merge: combine all features from both codebases - mobile dashboard + layer panel + notifications + shares + all fixes

backend/package.json

@@ -11,13 +11,14 @@
     "test": "vitest run"
   },
   "dependencies": {
-    "@fastify/cors": "^9.0.0",
-    "@fastify/static": "^7.0.0",
-    "@fastify/websocket": "^10.0.0",
+    "@fastify/cors": "^11.2.0",
+    "@fastify/static": "^9.1.3",
+    "@fastify/websocket": "^11.2.0",
     "bcrypt": "^6.0.0",
     "better-sqlite3": "^11.0.0",
-    "fastify": "^4.28.0",
+    "fastify": "^5.9.0",
     "y-leveldb": "^0.2.0",
+    "y-protocols": "^1.0.7",
     "yjs": "^13.6.0"
   },
   "devDependencies": {
@@ -26,6 +27,6 @@
     "@types/node": "^20.14.0",
     "tsx": "^4.16.0",
     "typescript": "^5.5.0",
-    "vitest": "^2.0.0"
+    "vitest": "^4.1.9"
   }
 }