clea up code and layout

app/auth_runtime.py

@@ -3,8 +3,30 @@ import yaml
 from yaml.loader import SafeLoader
 import streamlit_authenticator as stauth
 from streamlit_authenticator.utilities.exceptions import LoginError
+from auth import (
+    load_credentials_from_db, 
+    needs_password_change, 
+    update_password, 
+    get_role_for_user, 
+    get_fullname_for_user, 
+    get_sidebar
+)
+
+
+st.markdown("""
+    <style>
+    /* Streamlit Hamburger-Menü ausblenden */
+    div[data-testid="stToolbar"] {
+        visibility: hidden !important;
+    }
+
+    /* Optional: ganz entfernen statt nur unsichtbar machen */
+    div[data-testid="stDecoration"] {
+        display: none !important;
+    }
+    </style>
+    """, unsafe_allow_html=True)
 
-from auth import load_credentials_from_db, needs_password_change, update_password
 
 def get_authenticator():
     with open("config/auth.yaml", "r", encoding="utf-8") as f:
@@ -41,8 +63,23 @@ def require_login():
         st.warning("Bitte Benutzername und Passwort eingeben.")
         st.stop()
 
-    # Passwortwechsel erzwingen
+    #--------------------------------------------------------------------------------------
+    # Ab hier bin ich eingeloggt
+    #--------------------------------------------------------------------------------------
+
     username = st.session_state.get("username")
+
+    if "df_sidebar" not in st.session_state:
+        role_text = get_role_for_user(username)
+        fullname = get_fullname_for_user(username)
+        sidebar = get_sidebar(role_text, username)
+
+        st.session_state["role_text"] = role_text
+        st.session_state["fullname"] = fullname
+        st.session_state["df_sidebar"] = sidebar
+
+    # Passwortwechsel erzwingen
+    
     if needs_password_change(username):
         st.warning("Du musst dein Passwort ändern, bevor du die Anwendung nutzen kannst.")