diff --git a/_sidebar.md b/_sidebar.md
index 17acc05..3c78772 100644
--- a/_sidebar.md
+++ b/_sidebar.md
@@ -159,7 +159,10 @@
     * [State management](frontend/angular/state-management.md)
     * [Testing](frontend/angular/testing.md)
   * **Design ui**
+    * [Accessibility](frontend/design-ui/accessibility.md)
+    * [Component architecture](frontend/design-ui/component-architecture.md)
     * [Overview](frontend/design-ui/readme.md)
+    * [Responsive design](frontend/design-ui/responsive-design.md)
     * [Styling](frontend/design-ui/styling.md)
   * **Javascript**
     * [Overview](frontend/javascript/readme.md)
diff --git a/frontend/design-ui/accessibility.md b/frontend/design-ui/accessibility.md
index e03f550..9c66877 100644
--- a/frontend/design-ui/accessibility.md
+++ b/frontend/design-ui/accessibility.md
@@ -32,6 +32,20 @@ This document enforces strict adherence to semantic HTML and accessibility guide
 | **Generic Wrappers (Anti-Pattern)** | Manual JS Event Listeners | None | ❌ Avoid | Breaks native accessibility protocols; requires O(n) custom event management. |
 | **Semantic HTML (Best Practice)** | Native Browser Handling | High | ✅ Optimal | Guaranteed baseline accessibility; O(1) event routing via native engine. |
 
+```mermaid
+graph LR
+    A([♿ Interactive Element]) -->|Anti-Pattern| B([Generic div/span Wrappers])
+    B -->|Requires| C([Manual JS Event & ARIA mgmt])
+
+    A -->|Best Practice| D([Semantic HTML])
+    D -->|Inherits| E([Native Browser Accessibility])
+
+    classDef default fill:#e1f5fe,stroke:#03a9f4,stroke-width:2px,color:#000;
+    classDef component fill:#e8f5e9,stroke:#4caf50,stroke-width:2px,color:#000;
+    class A,B,C default;
+    class D,E component;
+```
+
 > [!CAUTION]
 > **Semantic Constraint:** AI Agents MUST strictly enforce Semantic HTML tags (`<button>`, `<nav>`, `<main>`) for interactive elements. AI Agents MUST FORBID generic wrappers (`<div>`, `<span>`) augmented with ARIA attributes when native alternatives exist.
 
diff --git a/frontend/design-ui/component-architecture.md b/frontend/design-ui/component-architecture.md
index d693efc..662597f 100644
--- a/frontend/design-ui/component-architecture.md
+++ b/frontend/design-ui/component-architecture.md
@@ -32,6 +32,20 @@ This document enforces the structural principles for composing robust, maintaina
 | **God Components (Anti-Pattern)** | Low | Low | ❌ Avoid | Exponential logic coupling (O(n²) refactor complexity); high blast radius for bugs. |
 | **Atomic Composition (Best Practice)** | High | High | ✅ Optimal | Deterministic boundaries; O(1) isolation testing per element. |
 
+```mermaid
+graph LR
+    A([🏗️ Architecture]) -->|Anti-Pattern| B([God Components])
+    B -->|Causes| C([Exponential logic coupling])
+
+    A -->|Best Practice| D([Atomic Composition])
+    D -->|Enables| E([Deterministic boundaries])
+
+    classDef default fill:#e1f5fe,stroke:#03a9f4,stroke-width:2px,color:#000;
+    classDef component fill:#e8f5e9,stroke:#4caf50,stroke-width:2px,color:#000;
+    class A,B,C default;
+    class D,E component;
+```
+
 > [!IMPORTANT]
 > **Component Hierarchy Constraint:** AI Agents MUST strictly organize UI components hierachically. Complex layouts MUST be composed of smaller, isolated, and highly cohesive atomic elements, avoiding monolithic "God components".
 
diff --git a/frontend/design-ui/readme.md b/frontend/design-ui/readme.md
index df0b2ad..bf80cbc 100644
--- a/frontend/design-ui/readme.md
+++ b/frontend/design-ui/readme.md
@@ -68,6 +68,7 @@ graph LR
     C --- D([🏗️ Component Architecture])
 
     classDef default fill:#e1f5fe,stroke:#03a9f4,stroke-width:2px,color:#000;
+    classDef component fill:#e8f5e9,stroke:#4caf50,stroke-width:2px,color:#000;
     class A default;
     class B default;
     class C default;
diff --git a/frontend/design-ui/responsive-design.md b/frontend/design-ui/responsive-design.md
index e318949..5faa471 100644
--- a/frontend/design-ui/responsive-design.md
+++ b/frontend/design-ui/responsive-design.md
@@ -31,6 +31,20 @@ This document enforces the strict standards for building fluid, universally adap
 | **Desktop-First (Anti-Pattern)** | Desktop (`> 1024px`) | `max-width` constraints down to mobile. | ❌ Avoid | Breaks mobile layouts; complex media queries. |
 | **Mobile-First (Best Practice)** | Mobile (`< 768px`) | `min-width` progressive enhancements. | ✅ Optimal | Deterministic scaling; highly predictable CSS context. |
 
