diff --git a/backend/package.json b/backend/package.json
index acc373d..d83021b 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -47,7 +47,7 @@
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     "@types/swagger-jsdoc": "^6.0.4",
     "@types/swagger-ui-express": "^4.1.6",
-    "@vitest/coverage-v8": "^2.1.8",
+    "@vitest/coverage-v8": "^4.1.9",
     "eventsource": "^2.0.2",
     "nodemon": "^3.1.11",
     "prisma": "^7.8.0",
diff --git a/package-lock.json b/package-lock.json
index 4bacdac..c0c63b6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -56,7 +56,7 @@
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-        "@vitest/coverage-v8": "^2.1.8",
+        "@vitest/coverage-v8": "^4.1.9",
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@@ -251,18 +251,6 @@
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       "dev": true,
-      "license": "MIT"
+      "license": "MIT",
+      "engines": {
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     "node_modules/@colors/colors": {
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-      "dev": true,
-      "license": "ISC",
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-        "strip-ansi-cjs": "npm:strip-ansi@^6.0.1",
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-        "wrap-ansi-cjs": "npm:wrap-ansi@^7.0.0"
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-    "node_modules/@isaacs/cliui/node_modules/ansi-styles": {
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-      "dev": true,
-      "license": "MIT",
-      "engines": {
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-      },
-      "funding": {
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-    "node_modules/@isaacs/cliui/node_modules/string-width": {
-      "version": "5.1.2",
-      "dev": true,
-      "license": "MIT",
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-      "dev": true,
-      "license": "MIT",
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@@ -1892,15 +1818,6 @@
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-      "dev": true,
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@@ -3952,29 +3869,29 @@
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-        "@bcoe/v8-coverage": "^0.2.3",
-        "debug": "^4.3.7",
+        "@bcoe/v8-coverage": "^1.0.2",
+        "@vitest/utils": "4.1.9",
+        "ast-v8-to-istanbul": "^1.0.0",
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-        "magicast": "^0.3.5",
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-        "test-exclude": "^7.0.1",
-        "tinyrainbow": "^1.2.0"
+        "istanbul-reports": "^3.2.0",
+        "magicast": "^0.5.2",
+        "obug": "^2.1.1",
+        "std-env": "^4.0.0-rc.1",
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-        "@vitest/browser": "2.1.9",
-        "vitest": "2.1.9"
+        "@vitest/browser": "4.1.9",
+        "vitest": "4.1.9"
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@@ -3982,6 +3899,51 @@
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+      "resolved": "https://registry.npmjs.org/@vitest/pretty-format/-/pretty-format-4.1.9.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "tinyrainbow": "^3.1.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
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+    "node_modules/@vitest/coverage-v8/node_modules/@vitest/utils": {
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+      "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-4.1.9.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "@vitest/pretty-format": "4.1.9",
+        "convert-source-map": "^2.0.0",
+        "tinyrainbow": "^3.1.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      }
+    },
+    "node_modules/@vitest/coverage-v8/node_modules/std-env": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/std-env/-/std-env-4.1.0.tgz",
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+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/@vitest/coverage-v8/node_modules/tinyrainbow": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/tinyrainbow/-/tinyrainbow-3.1.0.tgz",
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@@ -4387,6 +4349,25 @@
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+    "node_modules/ast-v8-to-istanbul": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/ast-v8-to-istanbul/-/ast-v8-to-istanbul-1.0.4.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "@jridgewell/trace-mapping": "^0.3.31",
+        "estree-walker": "^3.0.3",
+        "js-tokens": "^10.0.0"
+      }
+    },
+    "node_modules/ast-v8-to-istanbul/node_modules/js-tokens": {
+      "version": "10.0.0",
+      "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-10.0.0.tgz",
+      "integrity": "sha512-lM/UBzQmfJRo9ABXbPWemivdCW8V2G8FHaHdypQaIy523snUjog0W71ayWXTjiR+ixeMyVHN2XcpnTd/liPg/Q==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/async": {
       "version": "3.2.6",
       "license": "MIT"
@@ -5421,11 +5402,6 @@
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-      "dev": true,
-      "license": "MIT"
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@@ -8061,19 +8037,6 @@
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@@ -8102,20 +8065,6 @@
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-      "dev": true,
-      "license": "BlueOak-1.0.0",
-      "dependencies": {
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@@ -8775,13 +8724,15 @@
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-      "version": "0.3.5",
+      "version": "0.5.3",
+      "resolved": "https://registry.npmjs.org/magicast/-/magicast-0.5.3.tgz",
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-        "@babel/types": "^7.25.4",
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+        "@babel/parser": "^7.29.3",
+        "@babel/types": "^7.29.0",
+        "source-map-js": "^1.2.1"
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@@ -9353,6 +9304,20 @@
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       }
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+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/obug/-/obug-2.1.3.tgz",
+      "integrity": "sha512-9miFgM2OFba7hB+pRgvtV84pYTBaoTHohvmIgiRt6dRIzbwEOIaNaP+dIlGs2fNFoB0SeISs0Jz5WFVRid6Xyg==",
+      "dev": true,
+      "funding": [
+        "https://github.com/sponsors/sxzz",
+        "https://opencollective.com/debug"
+      ],
+      "license": "MIT",
+      "engines": {
+        "node": ">=12.20.0"
+      }
+    },
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@@ -9520,26 +9485,6 @@
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-      },
-      "funding": {
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-      "dev": true,
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@@ -10927,52 +10872,6 @@
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-      "version": "4.2.3",
-      "dev": true,
-      "license": "MIT",
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-      "dev": true,
-      "license": "MIT",
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-      "dev": true,
-      "license": "MIT"
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@@ -11088,26 +10987,6 @@
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-      "dev": true,
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@@ -11303,98 +11182,6 @@
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@@ -12357,68 +12144,6 @@
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