Update graphs

docs/CONTRACT.md

@@ -148,75 +148,56 @@ The LMS user interface is designed for clarity, consistency, and ease of navigat
 The following diagram illustrates a high-level flow and component relationship within the user interface:
 
 ```mermaid
-flowchart TD
-  %% Layout Types (Vertical)
+---
+config:
+  theme: neo-dark
+---
+flowchart LR
   subgraph Layouts["Layouts"]
     Centered["🎯 Centered Layout (Login, Register)"]
     ThreeCol["🏛️ Three-Column Layout (Admin Dash)"]
     SplitCol["| Sidebar | Content | (Split Column Layout)"]
   end
-
-  %% Core Components
   Header["🧭 Header (Logo, Menu, User Profile Dropdown)"]
   Sidebar["📚 Sidebar (Optional, Collapsible)"]
   MainContent["🖥️ Main Content Area (Hosts Widgets/Pages)"]
   Footer["📎 Footer (Links, Copyright)"]
   Modal["P M Modal Container"]
-
-  %% Page Examples & Widget Hosting
   LoginPage["🔑 Login Page"]
   LoginWidget["🧩 Login Widget (SRP)"]
   RegisterButtonWidget["🧩 Button Widget -> Register"]
-
   RegisterPage["✍️ Register Page"]
   RegisterInfoWidget["🧩 Register Info Widget"]
   LoginButtonWidget["🧩 Button Widget -> Login"]
-
   DashboardPage["📊 Dashboard Page"]
   VariousWidgets["🧩 Various Dashboard Widgets"]
-
   ProfilePage["👤 Profile Page"]
   ProfileInfoWidget["🧩 Profile Info Widget (Pic, Name, ID, DOB)"]
   PostFeedWidget["🧩 Post Feed Widget"]
-
   AdminPage["⚙️ Admin Dashboard"]
   StudentsWidget["🧩 Students Widget"]
   TeachersWidget["🧩 Teachers Widget"]
-
   ManageStudentsPage["📋 Manage Students Page"]
   StudentTableWidget["🧩 Student Table Widget"]
-
-  %% Layout usage relationships (vertical chaining)
   LoginPage --> Centered
   RegisterPage --> Centered
   DashboardPage --> SplitCol
   ProfilePage --> SplitCol
   AdminPage --> ThreeCol
   ManageStudentsPage --> SplitCol
-
-  %% Containment relationships
   LoginPage --> LoginWidget
   LoginPage --> RegisterButtonWidget
-
   RegisterPage --> RegisterInfoWidget
   RegisterPage --> LoginButtonWidget
-
   DashboardPage --> VariousWidgets
-
   ProfilePage --> ProfileInfoWidget
   ProfilePage --> PostFeedWidget
-
   AdminPage --> StudentsWidget
   AdminPage --> TeachersWidget
-
   ManageStudentsPage --> StudentTableWidget
-
-  %% Core Component Relationships (chained vertically)
   Header --> Sidebar
   Sidebar --> MainContent
   MainContent --> Footer
-
-  %% Modal Triggering (vertical flow)
   UserProfile["User Profile"] --> Modal
   Modal --> AccountSettingsWidget["🧩 Account Settings Widget"]
   MenuLinks["Menu Links"] --> Modal
@@ -261,7 +242,7 @@ flowchart TD
   subgraph B["🐳 Docker Environment"]
     direction TB
     subgraph C["🚦 Actix Backend Container (lms-backend)"]
-        direction LR
+        direction TB
         ActixServer["🚀 Actix HTTP Server"] --> Middleware["🛡️ Middleware (CORS, Log, Auth*)"]
         Middleware --> Router["🗺️ Router (handlers.rs)"]
         Router --> Handlers["⚙️ Route Handlers"]
@@ -280,9 +261,6 @@ flowchart TD
   end
 
   A --> B
-
-  %% Notes
-
 ```
 
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