fix: add logging.basicConfig so errors appear in log

app.py

@@ -15,6 +15,11 @@ import dubbing
 from i18n import T, EXAMPLES, ALL_EXAMPLES_FLAT, TTS_LANGUAGES, MAX_TEXT_LEN, MAX_AUDIO_SEC
 from styles import THEME, CSS
 
+logging.basicConfig(
+    level=logging.INFO,
+    format="%(asctime)s %(levelname)s %(name)s: %(message)s",
+    stream=sys.stderr,
+)
 log = logging.getLogger(__name__)
 
 # ── Config ────────────────────────────────────────────────────────────────────