diff --git a/client/package.json b/client/package.json
index af36e69..e063978 100644
--- a/client/package.json
+++ b/client/package.json
@@ -46,7 +46,7 @@
     "@types/react": "^19.1.10",
     "@types/react-dom": "^19.1.7",
     "@vitejs/plugin-react": "^5.1.4",
-    "@vitest/browser": "^4.0.18",
+    "@vitest/browser": "^4.1.6",
     "jsdom": "^27.0.0",
     "typescript": "^5.9.3",
     "vite": "^7.1.2",
diff --git a/package-lock.json b/package-lock.json
index 64e34a5..07454aa 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -73,7 +73,7 @@
         "@types/react": "^19.1.10",
         "@types/react-dom": "^19.1.7",
         "@vitejs/plugin-react": "^5.1.4",
-        "@vitest/browser": "^4.0.18",
+        "@vitest/browser": "^4.1.6",
         "jsdom": "^27.0.0",
         "typescript": "^5.9.3",
         "vite": "^7.1.2",
@@ -634,6 +634,13 @@
         "node": ">=14.21.3"
       }
     },
+    "node_modules/@blazediff/core": {
+      "version": "1.9.1",
+      "resolved": "https://registry.npmjs.org/@blazediff/core/-/core-1.9.1.tgz",
+      "integrity": "sha512-ehg3jIkYKulZh+8om/O25vkvSsXXwC+skXmyA87FFx6A/45eqOkZsBltMw/TVteb0mloiGT8oGRTcjRAz66zaA==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@cspotcode/source-map-support": {
       "version": "0.8.1",
       "resolved": "https://registry.npmjs.org/@cspotcode/source-map-support/-/source-map-support-0.8.1.tgz",
@@ -2886,26 +2893,101 @@
       }
     },
     "node_modules/@vitest/browser": {
-      "version": "4.0.18",
-      "resolved": "https://registry.npmjs.org/@vitest/browser/-/browser-4.0.18.tgz",
-      "integrity": "sha512-gVQqh7paBz3gC+ZdcCmNSWJMk70IUjDeVqi+5m5vYpEHsIwRgw3Y545jljtajhkekIpIp5Gg8oK7bctgY0E2Ng==",
+      "version": "4.1.6",
+      "resolved": "https://registry.npmjs.org/@vitest/browser/-/browser-4.1.6.tgz",
+      "integrity": "sha512-ynsspTubXGSpa58JFJ24xIQt4z4A25epSbugEyaTmmrV1//Wec9EgE/LtoaC6yxUrXi5P7erGHRrkdZIHaVQuA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/mocker": "4.0.18",
-        "@vitest/utils": "4.0.18",
+        "@blazediff/core": "1.9.1",
+        "@vitest/mocker": "4.1.6",
+        "@vitest/utils": "4.1.6",
         "magic-string": "^0.30.21",
-        "pixelmatch": "7.1.0",
         "pngjs": "^7.0.0",
         "sirv": "^3.0.2",
-        "tinyrainbow": "^3.0.3",
-        "ws": "^8.18.3"
+        "tinyrainbow": "^3.1.0",
+        "ws": "^8.19.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      },
+      "peerDependencies": {
+        "vitest": "4.1.6"
+      }
+    },
+    "node_modules/@vitest/browser/node_modules/@vitest/mocker": {
+      "version": "4.1.6",
+      "resolved": "https://registry.npmjs.org/@vitest/mocker/-/mocker-4.1.6.tgz",
+      "integrity": "sha512-MCFc63czMjEInOlcY2cpQCvCN+KgbAn+60xu9cMgP4sKaLC5JNAKw7JH8QdAnoAC88hW1IiSNZ+GgVXlN1UcMQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@vitest/spy": "4.1.6",
+        "estree-walker": "^3.0.3",
+        "magic-string": "^0.30.21"
       },
       "funding": {
         "url": "https://opencollective.com/vitest"
       },
       "peerDependencies": {
-        "vitest": "4.0.18"
+        "msw": "^2.4.9",
