feat: Update JWT to 75 days and remove session timeout

backend/src/controllers/authController.js

@@ -18,7 +18,7 @@ exports.login = (req, res) => {
         const token = jwt.sign(
             { id: user.id, username: user.username, role: user.role },
             process.env.JWT_SECRET,
-            { expiresIn: '30d' } // Extended for Remember Me support
+            { expiresIn: '75d' } // Extended for Remember Me support
         );
 
         res.json({

frontend/lib/ui/shared/widgets/inactivity_wrapper.dart

@@ -1,8 +1,5 @@
-import 'dart:async';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
-import '../../providers/auth_provider.dart';
-import '../../screens/login/login_screen.dart';
 
 class InactivityWrapper extends ConsumerStatefulWidget {
   final Widget child;
@@ -19,77 +16,8 @@ class InactivityWrapper extends ConsumerStatefulWidget {
 }
 
 class _InactivityWrapperState extends ConsumerState<InactivityWrapper> {
-  Timer? _inactivityTimer;
-  // 5 minutes = 300 seconds
-  static const int _inactivityTimeoutSeconds = 300; 
-
-  @override
-  void initState() {
-    super.initState();
-  }
-
-  void _resetTimer() {
-    // Only run the timer if the user is logged in
-    final authState = ref.read(authProvider);
-    if (authState.value == null) {
-      _inactivityTimer?.cancel();
-      return;
-    }
-
-    _inactivityTimer?.cancel();
-    _inactivityTimer = Timer(const Duration(seconds: _inactivityTimeoutSeconds), _handleInactivity);
-  }
-
-  Future<void> _handleInactivity() async {
-    // Guard: only act if user is still logged in
-    final authState = ref.read(authProvider);
-    if (authState.value == null) return;
-
-    // 1. Log out first (clears stored token)
-    await ref.read(authProvider.notifier).logout();
-
-    // 2. Navigate to login screen with sessionExpired flag using the root navigator
-    final navState = widget.navigatorKey.currentState;
-    if (navState != null && navState.mounted) {
-      navState.pushAndRemoveUntil(
-        MaterialPageRoute(builder: (_) => const LoginScreen(sessionExpired: true)),
-        (route) => false,
-      );
-    }
-  }
-
   @override
   Widget build(BuildContext context) {
-    // Listen to auth state changes to start/stop the timer
-    ref.listen(authProvider, (previous, next) {
-      if (next.value != null) {
-        // User logged in, start timer
-        _resetTimer();
-      } else {
-        // User logged out, cancel timer
-        _inactivityTimer?.cancel();
-      }
-    });
-
-    return Listener(
-      behavior: HitTestBehavior.translucent,
-      onPointerDown: (_) => _resetTimer(),
-      onPointerMove: (_) => _resetTimer(),
-      onPointerUp: (_) => _resetTimer(),
-      // Track keyboard activity as well
-      child: Focus(
-        onKeyEvent: (node, event) {
-          _resetTimer();
-          return KeyEventResult.ignored;
-        },
-        child: widget.child,
-      ),
-    );
-  }
-
-  @override
-  void dispose() {
-    _inactivityTimer?.cancel();
-    super.dispose();
+    return widget.child;
   }
 }