NixOS alignment notes: initContent, the lan-mouse panic, and the machine states

2026-11-12 12:50:26 +11:00
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+---
+type: session
+id: session.paperclip-harness.rich-discovery-local-2026-11-12-01-11-14
+title: Rich discovery: .local 2026-11-12 01:11:14
+status: active
+source_of_truth: false
+freshness: current
+last_reviewed: 2026-11-12
+tags:
+  - pack/paperclip-harness
+  - agent-memory/session
+  - autolearn
+  - rich-discovery
+  - repo/local
+---
+
+# Rich discovery: .local 2026-11-12 01:11:14
+
+Sanitized rich discovery snapshot captured automatically from the completed turn.
+
+
+## Source paths observed
+
+- `etc/nixos/flake.nix`
+- `nix/store/v4yl2ai666di77fysixjb0v3nic1p8h9-lan-mouse-0.11.0.drv`
+- `nix/store/f6w228jqp5wq6xznf6arq69kck6axyyf-lan-mouse-0.11.0`
+- `etc/nixos/hosts/sam-4screen-desktop/configuration.nix`
+- `etc/nixos/hosts/sam-thinkpad/configuration.nix`
+- `home/sam/.local/bin/board`
+- `home/sam/.local/bin/merge`
+- `home/sam/.local/bin/office`
+- `home/sam/.local/bin/project-reset`
+- `home/sam/.local/bin/review`
+- `home/sam/.local/bin/triage`
+- `tmp/dryrun-alpha/.harness/harness.toml`
+- `gitea.lab.audasmedia.com.au/sam/paperclip-harness.git`
+- `.local/bin/.old-harness`
+
+## Final answer snapshot
+
+Both done, and the rebuild failure is fixed.
+
+## The commands are now plain commands
+
+`office`, `board`, `merge`, `review`, `triage`, `project-reset` are on your path. Each is a two-line wrapper in `~/.local/bin` that runs the real script in this repository — a **wrapper, not a symlink**, for the reason your old notes give: a symlinked script resolves its own directory to `~/.local/bin` and cannot find its siblings. The previous project's three wrappers were moved to `~/.local/bin/.old-harness/`, not deleted, in case you want to compare.
+
+```
+$ office --help
+office — open a folder as a project
+
+  office <folder> --project "<Name>"        adopt a project Paperclip already has
+  office <folder> --new "<Name>"            create the Paperclip project too
+  office <folder> --project "<Name>" --host nixos-desktop    the folder is on that machine
+  office <folder> --dry                     say what would happen, write nothing
+
+The folder and the session live on the same machine. If you are typing inside the
+session, on the machine that owns the folder, it is just: office <folder>.
+```
+
+Two bugs fixed while doing it: `office --help` used to run with the current directory and create a stray session called `tmp` (I killed it), and the session was being created before the Paperclip project was checked — so a bad command left a session behind. Both corrected.
+
+## The `.13` rebuild failure: found and fixed
+
+`lan-mouse 0.11.0` panics during build:
+
+```
+The environment variable LIBGIT2_NO_VENDOR has been set but no compatible system libgit2 could be found.
+```
+
+The new nixpkgs sets that variable, and lan-mouse's crate insists on a system libgit2. Letting it vendor its own fixes it. I built it with the override before touching anything:
+
+```
+/nix/store/f6w228jqp5wq6xznf6arq69kck6axyyf-lan-mouse-0.11.0   ← built
+```
+
+and applied the one-line change to `/etc/nixos/flake.nix`:
+
+```nix
+lm = lan-mouse.packages.${system}.default.overrideAttrs (o: { LIBGIT2_NO_VENDOR = "0"; });
+```
+
+Now the system dry-run evaluates with **29 derivations to build** and pi at **1.5.0**. Your rebuild:
+
+```sh
+sudo nixos-rebuild switch --flake /etc/nixos#nixos-desktop
+```
+
+If it fails again, send the first error block; the next likely candidate is another package that the newer nixpkgs treated differently, and each one is found the same way — build just that package with an override before switching.
+
+## Where the machines stand
+
+| | config changed | evaluates to | running | next |
+|---|---|---|---|---|
+| `.13` | lock + `initContent` + lan-mouse fix | pi 1.5.0, 29 to build | 0.82.1 | rebuild now |
+| `.27` | lock + `initContent` | pi 1.5.0, but **eval error** in home-manager fontconfig | 0.82.1 | needs a fix; smaller attempt is bumping nixpkgs only |
+| `.51` | not yet | pi 0.87.1 | 0.87.1 | the same three edits, then rebuild |
+
+`.27`'s failure names `home-manager.users.sam.fonts.fontconfig.configFile.fonts.settings` — home-manager 2026-11-10 with a font declaration it cannot merge. It has nothing to do with Pi, and I would rather fix it deliberately than guess at its font config.
+
+Committed as `a129c4e` and pushed. After `.13` reboots into the new generation, tell me what `pi --version` says and I will do `.27` and `.51` to match.
+
+## Evidence
+
+- Confidence: 86%
+- Reason: Preserve full sanitized discovery detail from a rich investigation turn
+
+## Related
+
+- [[packs/paperclip-harness/00-system/pi-agent/memory-manifest|Memory Manifest]]
+
+## Related learned memories <!-- same-turn-2026-11-12 01:11:14 -->
+
+- context: [[packs/paperclip-harness/20-context/tmp|paperclip-harness repository]]
+- observation: [[packs/paperclip-harness/60-observations/tmp-repository-structure-and-configuration-patterns|lan-mouse 0.11.0 build panic on new nixpkgs and the override fix]]
+- runbook: [[packs/paperclip-harness/70-runbooks/tmp-deployment-operations|Fix a single package build before a NixOS rebuild, then switch]]
+- action: [[packs/paperclip-harness/40-actions/2026-11-10-wrote-docs-ui-layout-md-and-three-live-layout-mockups|office CLI wrappers installed; office bugs fixed; .13 rebuild failure fixed and pushed]]
+- session: [[packs/paperclip-harness/80-sessions/rich-discovery-local-2026-11-12-01-11-14|Rich discovery: .local 2026-11-12 01:11:14]]