A `.stylua.toml` (Spaces/2, else stylua defaults) + a `stylua-system`
prek hook make Lua whitespace formatter-enforced (the repo had no Lua
formatter, so style was hand-maintained and drifted). Normalized the
three non-conformant files in passing. 21 nvim e2e specs still green.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
