refactor: streamline RSVP reader for The Well of Ascension single-book focus

- Clean up legacy multi-format/CJK modules (orp, epub, samples, modals)
- Replace with lightweight pure English tokenizer and chunking engine
- Add SettingsDrawer, auto-hiding HUD, and PWA icons
- Update manifest and touch icons

Co-Authored-By: Claude Code <noreply@anthropic.com>

package.json

@@ -10,14 +10,12 @@
     "preview": "vite preview"
   },
   "dependencies": {
-    "jszip": "^3.10.2",
     "lucide-react": "^1.59.0",
     "react": "^19.3.1",
     "react-dom": "^19.3.1"
   },
   "devDependencies": {
     "@tailwindcss/vite": "^4.3.3",
-    "@types/jszip": "^3.4.1",
     "@types/node": "^24.19.2",
     "@types/react": "^19.3.0",
     "@types/react-dom": "^19.3.0",