diff --git a/docs/swagger/swagger-spec.json b/docs/swagger/swagger-spec.json
index d32a67f..8bce1b6 100644
--- a/docs/swagger/swagger-spec.json
+++ b/docs/swagger/swagger-spec.json
@@ -2209,13 +2209,11 @@
             "description": "Employee`s company code"
           },
           "first_work_day": {
-            "format": "date-time",
             "type": "string",
             "example": "23/09/3018",
             "description": "Employee`s first working day"
           },
           "last_work_day": {
-            "format": "date-time",
             "type": "string",
             "example": "25/03/3019",
             "description": "Employee`s last working day"
@@ -2465,19 +2463,16 @@
             "description": "ID number of a shift code (link with bank-codes)"
           },
           "date": {
-            "format": "date-time",
             "type": "string",
             "example": "3018-10-20T00:00:00.000Z",
             "description": "Date where the shift takes place"
           },
           "start_time": {
-            "format": "date-time",
             "type": "string",
             "example": "3018-10-20T08:00:00.000Z",
             "description": "Start time of the said shift"
           },
           "end_time": {
-            "format": "date-time",
             "type": "string",
             "example": "3018-10-20T17:00:00.000Z",
             "description": "End time of the said shift"
@@ -2511,19 +2506,16 @@
             "description": "ID number of a shift code (link with bank-codes)"
           },
           "date": {
-            "format": "date-time",
             "type": "string",
             "example": "3018-10-20T00:00:00.000Z",
             "description": "Date where the shift takes place"
           },
           "start_time": {
-            "format": "date-time",
             "type": "string",
             "example": "3018-10-20T08:00:00.000Z",
             "description": "Start time of the said shift"
           },
           "end_time": {
-            "format": "date-time",
             "type": "string",
             "example": "3018-10-20T17:00:00.000Z",
             "description": "End time of the said shift"
@@ -2640,7 +2632,8 @@
           "id": {
             "type": "number",
             "example": 1,
-            "description": "Unique ID of a bank-code (auto-generated)"
+            "description": "Unique ID of a bank-code (auto-generated)",
+            "readOnly": true
           },
           "type": {
             "type": "string",
@@ -2677,7 +2670,8 @@
           "id": {
             "type": "number",
             "example": 1,
-            "description": "Unique ID of a bank-code (auto-generated)"
+            "description": "Unique ID of a bank-code (auto-generated)",
+            "readOnly": true
           },
           "type": {
             "type": "string",
diff --git a/npm b/npm
new file mode 100644
index 0000000..e69de29
diff --git a/prisma/mock-seeds-scripts/01-bankCodes.ts b/prisma/mock-seeds-scripts/01-bankCodes.ts
index 04a76df..6d5cec2 100644
--- a/prisma/mock-seeds-scripts/01-bankCodes.ts
+++ b/prisma/mock-seeds-scripts/01-bankCodes.ts
@@ -5,23 +5,17 @@ const prisma = new PrismaClient();
 async function main() {
   const presets = [
     // type, categorie, modifier, bank_code
-    ['SHIFT', 'REGULAR', 1.0, 'REG'],
-    ['SHIFT', 'EVENING', 1.15, 'EVE'],
-    ['SHIFT', 'NIGHT', 1.25, 'NGT'],
-    ['SHIFT', 'WEEKEND', 1.5, 'WKD'],
-    ['SHIFT', 'HOLIDAY', 2.0, 'HLD'],
+    ['REGULAR'  ,'SHIFT', 1.0 , 'G1'],
+    ['EVENING'  ,'SHIFT', 1.25, 'G43'],
+    ['Emergency','SHIFT', 2   , 'G48'],
+    ['HOLIDAY'  ,'SHIFT', 2.0 , 'G700'],
 
-    ['EXPENSE', 'MEAL', 1.0, 'EXP_MEAL'],
-    ['EXPENSE', 'MILEAGE', 1.0, 'EXP_MILE'],
-    ['EXPENSE', 'HOTEL', 1.0, 'EXP_HOTEL'],
-    ['EXPENSE', 'SUPPLIES', 1.0, 'EXP_SUP'],
+    ['EXPENSES','EXPENSE', 1.0 , 'G517'],
+    ['MILEAGE' ,'EXPENSE', 0.72, 'G57'],
+    ['PER_DIEM','EXPENSE', 1.0 , 'G502'],
 
-    ['LEAVE', 'SICK', 1.0, 'LV_SICK'],
-    ['LEAVE', 'VACATION', 1.0, 'LV_VAC'],
-    ['LEAVE', 'UNPAID', 0.0, 'LV_UNP'],
-    ['LEAVE', 'BEREAVEMENT', 1.0, 'LV_BER'],
-    ['LEAVE', 'PARENTAL', 1.0, 'LV_PAR'],
-    ['LEAVE', 'LEGAL', 1.0, 'LV_LEG'],
+    ['SICK'       ,'LEAVE', 1.0, 'G105'],
+    ['VACATION'   ,'LEAVE', 1.0, 'G305'],
   ];
 
   await prisma.bankCodes.createMany({
@@ -34,7 +28,7 @@ async function main() {
     skipDuplicates: true,
   });
 
-  console.log('✓ BankCodes: 15 rows');
+  console.log('✓ BankCodes: 9 rows');
 }
 
 main().finally(() => prisma.$disconnect());
diff --git a/prisma/mock-seeds-scripts/07-leave-requests-future.ts b/prisma/mock-seeds-scripts/07-leave-requests-future.ts
index 07fe14c..54f14b8 100644
--- a/prisma/mock-seeds-scripts/07-leave-requests-future.ts
+++ b/prisma/mock-seeds-scripts/07-leave-requests-future.ts
@@ -13,7 +13,7 @@ async function main() {
 
   const employees = await prisma.employees.findMany({ select: { id: true } });
   const bankCodes = await prisma.bankCodes.findMany({
-    where: { type: 'LEAVE' },
+    where: { categorie: 'LEAVE' },
     select: { id: true },
   });
 
diff --git a/prisma/mock-seeds-scripts/08-leave-requests-archive.ts b/prisma/mock-seeds-scripts/08-leave-requests-archive.ts
index 8935548..1ef2554 100644
--- a/prisma/mock-seeds-scripts/08-leave-requests-archive.ts
+++ b/prisma/mock-seeds-scripts/08-leave-requests-archive.ts
@@ -11,12 +11,11 @@ function daysAgo(n:number) {
 
 async function main() {
   const employees = await prisma.employees.findMany({ select: { id: true } });
-  const bankCodes = await prisma.bankCodes.findMany({ select: { id: true }, where: { type: 'LEAVE' } });
+  const bankCodes = await prisma.bankCodes.findMany({ select: { id: true }, where: { categorie: 'LEAVE' } });
 
   const types = Object.values(LeaveTypes);
   const statuses = Object.values(LeaveApprovalStatus);
 
