- Delete home/features.old/ (archived old flat feature modules)
- All content migrated to new profile-based structure
- Run alejandra formatter over 13 changed files
- nix flake check passes cleanly
matrix-nio is installed in the container's writable venv layer
(~/.venv) but the hermes process uses the read-only Nix store Python.
This adds PYTHONPATH and LD_LIBRARY_PATH as container-level env vars
so matrix-nio + libolm (e2e encryption) are importable.