chore(quality): apply ruff autofixes and formatting (29 fixes, 41 files reformatted)

backend/app/schemas/role.py

@@ -5,6 +5,7 @@ from pydantic import BaseModel, Field
 
 class RoleCreateRequest(BaseModel):
     """Request body for creating a new role."""
+
     name: str = Field(..., min_length=2, max_length=100)
     description: str | None = None
     permissions: list[str] = Field(default_factory=list)
@@ -12,6 +13,7 @@ class RoleCreateRequest(BaseModel):
 
 class RoleUpdateRequest(BaseModel):
     """Request body for updating an existing role."""
+
     name: str | None = Field(None, min_length=2, max_length=100)
     description: str | None = None
     permissions: list[str] | None = None
@@ -19,6 +21,7 @@ class RoleUpdateRequest(BaseModel):
 
 class RoleResponse(BaseModel):
     """Public role representation."""
+
     id: str
     account_id: str
     name: str