overall ui bugfixes and hivemind improvements

lib/components/bottom_bar.dart

@@ -2,13 +2,13 @@ import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:paladinvpn/logic/vpn_connection.dart';
 import 'package:paladinvpn/components/online_dot.dart';
+import 'package:paladinvpn/components/watch_ad_button.dart';
 
 /// BottomBar is the bottom utility panel that surfaces server connectivity status
 /// and offers the user an option to support the server when the VPN tunnel is active.
 class BottomBar extends StatelessWidget {
   const BottomBar({super.key});
 
-  // Dark card background color for high contrast overlay
   static const Color _cardBg = Color(0xFF1E2533);
 
   @override
@@ -29,8 +29,11 @@ class BottomBar extends StatelessWidget {
           ),
           child: Row(
             children: [
-              // Displays the server online/offline chip
+              // Server online/offline chip
               OnlineDot(isOnline: isOnline),
+              const Spacer(),
+              // Support button — only visible while connected
+              if (isOnline) const WatchAdButton(),
             ],
           ),
         );

lib/components/clock_display.dart

@@ -3,34 +3,28 @@ import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:paladinvpn/logic/session_timer.dart';
 
-/// ClockDisplay shows a large circular progress ring and the session countdown timer.
+/// ClockDisplay renders inside the ConnectButton circle when the VPN is active.
 ///
-/// The timer text glows electric cyan when a session is active and dims to slate gray when idle.
+/// Shows a circular quota-progress arc, a glowing countdown timer, and the
+/// current transfer speed — all sized to fit within the 260px button.
 class ClockDisplay extends StatelessWidget {
   const ClockDisplay({super.key});
 
   static const Color _cyanGlow = Color(0xFF00E5FF);
-  static const Color _dimSlate = Color(0xFF4A5568);
 
   @override
   Widget build(BuildContext context) {
     return Consumer<SessionTimer>(
       builder: (context, timer, _) {
-        final isLive = timer.isRunning;
-        final color = isLive ? _cyanGlow : _dimSlate;
-
-        return Column(
-          mainAxisSize: MainAxisSize.min,
-          children: [
-            SizedBox(
-              width: 220,
-              height: 220,
+        return SizedBox(
+          width: 200,
+          height: 200,
           child: Stack(
             alignment: Alignment.center,
             children: [
-                  // Background track ring representing the maximum capacity of the countdown
+              // Background quota track ring
               const CustomPaint(
-                    size: Size(220, 220),
+                size: Size(200, 200),
                 painter: _ArcPainter(
                   progress: 1.0,
                   color: Color.fromRGBO(74, 85, 104, 0.2),
@@ -38,13 +32,12 @@ class ClockDisplay extends StatelessWidget {
                 ),
               ),
 
-                  // Live progress ring showing current remaining time relative to the session limit
-                  if (isLive)
+              // Live quota progress ring
               TweenAnimationBuilder<double>(
                 tween: Tween(begin: 0, end: timer.progress),
                 duration: const Duration(milliseconds: 400),
                 builder: (context, value, _) => CustomPaint(
-                        size: const Size(220, 220),
+                  size: const Size(200, 200),
                   painter: _ArcPainter(
                     progress: value,
                     color: _cyanGlow,
@@ -54,59 +47,54 @@ class ClockDisplay extends StatelessWidget {
                 ),
               ),
 