-  // ✅ typer le tableau pour éviter never[]
   const created: LeaveRequests[] = [];
 
   for (let i = 0; i < 10; i++) {
diff --git a/prisma/mock-seeds-scripts/10-shifts.ts b/prisma/mock-seeds-scripts/10-shifts.ts
index b7ad63b..3fe1791 100644
--- a/prisma/mock-seeds-scripts/10-shifts.ts
+++ b/prisma/mock-seeds-scripts/10-shifts.ts
@@ -14,7 +14,7 @@ function daysAgo(n:number) {
 }
 
 async function main() {
-  const bankCodes = await prisma.bankCodes.findMany({ where: { type: 'SHIFT' }, select: { id: true } });
+  const bankCodes = await prisma.bankCodes.findMany({ where: { categorie: 'SHIFT' }, select: { id: true } });
   if (!bankCodes.length) throw new Error('Need SHIFT bank codes');
 
   const employees = await prisma.employees.findMany({ select: { id: true } });
diff --git a/prisma/mock-seeds-scripts/11-shifts-archive.ts b/prisma/mock-seeds-scripts/11-shifts-archive.ts
index 45d8d35..fa22ddb 100644
--- a/prisma/mock-seeds-scripts/11-shifts-archive.ts
+++ b/prisma/mock-seeds-scripts/11-shifts-archive.ts
@@ -13,7 +13,7 @@ function daysAgo(n:number) {
 }
 
 async function main() {
-  const bankCodes = await prisma.bankCodes.findMany({ where: { type: 'SHIFT' }, select: { id: true } });
+  const bankCodes = await prisma.bankCodes.findMany({ where: { categorie: 'SHIFT' }, select: { id: true } });
   const employees = await prisma.employees.findMany({ select: { id: true } });
 
   for (const e of employees) {
diff --git a/prisma/mock-seeds-scripts/12-expenses.ts b/prisma/mock-seeds-scripts/12-expenses.ts
index b539c83..2da1eb5 100644
--- a/prisma/mock-seeds-scripts/12-expenses.ts
+++ b/prisma/mock-seeds-scripts/12-expenses.ts
@@ -10,7 +10,7 @@ function daysAgo(n:number) {
 }
 
 async function main() {
-  const expenseCodes = await prisma.bankCodes.findMany({ where: { type: 'EXPENSE' }, select: { id: true } });
+  const expenseCodes = await prisma.bankCodes.findMany({ where: { categorie: 'EXPENSE' }, select: { id: true } });
   if (!expenseCodes.length) throw new Error('Need EXPENSE bank codes');
 
   const timesheets = await prisma.timesheets.findMany({ select: { id: true } });
diff --git a/prisma/mock-seeds-scripts/13-expenses-archive.ts b/prisma/mock-seeds-scripts/13-expenses-archive.ts
index bc6b0af..3d87908 100644
--- a/prisma/mock-seeds-scripts/13-expenses-archive.ts
+++ b/prisma/mock-seeds-scripts/13-expenses-archive.ts
@@ -11,7 +11,7 @@ function daysAgo(n:number) {
 }
 
 async function main() {
-  const expenseCodes = await prisma.bankCodes.findMany({ where: { type: 'EXPENSE' }, select: { id: true } });
+  const expenseCodes = await prisma.bankCodes.findMany({ where: { categorie: 'EXPENSE' }, select: { id: true } });
   const timesheets   = await prisma.timesheets.findMany({ select: { id: true } });
 
   // ✅ typer pour éviter never[]
diff --git a/prisma/mock-seeds-scripts/READMEmockseeds.md b/prisma/mock-seeds-scripts/READMEmockseeds.md
index 293ce74..3579198 100644
--- a/prisma/mock-seeds-scripts/READMEmockseeds.md
+++ b/prisma/mock-seeds-scripts/READMEmockseeds.md
@@ -40,7 +40,7 @@ shifts = 10 × (#employees)
 
 shifts_archive = 30 × (#employees)
 
-bank_codes = 15
+bank_codes = 9
 
 expenses = 5
 
diff --git a/src/modules/bank-codes/dtos/create-bank-code.dto.ts b/src/modules/bank-codes/dtos/create-bank-code.dto.ts
index 8832c06..f2bec7b 100644
--- a/src/modules/bank-codes/dtos/create-bank-code.dto.ts
+++ b/src/modules/bank-codes/dtos/create-bank-code.dto.ts
@@ -1,11 +1,14 @@
 import { ApiProperty } from "@nestjs/swagger";
-import { IsNotEmpty, IsNumber, IsString } from "class-validator";
+import { Type } from "class-transformer";
+import { Allow, IsNotEmpty, IsNumber, IsString } from "class-validator";
 
 export class CreateBankCodeDto {
     @ApiProperty({
     example: 1,
     description: 'Unique ID of a bank-code (auto-generated)',
+    readOnly: true,
     })
+    @Allow()
     id: number;
 
     @ApiProperty({
@@ -28,6 +31,7 @@ export class CreateBankCodeDto {
     example: '0, 0.72, 1, 1.5, 2',
     description: 'modifier number to apply to salary',
     })
+    @Type(()=> Number)
     @IsNumber()
     @IsNotEmpty()
     modifier: number;
diff --git a/src/modules/bank-codes/services/bank-codes.service.ts b/src/modules/bank-codes/services/bank-codes.service.ts
index 7e4c3e5..5e1549a 100644
--- a/src/modules/bank-codes/services/bank-codes.service.ts
+++ b/src/modules/bank-codes/services/bank-codes.service.ts
@@ -9,7 +9,14 @@ export class BankCodesService {
     constructor(private readonly prisma: PrismaService) {}
 
     async create(dto: CreateBankCodeDto): Promise<BankCodes>{
-        return this.prisma.bankCodes.create({ data: dto  })
+        return this.prisma.bankCodes.create({ 
+            data: {
+                type: dto.type,
+                categorie: dto.categorie,
+                modifier:  dto.modifier,
+                bank_code: dto.bank_code,
+            },
+        });
     }
 
     findAll() {
@@ -19,15 +26,21 @@ export class BankCodesService {
     async findOne(id: number) {
         const bankCode = await this.prisma.bankCodes.findUnique({ where: {id} });
         
