fix(defi): flatten src/defi/defi/ redundant nesting

.eslintrc.js

@@ -21,5 +21,16 @@ module.exports = {
     '@typescript-eslint/explicit-module-boundary-types': 'off',
     '@typescript-eslint/no-explicit-any': 'off',
     "@typescript-eslint/no-namespace": "off",
+    'no-restricted-imports': [
+      'warn',
+      {
+        patterns: [
+          {
+            group: ['../../*'],
+            message: 'Use src/ absolute imports instead of relative parent imports crossing module boundaries.',
+          },
+        ],
+      },
+    ],
   },
 };

src/app.module.ts

@@ -27,7 +27,7 @@ import { PortfolioModule } from "./investment/portfolio/portfolio.module";
 import { RiskManagementModule } from "./investment/risk-management/risk-management.module";
 
 // Modules – defi
-import { DeFiModule } from "./defi/defi/defi.module";
+import { DeFiModule } from "./defi/defi.module";
 
 // Modules – growth
 import { AlertsModule } from "./growth/alerts/alerts.module";
@@ -56,11 +56,11 @@ import { PerformanceMetric } from "./investment/portfolio/entities/performance-m
 import { BacktestResult } from "./investment/portfolio/entities/backtest-result.entity";
 
 // DeFi entities
-import { DeFiPosition } from "./defi/defi/entities/defi-position.entity";
-import { DeFiYieldRecord } from "./defi/defi/entities/defi-yield-record.entity";
-import { DeFiTransaction } from "./defi/defi/entities/defi-transaction.entity";
-import { DeFiYieldStrategy } from "./defi/defi/entities/defi-yield-strategy.entity";
-import { DeFiRiskAssessment } from "./defi/defi/entities/defi-risk-assessment.entity";
+import { DeFiPosition } from "./defi/entities/defi-position.entity";
+import { DeFiYieldRecord } from "./defi/entities/defi-yield-record.entity";
+import { DeFiTransaction } from "./defi/entities/defi-transaction.entity";
+import { DeFiYieldStrategy } from "./defi/entities/defi-yield-strategy.entity";
+import { DeFiRiskAssessment } from "./defi/entities/defi-risk-assessment.entity";
 
 // Alerts entities
 import { Alert } from "./growth/alerts/entities/alert.entity";

src/blockchain/oracle/oracle.controller.ts

@@ -12,7 +12,7 @@ import {
   Logger,
 } from "@nestjs/common";
 import { OracleService } from "./services/oracle.service";
-import { JwtAuthGuard } from "../../core/auth/jwt.guard";
+import { JwtAuthGuard } from "src/core/auth/jwt.guard";
 import { CreatePayloadDto } from "./dto/create-payload.dto";
 import { SignPayloadDto } from "./dto/sign-payload.dto";
 import { SubmitPayloadDto } from "./dto/submit-payload.dto";

src/blockchain/oracle/oracle.module.ts

@@ -10,7 +10,7 @@ import { SubmissionBatchService } from "./services/submission-batch.service";
 import { SubmissionVerifierService } from "./submission-verifier.service";
 import { SignedPayload } from "./entities/signed-payload.entity";
 import { SubmissionNonce } from "./entities/submission-nonce.entity";
-import { AuditModule } from "../../infrastructure/audit/audit.module";
+import { AuditModule } from "src/infrastructure/audit/audit.module";
 
 /**
  * Oracle Module

src/blockchain/oracle/submission-verifier.controller.ts

@@ -2,7 +2,7 @@
 
 import { Controller, Get, UseGuards } from "@nestjs/common";
 import { SubmissionVerifierService } from "./submission-verifier.service";
-import { AuditLogService } from "../../infrastructure/audit/audit-log.service";
+import { AuditLogService } from "src/infrastructure/audit/audit-log.service";
 
 @Controller("verifier")
 export class SubmissionVerifierController {

src/blockchain/oracle/submission-verifier.service.ts

@@ -1,7 +1,7 @@
 // src/oracle/submission-verifier.service.ts
 
 import { Injectable, Logger } from "@nestjs/common";
-import { AuditLogService } from "../../infrastructure/audit/audit-log.service";
+import { AuditLogService } from "src/infrastructure/audit/audit-log.service";
 
 interface OnChainSubmission {
   id: string;

src/common/guard/nonce.guard.spec.ts

@@ -2,7 +2,7 @@ import { Test, TestingModule } from '@nestjs/testing';
 import { ExecutionContext, ConflictException, BadRequestException } from '@nestjs/common';
 import { getRepositoryToken } from '@nestjs/typeorm';
 import { NonceGuard } from './nonce.guard';
-import { SubmissionNonce } from '../../blockchain/oracle/entities/submission-nonce.entity';
+import { SubmissionNonce } from 'src/blockchain/oracle/entities/submission-nonce.entity';
 
 const mockNonceRepository = {
   findOne: jest.fn(),

src/common/guard/nonce.guard.ts

@@ -6,7 +6,7 @@ import {
   BadRequestException,
 } from "@nestjs/common";
 import { InjectRepository } from "@nestjs/typeorm";
-import { SubmissionNonce } from "../../blockchain/oracle/entities/submission-nonce.entity";
+import { SubmissionNonce } from "src/blockchain/oracle/entities/submission-nonce.entity";
 import { Repository } from "typeorm";
 
