diff --git a/backend/biome.json b/backend/biome.json
index cf77a5f..4432791 100644
--- a/backend/biome.json
+++ b/backend/biome.json
@@ -1,37 +1,37 @@
 {
-  "$schema": "https://biomejs.dev/schemas/2.2.0/schema.json",
-  "vcs": {
-    "enabled": true,
-    "clientKind": "git",
-    "useIgnoreFile": true
-  },
-  "files": {
-    "ignoreUnknown": true,
-    "includes": ["**", "!node_modules", "!.next", "!dist", "!build"]
-  },
-  "formatter": {
-    "enabled": true,
-    "indentStyle": "tab",
-    "indentWidth": 2
-  },
-  "linter": {
-    "enabled": true,
-    "rules": {
-      "recommended": true,
-      "suspicious": {
-        "noUnknownAtRules": "off"
-      }
-    },
-    "domains": {
-      "next": "recommended",
-      "react": "recommended"
-    }
-  },
-  "assist": {
-    "actions": {
-      "source": {
-        "organizeImports": "on"
-      }
-    }
-  }
+	"$schema": "https://biomejs.dev/schemas/2.3.11/schema.json",
+	"vcs": {
+		"enabled": true,
+		"clientKind": "git",
+		"useIgnoreFile": true
+	},
+	"files": {
+		"ignoreUnknown": true,
+		"includes": ["**", "!node_modules", "!.next", "!dist", "!build"]
+	},
+	"formatter": {
+		"enabled": true,
+		"indentStyle": "tab",
+		"indentWidth": 1
+	},
+	"linter": {
+		"enabled": true,
+		"rules": {
+			"recommended": true,
+			"suspicious": {
+				"noUnknownAtRules": "off"
+			}
+		},
+		"domains": {
+			"next": "recommended",
+			"react": "recommended"
+		}
+	},
+	"assist": {
+		"actions": {
+			"source": {
+				"organizeImports": "on"
+			}
+		}
+	}
 }
diff --git a/backend/nest-cli.json b/backend/nest-cli.json
index f9aa683..95538fb 100644
--- a/backend/nest-cli.json
+++ b/backend/nest-cli.json
@@ -1,8 +1,8 @@
 {
-  "$schema": "https://json.schemastore.org/nest-cli",
-  "collection": "@nestjs/schematics",
-  "sourceRoot": "src",
-  "compilerOptions": {
-    "deleteOutDir": true
-  }
+	"$schema": "https://json.schemastore.org/nest-cli",
+	"collection": "@nestjs/schematics",
+	"sourceRoot": "src",
+	"compilerOptions": {
+		"deleteOutDir": true
+	}
 }
diff --git a/backend/package.json b/backend/package.json
index be3cfcb..3b9477d 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -1,65 +1,65 @@
 {
-  "name": "backend",
-  "version": "0.0.1",
-  "description": "",
-  "author": "",
-  "private": true,
-  "license": "UNLICENSED",
-  "scripts": {
-    "build": "nest build",
-    "lint": "biome check",
-    "format": "biome format --write",
-    "start": "nest start",
-    "start:dev": "nest start --watch",
-    "start:debug": "nest start --debug --watch",
-    "start:prod": "node dist/main",
-    "test": "jest",
-    "test:watch": "jest --watch",
-    "test:cov": "jest --coverage",
-    "test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand",
-    "test:e2e": "jest --config ./test/jest-e2e.json"
-  },
-  "dependencies": {
-    "@nestjs/common": "^11.0.1",
-    "@nestjs/core": "^11.0.1",
-    "@nestjs/platform-express": "^11.0.1",
-    "reflect-metadata": "^0.2.2",
-    "rxjs": "^7.8.1"
-  },
-  "devDependencies": {
