chore: sync all remaining changes

- Remove android build directory (moved to CI)
- Update package dependencies
- Misc server and client improvements

server/package-lock.json

@@ -10,6 +10,7 @@
 			"dependencies": {
 				"@fastify/cors": "^11.2.0",
 				"@fastify/jwt": "^10.0.0",
+				"@fastify/rate-limit": "^10.3.0",
 				"cors": "^2.8.5",
 				"fastify": "^5.6.2",
 				"fastify-cors": "^6.0.3",
@@ -677,6 +678,27 @@
 				"ipaddr.js": "^2.1.0"
 			}
 		},
+		"node_modules/@fastify/rate-limit": {
+			"version": "10.3.0",
+			"resolved": "https://registry.npmjs.org/@fastify/rate-limit/-/rate-limit-10.3.0.tgz",
+			"integrity": "sha512-eIGkG9XKQs0nyynatApA3EVrojHOuq4l6fhB4eeCk4PIOeadvOJz9/4w3vGI44Go17uaXOWEcPkaD8kuKm7g6Q==",
+			"funding": [
+				{
+					"type": "github",
+					"url": "https://github.com/sponsors/fastify"
+				},
+				{
+					"type": "opencollective",
+					"url": "https://opencollective.com/fastify"
+				}
+			],
+			"license": "MIT",
+			"dependencies": {
+				"@lukeed/ms": "^2.0.2",
+				"fastify-plugin": "^5.0.0",
+				"toad-cache": "^3.7.0"
+			}
+		},
 		"node_modules/@jridgewell/resolve-uri": {
 			"version": "3.1.2",
 			"resolved": "https://registry.npmjs.org/@jridgewell/resolve-uri/-/resolve-uri-3.1.2.tgz",