fix(server): remove connection stats feature (#1063)

lib/data/provider/server/all.dart

@@ -225,9 +225,6 @@ class ServersNotifier extends _$ServersNotifier {
     Stores.setting.serverOrder.put(newOrder);
     Stores.server.delete(id);
 
-    // Remove connection stats when server is deleted
-    Stores.connectionStats.clearServerStats(id);
-
     // Remove SSH session when server is deleted
     final sessionId = 'ssh_$id';
     TermSessionManager.remove(sessionId);
@@ -246,7 +243,6 @@ class ServersNotifier extends _$ServersNotifier {
 
     Stores.setting.serverOrder.put([]);
     Stores.server.clear();
-    Stores.connectionStats.clearAll();
     bakSync.sync(milliDelay: 1000);
   }
 

lib/data/provider/server/single.dart

@@ -13,7 +13,6 @@ import 'package:server_box/data/helper/system_detector.dart';
 import 'package:server_box/data/model/app/error.dart';
 import 'package:server_box/data/model/app/scripts/script_consts.dart';
 import 'package:server_box/data/model/app/scripts/shell_func.dart';
-import 'package:server_box/data/model/server/connection_stat.dart';
 import 'package:server_box/data/model/server/server.dart';
 import 'package:server_box/data/model/server/server_private_info.dart';
 import 'package:server_box/data/model/server/server_status_update_req.dart';
@@ -141,15 +140,6 @@ class ServerNotifier extends _$ServerNotifier {
           Loggers.app.info('Jump to ${spi.name} in $spentTime ms.');
         }
 
-        // Record successful connection
-        Stores.connectionStats.recordConnection(ConnectionStat(
-          serverId: spi.id,
-          serverName: spi.name,
-          timestamp: time1,
-          result: ConnectionResult.success,
-          durationMs: spentTime,
-        ));
-
         final sessionId = 'ssh_${spi.id}';
         TermSessionManager.add(
           id: sessionId,
@@ -161,29 +151,7 @@ class ServerNotifier extends _$ServerNotifier {
         TermSessionManager.setActive(sessionId, hasTerminal: false);
       } catch (e) {
         TryLimiter.inc(sid);
-        
-        // Determine connection failure type
-        ConnectionResult failureResult;
-        if (e.toString().contains('timeout') || e.toString().contains('Timeout')) {
-          failureResult = ConnectionResult.timeout;
-        } else if (e.toString().contains('auth') || e.toString().contains('Authentication')) {
-          failureResult = ConnectionResult.authFailed;
-        } else if (e.toString().contains('network') || e.toString().contains('Network')) {
-          failureResult = ConnectionResult.networkError;
-        } else {
-          failureResult = ConnectionResult.unknownError;
-        }
-        
-        // Record failed connection
-        Stores.connectionStats.recordConnection(ConnectionStat(
-          serverId: spi.id,
-          serverName: spi.name,
-          timestamp: DateTime.now(),
-          result: failureResult,
-          errorMessage: e.toString(),
-          durationMs: 0,
-        ));
-        
+
         final newStatus = state.status..err = SSHErr(type: SSHErrType.connect, message: e.toString());
         updateStatus(newStatus);
         updateConnection(ServerConn.failed);

lib/data/res/store.dart

@@ -17,6 +17,7 @@ abstract final class Stores {
   static PrivateKeyStore get key => getIt<PrivateKeyStore>();
   static SnippetStore get snippet => getIt<SnippetStore>();
   static HistoryStore get history => getIt<HistoryStore>();
+  // Keep the legacy box registered so existing connection stats DB files remain intact.
   static ConnectionStatsStore get connectionStats => getIt<ConnectionStatsStore>();
 
   /// All stores that need backup