improve relay connection

lib/data/nostr/nostr_service.dart

@@ -836,32 +836,73 @@ class NostrService {
       }
 
       // Attempt to connect to all added relays in parallel
-      // Connections happen in the background - if they fail, relays will be auto-disabled
+      // The connectRelay() method already maintains the connection via its internal listener
+      // We just need to wait for connections to be established
+      final connectionFutures = <Future<void>>[];
       for (final relayUrl in addedRelayUrls) {
-        try {
-          // Connect in background - don't wait for it
-          connectRelay(relayUrl).then((stream) {
-            // Connection successful - stream will be handled by existing connection logic
-            Logger.info('Successfully connected to NIP-05 relay: $relayUrl');
-          }).catchError((error) {
-            // Connection failed - relay will be auto-disabled by getRelays() logic
-            Logger.warning('Failed to connect to NIP-05 relay: $relayUrl - $error');
+        connectionFutures.add(
+          Future<void>(() async {
             try {
-              setRelayEnabled(relayUrl, false);
-            } catch (_) {
-              // Ignore errors
+              Logger.info('Connecting to NIP-05 relay: $relayUrl');
+              
+              // Connect to the relay - this sets up the connection and maintains it
+              // The stream is returned but we don't need to use it - the connection
+              // is maintained by the internal listener in connectRelay()
+              await connectRelay(relayUrl).timeout(
+                const Duration(seconds: 5),
+                onTimeout: () {
+                  throw Exception('Connection timeout');
+                },
+              );
+              
+              // Wait for connection to be confirmed
+              // The service marks connection as established after 500ms if no errors occur
+              // or when the first message is received
+              // We'll wait up to 2 seconds, checking every 200ms
+              bool connected = false;
+              for (int i = 0; i < 10; i++) {
+                await Future.delayed(const Duration(milliseconds: 200));
+                final relay = _relays.firstWhere(
+                  (r) => r.url == relayUrl,
+                  orElse: () => throw Exception('Relay not found'),
+                );
+                if (relay.isConnected) {
+                  connected = true;
+                  Logger.info('Successfully connected to NIP-05 relay: $relayUrl');
+                  break;
+                }
+              }
+              
+              if (!connected) {
+                // Connection didn't establish within timeout - disable the relay
+                Logger.warning('Connection not established for NIP-05 relay: $relayUrl within 2 seconds - disabling');
+                try {
+                  disconnectRelay(relayUrl);
+                  setRelayEnabled(relayUrl, false);
+                } catch (_) {
+                  // Ignore errors
+                }
+              }
+              
+              // Note: We don't need to maintain a subscription to the stream here
+              // The connectRelay() method already has a listener that maintains the connection
+              // The stream is stored in _messageControllers and will remain active
+            } catch (e) {
+              // Connection failed - disable the relay
+              Logger.warning('Failed to connect to NIP-05 relay: $relayUrl - $e');
+              try {
+                disconnectRelay(relayUrl);
+                setRelayEnabled(relayUrl, false);
+              } catch (_) {
+                // Ignore errors
+              }
             }
-          });
-        } catch (e) {
-          // Connection attempt failed - disable the relay
-          Logger.warning('Failed to connect to NIP-05 relay: $relayUrl - $e');
-          try {
-            setRelayEnabled(relayUrl, false);
-          } catch (_) {
-            // Ignore errors
-          }
-        }
+          }),
+        );
       }
+      
+      // Wait for all connection attempts to complete (or timeout)
+      await Future.wait(connectionFutures, eagerError: false);
 
       Logger.info('Replaced ${existingRelays.length} relay(s) with $addedCount preferred relay(s) from NIP-05: $nip05 (all enabled and connecting)');
       return addedCount;

lib/data/session/session_service.dart

@@ -5,6 +5,7 @@ import '../../core/logger.dart';
 import '../../core/exceptions/session_exception.dart';
 import '../../core/service_locator.dart';
 import '../local/local_storage_service.dart';
+import '../local/models/item.dart';
 import '../sync/sync_engine.dart';
 import '../firebase/firebase_service.dart';
 import '../nostr/nostr_service.dart';
@@ -365,8 +366,29 @@ class SessionService {
   Future<void> _clearUserData(String userId) async {
     try {
       // Clear all data from local storage if it's the current user's storage
+      // But preserve app_settings (user-independent settings)
       if (_currentUser?.id == userId) {
+        // Save app_settings before clearing
+        Item? appSettings;
+        try {
+          appSettings = await _localStorage.getItem('app_settings');
+        } catch (e) {
+          // If we can't read it, that's okay - it might not exist
+          Logger.debug('Could not read app_settings before clearing: $e');
+        }
+        
+        // Clear all data
         await _localStorage.clearAllData();
+        
+        // Restore app_settings if it existed
+        if (appSettings != null) {
+          try {
+            await _localStorage.insertItem(appSettings);
+            Logger.debug('Preserved app_settings during logout');
+          } catch (e) {
+            Logger.warning('Failed to restore app_settings after logout: $e');
+          }
+        }
       }
 