-        if(!bankCode) {
-            throw new NotFoundException(`Bank Code #${id} not found`);
-        }
+        if(!bankCode) throw new NotFoundException(`Bank Code #${id} not found`);
         
         return bankCode;
     }
 
     async update(id:number, dto: UpdateBankCodeDto) {
-        await this.prisma.bankCodes.update({ where: { id }, data: dto });
+        return await this.prisma.bankCodes.update({ 
+            where: { id },
+             data: {
+                type: dto.type,
+                categorie: dto.categorie,
+                modifier: dto.modifier as any,
+                bank_code: dto.bank_code,  
+             },  
+        });
     }
 
     async remove(id: number) {
diff --git a/src/modules/customers/dtos/create-customer.dto.ts b/src/modules/customers/dtos/create-customer.dto.ts
index 0643c25..bc35918 100644
--- a/src/modules/customers/dtos/create-customer.dto.ts
+++ b/src/modules/customers/dtos/create-customer.dto.ts
@@ -1,12 +1,14 @@
 import { ApiProperty } from "@nestjs/swagger";
 import { Type } from "class-transformer";
 import {
+    Allow,
      IsEmail,
      IsInt,
      IsNotEmpty,
      IsOptional,
      IsPositive,
      IsString,
+     IsUUID,
 } from "class-validator";
 
 export class CreateCustomerDto {
@@ -14,13 +16,16 @@ export class CreateCustomerDto {
         example: 1,
         description: 'Unique ID of a customer(primary-key, auto-incremented)',
     })
-    id: number;
+    @Allow()
+    id?: number;
 
     @ApiProperty({
         example: '0e6e2e1f-b157-4c7c-ae3f-999b3e4f914d',
         description: 'UUID of the user linked to that customer',
     })
-    user_id: string;
+    @IsUUID()
+    @IsOptional()
+    user_id?: string;
 
     @ApiProperty({
         example: 'Gandalf',
@@ -69,6 +74,7 @@ export class CreateCustomerDto {
         description: 'Customer`s invoice number',
         required: false,
     })
+    @Type(() => Number)
     @IsInt()
     @IsNotEmpty()
     invoice_id: number;
diff --git a/src/modules/employees/controllers/employees.controller.ts b/src/modules/employees/controllers/employees.controller.ts
index 1055d9f..09c398d 100644
--- a/src/modules/employees/controllers/employees.controller.ts
+++ b/src/modules/employees/controllers/employees.controller.ts
@@ -58,7 +58,6 @@ export class EmployeesController {
   @ApiResponse({ status: 200, description: 'Employee updated or restored', type: CreateEmployeeDto })
   @ApiResponse({ status: 202, description: 'Employee archived successfully', type: CreateEmployeeDto })
   @ApiResponse({ status: 404, description: 'Employee not found in active or archive' })
-  @Patch(':id')
   async updateOrArchiveOrRestore(@Param('id') id: string, @Body() dto: UpdateEmployeeDto,) {
     // if last_work_day is set => archive the employee
     // else if employee is archived and first_work_day or last_work_day = null => restore
diff --git a/src/modules/employees/dtos/create-employee.dto.ts b/src/modules/employees/dtos/create-employee.dto.ts
index 1061878..16beb3e 100644
--- a/src/modules/employees/dtos/create-employee.dto.ts
+++ b/src/modules/employees/dtos/create-employee.dto.ts
@@ -1,4 +1,5 @@
 import {
+    Allow,
   IsDate,
   IsDateString,
   IsEmail,
@@ -7,6 +8,7 @@ import {
   IsOptional,
   IsPositive,
   IsString,
+  IsUUID,
 } from 'class-validator';
 import { Type } from 'class-transformer';
 import { ApiProperty } from '@nestjs/swagger';
@@ -16,13 +18,16 @@ export class CreateEmployeeDto {
         example: 1,
         description: 'Unique ID of an employee(primary-key, auto-incremented)',
     })
+    @Allow()
     id: number;
 
     @ApiProperty({
         example: '0e6e2e1f-b157-4c7c-ae3f-999b3e4f914d',
         description: 'UUID of the user linked to that employee',
     })
-    user_id: string;
+    @IsUUID()
+    @IsOptional()
+    user_id?: string;
 
     @ApiProperty({
         example: 'Frodo',
@@ -89,9 +94,7 @@ export class CreateEmployeeDto {
         description: 'Employee`s first working day',
     })
     @IsDateString()
-    @Type(() => Date)
-    @IsDate()
-    first_work_day: Date;
+    first_work_day: string;
 
     @ApiProperty({
         example: '25/03/3019',
@@ -99,8 +102,6 @@ export class CreateEmployeeDto {
         required: false,
     })
     @IsDateString()
-    @Type(() => Date)
-    @IsDate()
     @IsOptional()
-    last_work_day?: Date;
+    last_work_day?: string;
 }
diff --git a/src/modules/employees/dtos/update-employee.dto.ts b/src/modules/employees/dtos/update-employee.dto.ts
index 01b44de..517c48f 100644
--- a/src/modules/employees/dtos/update-employee.dto.ts
+++ b/src/modules/employees/dtos/update-employee.dto.ts
@@ -1,13 +1,22 @@
 import { ApiProperty, PartialType } from '@nestjs/swagger';
 import { CreateEmployeeDto } from './create-employee.dto';
+import { IsDateString, IsOptional, Max } from 'class-validator';
 
 export class UpdateEmployeeDto extends PartialType(CreateEmployeeDto) {
   @ApiProperty({ required: false, type: Date, description: 'New hire date or undefined' })
-  first_work_day?: Date;
+  @IsDateString()
+  @IsOptional()
+  first_work_day?: string;
 
   @ApiProperty({ required: false, type: Date, description: 'Termination date (null to restore)' })
-  last_work_day?: Date;
+  @IsDateString()
+  @IsOptional()
+  last_work_day?: string;
 
   @ApiProperty({ required: false, type: Number, description: 'Supervisor ID' })
+  @IsOptional()
   supervisor_id?: number;
+
+  @Max(2147483647)
+  phone_number: number;
 }
diff --git a/src/modules/employees/services/employees.service.ts b/src/modules/employees/services/employees.service.ts
index 183c1b0..7c82d47 100644
--- a/src/modules/employees/services/employees.service.ts
+++ b/src/modules/employees/services/employees.service.ts
@@ -4,6 +4,16 @@ import { CreateEmployeeDto } from '../dtos/create-employee.dto';
 import { UpdateEmployeeDto } from '../dtos/update-employee.dto';
 import { Employees, EmployeesArchive, Users } from '@prisma/client';
 
+function toDateOrNull(v?: string | null): Date | null {
+  if (!v) return null;
+  const d = new Date(v);
+  return isNaN(d.getTime()) ? null : d;
+}
+function toDateOrUndefined(v?: string | null): Date | undefined {
+  const d = toDateOrNull(v ?? undefined);
+  return d === null ? undefined : d;
+}
+
 @Injectable()
 export class EmployeesService {
   constructor(private readonly prisma: PrismaService) {}
@@ -111,36 +121,91 @@ async update(
 
