refactor(core): improve type checking and fix password handling in demo data

Replaced `pyright:ignore` with `ty:ignore` for better compatibility and accuracy in type annotations. Removed inline passwords during user creation and updated logic to securely set and save passwords afterward.

engine/core/management/commands/demo_data.py

@@ -97,7 +97,6 @@ class Command(BaseCommand):
     def staff_user(self):
         user, _ = User.objects.get_or_create(
             email=f"staff@{DEMO_EMAIL_DOMAIN}",
-            password="Staff!Demo888",
             first_name="Alice",
             last_name="Schon",
             is_staff=True,
@@ -106,6 +105,7 @@ class Command(BaseCommand):
         )
         if _:
             user.set_password("Staff!Demo888")
+            user.save()
         if not user.groups.filter(name="E-Commerce Admin").exists():
             user.groups.add(Group.objects.get(name="E-Commerce Admin"))
         return user
@@ -114,7 +114,6 @@ class Command(BaseCommand):
     def super_user(self):
         user, _ = User.objects.get_or_create(
             email=f"super@{DEMO_EMAIL_DOMAIN}",
-            password="Super!Demo888",
             first_name="Bob",
             last_name="Schon",
             is_superuser=True,
@@ -124,6 +123,7 @@ class Command(BaseCommand):
         )
         if _:
             user.set_password("Super!Demo888")
+            user.save()
         return user
 
     def _load_demo_data(self) -> None:
@@ -644,11 +644,11 @@ class Command(BaseCommand):
                 is_static_page=post_data.get("is_static_page", False),
             )
             if "title_ru" in post_data:
-                post.title_ru_ru = post_data["title_ru"]
+                post.title_ru_ru = post_data["title_ru"]  # ty:ignore[unresolved-attribute]
             if content_ru:
-                post.content_ru_ru = content_ru
+                post.content_ru_ru = content_ru  # ty:ignore[unresolved-attribute]
             if "meta_description_ru" in post_data:
-                post.meta_description_ru_ru = post_data["meta_description_ru"]
+                post.meta_description_ru_ru = post_data["meta_description_ru"]  # ty:ignore[unresolved-attribute]
             post.save()
 
             for tag_name in post_data.get("tags", []):

engine/core/views.py

@@ -97,7 +97,7 @@ def sitemap_index(request, *args, **kwargs):
 
 
 # noinspection PyTypeChecker
-sitemap_index.__doc__ = _(  # pyright: ignore[reportUnknownVariableType]
+sitemap_index.__doc__ = _(  # ty:ignore[invalid-assignment]
     "Handles the request for the sitemap index and returns an XML response. "
     "It ensures the response includes the appropriate content type header for XML."
 )
@@ -112,7 +112,7 @@ def sitemap_detail(request, *args, **kwargs):
 
 
 # noinspection PyTypeChecker
-sitemap_detail.__doc__ = _(  # pyright: ignore[reportUnknownVariableType]
+sitemap_detail.__doc__ = _(  # ty:ignore[invalid-assignment]
     "Handles the detailed view response for a sitemap. "
     "This function processes the request, fetches the appropriate "
     "sitemap detail response, and sets the Content-Type header for XML."