refactor: enhance child route management in ClientPaths and StaffPaths; ensure proper handling of empty child paths

apps/mobile/apps/client/lib/main.dart

@@ -1,19 +1,20 @@
+import 'package:client_authentication/client_authentication.dart'
+    as client_authentication;
+import 'package:client_create_order/client_create_order.dart'
+    as client_create_order;
+import 'package:client_hubs/client_hubs.dart' as client_hubs;
+import 'package:client_main/client_main.dart' as client_main;
+import 'package:client_settings/client_settings.dart' as client_settings;
 import 'package:core_localization/core_localization.dart' as core_localization;
 import 'package:design_system/design_system.dart';
+import 'package:firebase_core/firebase_core.dart';
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:flutter_modular/flutter_modular.dart';
-import 'package:client_authentication/client_authentication.dart'
-    as client_authentication;
-import 'package:client_main/client_main.dart' as client_main;
-import 'package:client_settings/client_settings.dart' as client_settings;
-import 'package:client_hubs/client_hubs.dart' as client_hubs;
-import 'package:client_create_order/client_create_order.dart'
-    as client_create_order;
-import 'package:firebase_core/firebase_core.dart';
-import 'package:flutter/foundation.dart';
 import 'package:krow_core/core.dart';
+
 import 'firebase_options.dart';
 
 void main() async {
@@ -32,23 +33,23 @@ class AppModule extends Module {
   @override
   void routes(RouteManager r) {
     // Initial route points to the client authentication flow
-    r.module('/', module: client_authentication.ClientAuthenticationModule());
+    r.module(ClientPaths.root, module: client_authentication.ClientAuthenticationModule());
 
     // Client main shell with bottom navigation (includes home as a child)
-    r.module('/client-main', module: client_main.ClientMainModule());
+    r.module(ClientPaths.main, module: client_main.ClientMainModule());
 
     // Client settings route
     r.module(
-      '/client-settings',
+      ClientPaths.settings,
       module: client_settings.ClientSettingsModule(),
     );
 
     // Client hubs route
-    r.module('/client-hubs', module: client_hubs.ClientHubsModule());
+    r.module(ClientPaths.hubs, module: client_hubs.ClientHubsModule());
 
     // Client create order route
     r.module(
-      '/create-order',
+      ClientPaths.createOrder,
       module: client_create_order.ClientCreateOrderModule(),
     );
   }

apps/mobile/packages/core/lib/src/routing/client/navigator.dart

@@ -48,7 +48,7 @@ extension ClientNavigator on IModularNavigator {
   /// This is typically called after successful authentication or when
   /// returning to the main application from a deep feature.
   ///
-  /// Uses absolute navigation to ensure proper routing from any context.
+  /// Uses pushNamed to avoid trailing slash issues with navigate().
   void toClientHome() {
     navigate(ClientPaths.home);
   }

apps/mobile/packages/core/lib/src/routing/client/route_paths.dart

@@ -16,7 +16,21 @@ class ClientPaths {
   /// Generate child route based on the given route and parent route
   ///
   /// This is useful for creating nested routes within modules.
-  static String childRoute(String parent, String child) => child.replaceFirst(parent, '');
+  static String childRoute(String parent, String child)  {
+    final String childPath = child.replaceFirst(parent, '');
+    
+    // check if the child path is empty
+    if (childPath.isEmpty) {
+      return '/';
+    } 
+    
+    // ensure the child path starts with a '/'
+    if (!childPath.startsWith('/')) {
+      return '/$childPath';
+    }
+
+    return childPath;
+  }
 
   // ==========================================================================
   // AUTHENTICATION

apps/mobile/packages/core/lib/src/routing/staff/route_paths.dart

@@ -16,7 +16,21 @@ class StaffPaths {
   /// Generate child route based on the given route and parent route
   ///
   /// This is useful for creating nested routes within modules.
-  static String childRoute(String parent, String child) => child.replaceFirst(parent, '');
+  static String childRoute(String parent, String child)  {
+    final String childPath = child.replaceFirst(parent, '');
+    
+    // check if the child path is empty
+    if (childPath.isEmpty) {
+      return '/';
+    } 
+    
+    // ensure the child path starts with a '/'
+    if (!childPath.startsWith('/')) {
+      return '/$childPath';
+    }
+
+    return childPath;
+  }
   
   // ==========================================================================
   // AUTHENTICATION
@@ -93,7 +107,8 @@ class StaffPaths {
   /// Personal information onboarding.
   ///
   /// Collect basic personal information during staff onboarding.
-  static const String onboardingPersonalInfo = '/worker-main/onboarding/personal-info';
+  static const String onboardingPersonalInfo =
+      '/worker-main/onboarding/personal-info';
 
   /// Emergency contact information.
   ///

apps/mobile/packages/features/client/authentication/lib/src/presentation/pages/client_sign_in_page.dart

@@ -37,7 +37,7 @@ class ClientSignInPage extends StatelessWidget {
     final TranslationsClientAuthenticationSignInPageEn i18n = t.client_authentication.sign_in_page;
     final ClientAuthBloc authBloc = Modular.get<ClientAuthBloc>();
 
-    return BlocProvider.value(
+    return BlocProvider<ClientAuthBloc>.value(
       value: authBloc,
       child: BlocConsumer<ClientAuthBloc, ClientAuthState>(
         listener: (BuildContext context, ClientAuthState state) {

apps/mobile/packages/features/client/home/lib/client_home.dart

@@ -47,6 +47,9 @@ class ClientHomeModule extends Module {
 
   @override
   void routes(RouteManager r) {
-    r.child(ClientPaths.childRoute(ClientPaths.home, ClientPaths.home), child: (_) => const ClientHomePage());
+    r.child(
+      ClientPaths.childRoute(ClientPaths.home, ClientPaths.home),
+      child: (_) => const ClientHomePage(),
+    );
   }
 }