chore: remove Atlas Sign-In logic COMPASS-9595

Since we're removing the signin requirement from the AI features we do not hacve any components in need of the Atlas sign-in flows. As it's also built using a pattern we have deviated from, it's best to remove it now and re-add it through a different structure later if needed.

Author: gagik

docs/security-test-summary.md

@@ -7,11 +7,6 @@ including the specific instances listed below.
 
 # Security Tests
 
-## Atlas Login Integration Tests
-
-The Atlas Login feature is thoroughly tested, including proper authentication token
-handling and credential revocation upon signout.
-
 <!-- Source File: `packages/atlas-service/src/main.spec.ts` -->
 
 ## Connection Import / Export Testing

docs/tracking-plan.md

@@ -121,8 +121,6 @@ Generated on Sun, Jul 27, 2025
 
 - [AI Opt In Modal Shown](#event--AiOptInModalShownEvent)
 - [AI Opt In Modal Dismissed](#event--AiOptInModalDismissedEvent)
-- [AI Sign In Modal Shown](#event--AiSignInModalShownEvent)
-- [AI Sign In Modal Dismissed](#event--AiSignInModalDismissedEvent)
 - [AI Generate Query Clicked](#event--AiGenerateQueryClickedEvent)
 - [AI Prompt Submitted](#event--AiPromptSubmittedEvent)
 - [AI Query Feedback](#event--AiQueryFeedbackEvent)
@@ -1392,18 +1390,6 @@ This event is fired when the AI Opt-In Modal is shown to the user.
 
 This event is fired when the AI Opt-In Modal is dismissed by the user.
 
-<a name="event--AiSignInModalShownEvent"></a>
-
-### AI Sign In Modal Shown
-
-This event is fired when the AI Sign-In Modal is shown to the user.
-
-<a name="event--AiSignInModalDismissedEvent"></a>
-
-### AI Sign In Modal Dismissed
-
-This event is fired when the AI Sign-In Modal is dismissed by the user.
-
 <a name="event--AiGenerateQueryClickedEvent"></a>
 
 ### AI Generate Query Clicked

packages/compass-e2e-tests/helpers/selectors.ts

@@ -1382,14 +1382,6 @@ export const ModifySourceBanner = '[data-testid="modify-source-banner"]';
 export const InsightIconButton = '[data-testid="insight-badge-button"]';
 export const InsightPopoverCard = '[data-testid="insight-signal-card"]';
 
-// Atlas login
-export const LogInWithAtlasButton = 'button=Log in with Atlas';
-export const LogInWithAtlasModalButton = 'button*=Log in to Atlas';
-export const DisconnectAtlasAccountButton = 'button=Log Out';
-export const AtlasLoginStatus = '[data-testid="atlas-login-status"]';
-export const AtlasLoginErrorToast = '#atlas-sign-in-error';
-export const AgreeAndContinueButton = 'button=Agree and continue';
-
 // Proxy settings
 export const ProxyUrl =
   '[data-testid="proxy-settings"] [data-testid="proxy-url"]';

packages/compass-generative-ai/src/components/ai-signin-modal.tsx

@@ -1,5 +1,4 @@
 import React from 'react';
-import AISignInModal from './ai-signin-modal';
 import AIOptInModal from './ai-optin-modal';
 import { ConfirmationModalArea } from '@mongodb-js/compass-components';
 
@@ -12,7 +11,6 @@ export const AtlasAiPlugin: React.FunctionComponent<AtlasAiPluginProps> = ({
 }) => {
   return (
     <ConfirmationModalArea>
-      <AISignInModal></AISignInModal>
       <AIOptInModal projectId={projectId}></AIOptInModal>
     </ConfirmationModalArea>
   );

packages/compass-generative-ai/src/components/plugin.tsx

@@ -1,10 +1,5 @@
 import { createStore, applyMiddleware, combineReducers } from 'redux';
 import thunk from 'redux-thunk';
-import signInReducer, {
-  atlasServiceSignedIn,
-  atlasServiceSignedOut,
-  atlasServiceSignInTokenRefreshFailed,
-} from './atlas-signin-reducer';
 import optInReducer from './atlas-optin-reducer';
 import type { AtlasAuthService } from '@mongodb-js/atlas-service/provider';
 import type { AtlasAiService } from '../atlas-ai-service';
@@ -21,7 +16,6 @@ export function getStore() {
   return store;
 }
 const reducer = combineReducers({
-  signIn: signInReducer,
   optIn: optInReducer,
 });
 
@@ -33,17 +27,7 @@ export function activatePlugin(
   { cleanup }: ActivateHelpers
 ) {
   store = configureStore(services);
-  services.atlasAuthService.on('signed-in', () => {
-    void store.dispatch(atlasServiceSignedIn());
-  });
 
-  services.atlasAuthService.on('signed-out', () => {
-    void store.dispatch(atlasServiceSignedOut());
-  });
-
-  services.atlasAuthService.on('token-refresh-failed', () => {
-    void store.dispatch(atlasServiceSignInTokenRefreshFailed());
-  });
   return { store, deactivate: cleanup };
 }
 export type CompassGenerativeAIExtraArgs = {