-    "@nestjs/cli": "^11.0.0",
-    "@nestjs/schematics": "^11.0.0",
-    "@nestjs/testing": "^11.0.1",
-    "@types/express": "^5.0.0",
-    "@types/jest": "^30.0.0",
-    "@types/node": "^22.10.7",
-    "@types/supertest": "^6.0.2",
-    "globals": "^16.0.0",
-    "jest": "^30.0.0",
-    "source-map-support": "^0.5.21",
-    "supertest": "^7.0.0",
-    "ts-jest": "^29.2.5",
-    "ts-loader": "^9.5.2",
-    "ts-node": "^10.9.2",
-    "tsconfig-paths": "^4.2.0",
-    "typescript": "^5.7.3",
-    "typescript-eslint": "^8.20.0"
-  },
-  "jest": {
-    "moduleFileExtensions": [
-      "js",
-      "json",
-      "ts"
-    ],
-    "rootDir": "src",
-    "testRegex": ".*\\.spec\\.ts$",
-    "transform": {
-      "^.+\\.(t|j)s$": "ts-jest"
-    },
-    "collectCoverageFrom": [
-      "**/*.(t|j)s"
-    ],
-    "coverageDirectory": "../coverage",
-    "testEnvironment": "node"
-  }
+	"name": "backend",
+	"version": "0.0.1",
+	"description": "",
+	"author": "",
+	"private": true,
+	"license": "UNLICENSED",
+	"scripts": {
+		"build": "nest build",
+		"lint": "biome check",
+		"format": "biome format --write",
+		"start": "nest start",
+		"start:dev": "nest start --watch",
+		"start:debug": "nest start --debug --watch",
+		"start:prod": "node dist/main",
+		"test": "jest",
+		"test:watch": "jest --watch",
+		"test:cov": "jest --coverage",
+		"test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand",
+		"test:e2e": "jest --config ./test/jest-e2e.json"
+	},
+	"dependencies": {
+		"@nestjs/common": "^11.0.1",
+		"@nestjs/core": "^11.0.1",
+		"@nestjs/platform-express": "^11.0.1",
+		"reflect-metadata": "^0.2.2",
+		"rxjs": "^7.8.1"
+	},
+	"devDependencies": {
+		"@nestjs/cli": "^11.0.0",
+		"@nestjs/schematics": "^11.0.0",
+		"@nestjs/testing": "^11.0.1",
+		"@types/express": "^5.0.0",
+		"@types/jest": "^30.0.0",
+		"@types/node": "^22.10.7",
+		"@types/supertest": "^6.0.2",
+		"globals": "^16.0.0",
+		"jest": "^30.0.0",
+		"source-map-support": "^0.5.21",
+		"supertest": "^7.0.0",
+		"ts-jest": "^29.2.5",
+		"ts-loader": "^9.5.2",
+		"ts-node": "^10.9.2",
+		"tsconfig-paths": "^4.2.0",
+		"typescript": "^5.7.3",
+		"typescript-eslint": "^8.20.0"
+	},
+	"jest": {
+		"moduleFileExtensions": [
+			"js",
+			"json",
+			"ts"
+		],
+		"rootDir": "src",
+		"testRegex": ".*\\.spec\\.ts$",
+		"transform": {
+			"^.+\\.(t|j)s$": "ts-jest"
+		},
+		"collectCoverageFrom": [
+			"**/*.(t|j)s"
+		],
+		"coverageDirectory": "../coverage",
+		"testEnvironment": "node"
+	}
 }
diff --git a/backend/src/app.controller.spec.ts b/backend/src/app.controller.spec.ts
index d22f389..0250afe 100644
--- a/backend/src/app.controller.spec.ts
+++ b/backend/src/app.controller.spec.ts
@@ -1,22 +1,22 @@
-import { Test, TestingModule } from '@nestjs/testing';
-import { AppController } from './app.controller';
-import { AppService } from './app.service';
+import { Test, TestingModule } from "@nestjs/testing";
+import { AppController } from "./app.controller";
+import { AppService } from "./app.service";
 
