Remove .codeflash/ from ruff extend-exclude, add per-file ignores
for .codeflash/, scripts/, evals/, and plugin/ (benchmark/script
patterns like print, eval, magic values). Remove shebangs. Widen
pre-commit hooks to check the full repo.
Add team member dimension to case study paths so multiple contributors
can track optimization data independently. Derives member from
git config user.name in session-start hooks.
- Move all case studies under .codeflash/krrt7/
- Rename pypa/pip → python/pip (org grouping)
- Update session-start hooks, docs, scripts, and references
