feat: Refactor rides app with unique constraints, mixins, and enhanced documentation

- Added migration to convert unique_together constraints to UniqueConstraint for RideModel.
- Introduced RideFormMixin for handling entity suggestions in ride forms.
- Created comprehensive code standards documentation outlining formatting, docstring requirements, complexity guidelines, and testing requirements.
- Established error handling guidelines with a structured exception hierarchy and best practices for API and view error handling.
- Documented view pattern guidelines, emphasizing the use of CBVs, FBVs, and ViewSets with examples.
- Implemented a benchmarking script for query performance analysis and optimization.
- Developed security documentation detailing measures, configurations, and a security checklist.
- Compiled a database optimization guide covering indexing strategies, query optimization patterns, and computed fields.

backend/apps/parks/management/commands/create_sample_data.py

@@ -203,11 +203,12 @@ class Command(BaseCommand):
             )
 
     def create_parks(self):
-        """Create parks with proper operator relationships"""
+        """Create parks with proper operator relationships."""
         self.stdout.write("Creating parks...")
 
-        # TODO: Implement park creation - parks_data defined but not used yet
-        parks_data = [  # noqa: F841
+        # Park creation data - will be used to create parks in the database
+        # TODO(THRILLWIKI-111): Complete park creation implementation
+        parks_data = [
             {
                 "name": "Magic Kingdom",
                 "slug": "magic-kingdom",

backend/apps/parks/management/commands/seed_sample_data.py

@@ -194,10 +194,9 @@ class Command(BaseCommand):
         missing_tables = []
         for model in required_models:
             try:
-                # Check if the table exists by trying to get the table name
-                table_name = model._meta.db_table
-                with connection.cursor() as cursor:
-                    cursor.execute(f"SELECT 1 FROM {table_name} LIMIT 1")
+                # Security: Use Django ORM to check table existence instead of raw SQL
+                # This is safer as it avoids any potential SQL injection via model metadata
+                model.objects.exists()
             except Exception:
                 missing_tables.append(model._meta.label)