Cumulative Security Improvements

[jkyberneees]

No description provided.

[Copilot]

Pull Request Overview

This PR introduces comprehensive security improvements to the Bungate API Gateway, adding production-grade security features to protect against common web application vulnerabilities and modern threats.

Key Changes

• Added complete security module with TLS/HTTPS support, input validation, JWT key rotation, trusted proxy validation, and security headers
• Integrated security features into the gateway with automatic middleware application
• Enhanced load balancer with secure session management and trusted proxy support

Reviewed Changes

Copilot reviewed 47 out of 62 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
test/load-balancer/load-balancer.test.ts	Fixed method binding issue in session ID generation test
test/gateway/gateway-security.test.ts	New comprehensive security feature tests covering headers, size limits, and input validation
test/gateway/gateway-auth.test.ts	New authentication tests for JWT and API key auth with known limitations documented
test/e2e/security-middleware-order.test.ts	Tests verifying security middleware executes before custom middleware
test/e2e/hooks.test.ts	Added proper health checks to prevent race conditions in async tests
src/security/*	New security module with validation, TLS, sessions, headers, error handling, and utilities
src/load-balancer/http-load-balancer.ts	Integrated SessionManager and TrustedProxyValidator for secure session and IP handling
src/interfaces/*.ts	Added security configuration types to gateway and load balancer interfaces
src/gateway/gateway.ts	Integrated security middleware into gateway request pipeline with proper ordering
examples/*	New examples demonstrating TLS, validation, and security-hardened configurations
docs/*	Updated documentation website with security feature showcase

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