.gitattributes

# CTP large binary files — use Git LFS if available
bt_api_py/ctp/ctp_wrap.cpp filter=lfs diff=lfs merge=lfs -text
bt_api_py/ctp/api/**/*.so filter=lfs diff=lfs merge=lfs -text
bt_api_py/ctp/api/**/*.dll filter=lfs diff=lfs merge=lfs -text
bt_api_py/ctp/api/**/*.lib filter=lfs diff=lfs merge=lfs -text
bt_api_py/ctp/api/**/thostmduserapi_se filter=lfs diff=lfs merge=lfs -text
bt_api_py/ctp/api/**/thosttraderapi_se filter=lfs diff=lfs merge=lfs -text
bt_api_py/ctp/**/thostmduserapi_se filter=lfs diff=lfs merge=lfs -text
bt_api_py/ctp/**/thosttraderapi_se filter=lfs diff=lfs merge=lfs -text

# Windows batch files must be CRLF in the working tree: cmd.exe mis-parses LF-only
# files that contain multi-line `if (...)` blocks. Blobs stay LF (git's default),
# so this no longer depends on each machine's core.autocrlf setting.
*.bat text eol=crlf