diff --git a/backend/package-lock.json b/backend/package-lock.json
index ec43a25..07e1a31 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -43,6 +43,7 @@
         "@types/jest": "^30.0.0",
         "@types/node": "^22.10.7",
         "@types/supertest": "^6.0.2",
+        "chokidar": "^5.0.0",
         "eslint": "^9.18.0",
         "eslint-config-prettier": "^10.0.1",
         "eslint-plugin-prettier": "^5.2.2",
@@ -226,6 +227,16 @@
         "tslib": "^2.1.0"
       }
     },
+    "node_modules/@angular-devkit/schematics-cli/node_modules/source-map": {
+      "version": "0.7.4",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.7.4.tgz",
+      "integrity": "sha512-l3BikUxvPOcn5E74dZiq5BGsTb5yEwhaTSzccU6t4sDOH8NWJCstKO5QT2CvtFoK6F0saL7p9xHAqHOlCPJygA==",
+      "dev": true,
+      "license": "BSD-3-Clause",
+      "engines": {
+        "node": ">= 8"
+      }
+    },
     "node_modules/@angular-devkit/schematics/node_modules/@angular-devkit/core": {
       "version": "19.2.27",
       "resolved": "https://registry.npmjs.org/@angular-devkit/core/-/core-19.2.27.tgz",
@@ -321,6 +332,16 @@
         "tslib": "^2.1.0"
       }
     },
+    "node_modules/@angular-devkit/schematics/node_modules/source-map": {
+      "version": "0.7.4",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.7.4.tgz",
+      "integrity": "sha512-l3BikUxvPOcn5E74dZiq5BGsTb5yEwhaTSzccU6t4sDOH8NWJCstKO5QT2CvtFoK6F0saL7p9xHAqHOlCPJygA==",
+      "dev": true,
+      "license": "BSD-3-Clause",
+      "engines": {
+        "node": ">= 8"
+      }
+    },
     "node_modules/@babel/code-frame": {
       "version": "7.29.7",
       "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.29.7.tgz",
@@ -2790,6 +2811,16 @@
         }
       }
     },
+    "node_modules/@nestjs/cli/node_modules/source-map": {
+      "version": "0.7.4",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.7.4.tgz",
+      "integrity": "sha512-l3BikUxvPOcn5E74dZiq5BGsTb5yEwhaTSzccU6t4sDOH8NWJCstKO5QT2CvtFoK6F0saL7p9xHAqHOlCPJygA==",
+      "dev": true,
+      "license": "BSD-3-Clause",
+      "engines": {
+        "node": ">= 8"
+      }
+    },
     "node_modules/@nestjs/cli/node_modules/webpack": {
       "version": "5.106.2",
       "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.106.2.tgz",
@@ -3117,6 +3148,16 @@
         "tslib": "^2.1.0"
       }
     },
+    "node_modules/@nestjs/schematics/node_modules/source-map": {
+      "version": "0.7.4",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.7.4.tgz",
+      "integrity": "sha512-l3BikUxvPOcn5E74dZiq5BGsTb5yEwhaTSzccU6t4sDOH8NWJCstKO5QT2CvtFoK6F0saL7p9xHAqHOlCPJygA==",
+      "dev": true,
+      "license": "BSD-3-Clause",
+      "engines": {
+        "node": ">= 8"
+      }
+    },
     "node_modules/@nestjs/swagger": {
       "version": "11.4.4",
       "resolved": "https://registry.npmjs.org/@nestjs/swagger/-/swagger-11.4.4.tgz",
@@ -6105,7 +6146,6 @@
       "integrity": "sha512-TQMmc3w+5AxjpL8iIiwebF73dRDF4fBIieAqGn9RGCWaEVwQ6Fb2cGe31Yns0RRIzii5goJ1Y7xbMwo1TxMplw==",
       "dev": true,
       "license": "MIT",
-      "optional": true,
       "peer": true,
       "dependencies": {
         "readdirp": "^5.0.0"
@@ -11081,7 +11121,6 @@
       "integrity": "sha512-9u/XQ1pvrQtYyMpZe7DXKv2p5CNvyVwzUB6uhLAnQwHMSgKMBR62lc7AHljaeteeHXn11XTAaLLUVZYVZyuRBQ==",
       "dev": true,
       "license": "MIT",
-      "optional": true,
       "engines": {
         "node": ">= 20.19.0"
       },
@@ -11579,13 +11618,13 @@
       }
     },
     "node_modules/source-map": {
-      "version": "0.7.4",
-      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.7.4.tgz",
-      "integrity": "sha512-l3BikUxvPOcn5E74dZiq5BGsTb5yEwhaTSzccU6t4sDOH8NWJCstKO5QT2CvtFoK6F0saL7p9xHAqHOlCPJygA==",
+      "version": "0.7.6",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.7.6.tgz",
+      "integrity": "sha512-i5uvt8C3ikiWeNZSVZNWcfZPItFQOsYTUAOkcUPGd8DqDy1uOUikjt5dG+uRlwyvR108Fb9DOd4GvXfT0N2/uQ==",
       "dev": true,
       "license": "BSD-3-Clause",
       "engines": {
-        "node": ">= 8"
+        "node": ">= 12"
       }
     },
     "node_modules/source-map-support": {
diff --git a/backend/package.json b/backend/package.json
index 4b4aeea..f59dc55 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -50,6 +50,7 @@
     "@nestjs/testing": "^11.0.1",
     "@swc/cli": "^0.8.1",
     "@swc/core": "^1.15.24",
+    "chokidar": "^5.0.0",
     "@types/express": "^5.0.0",
     "@types/jest": "^30.0.0",
     "@types/node": "^22.10.7",