_wall_prompted` PostHog event fired when an unauthenticated user attempts to ask a question on Ask GitHub. [#933](https://github.com/sourcebot-dev/sourcebot/pull/933)
 - Added Bitbucket Server (Data Center) OAuth 2.0 SSO identity provider support (`provider: "bitbucket-server"`). [#934](https://github.com/sourcebot-dev/sourcebot/pull/934)
+- Added login wall when anonymous users try to send messages on duplicated chats (askgh experiment). [#939](https://github.com/sourcebot-dev/sourcebot/pull/939)
 
 ### Changed
 - Hide version upgrade toast for askgithub deployment (`EXPERIMENT_ASK_GH_ENABLED`). [#931](https://github.com/sourcebot-dev/sourcebot/pull/931)

packages/web/src/app/[domain]/chat/[id]/components/chatThreadPanel.tsx

@@ -4,7 +4,6 @@ import { ResizablePanel } from '@/components/ui/resizable';
 import { ChatThread } from '@/features/chat/components/chatThread';
 import { LanguageModelInfo, SBChatMessage, SearchScope, SET_CHAT_STATE_SESSION_STORAGE_KEY, SetChatStatePayload } from '@/features/chat/types';
 import { RepositoryQuery, SearchContextQuery } from '@/lib/types';
-import type { IdentityProviderMetadata } from '@/lib/identityProviders';
 import { CreateUIMessage } from 'ai';
 import { useEffect, useState } from 'react';
 import { useChatId } from '../../useChatId';
@@ -19,8 +18,6 @@ interface ChatThreadPanelProps {
     isOwner: boolean;
     isAuthenticated: boolean;
     chatName?: string;
-    providers: IdentityProviderMetadata[];
-    isAskGhEnabled: boolean;
 }
 
 export const ChatThreadPanel = ({
@@ -32,8 +29,6 @@ export const ChatThreadPanel = ({
     isOwner,
     isAuthenticated,
     chatName,
-    providers,
-    isAskGhEnabled,
 }: ChatThreadPanelProps) => {
     // @note: we are guaranteed to have a chatId because this component will only be
     // mounted when on a /chat/[id] route.
@@ -81,8 +76,6 @@ export const ChatThreadPanel = ({
                     isOwner={isOwner}
                     isAuthenticated={isAuthenticated}
                     chatName={chatName}
-                    providers={providers}
-                    isAskGhEnabled={isAskGhEnabled}
                 />
             </div>
         </ResizablePanel>

packages/web/src/app/[domain]/chat/[id]/page.tsx

@@ -18,8 +18,6 @@ import { ChatVisibility } from '@sourcebot/db';
 import { Metadata } from 'next';
 import { SBChatMessage } from '@/features/chat/types';
 import { env, hasEntitlement } from '@sourcebot/shared';
-import { getIdentityProviderMetadata } from '@/lib/identityProviders';
-
 import { captureEvent } from '@/lib/posthog';
 
 interface PageProps {
@@ -152,9 +150,6 @@ export default async function Page(props: PageProps) {
 
     const hasChatSharingEntitlement = hasEntitlement('chat-sharing');
 
-    const isAskGhEnabled = env.EXPERIMENT_ASK_GH_ENABLED === 'true';
-    const providers = isAskGhEnabled ? getIdentityProviderMetadata() : [];
-
     return (
         <div className="flex flex-col h-screen w-screen">
             <TopBar
@@ -201,8 +196,6 @@ export default async function Page(props: PageProps) {
                     isOwner={isOwner}
                     isAuthenticated={!!session}
                     chatName={name ?? undefined}
-                    providers={providers}
-                    isAskGhEnabled={isAskGhEnabled}
                 />
             </ResizablePanelGroup>
         </div>

packages/web/src/features/chat/actions.ts

@@ -981,6 +981,16 @@ export const _getAISDKLanguageModelAndOptions = async (config: LanguageModel): P
 
 }
 
+export const getAskGhLoginWallData = async () => sew(async () => {
+    const isEnabled = env.EXPERIMENT_ASK_GH_ENABLED === 'true';
+    if (!isEnabled) {
+        return { isEnabled: false as const, providers: [] };
+    }
+
+    const { getIdentityProviderMetadata } = await import('@/lib/identityProviders');
+    return { isEnabled: true as const, providers: getIdentityProviderMetadata() };
+});
+
 const extractLanguageModelKeyValuePairs = async (
     pairs: {
         [k: string]: string | Token;

