Add WebSocket subscription restore tests after reconnection

Add async client mock server E2E tests — 34 tests covering full API surface

Add rate limiter E2E concurrency tests — throttling verified under load

Add rate limiter test suite — 9 tests: init, sync, async, concurrent

Add 9 TTLCache integration tests for AsyncClobClient

Document TTLCache integration in README: market data caching, performance table, comparison update

Integrate TTLCache into AsyncClobClient GET methods

Batch 5-6: examples, connection pool docs, type hints for async_client

Add integration tests, edge case coverage, and CI workflow

Add analytics, position tracking, logging, and config management

Add WebSocket client and rate limiter

Add proxy support, exception hierarchy, and dependency pinning

Add async client, retry logic, bug fixes, and modern packaging

fix: tick size cache (#272)

fix: rfq params cleanup (#243)