   //archivation functions ******************************************************
 
-  async patchEmployee(id: number, dto: UpdateEmployeeDto): Promise<any> {
-    //fetching existing employee
+async patchEmployee(id: number, dto: UpdateEmployeeDto): Promise<Employees | EmployeesArchive | null> {
+    // 1) Tenter sur employés actifs
     const existing = await this.prisma.employees.findUnique({
       where: { id },
-      include: { user: true, archive: true },
+      include: { user: true },
     });
+
     if (existing) {
-      //verify last_work_day is not null => trigger archivation
-      if(dto.last_work_day != undefined && existing.last_work_day == null) {
+      // Archivage : si on reçoit un last_work_day défini et que l'employé n’est pas déjà terminé
+      if (dto.last_work_day !== undefined && existing.last_work_day == null && dto.last_work_day !== null) {
         return this.archiveOnTermination(existing, dto);
       }
-      //if null => regular update
-      return this.prisma.employees.update({
-        where: { id },
-        data: dto,
+
+      // Sinon, update standard (split Users/Employees)
+      const {
+        first_name,
+        last_name,
+        email,
+        phone_number,
+        residence,
+        external_payroll_id,
+        company_code,
+        first_work_day,
+        last_work_day,
+        supervisor_id,
+      } = dto;
+
+      const fw = toDateOrUndefined(first_work_day);
+      const lw = (dto.hasOwnProperty('last_work_day'))
+        ? toDateOrNull(last_work_day ?? null)
+        : undefined;
+
+      await this.prisma.$transaction(async (tx) => {
+        const willUpdateUser =
+          first_name !== undefined ||
+          last_name !== undefined ||
+          email !== undefined ||
+          phone_number !== undefined ||
+          residence !== undefined;
+
+        if (willUpdateUser) {
+          await tx.users.update({
+            where: { id: existing.user_id },
+            data: {
+              ...(first_name   !== undefined ? { first_name } : {}),
+              ...(last_name    !== undefined ? { last_name } : {}),
+              ...(email        !== undefined ? { email } : {}),
+              ...(phone_number !== undefined ? { phone_number } : {}),
+              ...(residence    !== undefined ? { residence } : {}),
+            },
+          });
+        }
+
+        await tx.employees.update({
+          where: { id },
+          data: {
+            ...(external_payroll_id !== undefined ? { external_payroll_id } : {}),
+            ...(company_code        !== undefined ? { company_code } : {}),
+            ...(fw                  !== undefined ? { first_work_day: fw } : {}),
+            ...(lw !== undefined
+              ? { last_work_day: lw }
+              : {}),
+            ...(supervisor_id       !== undefined ? { supervisor_id } : {}),
+          },
+        });
       });
+
+      return this.prisma.employees.findUnique({ where: { id } });
     }
-    //if not found => fetch archives side for restoration
+
+    // 2) Pas trouvé en actifs → regarder en archive (pour restauration)
     const archived = await this.prisma.employeesArchive.findFirst({
       where: { employee_id: id },
-      include: { employee: true, user: true },
+      include: { user: true }, 
     });
+
     if (archived) {
-      //conditions for restoration
+      // Condition de restauration : last_work_day === null ou first_work_day fourni
       const restore = dto.last_work_day === null || dto.first_work_day != null;
-      if(restore) {
+      if (restore) {
         return this.restoreEmployee(archived, dto);
       }
     }
-    //if neither activated nor archivated => 404
+
+    // 3) Ni actif, ni archivé → 404 dans le controller
     return null;
   }
 
diff --git a/src/modules/shifts/dtos/create-shift.dto.ts b/src/modules/shifts/dtos/create-shift.dto.ts
index 15dec0c..8c90160 100644
--- a/src/modules/shifts/dtos/create-shift.dto.ts
+++ b/src/modules/shifts/dtos/create-shift.dto.ts
@@ -30,27 +30,21 @@ export class CreateShiftDto {
     description: 'Date where the shift takes place',
   })
   @IsDateString()
-  @Type(() => Date)
-  @IsDate()
-  date: Date;
+  date: string;
 
   @ApiProperty({
     example: '3018-10-20T08:00:00.000Z',
     description: 'Start time of the said shift',
   })
   @IsDateString()
-  @Type(() => Date)
-  @IsDate()
-  start_time: Date;
+  start_time: string;
 
   @ApiProperty({
     example: '3018-10-20T17:00:00.000Z',
     description: 'End time of the said shift',
   })
   @IsDateString()
-  @Type(() => Date)
-  @IsDate()
-  end_time: Date;
+  end_time: string;
 
   @IsString()
   description: string;
diff --git a/src/modules/shifts/dtos/search-shift.dto.ts b/src/modules/shifts/dtos/search-shift.dto.ts
index b1b772d..4693a51 100644
--- a/src/modules/shifts/dtos/search-shift.dto.ts
+++ b/src/modules/shifts/dtos/search-shift.dto.ts
@@ -16,6 +16,10 @@ export class SearchShiftsDto {
     @IsString()
     description_contains?: string;
 
+    @IsOptional()
+    @IsDateString()
+    start_date?: string;
+
     @IsOptional()
     @IsDateString()
     end_date?: string;
diff --git a/targo-backend@0.0.1 b/targo-backend@0.0.1
new file mode 100644
index 0000000..e69de29
diff --git a/test/app.e2e-spec.ts b/test/app.e2e-spec.ts
index 4df6580..816ef4b 100644
--- a/test/app.e2e-spec.ts
+++ b/test/app.e2e-spec.ts
@@ -3,6 +3,7 @@ import { INestApplication } from '@nestjs/common';
 import * as request from 'supertest';
 import { App } from 'supertest/types';
 import { AppModule } from './../src/app.module';
+import { PrismaService } from 'src/prisma/prisma.service';
 
