Add Gemini provider, remove legacy Google OAuth, and tune generation defaults

packages/cli/src/ui/AppContainer.tsx

@@ -32,7 +32,6 @@ import {
   type Config,
   type IdeInfo,
   type IdeContext,
-  type UserTierId,
   DEFAULT_GEMINI_FLASH_MODEL,
   IdeClient,
   ideContextStore,
@@ -48,7 +47,6 @@ import { useHistory } from './hooks/useHistoryManager.js';
 import { useMemoryMonitor } from './hooks/useMemoryMonitor.js';
 import { useThemeCommand } from './hooks/useThemeCommand.js';
 import { useAuthCommand } from './auth/useAuth.js';
-import { useQuotaAndFallback } from './hooks/useQuotaAndFallback.js';
 import { useEditorSettings } from './hooks/useEditorSettings.js';
 import { useSettingsCommand } from './hooks/useSettingsCommand.js';
 import { useModelCommand } from './hooks/useModelCommand.js';
@@ -192,8 +190,6 @@ export const AppContainer = (props: AppContainerProps) => {
 
   const [currentModel, setCurrentModel] = useState(getEffectiveModel());
 
-  const [userTier] = useState<UserTierId | undefined>(undefined);
-
   const [isConfigInitialized, setConfigInitialized] = useState(false);
 
   const [userMessages, setUserMessages] = useState<string[]>([]);
@@ -367,14 +363,6 @@ export const AppContainer = (props: AppContainerProps) => {
     cancelAuthentication,
   } = useAuthCommand(settings, config, historyManager.addItem);
 
-  const { proQuotaRequest, handleProQuotaChoice } = useQuotaAndFallback({
-    config,
-    historyManager,
-    userTier,
-    setAuthState,
-    setModelSwitchedFromQuotaError,
-  });
-
   useInitializationAuthError(initializationResult.authError, onAuthError);
 
   // Sync user tier from config when authentication changes
@@ -752,8 +740,7 @@ export const AppContainer = (props: AppContainerProps) => {
     !initError &&
     !isProcessing &&
     (streamingState === StreamingState.Idle ||
-      streamingState === StreamingState.Responding) &&
-    !proQuotaRequest;
+      streamingState === StreamingState.Responding);
 
   const [controlsHeight, setControlsHeight] = useState(0);
 
@@ -1206,7 +1193,6 @@ export const AppContainer = (props: AppContainerProps) => {
     isAuthenticating ||
     isEditorDialogOpen ||
     showIdeRestartPrompt ||
-    !!proQuotaRequest ||
     isSubagentCreateDialogOpen ||
     isAgentsManagerDialogOpen ||
     isApprovalModeDialogOpen ||
@@ -1277,8 +1263,6 @@ export const AppContainer = (props: AppContainerProps) => {
       showWorkspaceMigrationDialog,
       workspaceExtensions,
       currentModel,
-      userTier,
-      proQuotaRequest,
       contextFileNames,
       errorCount,
       availableTerminalHeight,
@@ -1367,8 +1351,6 @@ export const AppContainer = (props: AppContainerProps) => {
       showAutoAcceptIndicator,
       showWorkspaceMigrationDialog,
       workspaceExtensions,
-      userTier,
-      proQuotaRequest,
       contextFileNames,
       errorCount,
       availableTerminalHeight,
@@ -1430,7 +1412,6 @@ export const AppContainer = (props: AppContainerProps) => {
       handleClearScreen,
       onWorkspaceMigrationDialogOpen,
       onWorkspaceMigrationDialogClose,
-      handleProQuotaChoice,
       // Vision switch dialog
       handleVisionSwitchSelect,
       // Welcome back dialog
@@ -1468,7 +1449,6 @@ export const AppContainer = (props: AppContainerProps) => {
       handleClearScreen,
       onWorkspaceMigrationDialogOpen,
       onWorkspaceMigrationDialogClose,
-      handleProQuotaChoice,
       handleVisionSwitchSelect,
       handleWelcomeBackSelection,
       handleWelcomeBackClose,