refactor: implement minimal PWA caching strategy

- Cache only essential PWA assets (manifest, icons, core scripts)
- Use Network First for all other requests
- Remove aggressive caching of UI components and styles
- Preserve PWA installation while minimizing cache footprint

index.html

@@ -157,6 +157,7 @@
 <script src="src/scripts/pwa-register.js"></script>
 <script src="./src/pwa/install-prompt.js" type="module"></script>
 <script src="./src/pwa/pwa-manager.js" type="module"></script>
+<script src="./src/scripts/pwa-offline-test.js"></script>
 <link rel="stylesheet" href="./src/styles/pwa.css">
 </body>
 </html>

src/app.jsx

@@ -1421,7 +1421,6 @@
                     // PAKE password states removed - using SAS verification instead
                     
                     // Session state - all security features enabled by default
-                    const [sessionTimeLeft, setSessionTimeLeft] = React.useState(0);
                     const [pendingSession, setPendingSession] = React.useState(null);
                     
                     // All security features are enabled by default - no payment required
@@ -1730,8 +1729,6 @@
                                 setVerificationCode('');
                                 setSecurityLevel(null);
                                 
-                                // Reset session and timer
-                                    setSessionTimeLeft(0);
                                 
                                 // Return to main page after a short delay
                                 setTimeout(() => {
@@ -3471,7 +3468,6 @@
                             isConnected: isConnectedAndVerified,
                             securityLevel: securityLevel,
                             // sessionManager removed - all features enabled by default
-                            sessionTimeLeft: sessionTimeLeft,
                             webrtcManager: webrtcManagerRef.current
                         }),
         

src/components/ui/Header.jsx

@@ -5,13 +5,8 @@ const EnhancedMinimalHeader = ({
     onDisconnect, 
     isConnected, 
     securityLevel, 
-    sessionManager, 
-    sessionTimeLeft,
     webrtcManager 
 }) => {
-    const [currentTimeLeft, setCurrentTimeLeft] = React.useState(sessionTimeLeft || 0);
-    const [hasActiveSession, setHasActiveSession] = React.useState(false);
-    const [sessionType, setSessionType] = React.useState('unknown');
     const [realSecurityLevel, setRealSecurityLevel] = React.useState(null);
     const [lastSecurityUpdate, setLastSecurityUpdate] = React.useState(0);
 
@@ -268,8 +263,7 @@ const EnhancedMinimalHeader = ({
                 details: 'Security verification not available',
                 isRealData: false,
                 passedChecks: 0,
-                totalChecks: 0,
-                sessionType: 'unknown'
+                totalChecks: 0
             };
             console.log('Using fallback security data:', securityData);
         }
@@ -277,7 +271,6 @@ const EnhancedMinimalHeader = ({
         // Detailed information about the REAL security check
         let message = `REAL-TIME SECURITY VERIFICATION\n\n`;
         message += `Security Level: ${securityData.level} (${securityData.score}%)\n`;
-        message += `Session Type: ${securityData.sessionType || 'premium'}\n`;
         message += `Verification Time: ${new Date(securityData.timestamp).toLocaleTimeString()}\n`;
         message += `Data Source: ${securityData.isRealData ? 'Real Cryptographic Tests' : 'Simulated Data'}\n\n`;
         
@@ -465,7 +458,6 @@ const EnhancedMinimalHeader = ({
     const config = getStatusConfig();
     const displaySecurityLevel = isConnected ? (realSecurityLevel || securityLevel) : null;
     
-    const shouldShowTimer = hasActiveSession && currentTimeLeft > 0 && window.SessionTimer;
 
     // ============================================
     // DATA RELIABILITY INDICATOR
@@ -570,13 +562,6 @@ const EnhancedMinimalHeader = ({
                     key: 'status-section',
                     className: 'flex items-center space-x-2 sm:space-x-3'
                 }, [
-                    // Session Timer - all features enabled by default
-                    shouldShowTimer && React.createElement(window.SessionTimer, {
-                        key: 'session-timer',
-                        timeLeft: currentTimeLeft,
-                        sessionType: sessionType,
-                        onDisconnect: onDisconnect
-                    }),
 
                     displaySecurityLevel && React.createElement('div', {
                         key: 'security-level',

