feat: add mock GitHub authentication provider and update activation events for mock chat provider

src/vs/sessions/test/e2e/extensions/mock-chat-provider/extension.js

@@ -11,6 +11,30 @@ const vscode = require('vscode');
  * @param {vscode.ExtensionContext} context
  */
 function activate(context) {
+	// Register a fake GitHub auth provider so the sessions welcome overlay
+	// sees a signed-in user and dismisses itself.
+	const fakeSession = {
+		id: 'fake-session-id',
+		accessToken: 'fake-token',
+		account: { id: 'test-user', label: 'Test User' },
+		scopes: ['read:user'],
+	};
+
+	context.subscriptions.push(
+		vscode.authentication.registerAuthenticationProvider(
+			'github',
+			'GitHub (Mock)',
+			{
+				onDidChangeSessions: new vscode.EventEmitter().event,
+				getSessions: async () => [fakeSession],
+				createSession: async () => fakeSession,
+				removeSession: async () => { },
+			},
+			{ supportsMultipleAccounts: false }
+		)
+	);
+
+	// Register a mock chat participant so chat input works without a real LLM.
 	const participant = vscode.chat.createChatParticipant(
 		'mock-chat-provider.mock',
 		async (_request, _context, stream, _token) => {

src/vs/sessions/test/e2e/extensions/mock-chat-provider/package.json

@@ -4,7 +4,7 @@
 	"description": "Provides a mock chat participant for agent sessions testing",
 	"version": "0.0.1",
 	"engines": { "vscode": "*" },
-	"activationEvents": ["onStartupFinished"],
+	"activationEvents": ["*"],
 	"main": "./extension.js",
 	"contributes": {
 		"chatParticipants": [