feat: successfully synced lyrics should never expire

lrcfetch/cli.py

@@ -12,7 +12,7 @@ from lrcfetch.mpris import get_current_track
 from lrcfetch.core import LrcManager
 
 app = typer.Typer(
-    help="LRCFetch — Fetch lyrics for tracks.",
+    help="LRCFetch — Fetch line-synced lyrics for your music player.",
     add_completion=False,
 )
 

lrcfetch/config.py

@@ -20,7 +20,7 @@ load_dotenv()              # .env in cwd (does NOT override existing vars)
 HTTP_TIMEOUT = 10.0
 
 # ─── Cache TTLs (seconds) ───────────────────────────────────────────
-TTL_SYNCED = 86400 * 30       # 30 days
+TTL_SYNCED = None             # never expires
 TTL_UNSYNCED = 86400           # 1 day
 TTL_NOT_FOUND = 86400 * 3     # 3 days
 TTL_NETWORK_ERROR = 3600       # 1 hour

lrcfetch/core.py

@@ -47,7 +47,7 @@ def _normalize_unsynced(lyrics: str) -> str:
 
 
 # Maps CacheStatus to the default TTL used when storing results
-_STATUS_TTL: dict[CacheStatus, int] = {
+_STATUS_TTL: dict[CacheStatus, Optional[int]] = {
     CacheStatus.SUCCESS_SYNCED: TTL_SYNCED,
     CacheStatus.SUCCESS_UNSYNCED: TTL_UNSYNCED,
     CacheStatus.NOT_FOUND: TTL_NOT_FOUND,