added flag to enable disable repo management

app.py

@@ -28,6 +28,8 @@ Settings.llm = llm
 Settings.embed_model = embed_model
 Settings.node_parser = SentenceSplitter(chunk_size=3072)
 
+# Environment variable to control repository management visibility
+ENABLE_REPO_MANAGEMENT = os.getenv("ENABLE_REPO_MANAGEMENT", "true").lower() == "true"
 
 def get_available_repositories():
     return get_available_repos()
@@ -1071,7 +1073,7 @@ with gr.Blocks(title="Doc-MCP") as demo:
         # ================================
         # Tab 3: Repository Management
         # ================================
-        with gr.TabItem("🗂️ Repository Management"):
+        with gr.TabItem("🗂️ Repository Management", visible=ENABLE_REPO_MANAGEMENT):
             gr.Markdown(
                 "Manage your ingested repositories - view details and delete repositories when needed."
             )