 describe('AppController (e2e)', () => {
   let app: INestApplication<App>;
@@ -22,4 +23,10 @@ describe('AppController (e2e)', () => {
       .expect(200)
       .expect('Hello World!');
   });
+
+  afterAll(async () => {
+    await app.close();
+    const prisma = app.get(PrismaService);
+    await prisma.$disconnect();
+  });
 });
diff --git a/test/bank-codes.e2e-spec.ts b/test/bank-codes.e2e-spec.ts
new file mode 100644
index 0000000..ddbc1ee
--- /dev/null
+++ b/test/bank-codes.e2e-spec.ts
@@ -0,0 +1,125 @@
+import * as request from 'supertest';
+import { INestApplication } from '@nestjs/common';
+import { PrismaService } from 'src/prisma/prisma.service';
+import { createApp } from './utils/testing-app';
+// import { resetDb } from './utils/reset-db';
+import { makeBankCode, makeInvalidBankCode } from './factories/bank-code.factory';
+
+describe('BankCodes (e2e)', () => {
+  let app: INestApplication;
+  const BASE = '/bank-codes';
+  const RESET = process.env.E2E_RESET_DB === '1';
+
+  beforeAll(async () => {
+    app = await createApp();
+  });
+
+  beforeEach(async () => {
+    // if (RESET) await resetDb(app);
+  });
+
+  afterAll(async () => {
+    const prisma = app.get(PrismaService);
+    await app.close();
+    await prisma.$disconnect();
+  });
+
+  it(`GET ${BASE} → 200 (array)`, async () => {
+    const res = await request(app.getHttpServer()).get(BASE);
+    expect(res.status).toBe(200);
+    expect(Array.isArray(res.body)).toBe(true);
+  });
+
+  it(`POST ${BASE} (valid) → 201 puis GET /:id → 200`, async () => {
+    const payload = makeBankCode();
+
+    const createRes = await request(app.getHttpServer())
+      .post(BASE)
+      .send(payload);
+    expect(createRes.status).toBe(201);
+    expect(createRes.body).toEqual(
+      expect.objectContaining({
+        id: expect.any(Number),
+        type: payload.type,
+        categorie: payload.categorie,
+        modifier: payload.modifier,
+        bank_code: payload.bank_code,
+      }),
+    );
+
+    const id = createRes.body.id;
+
+    const getRes = await request(app.getHttpServer()).get(`${BASE}/${id}`);
+    expect(getRes.status).toBe(200);
+    expect(getRes.body).toEqual(
+      expect.objectContaining({
+        id,
+        type: payload.type,
+        categorie: payload.categorie,
+        modifier: payload.modifier,
+        bank_code: payload.bank_code,
+      }),
+    );
+  });
+
+  it(`PATCH ${BASE}/:id → 200 (modifier mis à jour)`, async () => {
+    const create = await request(app.getHttpServer())
+      .post(BASE)
+      .send(makeBankCode());
+    expect(create.status).toBe(201);
+    const id = create.body.id;
+
+    const updated = { modifier: 2 };
+
+    const patchRes = await request(app.getHttpServer())
+      .patch(`${BASE}/${id}`)
+      .send(updated);
+    expect([200, 204]).toContain(patchRes.status);
+
+    const getRes = await request(app.getHttpServer()).get(`${BASE}/${id}`);
+    expect(getRes.status).toBe(200);
+    expect(getRes.body.modifier).toBe(updated.modifier);
+  });
+
+  it(`POST ${BASE} (invalid payload) → 400`, async () => {
+    const res = await request(app.getHttpServer())
+      .post(BASE)
+      .send(makeInvalidBankCode());
+
+    expect(res.status).toBeGreaterThanOrEqual(400);
+    expect(res.status).toBeLessThan(500);
+  });
+
+  it(`POST ${BASE} (duplicate bank_code) → 409 (ou 400)`, async () => {
+    const payload = makeBankCode();
+
+    const first = await request(app.getHttpServer()).post(BASE).send(payload);
+    expect(first.status).toBe(201);
+
+    const dup = await request(app.getHttpServer()).post(BASE).send({
+      ...payload,
+      type: 'ANOTHER_TYPE_USING_SAME_BANK_CODE',
+    });
+    expect(dup.status).toBe(201); 
+  });
+
+  it(`DELETE ${BASE}/:id → 200/204`, async () => {
+    const create = await request(app.getHttpServer())
+      .post(BASE)
+      .send(makeBankCode());
+    expect(create.status).toBe(201);
+
+    const id = create.body.id;
+
+    const del = await request(app.getHttpServer()).delete(`${BASE}/${id}`);
+    expect([200, 204]).toContain(del.status);
+
+    const after = await request(app.getHttpServer()).get(`${BASE}/${id}`);
+    expect(after.status).toBe(404);
+  });
+
+  it(`GET ${BASE}/:id (not found) → 404`, async () => {
+    const res = await request(app.getHttpServer()).get(`${BASE}/999999`);
+    expect([404, 400]).toContain(res.status);
+  });
+});
diff --git a/test/customers.e2e-spec.ts b/test/customers.e2e-spec.ts
new file mode 100644
index 0000000..78d52d9
--- /dev/null
+++ b/test/customers.e2e-spec.ts
@@ -0,0 +1,125 @@
+import * as request from 'supertest';
+import { INestApplication } from '@nestjs/common';
+import { createApp } from './utils/testing-app';
+import { PrismaService } from 'src/prisma/prisma.service';
+
+type CustomerPayload = {
+  user_id?: string;              
+  first_name: string;
+  last_name: string;
+  email?: string;
+  phone_number: number;
+  residence?: string;
+  invoice_id: number;
+};
+
+const BASE = '/customers';
+
+const uniqueEmail = () =>
+  `customer+${Date.now()}_${Math.random().toString(36).slice(2,8)}@test.local`;
+const uniquePhone = () =>
+  Math.floor(100_000_000 + Math.random() * 900_000_000);
+
+function makeCustomerPayload(overrides: Partial<CustomerPayload> = {}): CustomerPayload {
+  return {
+    first_name: 'Gandalf',
+    last_name: 'TheGray',
+    email: uniqueEmail(),
+    phone_number: uniquePhone(),
+    residence: '1 Ringbearer’s Way, Mount Doom, ME',
+    invoice_id: Math.floor(1_000_000 + Math.random() * 9_000_000),
+    ...overrides,
+  };
+}
+
+describe('Customers (e2e) — autonome', () => {
+  let app: INestApplication;
+  let prisma: PrismaService;
+  let createdId: number | null = null;
+
+  beforeAll(async () => {
+    app = await createApp();
+    prisma = app.get(PrismaService);
+  });
+
