EMPE-01: BFF прокси — новые роуты

Что сделать

Добавить прокси-роуты в Admin BFF для всех новых эндпоинтов BR 1.4.1. Чистый прокси без логики.

Создать/обновить файлы роутов, зарегистрировать в server.ts. Роуты:

Legal Details (2):

BFF	→ User Service
`GET /api/v1/admin/employees/:id/legal-details`	`GET /api/v1/employees/:id/legal-details`
`PUT /api/v1/admin/employees/:id/legal-details`	`PUT /api/v1/employees/:id/legal-details`

Shift Templates (4):

BFF	→ User Service
`GET /api/v1/admin/shift-templates`	`GET /api/v1/shift-templates`
`POST /api/v1/admin/shift-templates`	`POST /api/v1/shift-templates`
`PATCH /api/v1/admin/shift-templates/:id`	`PATCH /api/v1/shift-templates/:id`
`DELETE /api/v1/admin/shift-templates/:id`	`DELETE /api/v1/shift-templates/:id`

Schedules (4):

BFF	→ User Service
`GET /api/v1/admin/schedules`	`GET /api/v1/schedules`
`POST /api/v1/admin/schedules`	`POST /api/v1/schedules`
`PATCH /api/v1/admin/schedules/:id`	`PATCH /api/v1/schedules/:id`
`DELETE /api/v1/admin/schedules/:id`	`DELETE /api/v1/schedules/:id`

Shift Records (2):

BFF	→ User Service
`GET /api/v1/admin/shift-records`	`GET /api/v1/shift-records`
`POST /api/v1/admin/shift-corrections`	`POST /api/v1/shift-corrections`

Salary Formulas (5):

BFF	→ User Service
`GET /api/v1/admin/salary-formulas`	`GET /api/v1/salary-formulas`
`POST /api/v1/admin/salary-formulas`	`POST /api/v1/salary-formulas`
`PATCH /api/v1/admin/salary-formulas/:id`	`PATCH /api/v1/salary-formulas/:id`
`DELETE /api/v1/admin/salary-formulas/:id`	`DELETE /api/v1/salary-formulas/:id`
`GET /api/v1/admin/salary-formulas/employee/:employeeId`	`GET /api/v1/salary-formulas/employee/:employeeId`

Payroll (5):

BFF	→ User Service
`GET /api/v1/admin/payroll`	`GET /api/v1/payroll`
`POST /api/v1/admin/payroll/calculate`	`POST /api/v1/payroll/calculate`
`POST /api/v1/admin/payroll/:id/confirm`	`POST /api/v1/payroll/:id/confirm`
`POST /api/v1/admin/payroll/:id/mark-paid`	`POST /api/v1/payroll/:id/mark-paid`
`GET /api/v1/admin/payroll/export`	`GET /api/v1/payroll/export`

Dashboard (1):

BFF	→ User Service
`GET /api/v1/admin/dashboard/activity`	`GET /api/v1/dashboard/activity`

Итого: 23 роута (+ 1 export = 24 публичных эндпоинта). Все с preHandler: requireAuth.