docs(cookbook): 📄 add resilient edge accessibility audit recipe

Introduce a zero-framework WCAG 2.2 AAA audit workflow optimized for low-bandwidth and degraded infrastructure scenarios. Alignment with Global Health Equity goals.

Author: Gitechnolo

cookbook/resilient-edge-audit/README.md

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+# Resilient WCAG 2.2 AAA Audit (Stateless Edge)
+
+This recipe demonstrates how to perform accessibility audits using GitHub Copilot in environments with **degraded infrastructure** or **low bandwidth**.
+
+## Context
+Standard accessibility tools often require heavy dependencies (Playwright, Puppeteer). In global health equity scenarios—core to the **BiotechProject** vision—we need a "Zero-Framework" approach that runs entirely at the Edge.
+
+## The Recipe
+1. **Extract:** Use a minimalist Vanilla JS script to snapshot the semantic DOM.
+2. **Audit:** Pass the minimalist JSON to Copilot with specific agentic instructions.
+
+### Step 1: Zero-Framework Snapshot
+Run this in the browser console. It extracts only the "Atoms of Accessibility":
+
+```javascript
+const snapshot = Array.from(document.querySelectorAll('button, a, input, [role], h1, h2'))
+  .map(el => ({
+    t: el.tagName,
+    r: el.getAttribute('role') || 'none',
+    l: el.getAttribute('aria-label') || el.innerText.trim().slice(0, 30),
+    f: el.tabIndex >= 0
+  }));
+console.log(JSON.stringify(snapshot));
+```
+
+#### **Step 2: Copilot Prompt**
+"Analyze this accessibility snapshot for WCAG 2.2 AAA compliance. Focus on keyboard navigation and screen reader labels. Suggest fixes optimized for low-resource environments."
+
+#### **Benefits**
+**Stateless:** No server-side processing needed.
+**Resilient:** Works on high-latency networks.
+**Ethical:** Promotes global health equity by ensuring access for all.