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

app/sentry.client.config.ts

@@ -0,0 +1,77 @@
+/**
+ * Sentry client-side configuration
+ * This file configures Sentry for client-side error tracking
+ */
+
+import * as Sentry from "@sentry/nextjs";
+
+const SENTRY_DSN = process.env.NEXT_PUBLIC_SENTRY_DSN;
+
+if (SENTRY_DSN && typeof window !== "undefined") {
+  Sentry.init({
+    dsn: SENTRY_DSN,
+    environment: process.env.NODE_ENV || "development",
+    
+    // Adjust this value in production, or use tracesSampler for greater control
+    tracesSampleRate: process.env.NODE_ENV === "production" ? 0.1 : 1.0,
+    
+    // Set sample rate for profiling
+    profilesSampleRate: process.env.NODE_ENV === "production" ? 0.1 : 1.0,
+    
+    // Filter out sensitive data
+    beforeSend(event, hint) {
+      // Don't send events in development
+      if (process.env.NODE_ENV === "development") {
+        return null;
+      }
+      
+      // Filter out sensitive information
+      if (event.request) {
+        // Remove sensitive headers
+        if (event.request.headers) {
+          delete event.request.headers["authorization"];
+          delete event.request.headers["cookie"];
+        }
+        
+        // Remove sensitive query params
+        if (event.request.query_string) {
+          const params = new URLSearchParams(event.request.query_string);
+          params.delete("apiKey");
+          params.delete("token");
+          event.request.query_string = params.toString();
+        }
+      }
+      
+      return event;
+    },
+    
+    // Ignore certain errors
+    ignoreErrors: [
+      // Browser extensions
+      "top.GLOBALS",
+      "originalCreateNotification",
+      "canvas.contentDocument",
+      "MyApp_RemoveAllHighlights",
+      "atomicFindClose",
+      // Network errors
+      "NetworkError",
+      "Failed to fetch",
+      "Network request failed",
+      // User cancellations
+      "User cancelled",
+    ],
+    
+    // Additional options
+    integrations: [
+      new Sentry.BrowserTracing({
+        // Set sampling rate
+        tracePropagationTargets: ["localhost", /^https:\/\/.*\.impersonator\.xyz/],
+      }),
+      new Sentry.Replay({
+        // Mask sensitive data
+        maskAllText: false,
+        maskAllInputs: true,
+      }),
+    ],
+  });
+}