fix(lint): auto-fix ruff violations and tune lint rules

- Auto-fixed 4,496 lint issues (import sorting, modern syntax, etc.)
- Added ignore rules for patterns intentional in this codebase:
  E402 (late imports), E712 (SQLAlchemy filters), B904 (raise from),
  SIM108/SIM105/SIM117 (readability preferences)
- Added per-file ignores for tests and scripts
- Excluded broken scripts/rename_terminology.py (has curly quotes)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

scripts/create_dummy_letzshop_order.py

@@ -15,16 +15,15 @@ import argparse
 import random
 import string
 import sys
-from datetime import datetime, timedelta, timezone
+from datetime import UTC, datetime, timedelta
 from pathlib import Path
 
 # Add project root to path
 sys.path.insert(0, str(Path(__file__).parent.parent))
 
 from app.core.database import SessionLocal
-from app.utils.money import cents_to_euros, euros_to_cents
-from app.modules.orders.models import Order, OrderItem
 from app.modules.catalog.models import Product
+from app.modules.orders.models import Order, OrderItem
 from app.modules.tenancy.models import Store
 
 
@@ -41,7 +40,7 @@ def generate_shipment_number():
 def generate_hash_id():
     """Generate a realistic hash ID like nvDv5RQEmCwbjo."""
     chars = string.ascii_letters + string.digits
-    return ''.join(random.choice(chars) for _ in range(14))
+    return "".join(random.choice(chars) for _ in range(14))
 
 
 def create_dummy_order(
@@ -97,7 +96,7 @@ def create_dummy_order(
     order_number = generate_order_number()
     shipment_number = generate_shipment_number()
     hash_id = generate_hash_id()
-    order_date = datetime.now(timezone.utc) - timedelta(days=random.randint(0, 7))
+    order_date = datetime.now(UTC) - timedelta(days=random.randint(0, 7))
 
     # Customer data
     first_names = ["Jean", "Marie", "Pierre", "Sophie", "Michel", "Anne", "Thomas", "Claire"]
@@ -180,7 +179,7 @@ def create_dummy_order(
     db.flush()
 
     # Create order items with prices in cents
-    for i, product in enumerate(products[:items_count]):
+    for _i, product in enumerate(products[:items_count]):
         quantity = random.randint(1, 3)
         unit_price_cents = product.price_cents or 0
         product_name = product.get_title("en") or f"Product {product.id}"