Fix ruff lint errors across codebase

- Auto-fix F401 (unused imports) and I001 (unsorted imports) with ruff --fix
- Manually fix E501 (line too long) in alembic migrations and src/ models
- Run ruff format to ensure consistent formatting

Co-Authored-By: Paperclip <noreply@paperclip.ing>

src/cartsnitch_api/auth/dependencies.py

@@ -5,7 +5,8 @@ Sessions are verified by querying the shared sessions table directly.
 """
 
 from datetime import UTC, datetime
-from fastapi import Cookie, Depends, Header, HTTPException, Request, status
+
+from fastapi import Depends, Header, HTTPException, Request, status
 from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
 from sqlalchemy import text
 from sqlalchemy.ext.asyncio import AsyncSession

src/cartsnitch_api/auth/routes.py

@@ -6,13 +6,10 @@ endpoints that query our own user data from the shared database.
 """
 
 from fastapi import APIRouter, Depends, HTTPException, status
-from pydantic import BaseModel
-from sqlalchemy import select
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from cartsnitch_api.auth.dependencies import get_current_user
 from cartsnitch_api.database import get_db
-from cartsnitch_api.models import User
 from cartsnitch_api.schemas import (
     UpdateUserRequest,
     UserResponse,

src/cartsnitch_api/main.py

@@ -6,10 +6,10 @@ from fastapi import APIRouter, FastAPI
 
 from cartsnitch_api.auth.routes import router as auth_router
 from cartsnitch_api.cache import cache_client
+from cartsnitch_api.middleware.audit import add_audit_middleware
 from cartsnitch_api.middleware.cors import add_cors_middleware
 from cartsnitch_api.middleware.error_handler import add_error_handlers, add_error_monitor_middleware
 from cartsnitch_api.middleware.rate_limit import add_rate_limit_middleware
-from cartsnitch_api.middleware.audit import add_audit_middleware
 from cartsnitch_api.routes.alerts import router as alerts_router
 from cartsnitch_api.routes.coupons import router as coupons_router
 from cartsnitch_api.routes.health import router as health_router
@@ -26,6 +26,7 @@ from cartsnitch_api.routes.user import router as user_router
 @asynccontextmanager
 async def lifespan(app: FastAPI):
     from cartsnitch_api.database import dispose_engine
+
     await cache_client.initialize()
     yield
     await cache_client.close()

src/cartsnitch_api/models/user.py

@@ -26,9 +26,7 @@ class User(TimestampMixin, Base):
     email: Mapped[str] = mapped_column(String(255), nullable=False, unique=True)
     hashed_password: Mapped[str | None] = mapped_column(String(255), nullable=True)
     display_name: Mapped[str | None] = mapped_column(String(100))
-    email_verified: Mapped[bool] = mapped_column(
-        Boolean, nullable=False, server_default="false"
-    )
+    email_verified: Mapped[bool] = mapped_column(Boolean, nullable=False, server_default="false")
     image: Mapped[str | None] = mapped_column(Text, nullable=True)
     email_inbound_token: Mapped[str] = mapped_column(
         String(22),
@@ -36,7 +34,8 @@ class User(TimestampMixin, Base):
         unique=True,
         default=lambda: secrets.token_urlsafe(16),
         server_default=sa.text(
-            "replace(replace(trim(trailing '=' from encode(gen_random_bytes(16), 'base64')), '+', '-'), '/', '_')"
+            "replace(replace(trim(trailing '=' from "
+            "encode(gen_random_bytes(16), 'base64')), '+', '-'), '/', '_')"
         ),
     )