diff --git a/.htaccess b/.htaccess
index 2817b06..2b898e7 100644
--- a/.htaccess
+++ b/.htaccess
@@ -1,6 +1,35 @@
 # SecureBit.chat - Apache Configuration
 # Comprehensive caching configuration for forced updates
 
+# ============================================
+# MIME TYPES - MUST BE FIRST (before other rules)
+# ============================================
+# Critical: Set MIME types BEFORE any other rules to ensure correct Content-Type headers
+<IfModule mod_mime.c>
+    # JavaScript modules - explicit order matters
+    AddType application/javascript .jsx
+    AddType application/javascript .mjs
+    AddType application/javascript .js
+    AddType application/json .json
+    
+    # Fonts
+    AddType font/woff .woff
+    AddType font/woff2 .woff2
+    AddType application/font-woff .woff
+    AddType application/font-woff2 .woff2
+    
+    # Service Worker
+    AddType application/manifest+json .webmanifest
+</IfModule>
+
+# Force Content-Type headers (override any server defaults)
+<IfModule mod_headers.c>
+    # All JavaScript files including JSX - CRITICAL for ES modules
+    <FilesMatch "\.(js|mjs|jsx)$">
+        Header always set Content-Type "application/javascript; charset=utf-8"
+    </FilesMatch>
+</IfModule>
+
 # Enable mod_rewrite
 <IfModule mod_rewrite.c>
     RewriteEngine On
@@ -116,9 +145,9 @@
     Header set X-Frame-Options "DENY"
 </IfModule>
 
-# Content Security Policy (already configured in HTML, but can add header)
+# Content Security Policy (frame-ancestors and report-uri only work in HTTP headers, not meta tags)
 <IfModule mod_headers.c>
-    # Header set Content-Security-Policy "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline';"
+    Header set Content-Security-Policy "frame-ancestors 'none'; report-uri /csp-report; report-to csp-endpoint;"
 </IfModule>
 
 # ============================================
@@ -133,25 +162,6 @@
     AddOutputFilterByType DEFLATE font/woff font/woff2 application/font-woff application/font-woff2
 </IfModule>
 
-# ============================================
-# MIME TYPES
-# ============================================
-
-<IfModule mod_mime.c>
-    # JavaScript modules
-    AddType application/javascript .js .mjs
-    AddType application/json .json
-    
-    # Fonts
-    AddType font/woff .woff
-    AddType font/woff2 .woff2
-    AddType application/font-woff .woff
-    AddType application/font-woff2 .woff2
-    
-    # Service Worker
-    AddType application/javascript .js
-    AddType application/manifest+json .webmanifest
-</IfModule>
 
 # ============================================
 # CLOUDFLARE RULES
diff --git a/index.html b/index.html
index 63a173e..9011a34 100644
--- a/index.html
+++ b/index.html
@@ -6,20 +6,17 @@
 <meta http-equiv="Content-Security-Policy"
   content="default-src 'self';
            script-src 'self';
-           style-src 'self';
-           font-src 'self';
+           style-src 'self' 'unsafe-inline';
+           font-src 'self' https://fonts.gstatic.com data:;
            connect-src 'self' https: wss: ws:;
            img-src 'self' data: https:;
            media-src 'none';
            object-src 'none';
            frame-src 'none';
-           frame-ancestors 'none';
            worker-src 'self';
            manifest-src 'self';
            form-action 'self';
-           upgrade-insecure-requests;
-           report-uri /csp-report;
-           report-to csp-endpoint;">
+           upgrade-insecure-requests;">
     <meta http-equiv="X-Content-Type-Options" content="nosniff">
     <meta http-equiv="X-XSS-Protection" content="1; mode=block">
     <meta http-equiv="Referrer-Policy" content="strict-origin-when-cross-origin">
@@ -150,13 +147,13 @@
     <!-- Update Manager - система принудительного обновления -->
     <script src="src/utils/updateManager.js"></script>
     <script type="module" src="src/components/UpdateChecker.jsx"></script>
-    <script type="module" src="dist/qr-local.js?v=1767082143567"></script>
-    <script type="module" src="src/components/QRScanner.js?v=1767082143567"></script>
+    <script type="module" src="dist/qr-local.js?v=1767754446404"></script>
+    <script type="module" src="src/components/QRScanner.js?v=1767754446404"></script>
 </head>
 <body>
     <div id="root"></div>
-    <script type="module" src="dist/app-boot.js?v=1767082143567"></script>
-    <script type="module" src="dist/app.js?v=1767082143567"></script>
+    <script type="module" src="dist/app-boot.js?v=1767754446404"></script>
+    <script type="module" src="dist/app.js?v=1767754446404"></script>
 
 <script src="src/scripts/pwa-register.js"></script>
 <script src="./src/pwa/install-prompt.js" type="module"></script>
diff --git a/meta.json b/meta.json
index 9054b87..c391543 100644
--- a/meta.json
+++ b/meta.json
@@ -1,10 +1,10 @@
 {
-  "version": "1767082143567",
-  "buildVersion": "1767082143567",
+  "version": "1767754446404",
+  "buildVersion": "1767754446404",
   "appVersion": "4.7.56",
-  "buildTime": "2025-12-30T08:09:03.641Z",
-  "buildId": "1767082143567-f136d0d",
-  "gitHash": "f136d0d",
+  "buildTime": "2026-01-07T02:54:06.493Z",
+  "buildId": "1767754446404-ebcf2dc",
+  "gitHash": "ebcf2dc",
   "generated": true,
-  "generatedAt": "2025-12-30T08:09:03.642Z"
+  "generatedAt": "2026-01-07T02:54:06.494Z"
 }
\ No newline at end of file
diff --git a/sw.js b/sw.js
index 9e74e0f..380d052 100644
--- a/sw.js
+++ b/sw.js
@@ -232,9 +232,22 @@ self.addEventListener('fetch', (event) => {
                     'Cache-Control': 'no-cache, no-store, must-revalidate',
                     'Pragma': 'no-cache'
                 }
-            }).catch(() => {
-                // Fallback if network is unavailable - return error
-                return new Response('Network unavailable', { status: 503 });
+            }).catch((error) => {
+                // Log error for debugging
+                console.warn('⚠️ Failed to fetch JS file:', url.pathname, error.message);
+                // Try to get from cache as fallback
+                return caches.match(event.request).then(cachedResponse => {
+                    if (cachedResponse) {
+                        console.log('📦 Using cached version of:', url.pathname);
+                        return cachedResponse;
+                    }
+                    // Only return 503 if no cache available
+                    return new Response('Network unavailable', { 
+                        status: 503,
+                        statusText: 'Service Unavailable',
+                        headers: { 'Content-Type': 'text/plain' }
+                    });
+                });
             })
         );
         return;
@@ -299,10 +312,18 @@ async function networkFirst(request) {
                 // Clone the response before caching
                 const responseToCache = networkResponse.clone();
                 const cache = await caches.open(DYNAMIC_CACHE);
-                cache.put(request, responseToCache);
+                cache.put(request, responseToCache).catch(err => {
+                    console.warn('⚠️ Cache put failed (non-critical):', err.message);
+                });
             }
+            return networkResponse;
         }
-        return networkResponse;
+        // If response is not ok, try cache
+        const cachedResponse = await caches.match(request);
+        if (cachedResponse) {
+            return cachedResponse;
+        }
+        return networkResponse; // Return the non-ok response anyway
     } catch (error) {
         console.warn('⚠️ Network-first strategy failed:', error.message);
         const cachedResponse = await caches.match(request);