-describe('AppController', () => {
-  let appController: AppController;
+describe("AppController", () => {
+	let appController: AppController;
 
-  beforeEach(async () => {
-    const app: TestingModule = await Test.createTestingModule({
-      controllers: [AppController],
-      providers: [AppService],
-    }).compile();
+	beforeEach(async () => {
+		const app: TestingModule = await Test.createTestingModule({
+			controllers: [AppController],
+			providers: [AppService],
+		}).compile();
 
-    appController = app.get<AppController>(AppController);
-  });
+		appController = app.get<AppController>(AppController);
+	});
 
-  describe('root', () => {
-    it('should return "Hello World!"', () => {
-      expect(appController.getHello()).toBe('Hello World!');
-    });
-  });
+	describe("root", () => {
+		it('should return "Hello World!"', () => {
+			expect(appController.getHello()).toBe("Hello World!");
+		});
+	});
 });
diff --git a/backend/src/app.controller.ts b/backend/src/app.controller.ts
index cce879e..96072ca 100644
--- a/backend/src/app.controller.ts
+++ b/backend/src/app.controller.ts
@@ -1,12 +1,12 @@
-import { Controller, Get } from '@nestjs/common';
-import { AppService } from './app.service';
+import { Controller, Get } from "@nestjs/common";
+import { AppService } from "./app.service";
 
 @Controller()
 export class AppController {
-  constructor(private readonly appService: AppService) {}
+	constructor(private readonly appService: AppService) {}
 
-  @Get()
-  getHello(): string {
-    return this.appService.getHello();
-  }
+	@Get()
+	getHello(): string {
+		return this.appService.getHello();
+	}
 }
diff --git a/backend/src/app.module.ts b/backend/src/app.module.ts
index 8662803..6bb615a 100644
--- a/backend/src/app.module.ts
+++ b/backend/src/app.module.ts
@@ -1,10 +1,10 @@
-import { Module } from '@nestjs/common';
-import { AppController } from './app.controller';
-import { AppService } from './app.service';
+import { Module } from "@nestjs/common";
+import { AppController } from "./app.controller";
+import { AppService } from "./app.service";
 
 @Module({
-  imports: [],
-  controllers: [AppController],
-  providers: [AppService],
+	imports: [],
+	controllers: [AppController],
+	providers: [AppService],
 })
 export class AppModule {}
diff --git a/backend/src/app.service.ts b/backend/src/app.service.ts
index 927d7cc..b65d346 100644
--- a/backend/src/app.service.ts
+++ b/backend/src/app.service.ts
@@ -1,8 +1,8 @@
-import { Injectable } from '@nestjs/common';
+import { Injectable } from "@nestjs/common";
 
 @Injectable()
 export class AppService {
-  getHello(): string {
-    return 'Hello World!';
-  }
+	getHello(): string {
+		return "Hello World!";
+	}
 }
diff --git a/backend/src/main.ts b/backend/src/main.ts
index f76bc8d..6d4d521 100644
--- a/backend/src/main.ts
+++ b/backend/src/main.ts
@@ -1,8 +1,8 @@
-import { NestFactory } from '@nestjs/core';
-import { AppModule } from './app.module';
+import { NestFactory } from "@nestjs/core";
+import { AppModule } from "./app.module";
 
 async function bootstrap() {
-  const app = await NestFactory.create(AppModule);
-  await app.listen(process.env.PORT ?? 3000);
+	const app = await NestFactory.create(AppModule);
+	await app.listen(process.env.PORT ?? 3000);
 }
 bootstrap();
diff --git a/backend/test/app.e2e-spec.ts b/backend/test/app.e2e-spec.ts
index 36852c5..25e86ad 100644
--- a/backend/test/app.e2e-spec.ts
+++ b/backend/test/app.e2e-spec.ts
@@ -1,25 +1,25 @@
-import { Test, TestingModule } from '@nestjs/testing';
-import { INestApplication } from '@nestjs/common';
-import request from 'supertest';
-import { App } from 'supertest/types';
-import { AppModule } from './../src/app.module';
+import { Test, TestingModule } from "@nestjs/testing";
+import { INestApplication } from "@nestjs/common";
+import request from "supertest";
+import { App } from "supertest/types";
+import { AppModule } from "../src/app.module";
 
-describe('AppController (e2e)', () => {
-  let app: INestApplication<App>;
+describe("AppController (e2e)", () => {
+	let app: INestApplication<App>;
 
