Fix/pylint cleanup (#8)

* Fix pylint warnings across all 24 Python files in web_server

- Add module, class, and function docstrings (C0114, C0115, C0116)
- Fix import ordering: stdlib before third-party before local (C0411)
- Replace wildcard imports with explicit named imports (W0401)
- Remove trailing whitespace and add missing final newlines (C0303, C0304)
- Replace dict() with dict literals (R1735)
- Remove unused imports and variables (W0611, W0612)
- Narrow broad Exception catches to specific exceptions (W0718)
- Replace f-string logging with lazy % formatting (W1203)
- Fix variable naming: UPPER_CASE for constants, snake_case for locals (C0103)
- Add pylint disable comments for necessary global statements (W0603)
- Fix no-else-return, simplifiable-if-expression, singleton-comparison
- Fix bad indentation in stripe.py (W0311)
- Add encoding="utf-8" to open() calls (W1514)
- Add check=True to subprocess.run() calls (W1510)
- Register Celery task modules via conf.include

* Update `package-lock.json` add peer dependencies

web_server/utils/auth.py

@@ -1,13 +1,17 @@
+"""Token generation and verification for password resets."""
+
+from typing import Optional
+from os import getenv
+
 from database.database import Database
 from itsdangerous import URLSafeTimedSerializer, BadSignature, SignatureExpired
-from typing import Optional
 from dotenv import load_dotenv
-from os import getenv
 from werkzeug.security import generate_password_hash
 
 load_dotenv()
 
 serializer = URLSafeTimedSerializer(getenv("AUTH_SECRET_KEY"))
+
 def generate_token(email, salt_value) -> str:
     """
     Creates a token for password reset
@@ -19,7 +23,6 @@ def verify_token(token: str, salt_value) -> Optional[str]:
     """
     Given a token, verifies and decodes it into an email
     """
-    
     try:
         email = serializer.loads(token, salt=salt_value, max_age=3600)
         return email
@@ -38,7 +41,7 @@ def reset_password(new_password: str, email: str):
     """
     with Database() as db:
         db.execute("""
-            UPDATE users 
-            SET password = ? 
+            UPDATE users
+            SET password = ?
             WHERE email = ?
         """, (generate_password_hash(new_password), email))