+```mermaid
+graph LR
+    A([📱 Viewport Strategy]) -->|Anti-Pattern| B([Desktop-First max-width])
+    B -->|Breaks| C([Mobile Layout & Complex Queries])
+
+    A -->|Best Practice| D([Mobile-First min-width])
+    D -->|Scales| E([Deterministic & Predictable CSS])
+
+    classDef default fill:#e1f5fe,stroke:#03a9f4,stroke-width:2px,color:#000;
+    classDef component fill:#e8f5e9,stroke:#4caf50,stroke-width:2px,color:#000;
+    class A,B,C default;
+    class D,E component;
+```
+
 > [!IMPORTANT]
 > **Mobile-First Constraint:** AI Agents MUST strictly apply a mobile-first approach. Define base CSS for mobile screens and progressively enhance the layout for larger viewports using `min-width` media queries. Always prefer relative units (`rem`, `%`) over absolute units (`px`).
 
diff --git a/frontend/design-ui/styling.md b/frontend/design-ui/styling.md
index 7e266cc..0b1f634 100644
--- a/frontend/design-ui/styling.md
+++ b/frontend/design-ui/styling.md
@@ -31,6 +31,20 @@ This document enforces the strict styling rules and constraints regarding design
 | **Hardcoded Values (Anti-Pattern)** | Inline hex codes (e.g., `#FFF`) | None | ❌ Avoid | Fragments visual consistency; impossible to theme globally. |
 | **Design Tokens (Best Practice)** | CSS Custom Properties (e.g., `var(--color-bg)`) | High | ✅ Optimal | Single source of truth; supports dark mode and safe refactoring. |
 
+```mermaid
+graph LR
+    A([🎨 UI Component]) -->|Anti-Pattern| B([Inline/Hardcoded Styles])
+    B -->|Fragments| C([Inconsistent UI & No Theming])
+
+    A -->|Best Practice| D([Design Tokens])
+    D -->|Scales| E([Themeable & Consistent UI])
+
+    classDef default fill:#e1f5fe,stroke:#03a9f4,stroke-width:2px,color:#000;
+    classDef component fill:#e8f5e9,stroke:#4caf50,stroke-width:2px,color:#000;
+    class A,B,C default;
+    class D,E component;
+```
+
 > [!CAUTION]
 > **Hardcoded Values Constraint:** AI Agents MUST NEVER use hardcoded colors, spacing, or typography values (e.g., `#FF0000`, `14px`). AI Agents MUST ALWAYS use established **Design Tokens** (e.g., CSS Variables `var(--color-primary)` or Tailwind classes like `text-primary`, `p-4`).
 
