refactor: 用 ruff + basedpyright 替代 black/flake8/isort/mypy 进行代码质量检查

Refactor SQL queries in cwc.py to use parameterized statements for improved security and maintainability

fix: 更新 Python 类型检查模式为 'off' 以禁用类型检查

chore: 删除不必要的文件 __init__.py

feat: 添加行结束符约定配置到项目设置

chore: 更新版本号至 0.10.12 并修改日期为 20260308

fix: 修复 show_cumulative_returns 函数以处理 NaN 值并确保累计收益计算正确

feat: 更新 plot_long_short_comparison 函数以支持多个图例并添加测试用例

feat: 添加 plot_czsc_chart 函数支持并更新相关模块

Merge branch 'master' of https://github.com/waditu/czsc

feat: add support for read-only memory patterns in project configuration

Merge pull request #281 from waditu/copilot/fix-submodule-pyi-issue

feat: add .pyi stub files for all czsc submodules

Initial plan

Merge pull request #279 from waditu/copilot/remove-python-weightbacktest