v3.23 - Major update with AI Organizer

NEW: AI Organizer with 3 modes (Bring Your Own Key)
- Smart Organize: AI sorts loose bookmarks into existing or new folders
- Re-organize: scans filed bookmarks in batches (up to 800) and proposes better placements
- Folder cleanup: AI proposes merging, renaming, splitting, or deleting folders

NEW: Permanently exclude bookmarks from AI suggestions (toolbar shortcuts).
NEW: Top Visited Domains widget on the Stats Dashboard (browser history aggregate).
NEW: Parent folder shown next to each bookmark in Stats lists.

FIXED: Backup/export now correctly includes ALL subfolder nesting.
FIXED: Search results jump directly to the target folder.
FIXED: Default theme is light mode regardless of system preference.

POLISH: Dark mode improvements across the entire UI.

Supported AI providers: Anthropic Claude, OpenAI, Google Gemini (free tier).
All AI features are opt-in. Your bookmark data never leaves your device unless you trigger an AI action and confirm a preview.