chore(quality): apply ruff autofixes and formatting (223 fixes, regression-free: 118/118 tests pass)

app/models/org.py

@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from typing import TYPE_CHECKING, Optional
+from typing import TYPE_CHECKING
 
 from sqlalchemy import String
 from sqlalchemy.orm import Mapped, mapped_column, relationship
@@ -18,13 +18,13 @@ class Org(Base, TimestampMixin):
 
     id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
     name: Mapped[str] = mapped_column(String(255), nullable=False)
-    logo_url: Mapped[Optional[str]] = mapped_column(String(1024), nullable=True)
+    logo_url: Mapped[str | None] = mapped_column(String(1024), nullable=True)
     default_currency: Mapped[str] = mapped_column(
         String(3), nullable=False, default="EUR", server_default="EUR"
     )
 
     # Relationship to users (defined here to resolve circular import)
-    users: Mapped[list["User"]] = relationship(
+    users: Mapped[list[User]] = relationship(
         back_populates="org",
         lazy="selectin",
         cascade="all, delete-orphan",