diff --git a/backend/package-lock.json b/backend/package-lock.json
index 0b2b5ff..5e7a0cb 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -7,7 +7,7 @@
     "": {
       "name": "backend",
       "version": "1.0.0",
-      "license": "ISC",
+      "license": "Apache-2.0",
       "dependencies": {
         "@anthropic-ai/claude-code": "^1.0.110",
         "@anthropic-ai/sdk": "^0.61.0",
@@ -31,7 +31,11 @@
         "globals": "^16.4.0",
         "ts-node-dev": "^2.0.0",
         "typescript": "^5.9.2",
-        "typescript-eslint": "^8.43.0"
+        "typescript-eslint": "^8.46.1"
+      },
+      "engines": {
+        "node": ">=18.0.0",
+        "npm": ">=8.0.0"
       }
     },
     "node_modules/@anthropic-ai/claude-code": {
@@ -800,17 +804,17 @@
       }
     },
     "node_modules/@typescript-eslint/eslint-plugin": {
-      "version": "8.43.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.43.0.tgz",
-      "integrity": "sha512-8tg+gt7ENL7KewsKMKDHXR1vm8tt9eMxjJBYINf6swonlWgkYn5NwyIgXpbbDxTNU5DgpDFfj95prcTq2clIQQ==",
+      "version": "8.46.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.46.1.tgz",
+      "integrity": "sha512-rUsLh8PXmBjdiPY+Emjz9NX2yHvhS11v0SR6xNJkm5GM1MO9ea/1GoDKlHHZGrOJclL/cZ2i/vRUYVtjRhrHVQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@eslint-community/regexpp": "^4.10.0",
-        "@typescript-eslint/scope-manager": "8.43.0",
-        "@typescript-eslint/type-utils": "8.43.0",
-        "@typescript-eslint/utils": "8.43.0",
-        "@typescript-eslint/visitor-keys": "8.43.0",
+        "@typescript-eslint/scope-manager": "8.46.1",
+        "@typescript-eslint/type-utils": "8.46.1",
+        "@typescript-eslint/utils": "8.46.1",
+        "@typescript-eslint/visitor-keys": "8.46.1",
         "graphemer": "^1.4.0",
         "ignore": "^7.0.0",
         "natural-compare": "^1.4.0",
@@ -824,7 +828,7 @@
         "url": "https://opencollective.com/typescript-eslint"
       },
       "peerDependencies": {
-        "@typescript-eslint/parser": "^8.43.0",
+        "@typescript-eslint/parser": "^8.46.1",
         "eslint": "^8.57.0 || ^9.0.0",
         "typescript": ">=4.8.4 <6.0.0"
       }
@@ -840,16 +844,16 @@
       }
     },
     "node_modules/@typescript-eslint/parser": {
-      "version": "8.43.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-8.43.0.tgz",
-      "integrity": "sha512-B7RIQiTsCBBmY+yW4+ILd6mF5h1FUwJsVvpqkrgpszYifetQ2Ke+Z4u6aZh0CblkUGIdR59iYVyXqqZGkZ3aBw==",
+      "version": "8.46.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-8.46.1.tgz",
+      "integrity": "sha512-6JSSaBZmsKvEkbRUkf7Zj7dru/8ZCrJxAqArcLaVMee5907JdtEbKGsZ7zNiIm/UAkpGUkaSMZEXShnN2D1HZA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/scope-manager": "8.43.0",
-        "@typescript-eslint/types": "8.43.0",
-        "@typescript-eslint/typescript-estree": "8.43.0",
-        "@typescript-eslint/visitor-keys": "8.43.0",
+        "@typescript-eslint/scope-manager": "8.46.1",
+        "@typescript-eslint/types": "8.46.1",
+        "@typescript-eslint/typescript-estree": "8.46.1",
+        "@typescript-eslint/visitor-keys": "8.46.1",
         "debug": "^4.3.4"
       },
       "engines": {
@@ -865,14 +869,14 @@
       }
     },
     "node_modules/@typescript-eslint/project-service": {
-      "version": "8.43.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/project-service/-/project-service-8.43.0.tgz",
-      "integrity": "sha512-htB/+D/BIGoNTQYffZw4uM4NzzuolCoaA/BusuSIcC8YjmBYQioew5VUZAYdAETPjeed0hqCaW7EHg+Robq8uw==",
+      "version": "8.46.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/project-service/-/project-service-8.46.1.tgz",
+      "integrity": "sha512-FOIaFVMHzRskXr5J4Jp8lFVV0gz5ngv3RHmn+E4HYxSJ3DgDzU7fVI1/M7Ijh1zf6S7HIoaIOtln1H5y8V+9Zg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/tsconfig-utils": "^8.43.0",
-        "@typescript-eslint/types": "^8.43.0",
