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paperclip-harness/docs/ENVIRONMENT-FACTS.md

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# Facts about this machine, checked 2026-11-09
Everything here was measured with a command. Anything not measured is marked unproven.
## Paperclip
- Running locally: `http://127.0.0.1:3100`. Public UI: `https://paperclip.lab.audasmedia.com.au`.
- Company: `d4921013-e5da-4d88-8016-57d5746e2d03`
- Agents, all running the Pi adapter (`pi_local`), all idle:
- `Hub` — `108c6220-c9e1-4b62-9e0a-6a763e0d28fd` (this is the identity of `PAPERCLIP_API_KEY`)
- `Builder` — `403de1f7-645c-4d35-bc7e-19b01d77bacc`
- `Chief of Staff` — `232f1f9e-bac0-4185-8a0e-eddbead33e04`
- `Documenter` — `706ffc88-120f-46c4-a5d9-ffa12e2ad5f0`
- `researcher` — `a6a2c0ee-570e-4f89-a977-83136b534a2f`
- `System` — `fe7a1881-1df9-481b-af74-87292fef288c`
- Writes need the user key: `PAPERCLIP_BOARD_KEY`. The agent key `PAPERCLIP_API_KEY` is
refused with 403 outside a heartbeat run.
- Blockers live at `GET /api/issues/{id}/diagnostics/blockers`, **not** on the task list.
## The sandbox project
- `spike-2026-11-09` is **archived**: status `cancelled`, renamed
`spike-2026-11-09 (deleted)`, id `9e3f61f6-cce9-49b1-8083-3130345a04a5`.
- `DELETE /api/projects/{id}` returned 500, so it was archived instead. Its two tasks
(`AUD-157`, `AUD-158`) remain inside the archived project. **Deleting an archived project
is still untested.**
- Its scratch repo `/tmp/pc-sandbox` was removed.
- To make a fresh sandbox, use the payload recorded in `PAPERCLIP-API-NOTES.md`:
`POST /api/companies/{companyId}/projects` with `name`, `status: "backlog"` and
`workspace: { name, sourceType: "git_repo", cwd, isPrimary: true }`.
## Does a heartbeat wake an agent? PROVEN, 2026-11-10
It does, and the wake is not a timer. Assigning a task woke `Builder` within one tenth of
a second, with no call to `heartbeat/invoke`.
Measured on `spike-2026-11-10` / `AUD-159`:
```
00:01:24.891Z PATCH /api/issues/AUD-159 {"assigneeAgentId":"403de1f7-..."} -> 200 todo
00:01:24.937Z wake request recorded: source=assignment reason=issue_assigned
00:01:25.036Z run aae77e89-... claimed, adapter pi_local, issue -> in_progress
00:01:51.351Z agent comment posted (commit b093301)
00:01:53.153Z issue -> done
00:01:59.377Z run -> succeeded
```
So the four documented wake sources all reach an agent: a timer tick, an assignment or a
new comment on its own task, a person clicking wake, and a routine firing. The timer is
opt-in and is off for most agents; `Builder` currently has `heartbeat.enabled: true`, so
it also polls. Assignment alone is enough.
`POST /api/agents/{id}/heartbeat/invoke` was never needed and remains untested. The
documented manual wake is `POST /api/agents/{id}/wakeup` with
`{"source":"on_demand","triggerDetail":"manual","forceFreshSession":...}`.
A wake can still be refused without any error reaching us. Read
`GET /api/issues/{id}/diagnostics/wakes` — it shows each wake request, its claimed run,
and a plain-English diagnosis. Refusal reasons seen in the documentation: the agent is
paused, its budget is exhausted, its cooldown has not elapsed, or its run slot is full.
## Isolated workspaces: switched on 2026-11-10, and measured working
The instance first had them off. With the flags off, the project's request for a git
worktree per task was silently ignored: `AUD-159` worked in `/tmp/pc-sandbox-2026-11-10`
on `main`, and the task's `executionWorkspaceId` read `null`.
Then, with the person's approval, two experimental settings were switched on:
```
PATCH /api/instance/settings/experimental
{"enableIsolatedWorkspaces": true, "enableWorktreeRunExecution": true}
→ 200
```
`enableIsolatedWorkspacesByDefault` was deliberately **left off**. That flag would give
every project without a policy of its own a worktree, which would change the other nine
projects on this instance. Only projects that ask for one now get one.
The next task (`AUD-160`) made a real worktree, and Paperclip posted a "Workspace Ready"
comment on the task naming it:
```
strategy git_worktree
branch AUD-160-milestone-1-t2-read-hello-txt
cwd /tmp/pc-sandbox-2026-11-10/.paperclip/worktrees/AUD-160-milestone-1-t2-read-hello-txt
baseRef main
deliveryState merged_by_ancestry (no commit was needed; the branch equals main)
```
`git worktree list` in the sandbox repository shows that path on that branch. So the
worktree is Paperclip's job after all, once the instance allows it, and the terminal
program never needs to run `git worktree` itself.
## Fonts, 2026-11-10
Measured, because the answer was "I thought I had installed them":
- No Nerd Font was installed (`fc-list | grep -i nerd` returned nothing) and no JetBrains
Mono either. Ghostty ships a plain JetBrains Mono of its own, which is why a terminal can
look right while every icon renders as a box.
- Starship is **not installed**, and there is no `~/.config/starship.toml`.
- TUIOS has four glyph sets — `ascii`, `default`, `heavy`, `unicode` — and `default` is
active, which is ordinary Unicode, not Nerd Font icons.
- TUIOS has 30 themes including six Catppuccin variants, and **no look is applied**:
`tuios look show` says "No look is applied". The session is not on Catppuccin.
What was changed:
- `fonts.packages = [ nerd-fonts.jetbrains-mono ]` and `fonts.fontconfig.enable = true` in
`/etc/nixos/configuration.nix`, so every machine built from this flake gets it: `.13`,
`.27`, `.51`. `nix build --dry-run` evaluates and wants
`nerd-fonts-jetbrains-mono-3.4.0+2.304`. **The rebuild is still to be run** (`sudo`
needs a password here).
- `~/.config/ghostty/config` sets `font-family = "JetBrainsMono Nerd Font"`. Until the
rebuild, Ghostty falls back to its own font and nothing looks different.
## Toolchain
- **Go is installed** (2026-11-10), by `nix profile install nixpkgs#go` → `go1.26.5` at
`/home/sam/.nix-profile/bin/go`. That is the quick path: it works now, and it is not part
of the system closure.
- The durable path is also prepared: `go` and `gopls` were added to
`environment.systemPackages` in `/etc/nixos/configuration.nix`. `nix flake check` passes
and the dry-run build evaluates. **The rebuild has not been run**, because `sudo` needs a
password here. One command finishes it: `sudo nixos-rebuild switch --flake /etc/nixos#nixos-desktop`.
Until then the profile copy is what runs.
## The new repository
- Local git repo only, one commit, no remote. It is not on Gitea. Push it somewhere before
relying on it, or accept that only this machine has it.