Add app auth, dashboard, scheduler, video management, and new scrapers

- JWT-based app authentication with user roles, folder/route access control
- Dashboard with storage stats, health checks, and recent activity
- Auto-download/scrape scheduler (12h interval) with per-user and per-job configs
- Video upload, tagging, HLS transcoding, and detail pages
- New scrapers: LeakGallery, Mega (megajs), yt-dlp
- FlareSolverr integration for Cloudflare-protected sites
- Gallery: advanced filtering (date, size, search), sort modes, equal-mix shuffle
- Forum sites management with stored cookies/auth
- GridWall/GridCell components for responsive media grid
- Media API with folder-access permissions

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

server/package.json

@@ -7,10 +7,15 @@
     "dev": "node --watch index.js"
   },
   "dependencies": {
+    "bcryptjs": "^3.0.3",
     "better-sqlite3": "^11.0.0",
     "cheerio": "^1.2.0",
+    "cookie-parser": "^1.4.7",
     "cors": "^2.8.5",
     "express": "^4.21.0",
+    "jsonwebtoken": "^9.0.3",
+    "megajs": "^1.3.9",
+    "multer": "^2.0.2",
     "node-fetch": "^3.3.2"
   }
 }