Update app.py

app.py

@@ -32,27 +32,30 @@ if huggingface_api_key:
 # Session State
 # =======================
 if "projects" not in st.session_state:
-    st.session_state.projects = {"Default Chat": {"tab": "generate", "history": []}}
+    st.session_state.projects = {"Chat 1": {"tab": "generate", "history": []}}
 if "active_project" not in st.session_state:
-    st.session_state.active_project = "Default Chat"
+    st.session_state.active_project = "Chat 1"
 
 
 # =======================
-# Sidebar Project Manager
+# Sidebar Project Manager (Fixed)
 # =======================
 st.sidebar.title("📂 Chats / Projects")
 
-# Sidebar only scrolls when hovered
+# 🔥 Make sidebar fixed
 st.markdown(
     """
     <style>
     [data-testid="stSidebar"] {
-        overflow-y: hidden !important;   /* No scroll by default */
+        position: fixed !important;
+        top: 0;
+        left: 0;
+        bottom: 0;
         height: 100vh !important;
+        overflow-y: auto !important;   /* scroll if too many chats */
+        padding-bottom: 2rem;
     }
-    [data-testid="stSidebar"]:hover {
-        overflow-y: auto !important;    /* Scroll only when hovered */
-    }
+    [data-testid="stSidebarNav"] {display: none;} /* remove default nav spacing */
     </style>
     """,
     unsafe_allow_html=True