+        "@typescript-eslint/tsconfig-utils": "^8.46.1",
+        "@typescript-eslint/types": "^8.46.1",
         "debug": "^4.3.4"
       },
       "engines": {
@@ -887,14 +891,14 @@
       }
     },
     "node_modules/@typescript-eslint/scope-manager": {
-      "version": "8.43.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-8.43.0.tgz",
-      "integrity": "sha512-daSWlQ87ZhsjrbMLvpuuMAt3y4ba57AuvadcR7f3nl8eS3BjRc8L9VLxFLk92RL5xdXOg6IQ+qKjjqNEimGuAg==",
+      "version": "8.46.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-8.46.1.tgz",
+      "integrity": "sha512-weL9Gg3/5F0pVQKiF8eOXFZp8emqWzZsOJuWRUNtHT+UNV2xSJegmpCNQHy37aEQIbToTq7RHKhWvOsmbM680A==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/types": "8.43.0",
-        "@typescript-eslint/visitor-keys": "8.43.0"
+        "@typescript-eslint/types": "8.46.1",
+        "@typescript-eslint/visitor-keys": "8.46.1"
       },
       "engines": {
         "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
@@ -905,9 +909,9 @@
       }
     },
     "node_modules/@typescript-eslint/tsconfig-utils": {
-      "version": "8.43.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/tsconfig-utils/-/tsconfig-utils-8.43.0.tgz",
-      "integrity": "sha512-ALC2prjZcj2YqqL5X/bwWQmHA2em6/94GcbB/KKu5SX3EBDOsqztmmX1kMkvAJHzxk7TazKzJfFiEIagNV3qEA==",
+      "version": "8.46.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/tsconfig-utils/-/tsconfig-utils-8.46.1.tgz",
+      "integrity": "sha512-X88+J/CwFvlJB+mK09VFqx5FE4H5cXD+H/Bdza2aEWkSb8hnWIQorNcscRl4IEo1Cz9VI/+/r/jnGWkbWPx54g==",
       "dev": true,
       "license": "MIT",
       "engines": {
@@ -922,15 +926,15 @@
       }
     },
     "node_modules/@typescript-eslint/type-utils": {
-      "version": "8.43.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-8.43.0.tgz",
-      "integrity": "sha512-qaH1uLBpBuBBuRf8c1mLJ6swOfzCXryhKND04Igr4pckzSEW9JX5Aw9AgW00kwfjWJF0kk0ps9ExKTfvXfw4Qg==",
+      "version": "8.46.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-8.46.1.tgz",
+      "integrity": "sha512-+BlmiHIiqufBxkVnOtFwjah/vrkF4MtKKvpXrKSPLCkCtAp8H01/VV43sfqA98Od7nJpDcFnkwgyfQbOG0AMvw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/types": "8.43.0",
-        "@typescript-eslint/typescript-estree": "8.43.0",
-        "@typescript-eslint/utils": "8.43.0",
+        "@typescript-eslint/types": "8.46.1",
+        "@typescript-eslint/typescript-estree": "8.46.1",
+        "@typescript-eslint/utils": "8.46.1",
         "debug": "^4.3.4",
         "ts-api-utils": "^2.1.0"
       },
@@ -947,9 +951,9 @@
       }
     },
     "node_modules/@typescript-eslint/types": {
-      "version": "8.43.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-8.43.0.tgz",
-      "integrity": "sha512-vQ2FZaxJpydjSZJKiSW/LJsabFFvV7KgLC5DiLhkBcykhQj8iK9BOaDmQt74nnKdLvceM5xmhaTF+pLekrxEkw==",
+      "version": "8.46.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-8.46.1.tgz",
+      "integrity": "sha512-C+soprGBHwWBdkDpbaRC4paGBrkIXxVlNohadL5o0kfhsXqOC6GYH2S/Obmig+I0HTDl8wMaRySwrfrXVP8/pQ==",
       "dev": true,
       "license": "MIT",
       "engines": {
@@ -961,16 +965,16 @@
       }
     },
     "node_modules/@typescript-eslint/typescript-estree": {
-      "version": "8.43.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-8.43.0.tgz",
-      "integrity": "sha512-7Vv6zlAhPb+cvEpP06WXXy/ZByph9iL6BQRBDj4kmBsW98AqEeQHlj/13X+sZOrKSo9/rNKH4Ul4f6EICREFdw==",
+      "version": "8.46.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-8.46.1.tgz",
+      "integrity": "sha512-uIifjT4s8cQKFQ8ZBXXyoUODtRoAd7F7+G8MKmtzj17+1UbdzFl52AzRyZRyKqPHhgzvXunnSckVu36flGy8cg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/project-service": "8.43.0",
-        "@typescript-eslint/tsconfig-utils": "8.43.0",
-        "@typescript-eslint/types": "8.43.0",
-        "@typescript-eslint/visitor-keys": "8.43.0",
+        "@typescript-eslint/project-service": "8.46.1",
