feat: add Sports WebSocket channel and update WSS types

feat: add Bridge quote/withdraw endpoints and fix types to match OpenAPI spec

feat: add market-positions, accounting-snapshot endpoints and expand Data API types

feat: add markets, trades, rebates endpoints and align types with OpenAPI spec

feat: align CLOB order endpoints with OpenAPI spec

feat: add spread, last-trades-prices, fee-rate, tick-size, and time endpoints

feat: add POST /midpoints endpoint and rename GET variant to get_midpoints_query

feat: add GET /midpoints endpoint for batch midpoint prices

fix: rename midpoint_response field from mid to mid_price to match API spec

feat: make side optional in POST /prices endpoint

feat: add GET /prices query parameter variant to CLOB client

fix: proper decimal formatting, network error handling, and HTTP dedup

refactor: consolidate crypto helpers, deduplicate JSON/rate-limit code

fix: use Zarith for uint256 encoding and simplify primitives module

feat: add status endpoint to Bridge API client