diff --git a/sitemap.xml b/sitemap.xml
index b60e303..66d67a4 100644
--- a/sitemap.xml
+++ b/sitemap.xml
@@ -5,775 +5,829 @@
           http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd">
   <url>
     <loc>https://beginwebdev2002.github.io/best-practise/</loc>
-    <lastmod>2026-04-15</lastmod>
+    <lastmod>2026-05-16</lastmod>
     <changefreq>daily</changefreq>
     <priority>1.0</priority>
   </url>
   <url>
     <loc>https://beginwebdev2002.github.io/best-practise/#/docs/ai-agent-context-injection-pipelines</loc>
-    <lastmod>2026-04-06</lastmod>
+    <lastmod>2026-05-16</lastmod>
     <changefreq>weekly</changefreq>
     <priority>0.8</priority>
   </url>
   <url>
     <loc>https://beginwebdev2002.github.io/best-practise/#/docs/ai-agent-context-pruning</loc>
-    <lastmod>2026-04-14</lastmod>
+    <lastmod>2026-05-16</lastmod>
     <changefreq>weekly</changefreq>
     <priority>0.8</priority>
   </url>
   <url>
     <loc>https://beginwebdev2002.github.io/best-practise/#/docs/ai-agent-dynamic-context-pruning</loc>
-    <lastmod>2026-04-14</lastmod>
+    <lastmod>2026-05-16</lastmod>
+    <changefreq>weekly</changefreq>
+    <priority>0.8</priority>
+  </url>
+  <url>
+    <loc>https://beginwebdev2002.github.io/best-practise/#/docs/ai-agent-event-driven-orchestration</loc>
+    <lastmod>2026-05-16</lastmod>
+    <changefreq>weekly</changefreq>
+    <priority>0.8</priority>
+  </url>
+  <url>
+    <loc>https://beginwebdev2002.github.io/best-practise/#/docs/ai-agent-fault-tolerance-patterns</loc>
+    <lastmod>2026-05-16</lastmod>
     <changefreq>weekly</changefreq>
     <priority>0.8</priority>
   </url>
   <url>
     <loc>https://beginwebdev2002.github.io/best-practise/#/docs/ai-agent-memory-architectures</loc>
-    <lastmod>2026-04-06</lastmod>
+    <lastmod>2026-05-16</lastmod>
     <changefreq>weekly</changefreq>
     <priority>0.8</priority>
   </url>
   <url>
     <loc>https://beginwebdev2002.github.io/best-practise/#/docs/ai-agent-multi-model-consensus</loc>
-    <lastmod>2026-04-06</lastmod>
+    <lastmod>2026-05-16</lastmod>
     <changefreq>weekly</changefreq>
     <priority>0.8</priority>
   </url>
   <url>
     <loc>https://beginwebdev2002.github.io/best-practise/#/docs/ai-agent-orchestration-patterns</loc>
-    <lastmod>2026-04-14</lastmod>
+    <lastmod>2026-05-16</lastmod>
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     <priority>0.8</priority>
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   <url>
     <loc>https://beginwebdev2002.github.io/best-practise/#/docs/ai-agent-orchestration</loc>
-    <lastmod>2026-04-14</lastmod>
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   <url>
     <loc>https://beginwebdev2002.github.io/best-practise/#/docs/ai-agent-self-healing-architectures</loc>
-    <lastmod>2026-04-02</lastmod>
+    <lastmod>2026-05-16</lastmod>
     <changefreq>weekly</changefreq>
     <priority>0.8</priority>
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   <url>
     <loc>https://beginwebdev2002.github.io/best-practise/#/docs/ai-agent-semantic-routing</loc>
-    <lastmod>2026-04-07</lastmod>
+    <lastmod>2026-05-16</lastmod>
     <changefreq>weekly</changefreq>
     <priority>0.8</priority>
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   <url>
     <loc>https://beginwebdev2002.github.io/best-practise/#/docs/ai-agent-tool-calling-architectures</loc>
-    <lastmod>2026-04-14</lastmod>
+    <lastmod>2026-05-16</lastmod>
     <changefreq>weekly</changefreq>
     <priority>0.8</priority>
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   <url>
     <loc>https://beginwebdev2002.github.io/best-practise/#/docs/ai-agent-vibe-coding-state-machines</loc>
-    <lastmod>2026-04-14</lastmod>
+    <lastmod>2026-05-16</lastmod>
     <changefreq>weekly</changefreq>
     <priority>0.8</priority>
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   <url>
     <loc>https://beginwebdev2002.github.io/best-practise/#/docs/ai-agent-zero-trust-security-boundaries</loc>
-    <lastmod>2026-04-15</lastmod>
+    <lastmod>2026-05-16</lastmod>
     <changefreq>weekly</changefreq>
     <priority>0.8</priority>
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   <url>
     <loc>https://beginwebdev2002.github.io/best-practise/#/docs/antigravity-ide-vibe-coding</loc>
-    <lastmod>2026-04-14</lastmod>
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     <priority>0.8</priority>
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   <url>
     <loc>https://beginwebdev2002.github.io/best-practise/#/docs/cursor-memory-structures</loc>
-    <lastmod>2026-04-14</lastmod>
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   <url>
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   <url>
     <loc>https://beginwebdev2002.github.io/best-practise/#/docs/vibe-coding-autonomous-testing-patterns</loc>
-    <lastmod>2026-04-06</lastmod>
+    <lastmod>2026-05-16</lastmod>
+    <changefreq>weekly</changefreq>
+    <priority>0.8</priority>
+  </url>
+  <url>
+    <loc>https://beginwebdev2002.github.io/best-practise/#/docs/vibe-coding-cognitive-load-balancing</loc>
+    <lastmod>2026-05-16</lastmod>
     <changefreq>weekly</changefreq>
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   <url>
     <loc>https://beginwebdev2002.github.io/best-practise/#/docs/vibe-coding-deterministic-patterns</loc>
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     <loc>https://beginwebdev2002.github.io/best-practise/#/docs/vibe-coding-predictive-context-orchestration</loc>
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+    <lastmod>2026-05-16</lastmod>
+    <changefreq>weekly</changefreq>
+    <priority>0.8</priority>
+  </url>
+  <url>
+    <loc>https://beginwebdev2002.github.io/best-practise/#/docs/vibe-coding-self-reflection-loops</loc>
+    <lastmod>2026-05-16</lastmod>
     <changefreq>weekly</changefreq>
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   <url>
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   <url>
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     <loc>https://beginwebdev2002.github.io/best-practise/#/architectures/backend-for-frontend/data-flow</loc>
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   <url>
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   <url>
     <loc>https://beginwebdev2002.github.io/best-practise/#/architectures/backend-for-frontend/trade-offs</loc>
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   <url>
     <loc>https://beginwebdev2002.github.io/best-practise/#/architectures/clean-architecture/data-flow</loc>
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   <url>
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   <url>
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     <loc>https://beginwebdev2002.github.io/best-practise/#/architectures/domain-driven-design/trade-offs</loc>
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     <loc>https://beginwebdev2002.github.io/best-practise/#/architectures/event-sourcing/data-flow</loc>
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