feat: rewire entry point to new architecture

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

src/interfaces/http/middleware/rate-limit.ts

@@ -0,0 +1 @@
+export { withRateLimit, cleanupRateLimitCache, checkRateLimit, clearRateLimitCache, getRateLimitStats } from '../../../utils/rateLimit';