diff --git a/backend/package-lock.json b/backend/package-lock.json
index b5564b7..cdbe29e 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -19,7 +19,7 @@
       "devDependencies": {
         "@eslint-community/eslint-plugin-eslint-comments": "^4.5.0",
         "@typescript-eslint/eslint-plugin": "^5.62.0",
-        "@typescript-eslint/parser": "^5.62.0",
+        "@typescript-eslint/parser": "^8.48.1",
         "eslint": "^8.24.0",
         "eslint-config-prettier": "^10.1.8",
         "eslint-config-standard": "^17.1.0",
@@ -760,6 +760,7 @@
       "integrity": "sha512-UlLAnTPrFdNGoFtbSXwcGFQBtQZJCNjaN6hQNP3UPvuNXT1i82N26KL3dZeIpNalWywr9IuQuncaAfUaS1g6sQ==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@ampproject/remapping": "^2.2.0",
         "@babel/code-frame": "^7.27.1",
@@ -2695,7 +2696,8 @@
       "version": "0.34.28",
       "resolved": "https://registry.npmjs.org/@sinclair/typebox/-/typebox-0.34.28.tgz",
       "integrity": "sha512-e2B9vmvaa5ym5hWgCHw5CstP54au6AOLXrhZErLsOyyRzuWJtXl/8TszKtc5x8rw/b+oY7HKS9m9iRI53RK0WQ==",
-      "license": "MIT"
+      "license": "MIT",
+      "peer": true
     },
     "node_modules/@sinonjs/commons": {
       "version": "3.0.1",
@@ -3480,31 +3482,182 @@
       }
     },
     "node_modules/@typescript-eslint/parser": {
-      "version": "5.62.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-5.62.0.tgz",
-      "integrity": "sha512-VlJEV0fOQ7BExOsHYAGrgbEiZoi8D+Bl2+f6V2RrXerRSylnp+ZBHmPvaIa8cz0Ajx7WO7Z5RqfgYg7ED1nRhA==",
+      "version": "8.48.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-8.48.1.tgz",
+      "integrity": "sha512-PC0PDZfJg8sP7cmKe6L3QIL8GZwU5aRvUFedqSIpw3B+QjRSUZeeITC2M5XKeMXEzL6wccN196iy3JLwKNvDVA==",
       "dev": true,
-      "license": "BSD-2-Clause",
+      "license": "MIT",
+      "peer": true,
       "dependencies": {
-        "@typescript-eslint/scope-manager": "5.62.0",
-        "@typescript-eslint/types": "5.62.0",
-        "@typescript-eslint/typescript-estree": "5.62.0",
+        "@typescript-eslint/scope-manager": "8.48.1",
+        "@typescript-eslint/types": "8.48.1",
+        "@typescript-eslint/typescript-estree": "8.48.1",
+        "@typescript-eslint/visitor-keys": "8.48.1",
         "debug": "^4.3.4"
       },
       "engines": {
-        "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
       },
       "funding": {
         "type": "opencollective",
         "url": "https://opencollective.com/typescript-eslint"
       },
       "peerDependencies": {
-        "eslint": "^6.0.0 || ^7.0.0 || ^8.0.0"
+        "eslint": "^8.57.0 || ^9.0.0",
+        "typescript": ">=4.8.4 <6.0.0"
+      }
+    },
+    "node_modules/@typescript-eslint/parser/node_modules/@typescript-eslint/scope-manager": {
+      "version": "8.48.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-8.48.1.tgz",
+      "integrity": "sha512-rj4vWQsytQbLxC5Bf4XwZ0/CKd362DkWMUkviT7DCS057SK64D5lH74sSGzhI6PDD2HCEq02xAP9cX68dYyg1w==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@typescript-eslint/types": "8.48.1",
+        "@typescript-eslint/visitor-keys": "8.48.1"
       },
-      "peerDependenciesMeta": {
-        "typescript": {
-          "optional": true
-        }
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      }
+    },
+    "node_modules/@typescript-eslint/parser/node_modules/@typescript-eslint/types": {
+      "version": "8.48.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-8.48.1.tgz",
+      "integrity": "sha512-+fZ3LZNeiELGmimrujsDCT4CRIbq5oXdHe7chLiW8qzqyPMnn1puNstCrMNVAqwcl2FdIxkuJ4tOs/RFDBVc/Q==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      }
+    },
+    "node_modules/@typescript-eslint/parser/node_modules/@typescript-eslint/typescript-estree": {
+      "version": "8.48.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-8.48.1.tgz",
+      "integrity": "sha512-/9wQ4PqaefTK6POVTjJaYS0bynCgzh6ClJHGSBj06XEHjkfylzB+A3qvyaXnErEZSaxhIo4YdyBgq6j4RysxDg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@typescript-eslint/project-service": "8.48.1",
+        "@typescript-eslint/tsconfig-utils": "8.48.1",
+        "@typescript-eslint/types": "8.48.1",
+        "@typescript-eslint/visitor-keys": "8.48.1",
+        "debug": "^4.3.4",
+        "minimatch": "^9.0.4",