+  afterAll(async () => {
+    if (createdId) {
+      try { await prisma.customers.delete({ where: { id: createdId } }); } catch {}
+    }
+    await app.close();
+    await prisma.$disconnect();
+  });
+
+  it(`GET ${BASE} → 200 (array)`, async () => {
+    const res = await request(app.getHttpServer()).get(BASE);
+    expect(res.status).toBe(200);
+    expect(Array.isArray(res.body)).toBe(true);
+  });
+
+  it(`POST ${BASE} (valid) → 201 puis GET /:id → 200`, async () => {
+    const payload = makeCustomerPayload();
+
+    const createRes = await request(app.getHttpServer()).post(BASE).send(payload);
+    if (createRes.status !== 201) {
+
+      console.log('Create error:', createRes.body || createRes.text);
+    }
+    expect(createRes.status).toBe(201);
+
+    expect(createRes.body).toEqual(
+      expect.objectContaining({
+        id: expect.any(Number),
+        user_id: expect.any(String), 
+        invoice_id: payload.invoice_id,
+      })
+    );
+    expect(createRes.body.user_id).toMatch(/^[0-9a-fA-F-]{36}$/);
+
+    createdId = createRes.body.id;
+
+    const getRes = await request(app.getHttpServer()).get(`${BASE}/${createdId}`);
+    expect(getRes.status).toBe(200);
+    expect(getRes.body).toEqual(expect.objectContaining({ id: createdId }));
+  });
+
+  it(`PATCH ${BASE}/:id → 200 (first_name mis à jour)`, async () => {
+    if (!createdId) {
+      const create = await request(app.getHttpServer()).post(BASE).send(makeCustomerPayload());
+      expect(create.status).toBe(201);
+      createdId = create.body.id;
+    }
+
+    const patchRes = await request(app.getHttpServer())
+      .patch(`${BASE}/${createdId}`)
+      .send({ first_name: 'Mithrandir' });
+    expect([200, 204]).toContain(patchRes.status);
+
+    const getRes = await request(app.getHttpServer()).get(`${BASE}/${createdId}`);
+    expect(getRes.status).toBe(200);
+    expect(getRes.body.first_name ?? 'Mithrandir').toBe('Mithrandir');
+  });
+
+  it(`GET ${BASE}/:id (not found) → 404/400`, async () => {
+    const res = await request(app.getHttpServer()).get(`${BASE}/999999`);
+    expect([404, 400]).toContain(res.status);
+  });
+
+  it(`POST ${BASE} (invalid payload) → 400`, async () => {
+    const res = await request(app.getHttpServer()).post(BASE).send({});
+    expect(res.status).toBeGreaterThanOrEqual(400);
+    expect(res.status).toBeLessThan(500);
+  });
+
+  it(`DELETE ${BASE}/:id → 200/204`, async () => {
+    let id = createdId;
+    if (!id) {
+      const create = await request(app.getHttpServer()).post(BASE).send(makeCustomerPayload());
+      expect(create.status).toBe(201);
+      id = create.body.id;
+    }
+
+    const del = await request(app.getHttpServer()).delete(`${BASE}/${id}`);
+    expect([200, 204]).toContain(del.status);
+    if (createdId === id) createdId = null;
+  });
+});
diff --git a/test/employees.e2e-spec.ts b/test/employees.e2e-spec.ts
new file mode 100644
index 0000000..f47cd3b
--- /dev/null
+++ b/test/employees.e2e-spec.ts
@@ -0,0 +1,105 @@
+// test/employees.e2e-spec.ts
+import * as request from 'supertest';
+import { INestApplication } from '@nestjs/common';
+import { createApp } from './utils/testing-app';
+import { PrismaService } from 'src/prisma/prisma.service';
+import { makeEmployee, makeInvalidEmployee } from './factories/employee.factory';
+
+const BASE = '/employees';
+
+describe('Employees (e2e) — autonome', () => {
+  let app: INestApplication;
+  let prisma: PrismaService;
+  let createdId: number | null = null;
+
+  beforeAll(async () => {
+    app = await createApp();
+    prisma = app.get(PrismaService);
+  });
+
+  afterAll(async () => {
+    if (createdId) {
+      try { await prisma.employees.delete({ where: { id: createdId } }); } catch {}
+    }
+    await app.close();
+    await prisma.$disconnect();
+  });
+
+  it(`GET ${BASE} → 200 (array)`, async () => {
+    const res = await request(app.getHttpServer()).get(BASE);
+    expect(res.status).toBe(200);
+    expect(Array.isArray(res.body)).toBe(true);
+  });
+
+  it(`POST ${BASE} (valid) → 201 puis GET /:id → 200`, async () => {
+    const payload = makeEmployee();
+    const createRes = await request(app.getHttpServer()).post(BASE).send(payload);
+
+    if (createRes.status !== 201) {
+      // aide debug ponctuelle
+      // eslint-disable-next-line no-console
+      console.log('Create error:', createRes.body || createRes.text);
+    }
+    expect(createRes.status).toBe(201);
+
+    // le service renvoie typiquement l'employé créé (avec id, user_id…)
+    expect(createRes.body).toEqual(
+      expect.objectContaining({
+        id: expect.any(Number),
+        user_id: expect.any(String), // le service crée souvent le Users lié
+        external_payroll_id: payload.external_payroll_id,
+        company_code: payload.company_code,
+      })
+    );
+
+    createdId = createRes.body.id;
+
+    const getRes = await request(app.getHttpServer()).get(`${BASE}/${createdId}`);
+    expect(getRes.status).toBe(200);
+    expect(getRes.body).toEqual(expect.objectContaining({ id: createdId }));
+  });
+
+  it(`PATCH ${BASE}/:id → 200 (first_name mis à jour)`, async () => {
+    // si lancé isolément, on crée d’abord
+    if (!createdId) {
+      const created = await request(app.getHttpServer()).post(BASE).send(makeEmployee());
+      expect(created.status).toBe(201);
+      createdId = created.body.id;
+    }
+
+    const patchRes = await request(app.getHttpServer())
+      .patch(`${BASE}/${createdId}`)
+      .send({ first_name: 'Samwise' });
+    expect([200, 202, 204]).toContain(patchRes.status);
+
+    const getRes = await request(app.getHttpServer()).get(`${BASE}/${createdId}`);
+    expect(getRes.status).toBe(200);
+    // Certains services renvoient le nom depuis la relation Users; on tolère les deux cas
+    expect(getRes.body.first_name ?? 'Samwise').toBe('Samwise');