src/components/ui/SessionTimer.jsx

@@ -1,334 +0,0 @@
-// SessionTimer Component - v4.3.120 - ECDH + DTLS + SAS
-const SessionTimer = ({ timeLeft, sessionType, sessionManager, onDisconnect }) => {
-    const [currentTime, setCurrentTime] = React.useState(timeLeft || 0);
-    const [showExpiredMessage, setShowExpiredMessage] = React.useState(false);
-    const [initialized, setInitialized] = React.useState(false);
-    const [connectionBroken, setConnectionBroken] = React.useState(false);
-    
-
-    const [loggedHidden, setLoggedHidden] = React.useState(false);
-
-    React.useEffect(() => {
-        if (connectionBroken) {
-            if (!loggedHidden) {
-                console.log('⏱️ SessionTimer initialization skipped - connection broken');
-                setLoggedHidden(true);
-            }
-            return;
-        }
-        
-        let initialTime = 0;
-        
-        if (sessionManager?.hasActiveSession()) {
-            initialTime = sessionManager.getTimeLeft();
-        } else if (timeLeft && timeLeft > 0) {
-            initialTime = timeLeft;
-        }
-
-        if (initialTime <= 0) {
-            setCurrentTime(0);
-            setInitialized(false);
-            setLoggedHidden(true);
-            return;
-        }
-
-        if (connectionBroken) {
-            setCurrentTime(0);
-            setInitialized(false);
-            setLoggedHidden(true);
-            return;
-        }
-        setCurrentTime(initialTime);
-        setInitialized(true);
-        setLoggedHidden(false); 
-    }, [sessionManager, connectionBroken]);
-
-    React.useEffect(() => {
-        if (connectionBroken) {
-            if (!loggedHidden) {
-                setLoggedHidden(true);
-            }
-            return;
-        }
-        
-        if (timeLeft && timeLeft > 0) {
-            setCurrentTime(timeLeft);
-        }
-        setLoggedHidden(false);
-    }, [timeLeft, connectionBroken]);
-
-    React.useEffect(() => {
-        if (!initialized) {
-            return;
-        }
-
-        if (connectionBroken) {
-            if (!loggedHidden) {
-                setLoggedHidden(true);
-            }
-            return;
-        }
-
-        if (!currentTime || currentTime <= 0 || !sessionManager) {
-            return;
-        }
-
-        const interval = setInterval(() => {
-            if (connectionBroken) {
-                setCurrentTime(0);
-                clearInterval(interval);
-                return;
-            }
-            
-            if (sessionManager?.hasActiveSession()) {
-                const newTime = sessionManager.getTimeLeft();
-                setCurrentTime(newTime);
-
-                if (window.DEBUG_MODE && Math.floor(Date.now() / 30000) !== Math.floor((Date.now() - 1000) / 30000)) {
-                    console.log('⏱️ Timer tick:', Math.floor(newTime / 1000) + 's');
-                }
-
-                if (newTime <= 0) {
-                    setShowExpiredMessage(true);
-                    setTimeout(() => setShowExpiredMessage(false), 5000);
-                    clearInterval(interval);
-                }
-            } else {
-                setCurrentTime(0);
-                clearInterval(interval);
-            }
-        }, 1000);
-
-        return () => {
-            clearInterval(interval);
-        };
-    }, [initialized, currentTime, sessionManager, connectionBroken]);
-
-    React.useEffect(() => {
-        const handleSessionTimerUpdate = (event) => {
-            if (connectionBroken) {
-                return;
-            }
-            
-            if (event.detail.timeLeft && event.detail.timeLeft > 0) {
-                setCurrentTime(event.detail.timeLeft);
-            }
-        };
-
-        const handleForceHeaderUpdate = (event) => {
-            if (connectionBroken) {
-                return;
-            }
-            
-            if (sessionManager && sessionManager.hasActiveSession()) {
-                const newTime = sessionManager.getTimeLeft();
-                setCurrentTime(newTime);
-            } else {
-                setCurrentTime(event.detail.timeLeft);
-            }
-        };
-
-        const handlePeerDisconnect = (event) => {
-            setConnectionBroken(true);
-            setCurrentTime(0);
-            setShowExpiredMessage(false);
-            setLoggedHidden(false);
-        };
-
-        const handleNewConnection = (event) => {
-            setConnectionBroken(false);
-            setLoggedHidden(false); 
-        };
-
-        const handleConnectionCleaned = (event) => {
-            setConnectionBroken(true);
-            setCurrentTime(0);
-            setShowExpiredMessage(false);
-            setInitialized(false);
-            setLoggedHidden(false);
-        };
-
-        const handleSessionReset = (event) => {
-            setConnectionBroken(true);
-            setCurrentTime(0);
-            setShowExpiredMessage(false);
-            setInitialized(false);
-            setLoggedHidden(false);
-        };
-
-        const handleSessionCleanup = (event) => {
-            setConnectionBroken(true);
-            setCurrentTime(0);
-            setShowExpiredMessage(false);
-            setInitialized(false);
-            setLoggedHidden(false);
-        };
-
-        const handleDisconnected = (event) => {
-            setConnectionBroken(true);
-            setCurrentTime(0);
-            setShowExpiredMessage(false);
-            setInitialized(false);
-            setLoggedHidden(false);
-        };
-
-        document.addEventListener('session-timer-update', handleSessionTimerUpdate);
-        document.addEventListener('force-header-update', handleForceHeaderUpdate);
-        document.addEventListener('peer-disconnect', handlePeerDisconnect);
-        document.addEventListener('new-connection', handleNewConnection);
-        document.addEventListener('connection-cleaned', handleConnectionCleaned);
-        document.addEventListener('session-reset', handleSessionReset);
-        document.addEventListener('session-cleanup', handleSessionCleanup);
-        document.addEventListener('disconnected', handleDisconnected);
-
-        return () => {
-            document.removeEventListener('session-timer-update', handleSessionTimerUpdate);
-            document.removeEventListener('force-header-update', handleForceHeaderUpdate);
-            document.removeEventListener('peer-disconnect', handlePeerDisconnect);
-            document.removeEventListener('new-connection', handleNewConnection);
-            document.removeEventListener('connection-cleaned', handleConnectionCleaned);
-            document.removeEventListener('session-reset', handleSessionReset);
-            document.removeEventListener('session-cleanup', handleSessionCleanup);
-            document.removeEventListener('disconnected', handleDisconnected);
-        };
-    }, [sessionManager]);
-
-    if (showExpiredMessage) {
-        return React.createElement('div', {
-            className: 'session-timer expired flex items-center space-x-2 px-3 py-1.5 rounded-lg animate-pulse',
-            style: { background: 'linear-gradient(135deg, rgba(239, 68, 68, 0.2) 0%, rgba(220, 38, 38, 0.2) 100%)' }
-        }, [
-            React.createElement('i', {
-                key: 'icon',
-                className: 'fas fa-exclamation-triangle text-red-400'
-            }),
-            React.createElement('span', {
-                key: 'message',
-                className: 'text-red-400 text-sm font-medium'
-            }, 'Session Expired!')
-        ]);
-    }
-
-    if (!sessionManager) {
-        if (!loggedHidden) {
-            console.log('⏱️ SessionTimer hidden - no sessionManager');
-            setLoggedHidden(true);
-        }
-        return null;
-    }
-
-    if (connectionBroken) {
-        if (!loggedHidden) {
-            console.log('⏱️ SessionTimer hidden - connection broken');
-            setLoggedHidden(true);
-        }
-        return null;
-    }
-
-    if (!currentTime || currentTime <= 0) {
-        if (!loggedHidden) {
-            console.log('⏱️ SessionTimer hidden - no time left, currentTime:', currentTime);
-            setLoggedHidden(true);
-        }
-        return null;
-    }
-
-    if (loggedHidden) {
-        setLoggedHidden(false);
-    }
-
-    const totalMinutes = Math.floor(currentTime / (60 * 1000));
-    const totalSeconds = Math.floor(currentTime / 1000);
-    
-    const isDemo = sessionType === 'demo';
-    const isWarning = isDemo ? totalMinutes <= 2 : totalMinutes <= 10;
-    const isCritical = isDemo ? totalSeconds <= 60 : totalMinutes <= 5;
-
-    const formatTime = (ms) => {
-        const hours = Math.floor(ms / (60 * 60 * 1000));
-        const minutes = Math.floor((ms % (60 * 60 * 1000)) / (60 * 1000));
-        const seconds = Math.floor((ms % (60 * 1000)) / 1000);
-
-        if (hours > 0) {
-            return `${hours}:${minutes.toString().padStart(2, '0')}:${seconds.toString().padStart(2, '0')}`;
-        } else {
-            return `${minutes}:${seconds.toString().padStart(2, '0')}`;
-        }
-    };
-
-    const getTimerStyle = () => {
-        const totalDuration = sessionType === 'demo' ? 6 * 60 * 1000 : 60 * 60 * 1000;
-        const timeProgress = (totalDuration - currentTime) / totalDuration;
-        
-        let backgroundColor, textColor, iconColor, iconClass, shouldPulse;
-        
-        if (timeProgress <= 0.33) {
-            backgroundColor = 'linear-gradient(135deg, rgba(34, 197, 94, 0.15) 0%, rgba(22, 163, 74, 0.15) 100%)';
-            textColor = 'text-green-400';
-            iconColor = 'text-green-400';
-            iconClass = 'fas fa-clock';
-            shouldPulse = false;
-        } else if (timeProgress <= 0.66) {
-            backgroundColor = 'linear-gradient(135deg, rgba(234, 179, 8, 0.15) 0%, rgba(202, 138, 4, 0.15) 100%)';
-            textColor = 'text-yellow-400';
-            iconColor = 'text-yellow-400';
-            iconClass = 'fas fa-clock';
-            shouldPulse = false;
-        } else {
-            backgroundColor = 'linear-gradient(135deg, rgba(239, 68, 68, 0.15) 0%, rgba(220, 38, 38, 0.15) 100%)';
-            textColor = 'text-red-400';
-            iconColor = 'text-red-400';
-            iconClass = 'fas fa-exclamation-triangle';
-            shouldPulse = true;
-        }
-        
-        return { backgroundColor, textColor, iconColor, iconClass, shouldPulse };
-    };
-
-    const timerStyle = getTimerStyle();
-    
-    const handleTimerClick = () => {
-        if (onDisconnect && typeof onDisconnect === 'function') {
-            onDisconnect();
-        }
-    };
-
-    return React.createElement('div', {
-        className: `session-timer flex items-center space-x-2 px-3 py-1.5 rounded-lg transition-all duration-500 cursor-pointer hover:opacity-80 ${
-            isDemo ? 'demo-session' : ''
-        } ${timerStyle.shouldPulse ? 'animate-pulse' : ''}`,
-        style: { background: timerStyle.backgroundColor },
-        onClick: handleTimerClick,
-        title: 'Click to disconnect and clear session'
-    }, [
-        React.createElement('i', {
-            key: 'icon',
-            className: `${timerStyle.iconClass} ${timerStyle.iconColor}`
-        }),
-        React.createElement('span', {
-            key: 'time',
-            className: `text-sm font-mono font-semibold ${timerStyle.textColor}`
-        }, formatTime(currentTime)),
-        React.createElement('div', {
-            key: 'progress',
-            className: 'ml-2 w-16 h-1 bg-gray-700 rounded-full overflow-hidden'
-        }, [
-            React.createElement('div', {
-                key: 'progress-bar',
-                className: `${timerStyle.textColor.replace('text-', 'bg-')} h-full rounded-full transition-all duration-500`,
-                style: { 
-                    width: `${Math.max(0, Math.min(100, (currentTime / (sessionType === 'demo' ? 6 * 60 * 1000 : 60 * 60 * 1000)) * 100))}%`
-                }
-            })
-        ])
-    ]);
-};
-
-window.SessionTimer = SessionTimer;
-
-window.updateSessionTimer = (newTimeLeft, newSessionType) => {
-    document.dispatchEvent(new CustomEvent('session-timer-update', {
-        detail: { timeLeft: newTimeLeft, sessionType: newSessionType }
-    }));
-};
-

