OKX strategy research and live execution tooling

lxy 4b8a75a214 fix: tighten okx client boundaries		3 月之前
okx_codex_trader	4b8a75a214 fix: tighten okx client boundaries	3 月之前
tests	4b8a75a214 fix: tighten okx client boundaries	3 月之前
README.md	3f94692dec chore: scaffold okx codex trader project	3 月之前
pyproject.toml	3f94692dec chore: scaffold okx codex trader project	3 月之前

okx-codex-trader

Minimal project skeleton for the OKX Codex Trader demo CLI.