feat(feasibility): update executive specs with 5 apps ecosystem, gamification savings wallet, and static assets router

index.php

@@ -9,7 +9,28 @@ declare(strict_types=1);
 
 $uri = parse_url($_SERVER['REQUEST_URI'] ?? '/', PHP_URL_PATH);
 
-// 1. If requesting the feasibility presentation or homepage in browser
+// 1. Static asset serving (e.g., logo, css, js)
+$filePath = __DIR__ . $uri;
+if ($uri !== '/' && file_exists($filePath) && !is_dir($filePath)) {
+    $extension = strtolower(pathinfo($filePath, PATHINFO_EXTENSION));
+    $mimeTypes = [
+        'png'  => 'image/png',
+        'jpg'  => 'image/jpeg',
+        'jpeg' => 'image/jpeg',
+        'svg'  => 'image/svg+xml',
+        'ico'  => 'image/x-icon',
+        'css'  => 'text/css',
+        'js'   => 'application/javascript',
+        'html' => 'text/html; charset=UTF-8',
+    ];
+    if (isset($mimeTypes[$extension])) {
+        header('Content-Type: ' . $mimeTypes[$extension]);
+        readfile($filePath);
+        exit;
+    }
+}
+
+// 2. If requesting the feasibility presentation or homepage in browser
 if ($uri === '/' || $uri === '/feasibility' || $uri === '/docs') {
     $htmlDoc = __DIR__ . '/docs/uruk_project_feasibility_and_architecture.html';
     if (file_exists($htmlDoc)) {