pr?

Co-authored-by: Copilot <copilot@github.com>

lib/features/operations/data/operations_repository.dart

@@ -247,6 +247,30 @@ class OperationsRepository {
         .eq('id', file.id!);
   }
 
+  Future<void> renameAttachment(String id, String newName) async {
+    try {
+      await _supabase.from('attachment').update({'name': newName}).eq('id', id);
+    } catch (e) {
+      throw '$e';
+    }
+  }
+
+  Future<void> deleteSpecificOperationFile(AttachmentModel file) async {
+    try {
+      if (file.customerId == null) {
+        await _supabase.from('attachment').delete().eq('id', file.id!);
+        await _supabase.storage.from('documents').remove([file.storagePath!]);
+      } else {
+        await _supabase
+            .from('attachment')
+            .update({'operation_id': null})
+            .eq('id', file.id!);
+      }
+    } catch (e) {
+      throw '$e';
+    }
+  }
+
   Future<void> deleteOperationFiles(List<AttachmentModel> files) async {
     if (files.isEmpty) return;
     // 1. Prepariamo le liste di ID e di Percorsi
@@ -256,7 +280,7 @@ class OperationsRepository {
     for (var file in files) {
       if (file.customerId == null) {
         idsToDelete.add(file.id!);
-        storagePathsToDelete.add(file.storagePath);
+        storagePathsToDelete.add(file.storagePath!);
       } else {
         idsToEdit.add(file.id!);
       }