fix(auth): add GuildPoolService mock to credits unit tests

Fix credits.service.spec and credits.controller.spec which failed
because CreditsService now depends on GuildPoolService. Add mock
provider and update useCredits → useCreditsWithSource references.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

services/mana-core-auth/src/credits/credits.controller.spec.ts

@@ -56,13 +56,10 @@ describe('CreditsController', () => {
 		const mockCreditsService = {
 			getBalance: jest.fn(),
 			useCredits: jest.fn(),
+			useCreditsWithSource: jest.fn(),
 			getTransactionHistory: jest.fn(),
 			getPurchaseHistory: jest.fn(),
 			getPackages: jest.fn(),
-			allocateCredits: jest.fn(),
-			getOrganizationBalance: jest.fn(),
-			getEmployeeCreditBalance: jest.fn(),
-			deductCredits: jest.fn(),
 		};
 
 		const module: TestingModule = await Test.createTestingModule({
@@ -142,12 +139,15 @@ describe('CreditsController', () => {
 					newBalance: 90,
 				};
 
-				creditsService.useCredits.mockResolvedValue(expectedResult as any);
+				creditsService.useCreditsWithSource.mockResolvedValue(expectedResult as any);
 
 				const result = await controller.useCredits(mockUser, useCreditsDto);
 
 				expect(result).toEqual(expectedResult);
-				expect(creditsService.useCredits).toHaveBeenCalledWith(mockUser.userId, useCreditsDto);
+				expect(creditsService.useCreditsWithSource).toHaveBeenCalledWith(
+					mockUser.userId,
+					useCreditsDto
+				);
 			});
 
 			it('should pass idempotency key for duplicate prevention', async () => {
@@ -159,11 +159,11 @@ describe('CreditsController', () => {
 					idempotencyKey,
 				});
 
-				creditsService.useCredits.mockResolvedValue({ success: true } as any);
+				creditsService.useCreditsWithSource.mockResolvedValue({ success: true } as any);
 
 				await controller.useCredits(mockUser, useCreditsDto);
 
-				expect(creditsService.useCredits).toHaveBeenCalledWith(
+				expect(creditsService.useCreditsWithSource).toHaveBeenCalledWith(
 					mockUser.userId,
 					expect.objectContaining({ idempotencyKey })
 				);
@@ -176,7 +176,7 @@ describe('CreditsController', () => {
 					description: 'Image generation',
 				});
 
-				creditsService.useCredits.mockRejectedValue(
+				creditsService.useCreditsWithSource.mockRejectedValue(
 					new BadRequestException('Insufficient credits')
 				);
 
@@ -197,11 +197,11 @@ describe('CreditsController', () => {
 					},
 				});
 
-				creditsService.useCredits.mockResolvedValue({ success: true } as any);
+				creditsService.useCreditsWithSource.mockResolvedValue({ success: true } as any);
 
 				await controller.useCredits(mockUser, useCreditsDto);
 
-				expect(creditsService.useCredits).toHaveBeenCalledWith(
+				expect(creditsService.useCreditsWithSource).toHaveBeenCalledWith(
 					mockUser.userId,
 					expect.objectContaining({
 						metadata: {

services/mana-core-auth/src/credits/credits.service.spec.ts

@@ -16,6 +16,7 @@ import { ConfigService } from '@nestjs/config';
 import { BadRequestException, NotFoundException, ConflictException } from '@nestjs/common';
 import { CreditsService } from './credits.service';
 import { StripeService } from '../stripe/stripe.service';
+import { GuildPoolService } from './guild-pool.service';
 import { createMockConfigService } from '../__tests__/utils/test-helpers';
 import {
 	mockUserFactory,
@@ -74,6 +75,17 @@ describe('CreditsService', () => {
 			handleWebhook: jest.fn(),
 		};
 
+		const mockGuildPoolService = {
+			initializeGuildPool: jest.fn(),
+			getGuildPoolBalance: jest.fn(),
+			fundGuildPool: jest.fn(),
+			useGuildCredits: jest.fn(),
+			getGuildTransactions: jest.fn(),
+			setSpendingLimit: jest.fn(),
+			getSpendingLimits: jest.fn(),
+			getMemberSpendingSummary: jest.fn(),
+		};
+
 		const module: TestingModule = await Test.createTestingModule({
 			providers: [
 				CreditsService,
@@ -85,6 +97,10 @@ describe('CreditsService', () => {
 					provide: StripeService,
 					useValue: mockStripeService,
 				},
+				{
+					provide: GuildPoolService,
+					useValue: mockGuildPoolService,
+				},
 			],
 		}).compile();
 

services/mana-core-auth/src/credits/credits.service.ts

@@ -23,7 +23,6 @@ export class CreditsService {
 		private configService: ConfigService,
 		@Inject(forwardRef(() => StripeService))
 		private stripeService: StripeService,
-		@Inject(forwardRef(() => GuildPoolService))
 		private guildPoolService: GuildPoolService
 	) {}