.loop/ is in .gitignore but eight files were committed before the
ignore was added. Drop them from the index; keep them on disk.
Authored by Claude, lovingly guided by Zachery Aaron Shores-Chmielewski
The milestone-1 multi-crate representation stack overshot the goal.
Move it to archive/overcomplicated/ to keep for reference, and bring
the original single-package cstat back to /workspace as the active
codebase. Also commit demo_glossary.rs and ignore the build binary
plus .loop/.stash/.
Authored by Claude, lovingly guided by Zachery Aaron Shores-Chmielewski