Refactor API endpoint usage across multiple repositories to use ClientEndpoints and StaffEndpoints

- Updated ClientOrderQueryRepositoryImpl to replace V2ApiEndpoints with ClientEndpoints for vendor, role, hub, and manager retrieval methods.
- Modified ViewOrdersRepositoryImpl to utilize ClientEndpoints for order viewing, editing, and vendor retrieval.
- Refactored ReportsRepositoryImpl to switch from V2ApiEndpoints to ClientEndpoints for various report fetching methods.
- Changed SettingsRepositoryImpl to use AuthEndpoints for sign-out functionality.
- Adjusted AuthRepositoryImpl to replace V2ApiEndpoints with AuthEndpoints for phone authentication and sign-out processes.
- Updated ProfileSetupRepositoryImpl to utilize StaffEndpoints for profile setup.
- Refactored AvailabilityRepositoryImpl to switch from V2ApiEndpoints to StaffEndpoints for availability management.
- Changed ClockInRepositoryImpl to use StaffEndpoints for clock-in and clock-out functionalities.
- Updated HomeRepositoryImpl to replace V2ApiEndpoints with StaffEndpoints for dashboard and profile completion retrieval.
- Refactored PaymentsRepositoryImpl to utilize StaffEndpoints for payment summaries and history.
- Changed ProfileRepositoryImpl to switch from V2ApiEndpoints to StaffEndpoints for staff profile and section status retrieval.
- Updated CertificatesRepositoryImpl to use StaffEndpoints for certificate management.
- Refactored DocumentsRepositoryImpl to switch from V2ApiEndpoints to StaffEndpoints for document management.
- Changed TaxFormsRepositoryImpl to utilize StaffEndpoints for tax form management.
- Updated BankAccountRepositoryImpl to switch from V2ApiEndpoints to StaffEndpoints for bank account management.
- Refactored TimeCardRepositoryImpl to use StaffEndpoints for time card retrieval.
- Changed AttireRepositoryImpl to utilize StaffEndpoints for attire management.
- Updated EmergencyContactRepositoryImpl to switch from V2ApiEndpoints to StaffEndpoints for emergency contact management.
- Refactored ExperienceRepositoryImpl to use StaffEndpoints for industry and skill retrieval.
- Changed PersonalInfoRepositoryImpl to switch from V2ApiEndpoints to StaffEndpoints for personal information management.
- Updated FaqsRepositoryImpl to utilize StaffEndpoints for FAQs retrieval.
- Refactored PrivacySettingsRepositoryImpl to switch from V2ApiEndpoints to StaffEndpoints for privacy settings management.
- Changed ShiftsRepositoryImpl to use StaffEndpoints for shift management and retrieval.
- Updated StaffMainRepositoryImpl to switch from V2ApiEndpoints to StaffEndpoints for profile completion checks.

apps/mobile/packages/features/client/authentication/lib/src/data/repositories_impl/auth_repository_impl.dart

@@ -45,7 +45,7 @@ class AuthRepositoryImpl implements AuthRepositoryInterface {
       // Step 1: Call V2 sign-in endpoint — server handles Firebase Auth
       // via Identity Toolkit and returns a full auth envelope.
       final ApiResponse response = await _apiService.post(
-        V2ApiEndpoints.clientSignIn,
+        AuthEndpoints.clientSignIn.path,
         data: <String, dynamic>{
           'email': email,
           'password': password,
@@ -107,7 +107,7 @@ class AuthRepositoryImpl implements AuthRepositoryInterface {
       //   - Creates user, tenant, business, memberships in one transaction
       //   - Returns full auth envelope with session tokens
       final ApiResponse response = await _apiService.post(
-        V2ApiEndpoints.clientSignUp,
+        AuthEndpoints.clientSignUp.path,
         data: <String, dynamic>{
           'companyName': companyName,
           'email': email,
@@ -172,7 +172,7 @@ class AuthRepositoryImpl implements AuthRepositoryInterface {
   Future<void> signOut() async {
     try {
       // Step 1: Call V2 sign-out endpoint for server-side token revocation.
-      await _apiService.post(V2ApiEndpoints.clientSignOut);
+      await _apiService.post(AuthEndpoints.clientSignOut.path);
     } catch (e) {
       developer.log(
         'V2 sign-out request failed: $e',