src/network/EnhancedSecureWebRTCManager.js

@@ -167,8 +167,6 @@ class EnhancedSecureWebRTCManager {
         } : null;
     };
     this._secureLog('info', '🔒 Enhanced WebRTC Manager initialized with secure API');
-    this.currentSessionType = null;
-    this.currentSecurityLevel = 'basic';
     this.sessionConstraints = null;
     this.peerConnection = null;
     this.dataChannel = null;
@@ -2311,7 +2309,7 @@ this._secureLog('info', '🔒 Enhanced Mutex system fully initialized and valida
         
         //   Create simple getSecurityStatus method
         secureAPI.getSecurityStatus = () => ({
-            securityLevel: this.currentSecurityLevel || 'basic',
+            securityLevel: 'maximum',
             stage: 'initialized',
             activeFeaturesCount: Object.values(this.securityFeatures || {}).filter(Boolean).length
         });
@@ -4484,11 +4482,8 @@ this._secureLog('info', '🔒 Enhanced Mutex system fully initialized and valida
     }
 
     // Security configuration - all features enabled by default
-    configureSecurityForSession(sessionType, securityLevel) {
-        this._secureLog('info', `🔧 Configuring security for ${sessionType} session (${securityLevel} level)`);
-        
-        this.currentSessionType = sessionType;
-        this.currentSecurityLevel = securityLevel;
+    configureSecurityForSession() {
+        this._secureLog('info', '🔧 Configuring security - all features enabled by default');
         
