Initial commit (Security Hardened Slate)

lib/components/watch_ad_button.dart

@@ -0,0 +1,68 @@
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import 'package:paladinvpn/logic/session_timer.dart';
+import 'package:paladinvpn/logic/ad_manager.dart';
+
+/// WatchAdButton is a voluntary option allowing the user to watch a rewarded video ad
+/// and extend their active VPN tunnel session by 30 minutes as a reward.
+class WatchAdButton extends StatelessWidget {
+  const WatchAdButton({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Material(
+      color: Colors.transparent,
+      child: InkWell(
+        borderRadius: BorderRadius.circular(12),
+        onTap: () async {
+          final success = await context.read<AdManager>().showAd('bonus_ad');
+          if (success && context.mounted) {
+            context.read<SessionTimer>().addBonusTime(); // Calls Hivemind API for 30m + 1GB
+            ScaffoldMessenger.of(context).showSnackBar(
+              SnackBar(
+                content: const Text(
+                  '+30 minutes added!',
+                  style: TextStyle(fontWeight: FontWeight.w600),
+                ),
+                backgroundColor: const Color(0xFF006064),
+                behavior: SnackBarBehavior.floating,
+                shape: RoundedRectangleBorder(
+                  borderRadius: BorderRadius.circular(10),
+                ),
+                duration: const Duration(seconds: 2),
+              ),
+            );
+          }
+        },
+        child: Container(
+          padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 8),
+          decoration: BoxDecoration(
+            borderRadius: BorderRadius.circular(12),
+            gradient: const LinearGradient(
+              colors: [Color(0x1A00E5FF), Color(0x0D00E5FF)],
+            ),
+            border: Border.all(
+              color: const Color.fromRGBO(0, 229, 255, 0.25),
+            ),
+          ),
+          child: const Row(
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              Text('❤️', style: TextStyle(fontSize: 14)),
+              SizedBox(width: 6),
+              Text(
+                'Support +30m',
+                style: TextStyle(
+                  fontSize: 12,
+                  fontWeight: FontWeight.w600,
+                  color: Color(0xFF00E5FF),
+                  letterSpacing: 0.5,
+                ),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}