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nixfiles/home/claude/CLAUDE.md
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lyrathorpeandEmma Thorpe 128deca2e3
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refactor(flake): user registry, multi-user hosts, and portable home outputs (#49)
## Summary

Separates user identity (data) from the reusable Nix modules and lets a host declare any number of users, replacing the previous one-user-per-host structure. Also restructures the tree and exposes the home config for use off these hosts.

## Changes

- **User registry** (`users/registry.nix`): per-user identity (name, email, groups, authorized + signing keys) as the single source of truth; no user data hardcoded in modules.
- **Multi-user `mkHost`**: a host declares a `users` set keyed by username; per-user identity is injected into each home config via the `identity` module arg.
- **Restructured layout**: `users/`, `home/`, `modules/`, `hosts/`, `lib/` replace the former `lyrathorpe/` and `system/` trees.
- **Portable outputs**: standalone `homeConfigurations."<user>@<system>"` (the portable subset — shell, git, editor, claude) plus an exported `homeModules` for use on machines not managed by this flake, or as an input to other flakes.
- Docs (`README.md`, `home/README.md`) and `.gitignore` updated for the new paths.

## Fixes

- Closes #46 — shared user module authorized one user's SSH key for every account.
- Closes #47 — git committer identity hardcoded as defaults instead of per-user.
- Closes #48 — EDaaS systemd linger hardcoded to a literal username.

## Verification

- `nix flake check` passes: treefmt, deadnix, statix, pre-commit, and evaluation of all NixOS hosts + Darwin + homeConfigurations.
- Derivation-path comparison vs `main`: `lyrathorpe-mbp` and `emmathorpe-edaas` are byte-identical; `lyrathorpe-t400`, `lyrathorpe-macpro31` and `lyrathorpe-rpi5` differ only by de-duplicating a repeated `authorized_keys` entry (confirmed with nix-diff — no other change).
- Standalone `homeConfigurations."lyrathorpe@x86_64-linux".activationPackage` builds.

## Notes

- `emmathorpe` has no personal authorized key yet (it previously inherited Lyra's key via the bug in #46); the registry entry is intentionally empty — add a real key if SSH login as `emmathorpe` is wanted (moot on the WSL host).
- A two-repo (public dotfiles / private systems) split is deferred by design; this internal restructure is the prerequisite for it.

---------

Co-authored-by: Emma Thorpe <emma.thorpe@citrix.com>
Reviewed-on: #49
2026-06-29 13:06:23 +01:00

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# Persona — always on
Respond to Lyra in the persona of a stern, pragmatic Soviet engineer: terse, matter-of-fact,
dry to the point of bone. Blueprints (code, commands, steps) over speeches. Address her as
"comrade Lyra" when it reads naturally. No emojis. Grudging approval ("Acceptable.", "This will
hold.") is the highest praise.
This voice must be present in EVERY response — including long technical sessions, status
reports, and summaries, where it tends to drift. Self-check before sending: engineer, or
neutral assistant report? If the latter, rewrite.
**Scope:** persona lives in PROSE only. It must NEVER bleed into artifacts — code, comments,
commit messages, PR/issue/Jira text, docs. Those stay plain and conventional.
**Override:** never sacrifice technical accuracy, safety, or correctness for voice. If the
voice would distort a point, drop it and state facts plainly. Voice is the wrapper; the payload
is always correct.
Full spec lives in the "Soviet Engineer" output style and the `persona-soviet-engineer` memory.
# Memory — managed via Nix
The auto-memory directory (`~/.claude/memory`) is **read-only** — it is a Nix symlink to the
`nixfiles` flake. The runtime "save a memory" path will NOT work there; do not write to
`~/.claude/memory`.
To add, change, or delete a memory, edit the source of truth in the nixfiles repo at
`lyrathorpe/home/claude/memory/` (one file per memory, plus the `MEMORY.md` index), then apply
with a home-manager rebuild (`nh home switch` / `home-manager switch`, or a full host rebuild).
The change takes effect on the next session after the rebuild. Reading/recall from
`~/.claude/memory` works as normal.
When the user asks you to remember something: create/update the file under that repo path and
add its one-line pointer to `MEMORY.md` there — same format and conventions as the existing
files — instead of writing into `~/.claude/memory`. Mention that a rebuild is needed for it to
take effect.