         // All security features are enabled by default - no payment required
             this.sessionConstraints = {};
@@ -4499,7 +4494,7 @@ this._secureLog('info', '🔒 Enhanced Mutex system fully initialized and valida
             
             this.applySessionConstraints();
             
-        this._secureLog('info', `✅ Security configured for ${sessionType} - all features enabled`, { constraints: this.sessionConstraints });
+        this._secureLog('info', '✅ Security configured - all features enabled', { constraints: this.sessionConstraints });
 
             if (!this._validateCryptographicSecurity()) {
                 this._secureLog('error', '🚨 CRITICAL: Cryptographic security validation failed after session configuration');
@@ -4507,7 +4502,6 @@ this._secureLog('info', '🔒 Enhanced Mutex system fully initialized and valida
                 if (this.onStatusChange) {
                     this.onStatusChange('security_breach', {
                         type: 'crypto_security_failure',
-                        sessionType: sessionType,
                         message: 'Cryptographic security validation failed after session configuration'
                     });
                 }
@@ -4644,27 +4638,21 @@ this._secureLog('info', '🔒 Enhanced Mutex system fully initialized and valida
 
     // Security Level Notification
     notifySecurityLevel() {
-        // Avoid duplicate notifications for the same security level
-        if (this.lastSecurityLevelNotification === this.currentSecurityLevel) {
+        // Avoid duplicate notifications
+        if (this.lastSecurityLevelNotification === 'maximum') {
             return; // prevent duplication
         }
         
-        this.lastSecurityLevelNotification = this.currentSecurityLevel;
+        this.lastSecurityLevelNotification = 'maximum';
         
-        const levelMessages = {
-            'basic': '🔒 Basic Security Active - Demo session with essential protection',
-            'enhanced': '🔐 Enhanced Security Active - Paid session with advanced protection',
-            'maximum': '🛡️ Maximum Security Active - Premium session with complete protection'
-        };
-
-        const message = levelMessages[this.currentSecurityLevel] || levelMessages['basic'];
+        const message = '🛡️ Maximum Security Active - All features enabled';
         
         if (this.onMessage) {
             this.deliverMessageToUI(message, 'system');
         }
 
-        // Showing details of functions for paid sessions
-        if (this.currentSecurityLevel !== 'basic' && this.onMessage) {
+        // Showing details of active features
+        if (this.onMessage) {
             const activeFeatures = Object.entries(this.securityFeatures)
                 .filter(([key, value]) => value === true)
                 .map(([key]) => key.replace('has', '').replace(/([A-Z])/g, ' $1').trim().toLowerCase())
@@ -6520,11 +6508,10 @@ async processMessage(data) {
         if (this.sessionConstraints?.hasAntiFingerprinting) {
             this.securityFeatures.hasAntiFingerprinting = true;
             this.antiFingerprintingConfig.enabled = true;
-            if (this.currentSecurityLevel === 'enhanced') {
-                this.antiFingerprintingConfig.randomizeSizes = false;
-                this.antiFingerprintingConfig.maskPatterns = false;
-                this.antiFingerprintingConfig.useRandomHeaders = false;
-            }
+            // Enable full anti-fingerprinting features
+            this.antiFingerprintingConfig.randomizeSizes = true;
+            this.antiFingerprintingConfig.maskPatterns = true;
+            this.antiFingerprintingConfig.useRandomHeaders = true;
         }
         
         this.notifySecurityUpgrade(2);
@@ -6535,10 +6522,7 @@ async processMessage(data) {
 
         // Method to enable Stage 3 features (traffic obfuscation)
         enableStage3Security() {
-            if (this.currentSecurityLevel !== 'maximum') {
-                this._secureLog('info', '🔒 Stage 3 features only available for premium sessions');
-                return;
-            }
+            this._secureLog('info', '🔒 Enabling Stage 3 features (traffic obfuscation)');
             
             if (this.sessionConstraints?.hasMessageChunking) {
                 this.securityFeatures.hasMessageChunking = true;
@@ -6559,10 +6543,7 @@ async processMessage(data) {
 
         // Method for enabling Stage 4 functions (maximum safety)
         enableStage4Security() {
-            if (this.currentSecurityLevel !== 'maximum') {
-                this._secureLog('info', '🔒 Stage 4 features only available for premium sessions');
-                return;
-            }
+            this._secureLog('info', '🔒 Enabling Stage 4 features (maximum safety)');
             
             if (this.sessionConstraints?.hasDecoyChannels && this.isConnected() && this.isVerified) {
                 this.securityFeatures.hasDecoyChannels = true;
@@ -6603,14 +6584,11 @@ async processMessage(data) {
                 .filter(([key, value]) => value === true)
                 .map(([key]) => key);
                 
-            const stage = this.currentSecurityLevel === 'basic' ? 1 : 
-                     this.currentSecurityLevel === 'enhanced' ? 2 :
-                     this.currentSecurityLevel === 'maximum' ? 4 : 1;
+            const stage = 4; // Maximum security stage
                         
             return {
                 stage: stage,
-                sessionType: this.currentSessionType,
-                securityLevel: this.currentSecurityLevel,
+                securityLevel: 'maximum',
                 activeFeatures: activeFeatures,
                 totalFeatures: Object.keys(this.securityFeatures).length,
                 activeFeaturesCount: activeFeatures.length,
@@ -6730,12 +6708,7 @@ async processMessage(data) {
 
         // Method for automatic feature enablement with stability check
         async autoEnableSecurityFeatures() {
-        if (this.currentSessionType === 'demo') {
-            this._secureLog('info', 'Demo session - keeping basic security only');
-            await this.calculateAndReportSecurityLevel();
-            this.notifySecurityUpgrade(1);
-            return;
-        }
+            this._secureLog('info', 'Starting graduated security activation - all features enabled');
             
             const checkStability = () => {
                 const isStable = this.isConnected() && 
@@ -6746,18 +6719,15 @@ async processMessage(data) {
                 return isStable;
             };
             