       // Delete user-specific recipes database file

lib/ui/relay_management/relay_management_screen.dart

@@ -353,85 +353,91 @@ class _RelayListItem extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return Card(
-      margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
+      margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
       child: Padding(
-        padding: const EdgeInsets.all(12),
-        child: Column(
-          crossAxisAlignment: CrossAxisAlignment.start,
+        padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
+        child: Row(
           children: [
-            // Relay URL and status
-            Row(
-              children: [
-                // Status indicator
-                // Enabled means connected - if it's enabled but not connected, it should be disabled
-                Container(
-                  width: 12,
-                  height: 12,
-                  decoration: BoxDecoration(
-                    shape: BoxShape.circle,
-                    color: relay.isConnected && relay.isEnabled
-                        ? Colors.green
-                        : Colors.grey,
-                  ),
-                ),
-                const SizedBox(width: 8),
-                Expanded(
-                  child: Text(
+            // Status indicator
+            Container(
+              width: 10,
+              height: 10,
+              decoration: BoxDecoration(
+                shape: BoxShape.circle,
+                color: relay.isConnected && relay.isEnabled
+                    ? Colors.green
+                    : Colors.grey,
+              ),
+            ),
+            const SizedBox(width: 8),
+            // URL and status text
+            Expanded(
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  Text(
                     relay.url,
                     style: const TextStyle(
-                      fontWeight: FontWeight.bold,
-                      fontSize: 14,
+                      fontSize: 13,
+                      fontWeight: FontWeight.w500,
                     ),
+                    overflow: TextOverflow.ellipsis,
+                    maxLines: 1,
                   ),
-                ),
-              ],
-            ),
-            const SizedBox(height: 8),
-            // Status text
-            // Enabled means connected - if it's enabled but not connected, it should be disabled
-            Text(
-              relay.isConnected && relay.isEnabled
-                  ? 'Connected'
-                  : 'Disabled',
-              style: TextStyle(
-                fontSize: 12,
-                color: relay.isConnected && relay.isEnabled
-                    ? Colors.green
-                    : Colors.grey,
+                  const SizedBox(height: 2),
+                  Text(
+                    relay.isConnected && relay.isEnabled
+                        ? 'Connected'
+                        : 'Disabled',
+                    style: TextStyle(
+                      fontSize: 11,
+                      color: relay.isConnected && relay.isEnabled
+                          ? Colors.green
+                          : Colors.grey,
+                    ),
+                  ),
+                ],
               ),
             ),
-            const SizedBox(height: 12),
-            // Action buttons
+            const SizedBox(width: 8),
+            // Toggle switch
             Row(
-              mainAxisAlignment: MainAxisAlignment.end,
+              mainAxisSize: MainAxisSize.min,
               children: [
-                // Toggle switch
-                Row(
-                  children: [
-                    Text(
-                      relay.isEnabled ? 'On' : 'Off',
-                      style: TextStyle(
-                        fontSize: 12,
-                        color: Colors.grey[600],
-                      ),
-                    ),
-                    const SizedBox(width: 4),
-                    Switch(
-                      value: relay.isEnabled,
-                      onChanged: (_) => onToggle(),
-                    ),
-                  ],
+                Text(
+                  relay.isEnabled ? 'ON' : 'OFF',
+                  style: TextStyle(
+                    fontSize: 11,
+                    fontWeight: FontWeight.w500,
+                    color: relay.isEnabled
+                        ? Colors.green
+                        : Colors.grey[600],
+                  ),
                 ),
-                const SizedBox(width: 8),
-                // Remove button
-                IconButton(
-                  icon: const Icon(Icons.delete, size: 20),
-                  color: Colors.red,
-                  tooltip: 'Remove',
-                  onPressed: onRemove,
+                const SizedBox(width: 4),
+                Transform.scale(
+                  scale: 0.8,
+                  child: Switch(
+                    value: relay.isEnabled,
+                    onChanged: (_) => onToggle(),
+                  ),
                 ),
               ],
             ),
+            const SizedBox(width: 4),
+            // Remove button
+            IconButton(
+              icon: const Icon(Icons.delete, size: 18),
+              color: Colors.red,
+              tooltip: 'Remove',
+              onPressed: onRemove,
+              padding: EdgeInsets.zero,
+              constraints: const BoxConstraints(
+                minWidth: 32,
+                minHeight: 32,
+              ),
+            ),
           ],
         ),
       ),