Stop using AuthManager as the source of codex_home (#8846)

codex-rs/tui2/src/app.rs

@@ -407,7 +407,11 @@ impl App {
         let (app_event_tx, mut app_event_rx) = unbounded_channel();
         let app_event_tx = AppEventSender::new(app_event_tx);
 
-        let thread_manager = Arc::new(ThreadManager::new(auth_manager.clone(), SessionSource::Cli));
+        let thread_manager = Arc::new(ThreadManager::new(
+            config.codex_home.clone(),
+            auth_manager.clone(),
+            SessionSource::Cli,
+        ));
         let mut model = thread_manager
             .get_models_manager()
             .get_model(&config.model, &config)

codex-rs/tui2/src/chatwidget/tests.rs

@@ -363,6 +363,7 @@ async fn make_chatwidget_manual(
         skills: None,
     });
     let auth_manager = AuthManager::from_auth_for_testing(CodexAuth::from_api_key("test"));
+    let codex_home = cfg.codex_home.clone();
     let widget = ChatWidget {
         app_event_tx,
         codex_op_tx: op_tx,
@@ -371,7 +372,7 @@ async fn make_chatwidget_manual(
         config: cfg,
         model: resolved_model.clone(),
         auth_manager: auth_manager.clone(),
-        models_manager: Arc::new(ModelsManager::new(auth_manager)),
+        models_manager: Arc::new(ModelsManager::new(codex_home, auth_manager)),
         session_header: SessionHeader::new(resolved_model),
         initial_user_message: None,
         token_info: None,
@@ -410,7 +411,10 @@ async fn make_chatwidget_manual(
 fn set_chatgpt_auth(chat: &mut ChatWidget) {
     chat.auth_manager =
         AuthManager::from_auth_for_testing(CodexAuth::create_dummy_chatgpt_auth_for_testing());
-    chat.models_manager = Arc::new(ModelsManager::new(chat.auth_manager.clone()));
+    chat.models_manager = Arc::new(ModelsManager::new(
+        chat.config.codex_home.clone(),
+        chat.auth_manager.clone(),
+    ));
 }
 
 pub(crate) async fn make_chatwidget_manual_with_sender() -> (