+        "semver": "^7.6.0",
+        "tinyglobby": "^0.2.15",
+        "ts-api-utils": "^2.1.0"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependencies": {
+        "typescript": ">=4.8.4 <6.0.0"
+      }
+    },
+    "node_modules/@typescript-eslint/parser/node_modules/@typescript-eslint/visitor-keys": {
+      "version": "8.48.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-8.48.1.tgz",
+      "integrity": "sha512-BmxxndzEWhE4TIEEMBs8lP3MBWN3jFPs/p6gPm/wkv02o41hI6cq9AuSmGAaTTHPtA1FTi2jBre4A9rm5ZmX+Q==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@typescript-eslint/types": "8.48.1",
+        "eslint-visitor-keys": "^4.2.1"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      }
+    },
+    "node_modules/@typescript-eslint/parser/node_modules/brace-expansion": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.2.tgz",
+      "integrity": "sha512-Jt0vHyM+jmUBqojB7E1NIYadt0vI0Qxjxd2TErW94wDz+E2LAm5vKMXXwg6ZZBTHPuUlDgQHKXvjGBdfcF1ZDQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "balanced-match": "^1.0.0"
+      }
+    },
+    "node_modules/@typescript-eslint/parser/node_modules/eslint-visitor-keys": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-4.2.1.tgz",
+      "integrity": "sha512-Uhdk5sfqcee/9H/rCOJikYz67o0a2Tw2hGRPOG2Y1R2dg7brRe1uG0yaNQDHu+TO/uQPF/5eCapvYSmHUjt7JQ==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/eslint"
+      }
+    },
+    "node_modules/@typescript-eslint/parser/node_modules/minimatch": {
+      "version": "9.0.5",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-9.0.5.tgz",
+      "integrity": "sha512-G6T0ZX48xgozx7587koeX9Ys2NYy6Gmv//P89sEte9V9whIapMNF4idKxnW2QtCcLiTWlb/wfCabAtAFWhhBow==",
+      "dev": true,
+      "license": "ISC",
+      "dependencies": {
+        "brace-expansion": "^2.0.1"
+      },
+      "engines": {
+        "node": ">=16 || 14 >=14.17"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/isaacs"
+      }
+    },
+    "node_modules/@typescript-eslint/project-service": {
+      "version": "8.48.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/project-service/-/project-service-8.48.1.tgz",
+      "integrity": "sha512-HQWSicah4s9z2/HifRPQ6b6R7G+SBx64JlFQpgSSHWPKdvCZX57XCbszg/bapbRsOEv42q5tayTYcEFpACcX1w==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@typescript-eslint/tsconfig-utils": "^8.48.1",
+        "@typescript-eslint/types": "^8.48.1",
+        "debug": "^4.3.4"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependencies": {
+        "typescript": ">=4.8.4 <6.0.0"
+      }
+    },
+    "node_modules/@typescript-eslint/project-service/node_modules/@typescript-eslint/types": {
+      "version": "8.48.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-8.48.1.tgz",
+      "integrity": "sha512-+fZ3LZNeiELGmimrujsDCT4CRIbq5oXdHe7chLiW8qzqyPMnn1puNstCrMNVAqwcl2FdIxkuJ4tOs/RFDBVc/Q==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
       }
     },
     "node_modules/@typescript-eslint/scope-manager": {
@@ -3525,6 +3678,23 @@
         "url": "https://opencollective.com/typescript-eslint"
       }
     },
+    "node_modules/@typescript-eslint/tsconfig-utils": {
+      "version": "8.48.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/tsconfig-utils/-/tsconfig-utils-8.48.1.tgz",
+      "integrity": "sha512-k0Jhs4CpEffIBm6wPaCXBAD7jxBtrHjrSgtfCjUvPp9AZ78lXKdTR8fxyZO5y4vWNlOvYXRtngSZNSn+H53Jkw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependencies": {
+        "typescript": ">=4.8.4 <6.0.0"
+      }
+    },
     "node_modules/@typescript-eslint/type-utils": {
       "version": "5.62.0",
       "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-5.62.0.tgz",
@@ -3928,6 +4098,7 @@
       "integrity": "sha512-cl669nCJTZBsL97OF4kUQm5g5hC2uihk0NxY3WENAC0TYdILVkAyHymAntgxGkl7K+t0cXIrH5siy5S4XkFycA==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -4385,6 +4556,7 @@
         }
       ],
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "caniuse-lite": "^1.0.30001726",
         "electron-to-chromium": "^1.5.173",
@@ -5153,6 +5325,7 @@
       "deprecated": "This version is no longer supported. Please see https://eslint.org/version-support for other options.",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.2.0",
         "@eslint-community/regexpp": "^4.6.1",
