changes to task scheduling and readability change on downloads view

backend/app/models/setting.py

@@ -40,7 +40,7 @@ DEFAULT_SETTINGS = {
     "download.parallel_limit": 3,
     "download.rate_limit": 3.0,
     "download.retry_count": 3,
-    "download.schedule_interval": 3600,
+    "download.schedule_interval": 28800,  # 8 hours
     "notification.enabled": False,
     "notification.webhook_url": None,
 }

backend/app/models/source.py

@@ -28,7 +28,7 @@ class Source(Base, TimestampMixin):
     platform: Mapped[str] = mapped_column(String(50), nullable=False, index=True)
     url: Mapped[str] = mapped_column(Text, nullable=False)
     enabled: Mapped[bool] = mapped_column(Boolean, default=True)
-    check_interval: Mapped[int] = mapped_column(Integer, default=3600)  # seconds
+    check_interval: Mapped[int] = mapped_column(Integer, default=28800)  # 8 hours in seconds
 
     # Status tracking
     last_check: Mapped[Optional[datetime]] = mapped_column(nullable=True)