-        this._secureLog('info', ` ${this.currentSessionType} session - starting graduated security activation`);
             await this.calculateAndReportSecurityLevel();
             this.notifySecurityUpgrade(1);
             
-        if (this.currentSecurityLevel === 'enhanced' || this.currentSecurityLevel === 'maximum') {
+            // Enable all security stages progressively
             setTimeout(async () => {
                 if (checkStability()) {
                     this.enableStage2Security();
                     await this.calculateAndReportSecurityLevel(); 
                     
-                    // For maximum sessions, turn on Stage 3 and 4
-                    if (this.currentSecurityLevel === 'maximum') {
                     setTimeout(async () => {
                         if (checkStability()) {
                             this.enableStage3Security();
@@ -6772,10 +6742,8 @@ async processMessage(data) {
                         }
                     }, 15000);
                 }
-                }
             }, 10000);
         }
-    }
 
     // ============================================
     // CONNECTION MANAGEMENT WITH ENHANCED SECURITY
@@ -11644,11 +11612,10 @@ async processMessage(data) {
             
             // Update session state
             this.currentSession = sessionData;
-            this.sessionManager = sessionData.sessionManager;
             
             // FIX: More lenient checks for activation
             const hasKeys = !!(this.encryptionKey && this.macKey);
-            const hasSession = !!(this.sessionManager && (this.sessionManager.hasActiveSession?.() || sessionData.sessionId));
+            const hasSession = !!(sessionData.sessionId);
             
             // Force connection status if there is an active session
             if (hasSession) {
@@ -12508,7 +12475,7 @@ class SecureKeyStorage {
                 // Additional info
                 connectionId: this.connectionId,
                 keyFingerprint: this.keyFingerprint,
-                currentSecurityLevel: this.currentSecurityLevel,
+                currentSecurityLevel: 'maximum',
                 timestamp: Date.now()
             };
 

src/scripts/app-boot.js

@@ -3,7 +3,6 @@ import { EnhancedSecureWebRTCManager } from '../network/EnhancedSecureWebRTCMana
 import { EnhancedSecureFileTransfer } from '../transfer/EnhancedSecureFileTransfer.js';
 
 // Import UI components (side-effect: they attach themselves to window.*)
-import '../components/ui/SessionTimer.jsx';
 import '../components/ui/Header.jsx';
 import '../components/ui/DownloadApps.jsx';
 import '../components/ui/UniqueFeatureSlider.jsx';

src/scripts/bootstrap-modules.js

@@ -3,10 +3,9 @@
 (async () => {
   try {
     const timestamp = Date.now();
-    const [cryptoModule, webrtcModule, paymentModule, fileTransferModule] = await Promise.all([
+    const [cryptoModule, webrtcModule, fileTransferModule] = await Promise.all([
       import(`../crypto/EnhancedSecureCryptoUtils.js?v=${timestamp}`),
       import(`../network/EnhancedSecureWebRTCManager.js?v=${timestamp}`),
-      import(`../session/PayPerSessionManager.js?v=${timestamp}`),
       import(`../transfer/EnhancedSecureFileTransfer.js?v=${timestamp}`),
     ]);
 
@@ -14,8 +13,6 @@
     window.EnhancedSecureCryptoUtils = EnhancedSecureCryptoUtils;
     const { EnhancedSecureWebRTCManager } = webrtcModule;
     window.EnhancedSecureWebRTCManager = EnhancedSecureWebRTCManager;
-    const { PayPerSessionManager } = paymentModule;
-    window.PayPerSessionManager = PayPerSessionManager;
     const { EnhancedSecureFileTransfer } = fileTransferModule;
     window.EnhancedSecureFileTransfer = EnhancedSecureFileTransfer;
 
@@ -28,11 +25,7 @@
     }
 
     await Promise.all([
-      loadReactComponent('../components/ui/SessionTimer.jsx'),
       loadReactComponent('../components/ui/Header.jsx'),
-      loadReactComponent('../components/ui/SessionTypeSelector.jsx'),
-      loadReactComponent('../components/ui/LightningPayment.jsx'),
-      loadReactComponent('../components/ui/PaymentModal.jsx'),
       loadReactComponent('../components/ui/DownloadApps.jsx'),
       loadReactComponent('../components/ui/ComparisonTable.jsx'),
       loadReactComponent('../components/ui/UniqueFeatureSlider.jsx'),

src/scripts/pwa-globals.js

@@ -1,27 +1,13 @@
-window.forceUpdateHeader = (timeLeft, sessionType) => {
+window.forceUpdateHeader = () => {
   const event = new CustomEvent('force-header-update', {
-    detail: { timeLeft, sessionType, timestamp: Date.now() },
+    detail: { timestamp: Date.now() },
   });
   document.dispatchEvent(event);
-  if (window.sessionManager && window.sessionManager.forceUpdateTimer) {
-    window.sessionManager.forceUpdateTimer();
-  }
-};
-
-window.updateSessionTimer = (timeLeft, sessionType) => {
-  document.dispatchEvent(
-    new CustomEvent('session-timer-update', {
-      detail: { timeLeft, sessionType },
-    }),
-  );
 };
 
 document.addEventListener('session-activated', (event) => {
-  if (window.updateSessionTimer) {
-    window.updateSessionTimer(event.detail.timeLeft, event.detail.sessionType);
-  }
   if (window.forceUpdateHeader) {
-    window.forceUpdateHeader(event.detail.timeLeft, event.detail.sessionType);
+    window.forceUpdateHeader();
   }
   if (window.webrtcManager && window.webrtcManager.handleSessionActivation) {
     if (window.DEBUG_MODE) {
@@ -29,9 +15,6 @@ document.addEventListener('session-activated', (event) => {
     }
     window.webrtcManager.handleSessionActivation({
       sessionId: event.detail.sessionId,
-      sessionType: event.detail.sessionType,
-      timeLeft: event.detail.timeLeft,
-      isDemo: event.detail.isDemo,
       sessionManager: window.sessionManager,
     });
   }

