pub fn cache_dir() -> Option<PathBuf>Expand description
Resolve the DevFlow cache directory. The ONLY env-reading function in
this module. Resolution order: DEVFLOW_CACHE_DIR (test/override hook),
then XDG_CACHE_HOME/devflow, then HOME/.cache/devflow. Returns None
when none of the three is set.
This workspace has no dirs crate and must not gain one
(23-RESEARCH.md Standard Stack: zero new dependencies).