feat: Complete Phase 5C and Phase 5D documentation, including performance metrics, SEO optimization, and advanced features implementation

docs: Add production deployment success documentation for Azure Static Web App

docs: Create Quick Start guide for project setup and deployment instructions

docs: Update README.md to include new documentation links and structure

docs: Enhance User Manual with detailed portal access, roles, and AI assistance features

scripts: Implement architecture diagram export script using Mermaid CLI

scripts: Create script to auto-generate documentation index for easier navigation

chore: Remove unused update-doc-index script

scripts/export-architecture.mjs

@@ -0,0 +1,30 @@
+#!/usr/bin/env node
+/**
+ * Export Mermaid architecture diagram to PNG/SVG.
+ * Requires: @mermaid-js/mermaid-cli (mmdc)
+ * Usage:
+ *   node scripts/export-architecture.mjs --format png
+ *   node scripts/export-architecture.mjs --format svg
+ */
+import { execSync } from 'child_process'
+import { existsSync } from 'fs'
+import { join } from 'path'
+
+const args = process.argv.slice(2)
+const formatArg = args.find(a => a.startsWith('--format=')) || '--format=png'
+const format = formatArg.split('=')[1]
+const diagram = join(process.cwd(), 'docs', 'ArchitectureDiagram.mmd')
+const outFile = join(process.cwd(), 'docs', `ArchitectureDiagram.${format}`)
+
+if (!existsSync(diagram)) {
+  console.error('Diagram source not found:', diagram)
+  process.exit(1)
+}
+
+try {
+  execSync(`npx mmdc -i "${diagram}" -o "${outFile}"`, { stdio: 'inherit' })
+  console.log(`Exported diagram to ${outFile}`)
+} catch (e) {
+  console.error('Mermaid export failed. Ensure @mermaid-js/mermaid-cli is installed.')
+  process.exit(1)
+}