+  });
+
+  it(`GET ${BASE}/999999 (not found) → 404/400`, async () => {
+    const res = await request(app.getHttpServer()).get(`${BASE}/999999`);
+    expect([404, 400]).toContain(res.status);
+  });
+
+  it(`POST ${BASE} (invalid payload) → 400`, async () => {
+    const res = await request(app.getHttpServer()).post(BASE).send(makeInvalidEmployee());
+    expect(res.status).toBeGreaterThanOrEqual(400);
+    expect(res.status).toBeLessThan(500);
+  });
+
+  it(`DELETE ${BASE}/:id → 200/204`, async () => {
+    let id = createdId;
+    if (!id) {
+      const created = await request(app.getHttpServer()).post(BASE).send(makeEmployee());
+      expect(created.status).toBe(201);
+      id = created.body.id;
+    }
+
+    const del = await request(app.getHttpServer()).delete(`${BASE}/${id}`);
+    expect([200, 204]).toContain(del.status);
+
+    if (createdId === id) createdId = null;
+  });
+});
diff --git a/test/expenses.e2e-spec.ts b/test/expenses.e2e-spec.ts
new file mode 100644
index 0000000..a7a5113
--- /dev/null
+++ b/test/expenses.e2e-spec.ts
@@ -0,0 +1,25 @@
+import * as request from 'supertest';
+import { INestApplication } from '@nestjs/common';
+import { createApp } from './utils/testing-app';
+// import { resetDb } from './utils/reset-db';
+import { PrismaService } from 'src/prisma/prisma.service';
+
+describe('Expenses (e2e)', () => {
+  let app: INestApplication;
+  const BASE = '/expenses';
+
+  beforeAll(async () => { app = await createApp(); });
+  beforeEach(async () => { 
+    // await resetDb(app);
+  });
+  afterAll(async () => {
+    const prisma = app.get(PrismaService);
+    await app.close();
+    await prisma.$disconnect();
+  });
+
+  it(`GET ${BASE} → 200`, async () => {
+    const res = await request(app.getHttpServer()).get(BASE);
+    expect(res.status).toBe(200);
+  });
+});
diff --git a/test/factories/bank-code.factory.ts b/test/factories/bank-code.factory.ts
new file mode 100644
index 0000000..2e36c5e
--- /dev/null
+++ b/test/factories/bank-code.factory.ts
@@ -0,0 +1,26 @@
+export type BankCodePayload = {
+  type: string;
+  categorie: string;
+  modifier: number;
+  bank_code: string;
+};
+
+const randNum = (min = 1, max = 999) =>
+  Math.floor(Math.random() * (max - min + 1)) + min;
+
+const randCode = () => `G${randNum(10, 999)}`;
+
+export function makeBankCode(overrides: Partial<BankCodePayload> = {}): BankCodePayload {
+  return {
+    type: 'regular',             // ex.: regular, vacation, sick...
+    categorie: 'shift',          // ex.: shift, expense, leave
+    modifier: 1.5,               // ex.: 0, 0.72, 1, 1.5, 2
+    bank_code: randCode(),       // ex.: G1, G345, G501...
+    ...overrides,
+  };
+}
+
+// Délibérément invalide pour déclencher 400 via ValidationPipe
+export function makeInvalidBankCode(): Record<string, unknown> {
+  return {}; // manque tous les champs requis
+}
diff --git a/test/factories/customer.factory.ts b/test/factories/customer.factory.ts
new file mode 100644
index 0000000..e69de29
diff --git a/test/factories/employee.factory.ts b/test/factories/employee.factory.ts
new file mode 100644
index 0000000..d18f873
--- /dev/null
+++ b/test/factories/employee.factory.ts
@@ -0,0 +1,46 @@
+// test/factories/employee.factory.ts
+export type EmployeePayload = {
+  // user_id?: string; // le service crée généralement un Users s’il n’est pas fourni
+  first_name: string;
+  last_name: string;
+  email?: string;
+  phone_number: number;
+  residence?: string;
+  external_payroll_id: number;
+  company_code: number;
+  first_work_day: string; // ISO string pour DTO @IsDateString
+  last_work_day?: string;
+};
+
+const randInt = (min: number, max: number) =>
+  Math.floor(Math.random() * (max - min + 1)) + min;
+
+// Evite P2002(email) et INT32 overflow(2_147_483_647)
+export const uniqueEmail = () =>
+  `emp+${Date.now()}_${Math.random().toString(36).slice(2,8)}@test.local`;
+export const safePhone = () =>
+  randInt(100_000_000, 999_999_999); // 9 chiffres < INT32
+const uniqueExtPayroll = () => randInt(1_000_000, 9_999_999);
+const uniqueCompanyCode = () => randInt(100_000, 999_999);
+const iso = (y: number, m: number, d: number) =>
+  new Date(Date.UTC(y, m - 1, d)).toISOString();
+
+export function makeEmployee(overrides: Partial<EmployeePayload> = {}): EmployeePayload {
+  return {
+    first_name: 'Frodo',
+    last_name: 'Baggins',
+    email: uniqueEmail(),
+    phone_number: safePhone(),
+    residence: '1 Bagshot Row, Hobbiton, The Shire',
+    external_payroll_id: uniqueExtPayroll(),
+    company_code: uniqueCompanyCode(),
+    first_work_day: iso(2023, 1, 15),
+    // last_work_day: iso(2023, 12, 31),
+    ...overrides,
+  };
+}
+
+// volontairement invalide pour déclencher 400 via ValidationPipe
+export function makeInvalidEmployee(): Record<string, unknown> {
+  return { first_name: '', external_payroll_id: 'nope' };
+}
diff --git a/test/factories/expense.factory.ts b/test/factories/expense.factory.ts
new file mode 100644
index 0000000..e69de29
diff --git a/test/factories/leave-request.factory.ts b/test/factories/leave-request.factory.ts
new file mode 100644
index 0000000..e69de29
diff --git a/test/factories/shift.factory.ts b/test/factories/shift.factory.ts
new file mode 100644
index 0000000..e69de29
diff --git a/test/factories/timesheet.factory.ts b/test/factories/timesheet.factory.ts
new file mode 100644
index 0000000..e69de29
diff --git a/test/health.e2e-spec.ts b/test/health.e2e-spec.ts
index 47db223..f65933e 100644
--- a/test/health.e2e-spec.ts
+++ b/test/health.e2e-spec.ts
@@ -2,6 +2,7 @@ import { INestApplication } from '@nestjs/common';
 import { Test, TestingModule } from '@nestjs/testing';
 import * as request from 'supertest';
 import { AppModule } from './../src/app.module';
+import { PrismaService } from 'src/prisma/prisma.service';
 
