fix(model): let Codex setup reuse or reauthenticate

hermes_cli/main.py

@@ -2328,7 +2328,41 @@ def _model_flow_openai_codex(config, current_model=""):
     from hermes_cli.codex_models import get_codex_model_ids
 
     status = get_codex_auth_status()
-    if not status.get("logged_in"):
+    if status.get("logged_in"):
+        print("  OpenAI Codex credentials: ✓")
+        print()
+        print("    1. Use existing credentials")
+        print("    2. Reauthenticate (new OAuth login)")
+        print("    3. Cancel")
+        print()
+        try:
+            choice = input("  Choice [1/2/3]: ").strip()
+        except (KeyboardInterrupt, EOFError):
+            choice = "1"
+
+        if choice == "2":
+            print("Starting a fresh OpenAI Codex login...")
+            print()
+            try:
+                mock_args = argparse.Namespace()
+                _login_openai_codex(
+                    mock_args,
+                    PROVIDER_REGISTRY["openai-codex"],
+                    force_new_login=True,
+                )
+            except SystemExit:
+                print("Login cancelled or failed.")
+                return
+            except Exception as exc:
+                print(f"Login failed: {exc}")
+                return
+            status = get_codex_auth_status()
+            if not status.get("logged_in"):
+                print("Login failed.")
+                return
+        elif choice == "3":
+            return
+    else:
         print("Not logged into OpenAI Codex. Starting login...")
         print()
         try: