docs: hide Features sidebar items and remove architecture flow diagram

Author: suraj-yadav0

website/docs/technical/architecture.md

@@ -51,10 +51,6 @@ graph TD
     UI -->|Import / Call| State
     State -->|D-Bus / Sync Commands| Service
 ```
-
-![Architecture Flow Diagram](/img/snapshots/architecture.png)
-*Figure 1: Component layout and communication lines between UI, JavaScript models, and Python backend services.*
-
 ## Documentation intent
 
 This technical section should answer:

website/sidebars.js

@@ -7,8 +7,8 @@ const sidebars = {
         "user/overview",
         "user/install-and-run",
         "user/setup-and-sync",
-        "user/features",
-        "user/all-features",
+        // "user/features",
+        // "user/all-features",
         "user/troubleshooting",
         {
           type: "category",