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1b3efac | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | # ghostwriter computer app
Exported by REA's `export-desktop-application` from a capture of the `ghostwriter` package
(capture Evidence `ev_64d3e46e61948715f1e70b202e79d75e2ee7000678bd0d53216ba596ead216c7`). It was checked against agentenv-framework
0.9.1431.
- `envs/ghostwriter/` is a computer app on the `ubuntu-24.04` base with the `reference` driver, for
`amd64` and `arm64`. It installs `ghostwriter` from the distribution archive, launches `sh -c cd "$HOME" 2>/dev/null; exec 'ghostwriter' "$HOME"/'Documents/camping-trip.md'` at boot and is ready
when a window of class `ghostwriter` appears.
- At launch the app opens `~/Documents/camping-trip.md`, the seed's one document.
- Owned paths: `~/.local/share/ghostwriter`, `~/Documents`.
`data/get` returns their files and a typed JSON view of each; `data/reset` restores the seed.
- Seed: 18 file(s) made for the task, as saved at checkpoint `seed`.
Text files and dconf keys spell the capture host's name as `localhost`, `user@host` as `user@localhost`
and the home as `/home/user`, which the computer respells to its own at boot.
- Neither owned nor seeded, so the app starts without what it saved there: files changed during the capture in
`~/.config/QtProject.conf`.
To own them, capture again naming them with `state_paths` on `start_build_capture`, or `--state-path` on `capture-desktop-application`.
- Seeded as captured, though the app keeps them for its own running, so a stale one can change how it starts:
WebKit or Chromium storage `~/.local/share/ghostwriter/QtWebEngine/Default/Local Storage`, `~/.local/share/ghostwriter/QtWebEngine/Default/Network Persistent State`; caches `~/.local/share/ghostwriter/QtWebEngine/Default/GPUCache`.
- Left out of the seed: lock files the app holds while it runs, since a copied one can make it find its profile or document
in use and keep it from starting: `~/.local/share/ghostwriter/QtWebEngine/Default/Local Storage/leveldb/LOCK`, `~/.local/share/ghostwriter/QtWebEngine/Default/Platform Notifications/LOCK`.
- `tasks/smoke.json` deploys the app.
Run the task with `agent-env run <this folder>`, or only the deploy with `--task smoke`.
The seed was made for this task, not taken from a user's own data; read `envs/ghostwriter/seed/` before publishing the bundle.
## Task `add-water-filter`
`tasks/add-water-filter.json` deploys the app, has the agent work through the computer from the prompt below, and grades
the outcome with `artifacts/add-water-filter-check/verify.py`, which reads the app's `data/get` views and needs
no model. It grades once the app's files have held for 3 s, so a save the app makes on its own within that
time of the agent stopping counts; each result's `settled` is false when they were still changing 15 s after the
first read. `evals/ghostwriter.toml` names it, so a run of the bundle runs it.
> In ghostwriter, add Water filter to the Gear checklist in Documents/camping-trip.md and save it.
Checks, each of which must pass:
- `water-filter`: `{"kind":"lines_present","file":"Documents/camping-trip.md","lines":["- [ ] Water filter"]}`
- `added-once`: `{"kind":"line_count","file":"Documents/camping-trip.md","contains":"Water filter","equals":1}`
- `kept-items-near`: `{"kind":"lines_present","file":"Documents/camping-trip.md","lines":["- [ ] Camp stove","- [ ] Headlamps"]}`
- `kept-items-top`: `{"kind":"lines_present","file":"Documents/camping-trip.md","lines":["- [x] Tent","- [ ] Sleeping bags"]}`
REA kept the task because its checks fail on the seed (`water-filter`, `added-once`) and all
pass on the captured end state.
To measure a solve rate, run the task k times (3 by default) with the agent and model to measure, and count the runs
whose summary line says `passed`; a run that says `failed` did not finish and is run again rather than counted:
agent-env run <this folder> --task add-water-filter --agent claude-code --model MODEL
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