- Default notificationType fallback changed from 'overlay' to 'osd'
- isVisibleOverlayContentReady guards on overlay visible + window ready
- All overlay hide paths dismiss loading OSD notification
- notifyConfiguredStatus falls back to desktop when overlay not ready
- anilist deps builder preserves undefined optional callbacks as undefined
- settingsEnumValues field added to ConfigOptionRegistryEntry
- Drop !important from z-index; lower yomitan popup z-index below notification stack