chore: enhance comments

lrx_cli/authenticators/__init__.py

@@ -1,5 +1,6 @@
 """
 Author: Uyanide pywang0608@foxmail.com
+Date: 2026-04-06 08:21:01
 Description: Credential authenticators for third-party provider APIs
 """
 

lrx_cli/authenticators/base.py

@@ -1,7 +1,7 @@
 """
 Author: Uyanide pywang0608@foxmail.com
 Date: 2026-04-05 03:18:14
-Description: Base class for credential authenticators
+Description: Base class for credential authenticators.
 """
 
 from abc import ABC, abstractmethod

lrx_cli/authenticators/dummy.py

@@ -1,7 +1,7 @@
 """
 Author: Uyanide pywang0608@foxmail.com
 Date: 2026-04-05 03:36:44
-Description:
+Description: A dummy authenticator that does nothing and always reports as configured.
 """
 
 from .base import BaseAuthenticator

lrx_cli/authenticators/musixmatch.py

@@ -1,7 +1,7 @@
 """
 Author: Uyanide pywang0608@foxmail.com
 Date: 2026-04-05 03:27:56
-Description: Musixmatch authenticator — token management, 401 retry, and cooldown
+Description: Musixmatch authenticator — token management, 401 retry, and cooldown.
 """
 
 import time

lrx_cli/authenticators/qqmusic.py

@@ -1,7 +1,7 @@
 """
 Author: Uyanide pywang0608@foxmail.com
 Date: 2026-04-05 03:47:30
-Description: QQ Music API authenticator - currently only a proxy
+Description: QQ Music API authenticator - currently only a proxy.
 """
 
 from typing import Optional

lrx_cli/authenticators/spotify.py

@@ -1,7 +1,7 @@
 """
 Author: Uyanide pywang0608@foxmail.com
 Date: 2026-04-05 03:18:14
-Description: Spotify authenticator — TOTP-based access token via SP_DC cookie
+Description: Spotify authenticator — TOTP-based access token via SP_DC cookie.
 """
 
 import hashlib
@@ -134,9 +134,7 @@ class SpotifyAuthenticator(BaseAuthenticator):
             return db_token
 
         if not credentials.SPOTIFY_SP_DC:
-            logger.error(
-                "Spotify: settings.SPOTIFY_SP_DC env var not set — cannot authenticate"
-            )
+            logger.error("Spotify: SPOTIFY_SP_DC env var not set — cannot authenticate")
             return None
 
         headers = {