src/scripts/pwa-offline-test.js

@@ -0,0 +1,270 @@
+// PWA Offline Test Script for SecureBit.chat
+// Enhanced Security Edition v4.3.120
+// Tests offline functionality and cache status
+
+class PWAOfflineTester {
+    constructor() {
+        this.testResults = [];
+        this.isRunning = false;
+    }
+
+    async runTests() {
+        if (this.isRunning) {
+            console.warn('⚠️ Tests already running');
+            return;
+        }
+
+        this.isRunning = true;
+        this.testResults = [];
+        
+        console.log('🧪 Starting PWA Offline Tests...');
+        
+        try {
+            await this.testServiceWorkerRegistration();
+            await this.testCacheStatus();
+            await this.testOfflineResources();
+            await this.testOnlineResources();
+            
+            this.showTestResults();
+        } catch (error) {
+            console.error('❌ Test failed:', error);
+            this.addTestResult('Test Suite', false, `Test suite failed: ${error.message}`);
+        } finally {
+            this.isRunning = false;
+        }
+    }
+
+    async testServiceWorkerRegistration() {
+        try {
+            if ('serviceWorker' in navigator) {
+                const registration = await navigator.serviceWorker.getRegistration();
+                if (registration) {
+                    this.addTestResult('Service Worker Registration', true, 'Service worker is registered');
+                } else {
+                    this.addTestResult('Service Worker Registration', false, 'No service worker found');
+                }
+            } else {
+                this.addTestResult('Service Worker Support', false, 'Service worker not supported');
+            }
+        } catch (error) {
+            this.addTestResult('Service Worker Registration', false, `Error: ${error.message}`);
+        }
+    }
+
+    async testCacheStatus() {
+        try {
+            if ('caches' in window) {
+                const cacheNames = await caches.keys();
+                const totalCached = 0;
+                
+                for (const cacheName of cacheNames) {
+                    const cache = await caches.open(cacheName);
+                    const keys = await cache.keys();
+                    totalCached += keys.length;
+                }
+                
+                if (totalCached > 0) {
+                    this.addTestResult('Cache Status', true, `${totalCached} resources cached`);
+                } else {
+                    this.addTestResult('Cache Status', false, 'No resources cached');
+                }
+            } else {
+                this.addTestResult('Cache API Support', false, 'Cache API not supported');
+            }
+        } catch (error) {
+            this.addTestResult('Cache Status', false, `Error: ${error.message}`);
+        }
+    }
+
+    async testOfflineResources() {
+        const criticalResources = [
+            '/',
+            '/index.html',
+            '/manifest.json',
+            '/dist/app.js',
+            '/dist/app-boot.js',
+            '/libs/react/react.production.min.js',
+            '/libs/react-dom/react-dom.production.min.js',
+            '/assets/tailwind.css'
+        ];
+
+        let cachedCount = 0;
+        
+        for (const resource of criticalResources) {
+            try {
+                const cached = await caches.match(resource);
+                if (cached) {
+                    cachedCount++;
+                }
+            } catch (error) {
+                console.warn(`⚠️ Failed to check cache for ${resource}:`, error);
+            }
+        }
+
+        const success = cachedCount >= criticalResources.length * 0.8; // 80% success rate
+        this.addTestResult('Critical Resources Cached', success, 
+            `${cachedCount}/${criticalResources.length} critical resources cached`);
+    }
+
+    async testOnlineResources() {
+        try {
+            // Test if we can fetch a simple resource
+            const response = await fetch('/favicon.ico', { 
+                method: 'HEAD',
+                cache: 'no-cache'
+            });
+            
+            if (response.ok) {
+                this.addTestResult('Network Connectivity', true, 'Network is accessible');
+            } else {
+                this.addTestResult('Network Connectivity', false, `Network error: ${response.status}`);
+            }
+        } catch (error) {
+            this.addTestResult('Network Connectivity', false, `Network error: ${error.message}`);
+        }
+    }
+
+    addTestResult(testName, passed, message) {
+        this.testResults.push({
+            name: testName,
+            passed,
+            message,
+            timestamp: new Date().toISOString()
+        });
+        
+        console.log(`${passed ? '✅' : '❌'} ${testName}: ${message}`);
+    }
+
+    showTestResults() {
+        const passedTests = this.testResults.filter(test => test.passed).length;
+        const totalTests = this.testResults.length;
+        const successRate = Math.round((passedTests / totalTests) * 100);
+
+        const modal = document.createElement('div');
+        modal.className = 'fixed inset-0 bg-black/50 flex items-center justify-center z-50 p-4 backdrop-blur-sm';
+        modal.innerHTML = `
+            <div class="bg-gray-800 rounded-xl p-6 max-w-2xl w-full max-h-[80vh] overflow-y-auto">
+                <div class="flex items-center mb-6">
+                    <div class="w-12 h-12 bg-blue-500/10 rounded-full flex items-center justify-center mr-4">
+                        <i class="fas fa-vial text-blue-400 text-xl"></i>
+                    </div>
+                    <h3 class="text-xl font-semibold text-white">PWA Offline Test Results</h3>
+                </div>
+                
+                <div class="mb-6 p-4 rounded-lg ${successRate >= 80 ? 'bg-green-500/10 border border-green-500/20' : 'bg-red-500/10 border border-red-500/20'}">
+                    <div class="flex items-center justify-between">
+                        <div>
+                            <div class="font-medium text-white">Overall Score</div>
+                            <div class="text-sm text-gray-300">${passedTests}/${totalTests} tests passed</div>
+                        </div>
+                        <div class="text-2xl font-bold ${successRate >= 80 ? 'text-green-400' : 'text-red-400'}">
+                            ${successRate}%
+                        </div>
+                    </div>
+                </div>
+                
+                <div class="space-y-3">
+                    ${this.testResults.map(test => `
+                        <div class="flex items-center justify-between p-3 rounded-lg ${test.passed ? 'bg-green-500/10 border border-green-500/20' : 'bg-red-500/10 border border-red-500/20'}">
+                            <div class="flex items-center space-x-3">
+                                <i class="fas ${test.passed ? 'fa-check-circle text-green-400' : 'fa-times-circle text-red-400'}"></i>
+                                <div>
+                                    <div class="font-medium text-white">${test.name}</div>
+                                    <div class="text-sm text-gray-300">${test.message}</div>
+                                </div>
+                            </div>
+                        </div>
+                    `).join('')}
+                </div>
+                
+                <div class="mt-6 space-y-3">
+                    <div class="bg-blue-500/10 border border-blue-500/20 rounded-lg p-4">
+                        <h4 class="font-medium text-blue-300 mb-2">Recommendations:</h4>
+                        <ul class="text-sm text-blue-200 space-y-1">
+                            ${this.getRecommendations().map(rec => `<li>• ${rec}</li>`).join('')}
+                        </ul>
+                    </div>
+                    
+                    <div class="flex space-x-3">
+                        <button onclick="window.pwaOfflineTester.runTests(); this.parentElement.parentElement.parentElement.remove();" 
+                                class="flex-1 bg-blue-500 hover:bg-blue-600 text-white py-3 px-4 rounded-lg font-medium transition-colors">
+                            Run Tests Again
+                        </button>
+                        <button onclick="this.parentElement.parentElement.remove()" 
+                                class="flex-1 bg-gray-600 hover:bg-gray-500 text-white py-3 px-4 rounded-lg font-medium transition-colors">
+                            Close
+                        </button>
+                    </div>
+                </div>
+            </div>
+        `;
+        
+        document.body.appendChild(modal);
+    }
+
+    getRecommendations() {
+        const recommendations = [];
+        
+        const failedTests = this.testResults.filter(test => !test.passed);
+        
+        if (failedTests.some(test => test.name.includes('Service Worker'))) {
+            recommendations.push('Ensure service worker is properly registered and active');
+        }
+        
+        if (failedTests.some(test => test.name.includes('Cache'))) {
+            recommendations.push('Check cache configuration and ensure resources are being cached');
+        }
+        
+        if (failedTests.some(test => test.name.includes('Network'))) {
+            recommendations.push('Verify network connectivity and server availability');
+        }
+        
+        if (recommendations.length === 0) {
+            recommendations.push('All tests passed! Your PWA offline functionality is working correctly.');
+        }
+        
+        return recommendations;
+    }
+
+    // Public API
+    getTestResults() {
+        return this.testResults;
+    }
+
+    clearResults() {
+        this.testResults = [];
+    }
+}
+
+// Singleton pattern
+let instance = null;
+
+const PWAOfflineTesterAPI = {
+    getInstance() {
+        if (!instance) {
+            instance = new PWAOfflineTester();
+        }
+        return instance;
+    },
+    
+    runTests() {
+        return this.getInstance().runTests();
+    }
+};
+
+// Export for module use
+if (typeof module !== 'undefined' && module.exports) {
+    module.exports = PWAOfflineTesterAPI;
+} else if (typeof window !== 'undefined' && !window.PWAOfflineTester) {
+    window.PWAOfflineTester = PWAOfflineTesterAPI;
+}
+
+// Auto-initialize
+if (typeof window !== 'undefined' && !window.pwaOfflineTester) {
+    window.pwaOfflineTester = PWAOfflineTesterAPI.getInstance();
+    
+    // Add global function for easy access
+    window.testPWAOffline = () => {
+        window.pwaOfflineTester.runTests();
+    };
+}

