chore: enhance comments

lrx_cli/enrichers/audio_tag.py

@@ -1,7 +1,7 @@
 """
 Author: Uyanide pywang0608@foxmail.com
 Date: 2026-03-31 06:11:27
-Description: Enricher that reads metadata from audio file tags (mutagen)
+Description: Enricher that reads metadata from audio file tags.
 """
 
 from typing import Optional

lrx_cli/enrichers/base.py

@@ -1,7 +1,7 @@
 """
 Author: Uyanide pywang0608@foxmail.com
 Date: 2026-03-31 06:08:16
-Description: Base class for metadata enrichers
+Description: Base class for metadata enrichers.
 """
 
 from abc import ABC, abstractmethod

lrx_cli/enrichers/file_name.py

@@ -1,7 +1,7 @@
 """
 Author: Uyanide pywang0608@foxmail.com
 Date: 2026-03-31 06:08:44
-Description: Enricher that parses metadata from the audio file path
+Description: Enricher that parses metadata from the audio file path.
 """
 
 import re

lrx_cli/enrichers/musixmatch.py

@@ -1,7 +1,7 @@
 """
 Author: Uyanide pywang0608@foxmail.com
 Date: 2026-04-05 02:13:49
-Description: Musixmatch metadata enricher (matcher.track.get by Spotify track ID)
+Description: Musixmatch metadata enricher (matcher.track.get by Spotify track ID).
 """
 
 from typing import Optional