sistemato deeplinking alla serviceformscreen, aggiunto logout e sistemate altre cose

lib/features/services/data/services_repository.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:supabase_flutter/supabase_flutter.dart';
 import '../models/service_model.dart';
 
@@ -187,4 +188,28 @@ class ServicesRepository {
       ]; // Fallback se non c'è ancora storia
     }
   }
+
+  Future<void> uploadAttachment({
+    required String serviceId,
+    required String fileName,
+    required Uint8List fileBytes,
+  }) async {
+    try {
+      // 1. Upload fisico nel bucket 'service_documents'
+      final path = '$serviceId/$fileName';
+      await _supabase.storage
+          .from('service_documents')
+          .uploadBinary(path, fileBytes);
+
+      // 2. Registriamo l'esistenza del file nel database
+      await _supabase.from('service_attachment').insert({
+        'service_id': serviceId,
+        'file_path': path,
+        'file_name': fileName,
+        'created_at': DateTime.now().toIso8601String(),
+      });
+    } catch (e) {
+      throw "Errore upload: $e";
+    }
+  }
 }