+        "vite": "^6.0.0 || ^7.0.0 || ^8.0.0"
+      },
+      "peerDependenciesMeta": {
+        "msw": {
+          "optional": true
+        },
+        "vite": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@vitest/browser/node_modules/@vitest/pretty-format": {
+      "version": "4.1.6",
+      "resolved": "https://registry.npmjs.org/@vitest/pretty-format/-/pretty-format-4.1.6.tgz",
+      "integrity": "sha512-h5SxD/IzNhZYnrSZRsUZQIC+vD0GY8cUvq0iwsmkFKixRCKLLWqCXa/FIQ4S1R+sI+PGoojkHsdNrbZiM9Qpgw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "tinyrainbow": "^3.1.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      }
+    },
+    "node_modules/@vitest/browser/node_modules/@vitest/spy": {
+      "version": "4.1.6",
+      "resolved": "https://registry.npmjs.org/@vitest/spy/-/spy-4.1.6.tgz",
+      "integrity": "sha512-JFKxMx6udhwKh/Ldo270e17QX710vgunMkuPAvXjHSvC6oqLWAHhVhjg/I71q0u0CBSErIODV1Kjv0FQNSWjdg==",
+      "dev": true,
+      "license": "MIT",
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      }
+    },
+    "node_modules/@vitest/browser/node_modules/@vitest/utils": {
+      "version": "4.1.6",
+      "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-4.1.6.tgz",
+      "integrity": "sha512-FxIY+U81R3LGKCxaHHFRQ5+g6/iRgGLmeHWdp2Amj4ljQRrEIWHmZyDfDYBRZlpyqA7qKxtS9DD1dhk8RnRIVQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@vitest/pretty-format": "4.1.6",
+        "convert-source-map": "^2.0.0",
+        "tinyrainbow": "^3.1.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      }
+    },
+    "node_modules/@vitest/browser/node_modules/estree-walker": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-3.0.3.tgz",
+      "integrity": "sha512-7RUKfXgSMMkzt6ZuXmqapOurLGPPfgj6l9uRZ7lRGolvk0y2yocc35LdcxKC5PQZdn2DMqioAQ2NoWcrTKmm6g==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/estree": "^1.0.0"
       }
     },
     "node_modules/@vitest/expect": {
@@ -7100,19 +7182,6 @@
         "url": "https://github.com/sponsors/jonschlinkert"
       }
     },
-    "node_modules/pixelmatch": {
-      "version": "7.1.0",
-      "resolved": "https://registry.npmjs.org/pixelmatch/-/pixelmatch-7.1.0.tgz",
-      "integrity": "sha512-1wrVzJ2STrpmONHKBy228LM1b84msXDUoAzVEl0R8Mz4Ce6EPr+IVtxm8+yvrqLYMHswREkjYFaMxnyGnaY3Ng==",
-      "dev": true,
-      "license": "ISC",
-      "dependencies": {
-        "pngjs": "^7.0.0"
-      },
-      "bin": {
-        "pixelmatch": "bin/pixelmatch"
-      }
-    },
     "node_modules/pkg-types": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/pkg-types/-/pkg-types-2.3.0.tgz",
@@ -8486,9 +8555,9 @@
       }
     },
     "node_modules/tinyrainbow": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/tinyrainbow/-/tinyrainbow-3.0.3.tgz",
-      "integrity": "sha512-PSkbLUoxOFRzJYjjxHJt9xro7D+iilgMX/C9lawzVuYiIdcihh9DXmVibBe8lmcFrRi/VzlPjBxbN7rH24q8/Q==",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/tinyrainbow/-/tinyrainbow-3.1.0.tgz",
+      "integrity": "sha512-Bf+ILmBgretUrdJxzXM0SgXLZ3XfiaUuOj/IKQHuTXip+05Xn+uyEYdVg0kYDipTBcLrCVyUzAPz7QmArb0mmw==",
       "dev": true,
       "license": "MIT",
       "engines": {