packages/web/src/features/chat/components/chatThread/chatThread.tsx

@@ -30,6 +30,7 @@ import { SignInPromptBanner } from './signInPromptBanner';
 import { DuplicateChatDialog } from '@/app/[domain]/chat/components/duplicateChatDialog';
 import { LoginModal } from '@/app/components/loginModal';
 import type { IdentityProviderMetadata } from '@/lib/identityProviders';
+import { getAskGhLoginWallData } from '../../actions';
 import { useParams } from 'next/navigation';
 
 type ChatHistoryState = {
@@ -50,8 +51,6 @@ interface ChatThreadProps {
     isOwner?: boolean;
     isAuthenticated?: boolean;
     chatName?: string;
-    providers?: IdentityProviderMetadata[];
-    isAskGhEnabled?: boolean;
 }
 
 export const ChatThread = ({
@@ -66,8 +65,6 @@ export const ChatThread = ({
     isOwner = true,
     isAuthenticated = false,
     chatName,
-    providers = [],
-    isAskGhEnabled = false,
 }: ChatThreadProps) => {
     const [isErrorBannerVisible, setIsErrorBannerVisible] = useState(false);
     const scrollAreaRef = useRef<HTMLDivElement>(null);
@@ -80,6 +77,7 @@ export const ChatThread = ({
     const [isContextSelectorOpen, setIsContextSelectorOpen] = useState(false);
     const [isDuplicateDialogOpen, setIsDuplicateDialogOpen] = useState(false);
     const [isLoginModalOpen, setIsLoginModalOpen] = useState(false);
+    const [loginWallProviders, setLoginWallProviders] = useState<IdentityProviderMetadata[]>([]);
     const hasRestoredPendingMessage = useRef(false);
     const captureEvent = useCaptureEvent();
 
@@ -212,7 +210,7 @@ export const ChatThread = ({
 
     // Restore pending message after OAuth redirect (askgh login wall)
     useEffect(() => {
-        if (!isAskGhEnabled || !isAuthenticated || !isOwner || hasRestoredPendingMessage.current) {
+        if (!isAuthenticated || !isOwner || hasRestoredPendingMessage.current) {
             return;
         }
 
@@ -240,7 +238,7 @@ export const ChatThread = ({
         } catch (error) {
             console.error('Failed to restore pending message:', error);
         }
-    }, [isAskGhEnabled, isAuthenticated, isOwner, chatId, sendMessage, selectedSearchScopes]);
+    }, [isAuthenticated, isOwner, chatId, sendMessage, selectedSearchScopes]);
 
     // Track scroll position changes.
     useEffect(() => {
@@ -329,12 +327,16 @@ export const ChatThread = ({
         }
     }, [error]);
 
-    const onSubmit = useCallback((children: Descendant[], editor: CustomEditor) => {
-        if (isAskGhEnabled && !isAuthenticated) {
-            captureEvent('wa_askgh_login_wall_prompted', {});
-            sessionStorage.setItem(PENDING_MESSAGE_STORAGE_KEY, JSON.stringify({ chatId, children }));
-            setIsLoginModalOpen(true);
-            return;
+    const onSubmit = useCallback(async (children: Descendant[], editor: CustomEditor) => {
+        if (!isAuthenticated) {
+            const result = await getAskGhLoginWallData();
+            if (!isServiceError(result) && result.isEnabled) {
+                captureEvent('wa_askgh_login_wall_prompted', {});
+                sessionStorage.setItem(PENDING_MESSAGE_STORAGE_KEY, JSON.stringify({ chatId, children }));
+                setLoginWallProviders(result.providers);
+                setIsLoginModalOpen(true);
+                return;
+            }
         }
 
         const text = slateContentToString(children);
@@ -346,7 +348,7 @@ export const ChatThread = ({
         setIsAutoScrollEnabled(true);
 
         resetEditor(editor);
-    }, [sendMessage, selectedSearchScopes, isAskGhEnabled, isAuthenticated, captureEvent, chatId]);
+    }, [sendMessage, selectedSearchScopes, isAuthenticated, captureEvent, chatId]);
 
     const onDuplicate = useCallback(async (newName: string): Promise<string | null> => {
         if (!defaultChatId) {
@@ -499,14 +501,12 @@ export const ChatThread = ({
                 )}
             </div>
 
-            {isAskGhEnabled && (
-                <LoginModal
-                    isOpen={isLoginModalOpen}
-                    onOpenChange={setIsLoginModalOpen}
-                    providers={providers}
-                    callbackUrl={typeof window !== 'undefined' ? window.location.href : ''}
-                />
-            )}
+            <LoginModal
+                isOpen={isLoginModalOpen}
+                onOpenChange={setIsLoginModalOpen}
+                providers={loginWallProviders}
+                callbackUrl={typeof window !== 'undefined' ? window.location.href : ''}
+            />
         </>
     );
 }