-  beforeEach(async () => {
-    const moduleFixture: TestingModule = await Test.createTestingModule({
-      imports: [AppModule],
-    }).compile();
+	beforeEach(async () => {
+		const moduleFixture: TestingModule = await Test.createTestingModule({
+			imports: [AppModule],
+		}).compile();
 
-    app = moduleFixture.createNestApplication();
-    await app.init();
-  });
+		app = moduleFixture.createNestApplication();
+		await app.init();
+	});
 
-  it('/ (GET)', () => {
-    return request(app.getHttpServer())
-      .get('/')
-      .expect(200)
-      .expect('Hello World!');
-  });
+	it("/ (GET)", () => {
+		return request(app.getHttpServer())
+			.get("/")
+			.expect(200)
+			.expect("Hello World!");
+	});
 });
diff --git a/backend/test/jest-e2e.json b/backend/test/jest-e2e.json
index e9d912f..f43e8a6 100644
--- a/backend/test/jest-e2e.json
+++ b/backend/test/jest-e2e.json
@@ -1,9 +1,9 @@
 {
-  "moduleFileExtensions": ["js", "json", "ts"],
-  "rootDir": ".",
-  "testEnvironment": "node",
-  "testRegex": ".e2e-spec.ts$",
-  "transform": {
-    "^.+\\.(t|j)s$": "ts-jest"
-  }
+	"moduleFileExtensions": ["js", "json", "ts"],
+	"rootDir": ".",
+	"testEnvironment": "node",
+	"testRegex": ".e2e-spec.ts$",
+	"transform": {
+		"^.+\\.(t|j)s$": "ts-jest"
+	}
 }
diff --git a/backend/tsconfig.build.json b/backend/tsconfig.build.json
index 64f86c6..4491981 100644
--- a/backend/tsconfig.build.json
+++ b/backend/tsconfig.build.json
@@ -1,4 +1,4 @@
 {
-  "extends": "./tsconfig.json",
-  "exclude": ["node_modules", "test", "dist", "**/*spec.ts"]
+	"extends": "./tsconfig.json",
+	"exclude": ["node_modules", "test", "dist", "**/*spec.ts"]
 }
diff --git a/backend/tsconfig.json b/backend/tsconfig.json
index aba29b0..8af9a4e 100644
--- a/backend/tsconfig.json
+++ b/backend/tsconfig.json
@@ -1,25 +1,25 @@
 {
-  "compilerOptions": {
-    "module": "nodenext",
-    "moduleResolution": "nodenext",
-    "resolvePackageJsonExports": true,
-    "esModuleInterop": true,
-    "isolatedModules": true,
-    "declaration": true,
-    "removeComments": true,
-    "emitDecoratorMetadata": true,
-    "experimentalDecorators": true,
-    "allowSyntheticDefaultImports": true,
-    "target": "ES2023",
-    "sourceMap": true,
-    "outDir": "./dist",
-    "baseUrl": "./",
-    "incremental": true,
-    "skipLibCheck": true,
-    "strictNullChecks": true,
-    "forceConsistentCasingInFileNames": true,
-    "noImplicitAny": false,
-    "strictBindCallApply": false,
-    "noFallthroughCasesInSwitch": false
-  }
+	"compilerOptions": {
+		"module": "nodenext",
+		"moduleResolution": "nodenext",
+		"resolvePackageJsonExports": true,
+		"esModuleInterop": true,
+		"isolatedModules": true,
+		"declaration": true,
+		"removeComments": true,
+		"emitDecoratorMetadata": true,
+		"experimentalDecorators": true,
+		"allowSyntheticDefaultImports": true,
+		"target": "ES2023",
+		"sourceMap": true,
+		"outDir": "./dist",
+		"baseUrl": "./",
+		"incremental": true,
+		"skipLibCheck": true,
+		"strictNullChecks": true,
+		"forceConsistentCasingInFileNames": true,
+		"noImplicitAny": false,
+		"strictBindCallApply": false,
+		"noFallthroughCasesInSwitch": false
+	}
 }