diff --git a/backend/package.json b/backend/package.json
index d04bcf37..2e683ab5 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -45,7 +45,7 @@
     "@nestjs/jwt": "^12.0.1",
     "@nestjs/mapped-types": "*",
     "@nestjs/passport": "^11.0.5",
-    "@nestjs/platform-express": "^11.2.6",
+    "@nestjs/platform-express": "^12.2.0",
     "@nestjs/platform-socket.io": "^11.2.6",
     "@nestjs/schedule": "^12.0.1",
     "@nestjs/swagger": "^11.4.7",
diff --git a/package-lock.json b/package-lock.json
index 5b61152b..b8e8fad7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,6 +12,9 @@
         "frontend",
         "backend"
       ],
+      "dependencies": {
+        "@types/passport-local": "^1.0.38"
+      },
       "engines": {
         "node": ">=18"
       }
@@ -28,7 +31,7 @@
         "@nestjs/jwt": "^12.0.1",
         "@nestjs/mapped-types": "*",
         "@nestjs/passport": "^11.0.5",
-        "@nestjs/platform-express": "^11.2.6",
+        "@nestjs/platform-express": "^12.2.0",
         "@nestjs/platform-socket.io": "^11.2.6",
         "@nestjs/schedule": "^12.0.1",
         "@nestjs/swagger": "^11.4.7",
@@ -101,6 +104,27 @@
       "integrity": "sha512-vrx0AE/T0h7cRZwfo1M39Cr+ZhZrkf0V8mQN75wucKCxCLD9l/VX6no3gFvrLqD1IlG/1LtzWovqEw3t0Vr9zg==",
       "license": "MIT"
     },
+    "backend/node_modules/@nestjs/platform-express": {
+      "version": "12.2.0",
+      "resolved": "https://registry.npmjs.org/@nestjs/platform-express/-/platform-express-12.2.0.tgz",
+      "integrity": "sha512-ZG4nRgFicwfFKnzz9CfmX6GhSL1Ov6ch25L+7yDFoPeOBZ0EoytsttyURQaDJPRigcIJXQ1E+Z5zWDwUGc9Yyg==",
+      "license": "MIT",
+      "dependencies": {
+        "cors": "2.8.6",
+        "express": "5.3.0",
+        "multer": "2.4.0",
+        "path-to-regexp": "8.4.2",
+        "tslib": "2.8.1"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/nest"
+      },
+      "peerDependencies": {
+        "@nestjs/common": "^12.0.0",
+        "@nestjs/core": "^12.0.0"
+      }
+    },
     "backend/node_modules/@nestjs/typeorm": {
       "version": "12.0.1",
       "resolved": "https://registry.npmjs.org/@nestjs/typeorm/-/typeorm-12.0.1.tgz",
@@ -127,6 +151,75 @@
         "undici-types": "~6.21.0"
       }
     },
+    "backend/node_modules/content-disposition": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-2.0.1.tgz",
+      "integrity": "sha512-e+H0ZXHSWYrENhQzw1LPuP4oF5MzVKmDU6d3hxlvaPEYLLg62MxtQNPRx4SYSuYJSBUgnQIG4HIN2tEtNv7Dog==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "backend/node_modules/content-type": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/content-type/-/content-type-2.1.0.tgz",
+      "integrity": "sha512-mj7UPXE0jaqaOsukNZRUEfEi2AcL7C/vwmwcHV0O97eO1E1pxBZuyjlZrx5seTaNBg1U6+o35wpa35Qfcc+7ag==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "backend/node_modules/express": {
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/express/-/express-5.3.0.tgz",
+      "integrity": "sha512-qCqy1xSoaugxOD4IVHb1ZWdkvCF2W3aE2okKouWj8VwJ+ztskSiXoBnCSJqfKT+cVPJhuJqe9YLbY425+Zh00g==",
+      "license": "MIT",
+      "dependencies": {
+        "accepts": "^2.0.0",
+        "body-parser": "^2.3.0",
+        "content-disposition": "^2.0.1",
+        "content-type": "^2.0.0",
+        "cookie": "^0.7.1",
+        "cookie-signature": "^1.2.1",
+        "debug": "^4.4.0",
+        "depd": "^2.0.0",
+        "encodeurl": "^2.0.0",
+        "escape-html": "^1.0.3",
+        "etag": "^1.8.1",
