feat: Implement staff profile retrieval and sign-out use cases; refactor profile management in the client app

apps/mobile/packages/data_connect/lib/krow_data_connect.dart

@@ -25,4 +25,6 @@ export 'src/connectors/staff/domain/usecases/get_personal_info_completion_usecas
 export 'src/connectors/staff/domain/usecases/get_emergency_contacts_completion_usecase.dart';
 export 'src/connectors/staff/domain/usecases/get_experience_completion_usecase.dart';
 export 'src/connectors/staff/domain/usecases/get_tax_forms_completion_usecase.dart';
+export 'src/connectors/staff/domain/usecases/get_staff_profile_usecase.dart';
+export 'src/connectors/staff/domain/usecases/sign_out_staff_usecase.dart';
 export 'src/connectors/staff/data/repositories/staff_connector_repository_impl.dart';

apps/mobile/packages/data_connect/lib/src/connectors/staff/data/repositories/staff_connector_repository_impl.dart

@@ -1,5 +1,6 @@
 import 'package:firebase_data_connect/firebase_data_connect.dart';
 import 'package:krow_data_connect/krow_data_connect.dart';
+import 'package:krow_domain/krow_domain.dart';
 
 /// Implementation of [StaffConnectorRepository].
 ///
@@ -137,4 +138,52 @@ class StaffConnectorRepositoryImpl implements StaffConnectorRepository {
         taxForms.isNotEmpty &&
         hasExperience;
   }
+
+  @override
+  Future<Staff> getStaffProfile() async {
+    return _service.run(() async {
+      final String staffId = await _service.getStaffId();
+
+      final QueryResult<GetStaffByIdData, GetStaffByIdVariables> response =
+          await _service.connector
+              .getStaffById(id: staffId)
+              .execute();
+
+      if (response.data.staff == null) {
+        throw const ServerException(
+          technicalMessage: 'Staff not found',
+        );
+      }
+
+      final GetStaffByIdStaff rawStaff = response.data.staff!;
+
+      // Map the raw data connect object to the Domain Entity
+      return Staff(
+        id: rawStaff.id,
+        authProviderId: rawStaff.userId,
+        name: rawStaff.fullName,
+        email: rawStaff.email ?? '',
+        phone: rawStaff.phone,
+        avatar: rawStaff.photoUrl,
+        status: StaffStatus.active,
+        address: rawStaff.addres,
+        totalShifts: rawStaff.totalShifts,
+        averageRating: rawStaff.averageRating,
+        onTimeRate: rawStaff.onTimeRate,
+        noShowCount: rawStaff.noShowCount,
+        cancellationCount: rawStaff.cancellationCount,
+        reliabilityScore: rawStaff.reliabilityScore,
+      );
+    });
+  }
+
+  @override
+  Future<void> signOut() async {
+    try {
+      await _service.auth.signOut();
+      _service.clearCache();
+    } catch (e) {
+      throw Exception('Error signing out: ${e.toString()}');
+    }
+  }
 }

apps/mobile/packages/data_connect/lib/src/connectors/staff/domain/repositories/staff_connector_repository.dart

@@ -1,3 +1,5 @@
+import 'package:krow_domain/krow_domain.dart';
+
 /// Repository interface for staff connector queries.
 ///
 /// This interface defines the contract for accessing staff-related data
@@ -30,4 +32,18 @@ abstract interface class StaffConnectorRepository {
   ///
   /// Returns true if at least one tax form exists.
   Future<bool> getTaxFormsCompletion();
+
+  /// Fetches the full staff profile for the current authenticated user.
+  ///
+  /// Returns a [Staff] entity containing all profile information.
+  ///
+  /// Throws an exception if the profile cannot be retrieved.
+  Future<Staff> getStaffProfile();
+
+  /// Signs out the current user.
+  ///
+  /// Clears the user's session and authentication state.
+  ///
+  /// Throws an exception if the sign-out fails.
+  Future<void> signOut();
 }

apps/mobile/packages/data_connect/lib/src/connectors/staff/domain/usecases/get_staff_profile_usecase.dart

@@ -0,0 +1,28 @@
+import 'package:krow_core/core.dart';
+import 'package:krow_domain/krow_domain.dart';
+
+import '../repositories/staff_connector_repository.dart';
+
+/// Use case for fetching a staff member's full profile information.
+///
+/// This use case encapsulates the business logic for retrieving the complete
+/// staff profile including personal info, ratings, and reliability scores.
+/// It delegates to the repository for data access.
+class GetStaffProfileUseCase extends UseCase<void, Staff> {
+  /// Creates a [GetStaffProfileUseCase].
+  ///
+  /// Requires a [StaffConnectorRepository] for data access.
+  GetStaffProfileUseCase({
+    required StaffConnectorRepository repository,
+  }) : _repository = repository;
+
+  final StaffConnectorRepository _repository;
+
+  /// Executes the use case to get the staff profile.
+  ///
+  /// Returns a [Staff] entity containing all profile information.
+  ///
+  /// Throws an exception if the operation fails.
+  @override
+  Future<Staff> call([void params]) => _repository.getStaffProfile();
+}

apps/mobile/packages/data_connect/lib/src/connectors/staff/domain/usecases/sign_out_staff_usecase.dart

@@ -0,0 +1,25 @@
+import 'package:krow_core/core.dart';
+
+import '../repositories/staff_connector_repository.dart';
+
+/// Use case for signing out the current staff user.
+///
+/// This use case encapsulates the business logic for signing out,
+/// including clearing authentication state and cache.
+/// It delegates to the repository for data access.
+class SignOutStaffUseCase extends NoInputUseCase<void> {
+  /// Creates a [SignOutStaffUseCase].
+  ///
+  /// Requires a [StaffConnectorRepository] for data access.
+  SignOutStaffUseCase({
+    required StaffConnectorRepository repository,
+  }) : _repository = repository;
+
+  final StaffConnectorRepository _repository;
+
+  /// Executes the use case to sign out the user.
+  ///
+  /// Throws an exception if the operation fails.
+  @override
+  Future<void> call() => _repository.signOut();
+}