Refactor customer management: migrate from Bloc to Cubit, update state handling, and implement customer search functionality

lib/features/services/blocs/services_cubit.dart

@@ -124,6 +124,7 @@ class ServicesCubit extends Cubit<ServicesState> {
     bool? isBozza,
     bool? resultOk,
     String? customerId,
+    String? customerDisplayName,
   }) {
     if (state.currentService == null) return;
 
@@ -138,6 +139,7 @@ class ServicesCubit extends Cubit<ServicesState> {
       isBozza: isBozza,
       resultOk: resultOk,
       customerId: customerId,
+      customerDisplayName: customerDisplayName,
     );
 
     emit(state.copyWith(currentService: updated));

lib/features/services/ui/service_form_screen/customer_section.dart

@@ -0,0 +1,97 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flux/features/customers/ui/customer_search_sheet.dart';
+import 'package:flux/features/services/models/service_model.dart';
+
+class CustomerSection extends StatelessWidget {
+  final ServiceModel service;
+
+  const CustomerSection({super.key, required this.service});
+
+  void _openCustomerSearch(BuildContext context) {
+    showModalBottomSheet(
+      context: context,
+      isScrollControlled: true,
+      shape: const RoundedRectangleBorder(
+        borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
+      ),
+      builder: (modalContext) {
+        return Padding(
+          padding: EdgeInsets.only(
+            bottom: MediaQuery.of(modalContext).viewInsets.bottom,
+          ),
+          // La modale di ricerca
+          child: const CustomerSearchSheet(),
+        );
+      },
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    // Niente BlocBuilder qui! Leggiamo solo la variabile 'service'
+    final hasCustomer = service.customerId != null;
+
+    return Card(
+      elevation: 2,
+      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
+      child: Padding(
+        padding: const EdgeInsets.all(16.0),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Row(
+              children: [
+                Icon(
+                  Icons.person,
+                  color: Theme.of(context).colorScheme.primary,
+                ),
+                const SizedBox(width: 8),
+                Text(
+                  "Dati Cliente",
+                  style: Theme.of(context).textTheme.titleMedium,
+                ),
+              ],
+            ),
+            const SizedBox(height: 16),
+
+            if (!hasCustomer)
+              Center(
+                child: ElevatedButton.icon(
+                  onPressed: () => _openCustomerSearch(context),
+                  icon: const Icon(Icons.search),
+                  label: const Text("Seleziona o Crea Cliente"),
+                  style: ElevatedButton.styleFrom(
+                    padding: const EdgeInsets.symmetric(
+                      horizontal: 24,
+                      vertical: 12,
+                    ),
+                  ),
+                ),
+              )
+            else
+              Row(
+                mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                children: [
+                  Expanded(
+                    child: Text(
+                      service.customerDisplayName ?? "Cliente Selezionato",
+                      style: const TextStyle(
+                        fontSize: 16,
+                        fontWeight: FontWeight.bold,
+                      ),
+                    ),
+                  ),
+                  TextButton.icon(
+                    onPressed: () => _openCustomerSearch(context),
+                    icon: const Icon(Icons.edit, size: 18),
+                    label: const Text("Cambia"),
+                  ),
+                ],
+              ),
+          ],
+        ),
+      ),
+    );
+  }
+}