fix: resolve all CI issues - tests, turbo config, demo types

- Fix Turbo v2 config: rename 'pipeline' to 'tasks'
- Mock @prisma/client in test files (no generated client in CI)
- Export Item interface in demo app service
- All lint, typecheck, build, and test pass locally

Author: JonatanSalas

apps/demo/src/items/items.service.ts

@@ -2,7 +2,7 @@ import { Injectable } from '@nestjs/common';
 import { PrismaService } from '@bbv/nestjs-prisma';
 import { PaginationDto, PaginatedResponseDto, paginate } from '@bbv/nestjs-pagination';
 
-interface Item {
+export interface Item {
   id: string;
   name: string;
   description: string | null;

packages/nestjs-prisma/src/prisma.module.spec.ts

@@ -1,3 +1,12 @@
+jest.mock('@prisma/client', () => {
+  return {
+    PrismaClient: class MockPrismaClient {
+      $connect = jest.fn().mockResolvedValue(undefined);
+      $disconnect = jest.fn().mockResolvedValue(undefined);
+    },
+  };
+});
+
 import { Test, TestingModule } from '@nestjs/testing';
 import { PrismaModule } from './prisma.module';
 import { PrismaService } from './prisma.service';

packages/nestjs-prisma/src/prisma.service.spec.ts

@@ -1,3 +1,13 @@
+// Mock @prisma/client before importing anything
+jest.mock('@prisma/client', () => {
+  return {
+    PrismaClient: class MockPrismaClient {
+      $connect = jest.fn().mockResolvedValue(undefined);
+      $disconnect = jest.fn().mockResolvedValue(undefined);
+    },
+  };
+});
+
 import { Test, TestingModule } from '@nestjs/testing';
 import { PrismaService } from './prisma.service';
 
@@ -10,14 +20,6 @@ describe('PrismaService', () => {
     }).compile();
 
     service = module.get<PrismaService>(PrismaService);
-
-    // Mock the underlying PrismaClient methods to avoid real DB connections
-    jest.spyOn(service, '$connect').mockResolvedValue();
-    jest.spyOn(service, '$disconnect').mockResolvedValue();
-  });
-
-  afterEach(() => {
-    jest.restoreAllMocks();
   });
 
   it('should be defined', () => {

packages/nestjs-prisma/test/prisma.e2e-spec.ts

@@ -1,3 +1,12 @@
+jest.mock('@prisma/client', () => {
+  return {
+    PrismaClient: class MockPrismaClient {
+      $connect = jest.fn().mockResolvedValue(undefined);
+      $disconnect = jest.fn().mockResolvedValue(undefined);
+    },
+  };
+});
+
 import { Test, TestingModule } from '@nestjs/testing';
 import { INestApplication } from '@nestjs/common';
 import { PrismaModule } from '../src/prisma.module';

turbo.json

@@ -1,6 +1,6 @@
 {
   "$schema": "https://turbo.build/schema.json",
-  "pipeline": {
+  "tasks": {
     "lint": {},
     "typecheck": {
       "dependsOn": ["^build"]