+        "finalhandler": "^2.1.0",
+        "fresh": "^2.0.0",
+        "http-errors": "^2.0.0",
+        "merge-descriptors": "^2.0.0",
+        "mime-types": "^3.0.0",
+        "on-finished": "^2.4.1",
+        "once": "^1.4.0",
+        "parseurl": "^1.3.3",
+        "proxy-addr": "^2.0.8",
+        "qs": "^6.16.0",
+        "range-parser": "^1.2.1",
+        "router": "^2.2.0",
+        "send": "^1.1.0",
+        "serve-static": "^2.2.0",
+        "statuses": "^2.0.1",
+        "type-is": "^2.1.0",
+        "vary": "^1.1.2"
+      },
+      "engines": {
+        "node": ">= 18"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
     "backend/node_modules/ioredis": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/ioredis/-/ioredis-6.0.0.tgz",
@@ -3447,27 +3540,6 @@
         "passport": "^0.5.0 || ^0.6.0 || ^0.7.0"
       }
     },
-    "node_modules/@nestjs/platform-express": {
-      "version": "11.2.6",
-      "resolved": "https://registry.npmjs.org/@nestjs/platform-express/-/platform-express-11.2.6.tgz",
-      "integrity": "sha512-jPypI/+aueizkYG2Bw2kg8GaNsWE7ekFBSQ/Rwet7wEdBA/+q2FA364UbDabqjlR7C3VSNHmP/JXh+8+jXyDOw==",
-      "license": "MIT",
-      "dependencies": {
-        "cors": "2.8.6",
-        "express": "5.2.1",
-        "multer": "2.4.0",
-        "path-to-regexp": "8.4.2",
-        "tslib": "2.8.1"
-      },
-      "funding": {
-        "type": "opencollective",
-        "url": "https://opencollective.com/nest"
-      },
-      "peerDependencies": {
-        "@nestjs/common": "^11.0.0",
-        "@nestjs/core": "^11.0.0"
-      }
-    },
     "node_modules/@nestjs/platform-socket.io": {
       "version": "11.2.6",
       "resolved": "https://registry.npmjs.org/@nestjs/platform-socket.io/-/platform-socket.io-11.2.6.tgz",
@@ -8635,6 +8707,7 @@
       "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-1.1.0.tgz",
       "integrity": "sha512-5jRCH9Z/+DRP7rkvY83B+yGIGX96OYdJmzngqnw2SBSxqCFPd0w2km3s5iawpGX8krnwSGmF0FW5Nhr0Hfai3g==",
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=18"
       },
@@ -8648,6 +8721,7 @@
       "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.5.tgz",
       "integrity": "sha512-nTjqfcBFEipKdXCv4YDQWCfmcLZKm81ldF0pAopTvyrFGVbcR6P/VAAd5G7N+0tTr8QqiU0tFadD6FK4NtJwOA==",
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">= 0.6"
       }
@@ -10616,6 +10690,7 @@
       "resolved": "https://registry.npmjs.org/express/-/express-5.2.1.tgz",
       "integrity": "sha512-hIS4idWWai69NezIdRt2xFVofaF4j+6INOpJlVOLDO8zXGpUVEVzIYk12UUi2JzjEzWL3IOAxcTubgz9Po0yXw==",
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "accepts": "^2.0.0",
         "body-parser": "^2.2.1",
@@ -16099,9 +16174,9 @@
       "license": "MIT"
     },
     "node_modules/proxy-addr": {
-      "version": "2.0.7",
-      "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.7.tgz",
-      "integrity": "sha512-llQsMLSUDUPT44jdrU/O37qlnifitDP+ZwrmmZcoSKyLKvtZxpyV0n2/bD/N4tBAAZ/gJEdZU7KMraoK1+XYAg==",
+      "version": "2.0.8",
+      "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.8.tgz",
+      "integrity": "sha512-5nnx0yGyVUcY6t9RnWcARWtwT9F1D8O9rt08htPvnd49W1IgZtmLkhu9WfMzQj1cFxjHIO6connUNVW5k7AVyQ==",
       "license": "MIT",
       "dependencies": {
         "forwarded": "0.2.0",
@@ -16109,6 +16184,10 @@
       },
       "engines": {
         "node": ">= 0.10"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
       }
     },
     "node_modules/proxy-from-env": {