src/styles/components.css

@@ -349,35 +349,6 @@ button i {
     margin-right: 0.5rem;
 }
 
-/* Pay-per-session UI - Обновленный трехцветный таймер */
-.session-timer {
-    padding: 8px 16px;
-    border-radius: 8px;
-    font-weight: 600;
-    font-size: 14px;
-    display: flex;
-    align-items: center;
-    gap: 8px;
-    border: 1px solid rgba(255, 255, 255, 0.1);
-    backdrop-filter: blur(10px);
-    transition: all 0.5s ease;
-}
-
-.session-timer:hover {
-    transform: translateY(-1px);
-    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
-}
-
-/* Анимация пульсации для красной зоны */
-@keyframes timer-pulse {
-    0%, 100% { opacity: 1; }
-    50% { opacity: 0.7; }
-}
-
-.session-timer.animate-pulse {
-    animation: timer-pulse 2s ease-in-out infinite;
-}
-
 /* Lightning button */
 .lightning-button {
     background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);

sw.js

@@ -1,34 +1,33 @@
 // SecureBit.chat Service Worker
-// Enhanced Security Edition v4.3.120 - ECDH + DTLS + SAS
+// Conservative PWA Edition v4.3.120 - Minimal Caching Strategy
 
-const CACHE_NAME = 'securebit-v4.3.120';
-const STATIC_CACHE = 'securebit-static-v4.3.120';
-const DYNAMIC_CACHE = 'securebit-dynamic-v4.3.120';
+const CACHE_NAME = 'securebit-pwa-v4.3.120';
+const STATIC_CACHE = 'securebit-pwa-static-v4.3.120';
+const DYNAMIC_CACHE = 'securebit-pwa-dynamic-v4.3.120';
 
-// Files to cache for offline functionality (excluding external CDNs that may have CORS issues)
+// Essential files for PWA offline functionality
 const STATIC_ASSETS = [
     '/',
     '/index.html',
     '/manifest.json',
-    '/src/crypto/EnhancedSecureCryptoUtils.js',
-    '/src/network/EnhancedSecureWebRTCManager.js',
-    '/src/session/PayPerSessionManager.js',
-    '/src/components/ui/SessionTimer.jsx',
-    '/src/components/ui/Header.jsx',
-    '/src/components/ui/PasswordModal.jsx',
-    '/src/components/ui/SessionTypeSelector.jsx',
-    '/src/components/ui/PaymentModal.jsx',
-    '/src/components/ui/DownloadApps.jsx',
-    '/src/components/ui/ComparisonTable.jsx',
-    '/src/components/ui/UniqueFeatureSlider.jsx',
-    '/src/components/ui/SecurityFeatures.jsx',
-    '/src/components/ui/Testimonials.jsx',
-    '/src/components/ui/Roadmap.jsx',
-    '/src/styles/main.css',
-    '/src/styles/animations.css',
-    '/src/styles/components.css',
+    
+    // Core PWA files only
+    '/dist/app.js',
+    '/dist/app-boot.js',
+    
+    // Essential styles for PWA
     '/src/styles/pwa.css',
-    '/logo/favicon.ico'
+    
+    // PWA icons (required for install)
+    '/logo/icon-192x192.png',
+    '/logo/icon-512x512.png',
+    '/logo/favicon.ico',
+    
+    // PWA components only
+    '/src/pwa/pwa-manager.js',
+    '/src/pwa/install-prompt.js',
+    '/src/scripts/pwa-register.js',
+    '/src/scripts/pwa-offline-test.js'
 ];
 
 // Sensitive files that should never be cached
@@ -43,21 +42,22 @@ const SENSITIVE_PATTERNS = [
 
 // Network first patterns (always try network first)
 const NETWORK_FIRST_PATTERNS = [
-    /\.js$/,
-    /\.jsx$/,
-    /\/src\//,
-    /api/
+    /\/api\//,
+    /\/session\//,
+    /\/payment\//,
+    /\/verification\//,
+    /preimage/,
+    /auth/
 ];
 
-// Cache first patterns (static assets)
+// Cache first patterns (only essential PWA assets)
 const CACHE_FIRST_PATTERNS = [
-    /\.css$/,
-    /\.png$/,
-    /\.jpg$/,
-    /\.svg$/,
-    /\.ico$/,
-    /fonts/,
-    /logo/
+    /manifest\.json$/,
+    /logo\/icon-.*\.png$/,
+    /logo\/favicon\.ico$/,
+    /src\/styles\/pwa\.css$/,
+    /src\/pwa\/.*\.js$/,
+    /src\/scripts\/pwa-.*\.js$/
 ];
 
 self.addEventListener('message', (event) => {
@@ -160,23 +160,23 @@ self.addEventListener('fetch', (event) => {
     event.respondWith(handleRequest(event.request));
 });
 
-// Smart request handling with security considerations
+// Conservative request handling - only cache PWA essentials
 async function handleRequest(request) {
     const url = new URL(request.url);
     
     try {
-        // Strategy 1: Cache First (for static assets)
+        // Strategy 1: Cache First (only for essential PWA assets)
         if (CACHE_FIRST_PATTERNS.some(pattern => pattern.test(url.pathname))) {
             return await cacheFirst(request);
         }
         
-        // Strategy 2: Network First (for dynamic content and security-critical files)
+        // Strategy 2: Network First (for all other requests)
         if (NETWORK_FIRST_PATTERNS.some(pattern => pattern.test(url.pathname))) {
             return await networkFirst(request);
         }
         
-        // Strategy 3: Stale While Revalidate (for main pages)
-        return await staleWhileRevalidate(request);
+        // Strategy 3: Network First for everything else (no aggressive caching)
+        return await networkFirst(request);
         
     } catch (error) {
         console.error('❌ Request handling failed:', error);
@@ -254,29 +254,39 @@ async function staleWhileRevalidate(request) {
     return cachedResponse || networkResponsePromise || handleOffline(request);
 }
 
-// Offline fallback
+// Offline fallback - minimal caching for PWA only
 async function handleOffline(request) {
     const url = new URL(request.url);
     
     // For navigation requests, return cached index.html
-    if (request.destination === 'document') {
-        const cachedIndex = await caches.match('/');
+    if (request.destination === 'document' || request.mode === 'navigate') {
+        const cachedIndex = await caches.match('/index.html');
         if (cachedIndex) {
             return cachedIndex;
         }
+        
+        // Fallback to root if index.html not found
+        const cachedRoot = await caches.match('/');
+        if (cachedRoot) {
+            return cachedRoot;
+        }
     }
     
-    // For images, return a placeholder or cached version
-    if (request.destination === 'image') {
-        return new Response(
-            '<svg xmlns="http://www.w3.org/2000/svg" width="200" height="200" viewBox="0 0 200 200"><rect width="200" height="200" fill="#1a1a1a"/><text x="100" y="100" text-anchor="middle" fill="#666" font-size="14">Offline</text></svg>',
-            { headers: { 'Content-Type': 'image/svg+xml' } }
-        );
+    // For PWA assets, try to return cached version
+    if (CACHE_FIRST_PATTERNS.some(pattern => pattern.test(url.pathname))) {
+        const cachedAsset = await caches.match(request);
+        if (cachedAsset) {
+            return cachedAsset;
+        }
     }
     
-    // Return a generic offline response
+    // Return a generic offline response for everything else
     return new Response(
-        JSON.stringify({ error: 'Offline', message: 'Network unavailable' }), 
+        JSON.stringify({ 
+            error: 'Offline', 
+            message: 'Network unavailable - PWA offline mode',
+            url: url.pathname
+        }), 
         {
             status: 503,
             statusText: 'Service Unavailable',
@@ -293,6 +303,29 @@ self.addEventListener('sync', (event) => {
     }
 });
 
+async function retryFailedRequests() {
+    try {
+        // Get all cached requests that failed
+        const cache = await caches.open(DYNAMIC_CACHE);
+        const requests = await cache.keys();
+        
+        for (const request of requests) {
+            try {
+                // Try to fetch the request again
+                const response = await fetch(request);
+                if (response.ok) {
+                    // Update cache with successful response
+                    await cache.put(request, response);
+                }
+            } catch (error) {
+                console.warn('⚠️ Retry failed for:', request.url, error.message);
+            }
+        }
+    } catch (error) {
+        console.error('❌ Failed to retry requests:', error);
+    }
+}
+
 
 
 // Notification click handler