 /**

src/common/guard/quota.guard.ts

@@ -11,7 +11,7 @@ import {
   RATE_LIMIT_KEY,
   RateLimitOptions,
 } from "../decorators/rate-limit.decorator";
-import { QUOTA_LEVELS, DEFAULT_QUOTA } from "../../config/quota.config";
+import { QUOTA_LEVELS, DEFAULT_QUOTA } from "src/config/quota.config";
 
 @Injectable()
 export class QuotaGuard implements CanActivate {

src/core/auth/auth.controller.ts

@@ -33,9 +33,9 @@ import { LinkWalletDto } from "./dto/link-wallet.dto";
 import { UnlinkWalletDto } from "./dto/unlink-wallet.dto";
 import { RecoverWalletDto } from "./dto/recover-wallet.dto";
 import { Throttle } from "@nestjs/throttler";
-import { SensitiveRateLimit } from "../../common/decorators/rate-limit.decorator";
-import { Roles, Role } from "../../common/decorators/roles.decorator";
-import { RolesGuard } from "../../common/guard/roles.guard";
+import { SensitiveRateLimit } from "src/common/decorators/rate-limit.decorator";
+import { Roles, Role } from "src/common/decorators/roles.decorator";
+import { RolesGuard } from "src/common/guard/roles.guard";
 
 export class RequestChallengeDto {
   @ApiProperty({

src/core/auth/enhanced-auth.service.ts

@@ -14,7 +14,7 @@ import { JwtService } from "@nestjs/jwt";
 import * as speakeasy from "speakeasy";
 import * as qrcode from "qrcode";
 import { EmailService } from "./email.service";
-import { User } from "../../core/user/entities/user.entity";
+import { User } from "src/core/user/entities/user.entity";
 import { RefreshToken, TwoFactorAuth, TwoFactorType, TwoFactorStatus } from "./entities/auth.entity";
 import { LoginDto, RegisterDto, RefreshTokenDto, TwoFactorVerifyDto } from "./dto/auth.dto";
 import { TwoFactorSetupDto } from "./dto/kyc.dto";

src/core/auth/entities/auth.entity.ts

@@ -8,7 +8,7 @@ import {
   JoinColumn,
   Index,
 } from "typeorm";
-import { User } from "../../user/entities/user.entity";
+import { User } from "src/core/user/entities/user.entity";
 
 @Entity("refresh_tokens")
 export class RefreshToken {

src/core/auth/entities/wallet.entity.ts

@@ -8,7 +8,7 @@ import {
   ManyToOne,
   JoinColumn,
 } from "typeorm";
-import { User } from "../../user/entities/user.entity";
+import { User } from "src/core/user/entities/user.entity";
 
 export enum WalletStatus {
   ACTIVE = "active",

src/core/auth/strategies/api-key/api-key.strategy.ts

@@ -15,7 +15,7 @@ import {
   AuthPayload,
   ApiKeyCredentials,
 } from "../interfaces/auth-strategy.interface";
-import { User } from "../../../user/entities/user.entity";
+import { User } from "src/core/user/entities/user.entity";
 
 /**
  * API Key metadata

src/core/auth/strategies/oauth/oauth.strategy.ts

@@ -14,7 +14,7 @@ import {
   AuthPayload,
   OAuthCredentials,
 } from "../interfaces/auth-strategy.interface";
-import { User } from "../../../user/entities/user.entity";
+import { User } from "src/core/user/entities/user.entity";
 
 /**
  * OAuth provider configuration

src/core/auth/strategies/traditional/traditional.strategy.ts

@@ -16,7 +16,7 @@ import {
   AuthPayload,
   TraditionalCredentials,
 } from "../interfaces/auth-strategy.interface";
-import { User } from "../../../user/entities/user.entity";
+import { User } from "src/core/user/entities/user.entity";
 
 /**
  * Traditional email/password authentication strategy

src/core/auth/strategies/wallet/wallet.strategy.ts

@@ -15,8 +15,8 @@ import {
   AuthPayload,
   WalletCredentials,
 } from "../interfaces/auth-strategy.interface";
-import { ChallengeService } from "../../challenge.service";
-import { User } from "../../../user/entities/user.entity";
+import { ChallengeService } from "src/core/auth/challenge.service";
+import { User } from "src/core/user/entities/user.entity";
 
 /**
  * Wallet-based authentication strategy

src/core/user/entities/user.entity.ts

@@ -9,8 +9,8 @@ import {
   ManyToOne,
   JoinColumn,
 } from "typeorm";
-import { ProvenanceRecord } from "../../../infrastructure/audit/entities/provenance-record.entity";
-import { Wallet } from "../../auth/entities/wallet.entity";
+import { ProvenanceRecord } from "src/infrastructure/audit/entities/provenance-record.entity";
+import { Wallet } from "src/core/auth/entities/wallet.entity";
 
 export enum UserRole {
   USER = "user",