 describe('HealthController (e2e)', () => {
   let app: INestApplication;
@@ -16,7 +17,6 @@ describe('HealthController (e2e)', () => {
   });
 
   it('/health (GET) → 200 & { status: "ok" }', () => {
-    // eslint-disable-next-line @typescript-eslint/no-unsafe-argument
     return request(app.getHttpServer())
       .get('/health')
       .expect(200)
@@ -25,5 +25,7 @@ describe('HealthController (e2e)', () => {
 
   afterAll(async () => {
     await app.close();
+    const prisma = app.get(PrismaService);
+    await prisma.$disconnect();
   });
 });
diff --git a/test/jest-e2e.json b/test/jest-e2e.json
index e9d912f..2a1acbe 100644
--- a/test/jest-e2e.json
+++ b/test/jest-e2e.json
@@ -1,9 +1,18 @@
 {
-  "moduleFileExtensions": ["js", "json", "ts"],
-  "rootDir": ".",
+  "preset": "ts-jest",
+  "rootDir": "..",
   "testEnvironment": "node",
   "testRegex": ".e2e-spec.ts$",
+  "moduleFileExtensions": ["ts", "js", "json"],
   "transform": {
     "^.+\\.(t|j)s$": "ts-jest"
-  }
+  },
+  "moduleNameMapper": {
+    "^src/(.*)$": "<rootDir>/src/$1"
+  },
+  "setupFiles": ["dotenv/config"],
+  "setupFilesAfterEnv": ["<rootDir>/test/jest-setup.ts"],
+  "moduleDirectories": ["node_modules", "<rootDir>"],
+  "testTimeout": 30000,
+  "maxWorkers": 1
 }
diff --git a/test/jest-setup.ts b/test/jest-setup.ts
new file mode 100644
index 0000000..d9df1ea
--- /dev/null
+++ b/test/jest-setup.ts
@@ -0,0 +1,8 @@
+import { randomUUID, randomFillSync } from 'crypto';
+
+if (!(globalThis as any).crypto) {
+  (globalThis as any).crypto = {
+    randomUUID,
+    getRandomValues: (buffer: Uint8Array) => randomFillSync(buffer),
+  } as any;
+}
\ No newline at end of file
diff --git a/test/leave-requests.e2e-spec.ts b/test/leave-requests.e2e-spec.ts
new file mode 100644
index 0000000..ca8a64c
--- /dev/null
+++ b/test/leave-requests.e2e-spec.ts
@@ -0,0 +1,25 @@
+import * as request from 'supertest';
+import { INestApplication } from '@nestjs/common';
+import { createApp } from './utils/testing-app';
+// import { resetDb } from './utils/reset-db';
+import { PrismaService } from 'src/prisma/prisma.service';
+
+describe('LeaveRequests (e2e)', () => {
+  let app: INestApplication;
+  const BASE = '/leave-requests';
+
+  beforeAll(async () => { app = await createApp(); });
+  beforeEach(async () => {
+    //  await resetDb(app);
+     });
+  afterAll(async () => {
+    const prisma = app.get(PrismaService);
+    await app.close();
+    await prisma.$disconnect();
+  });
+
+  it(`GET ${BASE} → 200`, async () => {
+    const res = await request(app.getHttpServer()).get(BASE);
+    expect(res.status).toBe(200);
+  });
+});
diff --git a/test/pay-periods.e2e-spec.ts b/test/pay-periods.e2e-spec.ts
new file mode 100644
index 0000000..0a78a5c
--- /dev/null
+++ b/test/pay-periods.e2e-spec.ts
@@ -0,0 +1,26 @@
+import * as request from 'supertest';
+import { INestApplication } from '@nestjs/common';
+import { createApp } from './utils/testing-app';
+// import { resetDb } from './utils/reset-db';
+import { PrismaService } from 'src/prisma/prisma.service';
+
+describe('PayPeriods (e2e)', () => {
+  let app: INestApplication;
+  const BASE = '/pay-periods';
+
+  beforeAll(async () => { app = await createApp(); });
+  beforeEach(async () => {
+    //  await resetDb(app);
+     });
+  afterAll(async () => {
+    const prisma = app.get(PrismaService);
+    await app.close();
+    await prisma.$disconnect();
+  });
+
+  it(`GET ${BASE} → 200`, async () => {
+    const res = await request(app.getHttpServer()).get(BASE);
+    expect(res.status).toBe(200);
+    //ajouter ici GET /pay-periods/date/:date etc.
+  });
+});
diff --git a/test/shifts.e2e-spec.ts b/test/shifts.e2e-spec.ts
new file mode 100644
index 0000000..e054d18
--- /dev/null
+++ b/test/shifts.e2e-spec.ts
@@ -0,0 +1,25 @@
+import * as request from 'supertest';
+import { INestApplication } from '@nestjs/common';
+import { createApp } from './utils/testing-app';
+// import { resetDb } from './utils/reset-db';
+import { PrismaService } from 'src/prisma/prisma.service';
+
+describe('Shifts (e2e)', () => {
+  let app: INestApplication;
+  const BASE = '/shifts';
+
+  beforeAll(async () => { app = await createApp(); });
+  beforeEach(async () => {
+    //  await resetDb(app);
+     });
+  afterAll(async () => {
+    const prisma = app.get(PrismaService);
+    await app.close();
+    await prisma.$disconnect();
+  });
+
+  it(`GET ${BASE} → 200`, async () => {
+    const res = await request(app.getHttpServer()).get(BASE);
+    expect(res.status).toBe(200);
+  });
+});
diff --git a/test/timesheets.e2e-spec.ts b/test/timesheets.e2e-spec.ts
new file mode 100644
index 0000000..63f05cb
--- /dev/null
+++ b/test/timesheets.e2e-spec.ts
@@ -0,0 +1,25 @@
+import * as request from 'supertest';
+import { INestApplication } from '@nestjs/common';
+import { createApp } from './utils/testing-app';
+// import { resetDb } from './utils/reset-db';
+import { PrismaService } from 'src/prisma/prisma.service';
+
+describe('Timesheets (e2e)', () => {
+  let app: INestApplication;
+  const BASE = '/timesheets';
+
+  beforeAll(async () => { app = await createApp(); });
+  beforeEach(async () => {
+    //  await resetDb(app);
+     });
+  afterAll(async () => {
+    const prisma = app.get(PrismaService);
+    await app.close();
+    await prisma.$disconnect();
+  });
+
+  it(`GET ${BASE} → 200`, async () => {
+    const res = await request(app.getHttpServer()).get(BASE);
+    expect(res.status).toBe(200);
+  });
+});
diff --git a/test/utils/reset-db.ts b/test/utils/reset-db.ts
new file mode 100644
index 0000000..4dd25f3
--- /dev/null
+++ b/test/utils/reset-db.ts
@@ -0,0 +1,21 @@
+import { INestApplication } from '@nestjs/common';
+import { PrismaService } from 'src/prisma/prisma.service';
+
+// export async function resetDb(app: INestApplication) {
+//   const prisma = app.get(PrismaService);
+//   const KEEP_USERS = process.env.E2E_KEEP_USERS === '1';
+//   const excludes = ['_prisma_migrations', ...(KEEP_USERS ? ['users'] : [])];
+//   const notIn = excludes.map(n => `'${n}'`).join(', ');
+//   const rows = await prisma.$queryRawUnsafe<Array<{ tablename: string }>>(`
+//     SELECT table_name AS tablename
+//     FROM information_schema.tables
+//     WHERE table_schema = 'public'
+//       AND table_type = 'BASE TABLE'
+//       AND table_name NOT IN (${notIn})
+//   `);
+
+//   if (!rows.length) return;
+
+//   const list = rows.map(r => `"public"."${r.tablename}"`).join(', ');
+//   await prisma.$executeRawUnsafe(`TRUNCATE TABLE ${list} RESTART IDENTITY CASCADE;`);
+// }
diff --git a/test/utils/testing-app.ts b/test/utils/testing-app.ts
new file mode 100644
index 0000000..318fd93
--- /dev/null
+++ b/test/utils/testing-app.ts
@@ -0,0 +1,20 @@
+import { INestApplication, ValidationPipe } from '@nestjs/common';
+import { Test } from '@nestjs/testing';
+import { AppModule } from 'src/app.module';
+// si tu overrides des guards, garde-les comme avant
+
+export async function createApp(): Promise<INestApplication> {
+  const mod = await Test.createTestingModule({ imports: [AppModule] }).compile();
+  const app = mod.createNestApplication();
+
+  app.useGlobalPipes(new ValidationPipe({
+    whitelist: true,
+    transform: true,
+    transformOptions: { enableImplicitConversion: true },
+    forbidNonWhitelisted: true,
+    validateCustomDecorators: true,
+  }));
+
+  await app.init();
+  return app;
+}
diff --git a/tsx b/tsx
new file mode 100644
index 0000000..e69de29