feat: comprehensive project improvements and fixes

- Fix all TypeScript compilation errors (40+ fixes)
  - Add missing type definitions (TransactionRequest, SafeInfo)
  - Fix TransactionRequestStatus vs TransactionStatus confusion
  - Fix import paths and provider type issues
  - Fix test file errors and mock providers

- Implement comprehensive security features
  - AES-GCM encryption with PBKDF2 key derivation
  - Input validation and sanitization
  - Rate limiting and nonce management
  - Replay attack prevention
  - Access control and authorization

- Add comprehensive test suite
  - Integration tests for transaction flow
  - Security validation tests
  - Wallet management tests
  - Encryption and rate limiter tests
  - E2E tests with Playwright

- Add extensive documentation
  - 12 numbered guides (setup, development, API, security, etc.)
  - Security documentation and audit reports
  - Code review and testing reports
  - Project organization documentation

- Update dependencies
  - Update axios to latest version (security fix)
  - Update React types to v18
  - Fix peer dependency warnings

- Add development tooling
  - CI/CD workflows (GitHub Actions)
  - Pre-commit hooks (Husky)
  - Linting and formatting (Prettier, ESLint)
  - Security audit workflow
  - Performance benchmarking

- Reorganize project structure
  - Move reports to docs/reports/
  - Clean up root directory
  - Organize documentation

- Add new features
  - Smart wallet management (Gnosis Safe, ERC4337)
  - Transaction execution and approval workflows
  - Balance management and token support
  - Error boundary and monitoring (Sentry)

- Fix WalletConnect configuration
  - Handle missing projectId gracefully
  - Add environment variable template

package.json

@@ -7,7 +7,19 @@
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
-    "lint": "next lint"
+    "lint": "next lint",
+    "test": "jest",
+    "test:watch": "jest --watch",
+    "test:coverage": "jest --coverage",
+    "test:security": "jest __tests__/security.test.ts",
+    "test:integration": "jest __tests__/integration",
+    "test:all": "jest --coverage",
+    "test:e2e": "playwright test",
+    "test:e2e:ui": "playwright test --ui",
+    "test:e2e:debug": "playwright test --debug",
+    "benchmark": "node scripts/performance-benchmark.js",
+    "check:headers": "node scripts/check-security-headers.js",
+    "prepare": "husky install"
   },
   "dependencies": {
     "@chakra-ui/icons": "^1.1.7",
@@ -21,33 +33,46 @@
     "@fortawesome/react-fontawesome": "^0.2.2",
     "@rainbow-me/rainbowkit": "^1.3.7",
     "@reown/walletkit": "^1.0.0",
+    "@safe-global/safe-core-sdk": "^3.1.1",
+    "@safe-global/safe-ethers-lib": "^1.9.1",
+    "@safe-global/safe-service-client": "^2.0.3",
+    "@testing-library/jest-dom": "^6.9.1",
+    "@testing-library/react": "^16.3.1",
+    "@types/jest": "^30.0.0",
     "@types/node": "^17.0.10",
-    "@types/react": "^17.0.38",
-    "@types/react-dom": "^17.0.11",
+    "@types/react": "^18.3.27",
+    "@types/react-dom": "^18.3.7",
     "@walletconnect/client": "^1.8.0",
     "@walletconnect/core": "^2.16.2",
     "@walletconnect/legacy-types": "^2.0.0",
     "@walletconnect/types": "^2.16.2",
     "@walletconnect/utils": "^2.16.2",
-    "axios": "^0.24.0",
+    "axios": "^1.13.2",
     "blo": "^1.0.0",
     "chakra-react-select": "^4.4.3",
     "ethereum-checksum-address": "^0.0.6",
     "ethers": "^5.4.5",
     "evm-rpcs-list": "^2.2.0",
     "framer-motion": "^4",
+    "jest": "^30.2.0",
     "next": "^14.2.35",
     "react": "^18.2.0",
     "react-confetti": "^6.1.0",
     "react-dom": "^18.2.0",
     "react-scripts": "5.0.1",
     "react-simple-code-editor": "^0.11.0",
+    "ts-jest": "^29.4.6",
     "typescript": "5.0.4",
     "viem": "^1.11.1",
     "wagmi": "^1.4.2",
     "web-vitals": "^1.0.1"
   },
   "devDependencies": {
+    "@playwright/test": "^1.40.0",
+    "@sentry/nextjs": "^7.91.0",
+    "husky": "^8.0.3",
+    "jest-environment-jsdom": "^30.2.0",
+    "lint-staged": "^15.2.0",
     "pino-pretty": "^11.0.0"
   },
   "packageManager": "pnpm@9.12.0+sha512.4abf725084d7bcbafbd728bfc7bee61f2f791f977fd87542b3579dcb23504d170d46337945e4c66485cd12d588a0c0e570ed9c477e7ccdd8507cf05f3f92eaca"