CLI_TITLE env var for setting the CLI title (#748)

packages/cli/src/config/settings.ts

@@ -35,7 +35,6 @@ export interface Settings {
   mcpServers?: Record<string, MCPServerConfig>;
   showMemoryUsage?: boolean;
   contextFileName?: string;
-  title?: string;
   accessibility?: AccessibilitySettings;
 
   // Git-aware file filtering settings

packages/cli/src/ui/App.tsx

@@ -337,7 +337,7 @@ export const App = ({
           key={staticKey}
           items={[
             <Box flexDirection="column" key="header">
-              <Header title={settings.merged.title} />
+              <Header title={process.env.CLI_TITLE} />
               <Tips config={config} />
             </Box>,
             ...history.map((h) => (