-                  // Monospaced digital clock display for session countdown
-                  AnimatedDefaultTextStyle(
-                    duration: const Duration(milliseconds: 300),
-                    style: TextStyle(
-                      fontFamily: 'RobotoMono',
-                      fontSize: 48,
-                      fontWeight: FontWeight.w300,
-                      letterSpacing: 4,
-                      color: color,
-                      shadows: isLive
-                          ? const [
+              // Center content: countdown + speed
+              Column(
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  // Glowing countdown timer
+                  Text(
+                    timer.formatted,
+                    style: const TextStyle(
+                      fontSize: 40,
+                      fontWeight: FontWeight.w800,
+                      color: Colors.white,
+                      letterSpacing: 2,
+                      shadows: [
                         Shadow(
-                                color: Color.fromRGBO(0, 229, 255, 0.6),
-                                blurRadius: 20,
-                              ),
-                              Shadow(
-                                color: Color.fromRGBO(0, 229, 255, 0.3),
-                                blurRadius: 40,
-                              ),
-                            ]
-                          : const [],
-                    ),
-                    child: Text(timer.formatted),
+                          color: Color.fromRGBO(0, 229, 255, 0.5),
+                          blurRadius: 16,
                         ),
                       ],
                     ),
                   ),
-            const SizedBox(height: 12),
+                  const SizedBox(height: 6),
 
-            // Subtitle state label below the timer
-            AnimatedSwitcher(
-              duration: const Duration(milliseconds: 200),
-              child: Text(
-                isLive ? 'SESSION ACTIVE' : 'STANDBY',
-                key: ValueKey(isLive),
-                style: TextStyle(
+                  // Speed indicator
+                  Row(
+                    mainAxisSize: MainAxisSize.min,
+                    children: [
+                      const Icon(Icons.speed, color: Colors.white54, size: 14),
+                      const SizedBox(width: 4),
+                      Text(
+                        '${timer.currentSpeedKbps.toStringAsFixed(1)} KB/s',
+                        style: const TextStyle(
                           fontSize: 12,
-                  fontWeight: FontWeight.w600,
-                  letterSpacing: 3,
-                  color: isLive
-                      ? const Color.fromRGBO(0, 229, 255, 0.7)
-                      : const Color.fromRGBO(74, 85, 104, 0.7),
-                ),
+                          color: Colors.white54,
+                          fontWeight: FontWeight.w500,
                         ),
                       ),
                     ],
+                  ),
+                ],
+              ),
+            ],
+          ),
         );
       },
     );
   }
 }
 
-/// A custom painter to render a circular progress arc or background track ring.
 class _ArcPainter extends CustomPainter {
   final double progress;
   final Color color;
@@ -125,7 +113,6 @@ class _ArcPainter extends CustomPainter {
     final rect = Rect.fromLTWH(0, 0, size.width, size.height)
         .deflate(strokeWidth / 2);
 
-    // Optional blurred background paint to create an electric neon glow effect
     if (glow) {
       final glowPaint = Paint()
         ..color = const Color.fromRGBO(0, 229, 255, 0.15)
@@ -136,7 +123,6 @@ class _ArcPainter extends CustomPainter {
       canvas.drawArc(rect, -pi / 2, 2 * pi * progress, false, glowPaint);
     }
 
-    // Core progress stroke paint
     final paint = Paint()
       ..color = color
       ..style = PaintingStyle.stroke

lib/components/connect_button.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:paladinvpn/logic/vpn_connection.dart';
 import 'package:paladinvpn/logic/session_timer.dart';
+import 'package:paladinvpn/components/clock_display.dart';
 
 class ConnectButton extends StatefulWidget {
   const ConnectButton({super.key});
@@ -30,26 +31,38 @@ class _ConnectButtonState extends State<ConnectButton>
     _pulseAnim = Tween<double>(begin: 0.0, end: 1.0).animate(
       CurvedAnimation(parent: _pulseController, curve: Curves.easeInOut),
     );
+
+    // Listen to VpnConnection changes to drive the pulse animation
+    // from outside build(), keeping build() pure.
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      context.read<VpnConnection>().addListener(_onVpnStateChanged);
+    });
   }
 
   @override
   void dispose() {
+    context.read<VpnConnection>().removeListener(_onVpnStateChanged);
     _pulseController.dispose();
     super.dispose();
   }
 