@@ -5225,6 +5398,7 @@
       "integrity": "sha512-82GZUjRS0p/jganf6q1rEO25VSoHH0hKPCTrgillPjdI/3bgBhAE1QzHrHTizjpRvy6pGAvKjDJtk2pF9NDq8w==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "bin": {
         "eslint-config-prettier": "bin/cli.js"
       },
@@ -5403,6 +5577,7 @@
       "integrity": "sha512-whOE1HFo/qJDyX4SnXzP4N6zOWn79WhnCUY/iDR0mPfQZO8wcYE4JClzI2oZrhBnnMUCBCHZhO6VQyoBU95mZA==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@rtsao/scc": "^1.1.0",
         "array-includes": "^3.1.9",
@@ -5484,6 +5659,7 @@
       "integrity": "sha512-6TyDmZ1HXoFQXnhCTUjVFULReoBPOAjpuiKELMkeP40yffI/1ZRO+d9ug/VC6fqISo2WkuIBk3cvuRPALaWlOQ==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.4.0",
         "builtins": "^5.0.1",
@@ -5554,6 +5730,7 @@
       "integrity": "sha512-57Zzfw8G6+Gq7axm2Pdo3gW/Rx3h9Yywgn61uE/3elTCOePEHVrn2i5CdfBwA1BLK0Q0WqctICIUSqXZW/VprQ==",
       "dev": true,
       "license": "ISC",
+      "peer": true,
       "engines": {
         "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
       },
@@ -7245,6 +7422,7 @@
       "integrity": "sha512-F26gjC0yWN8uAA5m5Ss8ZQf5nDHWGlN/xWZIh8S5SRbsEKBovwZhxGd6LJlbZYxBgCYOtreSUyb8hpXyGC5O4A==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@jest/core": "30.2.0",
         "@jest/types": "30.2.0",
@@ -9807,14 +9985,14 @@
       }
     },
     "node_modules/tinyglobby": {
-      "version": "0.2.14",
-      "resolved": "https://registry.npmjs.org/tinyglobby/-/tinyglobby-0.2.14.tgz",
-      "integrity": "sha512-tX5e7OM1HnYr2+a2C/4V0htOcSQcoSTH9KgJnVvNm5zm/cyEWKJ7j7YutsH9CxMdtOkkLFy2AHrMci9IM8IPZQ==",
+      "version": "0.2.15",
+      "resolved": "https://registry.npmjs.org/tinyglobby/-/tinyglobby-0.2.15.tgz",
+      "integrity": "sha512-j2Zq4NyQYG5XMST4cbs02Ak8iJUdxRM0XI5QyxXuZOzKOINmWurp3smXu3y5wDcJrptwpSjgXHzIQxR0omXljQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "fdir": "^6.4.4",
-        "picomatch": "^4.0.2"
+        "fdir": "^6.5.0",
+        "picomatch": "^4.0.3"
       },
       "engines": {
         "node": ">=12.0.0"
@@ -9824,11 +10002,14 @@
       }
     },
     "node_modules/tinyglobby/node_modules/fdir": {
-      "version": "6.4.6",
-      "resolved": "https://registry.npmjs.org/fdir/-/fdir-6.4.6.tgz",
-      "integrity": "sha512-hiFoqpyZcfNm1yc4u8oWCf9A2c4D3QjCrks3zmoVKVxpQRzmPNar1hUJcBG2RQHvEVGDN+Jm81ZheVLAQMK6+w==",
+      "version": "6.5.0",
+      "resolved": "https://registry.npmjs.org/fdir/-/fdir-6.5.0.tgz",
+      "integrity": "sha512-tIbYtZbucOs0BRGqPJkshJUYdL+SDH7dVM8gjy+ERp3WAUjLEFJE+02kanyHtwjWOnwrKYBiwAmM0p4kLJAnXg==",
       "dev": true,
       "license": "MIT",
+      "engines": {
+        "node": ">=12.0.0"
+      },
       "peerDependencies": {
         "picomatch": "^3 || ^4"
       },
@@ -9844,6 +10025,7 @@
       "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -9879,6 +10061,19 @@
         "node": ">=12"
       }
     },
+    "node_modules/ts-api-utils": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/ts-api-utils/-/ts-api-utils-2.1.0.tgz",
+      "integrity": "sha512-CUgTZL1irw8u29bzrOD/nH85jqyc74D6SshFgujOIA7osm2Rz7dYH77agkx7H4FBNxDq7Cjf+IjaX/8zwFW+ZQ==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=18.12"
+      },
+      "peerDependencies": {
+        "typescript": ">=4.8.4"
+      }
+    },
     "node_modules/ts-dotenv": {
       "version": "0.9.1",
       "resolved": "https://registry.npmjs.org/ts-dotenv/-/ts-dotenv-0.9.1.tgz",
@@ -10146,6 +10341,7 @@
       "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
       "license": "Apache-2.0",
+      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
@@ -10200,6 +10396,7 @@
       "dev": true,
       "hasInstallScript": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "napi-postinstall": "^0.3.0"
       },
diff --git a/backend/package.json b/backend/package.json
index c89d8e4..29ef43f 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -21,7 +21,7 @@
   "devDependencies": {
     "@eslint-community/eslint-plugin-eslint-comments": "^4.5.0",
     "@typescript-eslint/eslint-plugin": "^5.62.0",
-    "@typescript-eslint/parser": "^5.62.0",
+    "@typescript-eslint/parser": "^8.48.1",
     "eslint": "^8.24.0",
     "eslint-config-prettier": "^10.1.8",
     "eslint-config-standard": "^17.1.0",