+        "@typescript-eslint/tsconfig-utils": "8.46.1",
+        "@typescript-eslint/types": "8.46.1",
+        "@typescript-eslint/visitor-keys": "8.46.1",
         "debug": "^4.3.4",
         "fast-glob": "^3.3.2",
         "is-glob": "^4.0.3",
@@ -1016,16 +1020,16 @@
       }
     },
     "node_modules/@typescript-eslint/utils": {
-      "version": "8.43.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/utils/-/utils-8.43.0.tgz",
-      "integrity": "sha512-S1/tEmkUeeswxd0GGcnwuVQPFWo8NzZTOMxCvw8BX7OMxnNae+i8Tm7REQen/SwUIPoPqfKn7EaZ+YLpiB3k9g==",
+      "version": "8.46.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/utils/-/utils-8.46.1.tgz",
+      "integrity": "sha512-vkYUy6LdZS7q1v/Gxb2Zs7zziuXN0wxqsetJdeZdRe/f5dwJFglmuvZBfTUivCtjH725C1jWCDfpadadD95EDQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.7.0",
-        "@typescript-eslint/scope-manager": "8.43.0",
-        "@typescript-eslint/types": "8.43.0",
-        "@typescript-eslint/typescript-estree": "8.43.0"
+        "@typescript-eslint/scope-manager": "8.46.1",
+        "@typescript-eslint/types": "8.46.1",
+        "@typescript-eslint/typescript-estree": "8.46.1"
       },
       "engines": {
         "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
@@ -1040,13 +1044,13 @@
       }
     },
     "node_modules/@typescript-eslint/visitor-keys": {
-      "version": "8.43.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-8.43.0.tgz",
-      "integrity": "sha512-T+S1KqRD4sg/bHfLwrpF/K3gQLBM1n7Rp7OjjikjTEssI2YJzQpi5WXoynOaQ93ERIuq3O8RBTOUYDKszUCEHw==",
+      "version": "8.46.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-8.46.1.tgz",
+      "integrity": "sha512-ptkmIf2iDkNUjdeu2bQqhFPV1m6qTnFFjg7PPDjxKWaMaP0Z6I9l30Jr3g5QqbZGdw8YdYvLp+XnqnWWZOg/NA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/types": "8.43.0",
+        "@typescript-eslint/types": "8.46.1",
         "eslint-visitor-keys": "^4.2.1"
       },
       "engines": {
@@ -3124,9 +3128,9 @@
       "license": "MIT"
     },
     "node_modules/semver": {
-      "version": "7.7.2",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.2.tgz",
-      "integrity": "sha512-RF0Fw+rO5AMf9MAyaRXI4AV0Ulj5lMHqVxxdSgiVbixSCXoEmmX/jk0CuJw4+3SqroYO9VoUh+HcuJivvtJemA==",
+      "version": "7.7.3",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.3.tgz",
+      "integrity": "sha512-SdsKMrI9TdgjdweUSR9MweHA4EJ8YxHn8DFaDisvhVlUOe4BF1tLD7GAj0lIqWVl+dPb/rExr0Btby5loQm20Q==",
       "dev": true,
       "license": "ISC",
       "bin": {
@@ -3527,16 +3531,16 @@
       }
     },
     "node_modules/typescript-eslint": {
-      "version": "8.43.0",
-      "resolved": "https://registry.npmjs.org/typescript-eslint/-/typescript-eslint-8.43.0.tgz",
-      "integrity": "sha512-FyRGJKUGvcFekRRcBKFBlAhnp4Ng8rhe8tuvvkR9OiU0gfd4vyvTRQHEckO6VDlH57jbeUQem2IpqPq9kLJH+w==",
+      "version": "8.46.1",
+      "resolved": "https://registry.npmjs.org/typescript-eslint/-/typescript-eslint-8.46.1.tgz",
+      "integrity": "sha512-VHgijW803JafdSsDO8I761r3SHrgk4T00IdyQ+/UsthtgPRsBWQLqoSxOolxTpxRKi1kGXK0bSz4CoAc9ObqJA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/eslint-plugin": "8.43.0",
-        "@typescript-eslint/parser": "8.43.0",
-        "@typescript-eslint/typescript-estree": "8.43.0",
-        "@typescript-eslint/utils": "8.43.0"
+        "@typescript-eslint/eslint-plugin": "8.46.1",
+        "@typescript-eslint/parser": "8.46.1",
+        "@typescript-eslint/typescript-estree": "8.46.1",
+        "@typescript-eslint/utils": "8.46.1"
       },
       "engines": {
         "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
diff --git a/backend/package.json b/backend/package.json
index c281ec2..f47ad48 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -59,6 +59,6 @@
     "globals": "^16.4.0",
     "ts-node-dev": "^2.0.0",
     "typescript": "^5.9.2",
-    "typescript-eslint": "^8.43.0"
+    "typescript-eslint": "^8.46.1"
   }
 }