+  void _onVpnStateChanged() {
+    if (!mounted) return;
+    final isConnected = context.read<VpnConnection>().status == VpnStatus.connected;
+    if (isConnected && !_pulseController.isAnimating) {
+      _pulseController.repeat(reverse: true);
+    } else if (!isConnected && _pulseController.isAnimating) {
+      _pulseController.stop();
+      _pulseController.reset();
+    }
+  }
+
   void _handleTap() async {
     if (_inCooldown) return;
 
-    setState(() {
-      _inCooldown = true;
-    });
+    setState(() => _inCooldown = true);
     Future.delayed(const Duration(seconds: 5), () {
-      if (mounted) {
-        setState(() {
-          _inCooldown = false;
-        });
-      }
+      if (mounted) setState(() => _inCooldown = false);
     });
 
     final vpn = context.read<VpnConnection>();
@@ -58,14 +71,11 @@ class _ConnectButtonState extends State<ConnectButton>
     if (vpn.status == VpnStatus.connected) {
       vpn.disconnect();
       timer.stop();
-      _pulseController.stop();
-      _pulseController.reset();
     } else if (vpn.status == VpnStatus.disconnected ||
                vpn.status == VpnStatus.error) {
       final success = await vpn.connect();
       if (success) {
         timer.start('main_ad');
-        _pulseController.repeat(reverse: true);
       }
     }
   }
@@ -77,13 +87,6 @@ class _ConnectButtonState extends State<ConnectButton>
         final isConnected = vpn.status == VpnStatus.connected;
         final isConnecting = vpn.status == VpnStatus.connecting;
 
-        if (isConnected && !_pulseController.isAnimating) {
-          _pulseController.repeat(reverse: true);
-        } else if (!isConnected && !isConnecting && _pulseController.isAnimating) {
-          _pulseController.stop();
-          _pulseController.reset();
-        }
-
         return GestureDetector(
           onTap: (isConnecting || _inCooldown) ? null : _handleTap,
           child: AnimatedBuilder(
@@ -122,7 +125,7 @@ class _ConnectButtonState extends State<ConnectButton>
                 ),
                 child: Center(
                   child: isConnected
-                    ? _buildConnectedStats(timer)
+                    ? const ClockDisplay()
                     : _buildDisconnectedIcon(vpn.status, _inCooldown),
                 ),
               );
@@ -164,44 +167,4 @@ class _ConnectButtonState extends State<ConnectButton>
       ],
     );
   }
-
-  Widget _buildConnectedStats(SessionTimer timer) {
-    return Column(
-      mainAxisSize: MainAxisSize.min,
-      children: [
-        // Countdown Timer
-        Text(
-          timer.formatted,
-          style: const TextStyle(
-            fontSize: 48,
-            fontWeight: FontWeight.w800,
-            color: Colors.white,
-            letterSpacing: 2,
-          ),
-        ),
-        const SizedBox(height: 8),
-        
-
-
-        // Speed indicator
-        Row(
-          mainAxisSize: MainAxisSize.min,
-          children: [
-            const Icon(Icons.speed, color: Colors.white70, size: 16),
-            const SizedBox(width: 4),
-            Text(
-              '${timer.currentSpeedKbps.toStringAsFixed(1)} KB/s',
-              style: const TextStyle(
-                fontSize: 14,
-                color: Colors.white70,
-                fontWeight: FontWeight.w500,
-              ),
-            ),
-          ],
-        ),
-
-
-      ],
-    );
-  }
 }

lib/components/info_button.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:url_launcher/url_launcher.dart';
 
 class InfoButton extends StatelessWidget {
-  const InfoButton({Key? key}) : super(key: key);
+  const InfoButton({super.key});
 
   Future<void> _launchGitHub() async {
     final Uri url = Uri.parse('https://github.com/esefxdz/PaladinVPN');

lib/components/status_text.dart

@@ -52,13 +52,20 @@ class StatusText extends StatelessWidget {
                     ),
                   ),
                 ] else ...[
-                  // Dynamic status icon (spinning arrows for loading, outlined shield for idle)
-                  Icon(
-                    isConnecting ? Icons.autorenew : Icons.shield_outlined,
+                  if (isConnecting)
+                    const SizedBox(
+                      width: 14,
+                      height: 14,
+                      child: CircularProgressIndicator(
+                        strokeWidth: 1.5,
+                        color: Color(0xFF00E5FF),
+                      ),
+                    )
+                  else
+                    const Icon(
+                      Icons.shield_outlined,
                       size: 18,
-                    color: isConnecting
-                        ? const Color(0xFF00E5FF)
-                        : const Color(0xAA4A5568),
+                      color: Color(0xAA4A5568),
                     ),
                   const SizedBox(width: 8),
                   Text(

lib/logic/ad_manager.dart

@@ -94,8 +94,8 @@ class AdManager extends ChangeNotifier {
     final keys = await CryptoService.getOrCreateKeys();
     final pubKey = keys['publicKey']!;
 
-    // 3. Attach custom data to the ad so Google sends it back to our Hivemind server
-    _rewardedAd!.serverSideVerificationOptions = ServerSideVerificationOptions(
+    // 3. Build SSV options to send to our Hivemind server via Google's callback
+    final ssvOptions = ServerSideVerificationOptions(
       customData: jsonEncode({
         'device_id': deviceId,
         'public_key': pubKey,
@@ -130,7 +130,8 @@ class AdManager extends ChangeNotifier {
       },
     );
 
-    // 5. Show the ad
+    // 5. Show the ad with SSV options
+    _rewardedAd!.setServerSideOptions(ssvOptions);
     await _rewardedAd!.show(
       onUserEarnedReward: (AdWithoutView ad, RewardItem reward) {
         debugPrint('[AdManager] Reward earned: ${reward.amount} ${reward.type}');

lib/logic/session_timer.dart

@@ -182,6 +182,7 @@ class SessionTimer extends ChangeNotifier {
   @override
   void dispose() {
     _timer?.cancel();
+    VpnNotificationManager.cancel();
     super.dispose();
   }
 }

lib/logic/vpn_connection.dart

@@ -156,7 +156,7 @@ class VpnConnection extends ChangeNotifier {
       return false;
     }
 
-    // ── Step 2: Start the WireGuard tunnel with the fetched config ─────────
+    // ── Step 3: Start the WireGuard tunnel with the fetched config ─────────
     try {
       // Re-initialize to ensure VPN permission is granted before starting
       await _wireguard.initialize(interfaceName: 'Paladin0');

lib/main.dart

@@ -4,6 +4,7 @@ import 'package:provider/provider.dart';
 
 import 'package:paladinvpn/logic/vpn_connection.dart';
 import 'package:paladinvpn/logic/session_timer.dart';
+import 'package:paladinvpn/logic/ad_manager.dart';
 import 'package:paladinvpn/screens/main_screen.dart';
 import 'package:paladinvpn/screens/intro.dart';
 
@@ -53,6 +54,9 @@ class PaladinApp extends StatelessWidget {
           update: (_, vpn, prev) =>
               prev ?? SessionTimer(vpnConnection: vpn),
         ),
+
+        // Manages rewarded ad lifecycle — preloads on startup.
+        ChangeNotifierProvider(create: (_) => AdManager()),
       ],
       child: MaterialApp(
         title: 'Paladin VPN',

server_hivemind_5_0.py

@@ -447,7 +447,9 @@ def admob_callback():
         if not device_id or not client_pubkey:
             return "Invalid custom_data payload", 400
 
-        success, msg = _start_or_extend_session(device_id, client_pubkey, 'main_ad')
+        ad_type       = custom_data.get('ad_type', 'main_ad')
+
+        success, msg = _start_or_extend_session(device_id, client_pubkey, ad_type)
         return ("OK", 200) if success else (msg, 500)
 
     except Exception as e: