| # Pencil2D computer app |
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|
| Exported by REA's `export-desktop-application` from a capture of the `pencil2d` package |
| (capture Evidence `ev_a0b3c0a8a390f407a387bf3f067af9329627bb107a646980d40e536016c6791d`). It was checked against agentenv-framework |
| 0.9.1431. |
|
|
| - `envs/pencil2d/` is a computer app on the `ubuntu-24.04` base with the `reference` driver, for |
| `amd64` and `arm64`. It installs `pencil2d` from the distribution archive, launches `sh -c cd "$HOME" 2>/dev/null; exec 'pencil2d' "$HOME"/'Documents/bounce.pclx'` at boot and is ready |
| when a window of class `Pencil2D` appears. |
| - At launch the app opens `~/Documents/bounce.pclx`, the seed's one document. |
| - Owned paths: `~/Documents`. |
| `data/get` returns their files and a typed JSON view of each; `data/reset` restores the seed. |
| - Seed: 1 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: these files or folders, which changed |
| during the capture, `~/.config/Pencil`, `~/.config/QtProject.conf`. |
| To own them, capture again naming them with `state_paths` on `start_build_capture`, or `--state-path` on `capture-desktop-application`. |
| - `tasks/smoke.json` deploys the app. |
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| Run the task with `agent-env run <this folder>`, or only the deploy with `--task smoke`. |
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| The seed was made for this task, not taken from a user's own data; read `envs/pencil2d/seed/` before publishing the bundle. |
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| ## Task `rename-ball-layer` |
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| `tasks/rename-ball-layer.json` deploys the app, has the agent work through the computer from the prompt below, and grades |
| the outcome with `artifacts/rename-ball-layer-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/pencil2d.toml` names it, so a run of the bundle runs it. |
|
|
| > In Pencil2D, rename the "Bitmap Layer" layer of my bouncing ball animation in Documents/bounce.pclx to Ball and save it. |
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| Checks, each of which must pass: |
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| - `layer-renamed`: `{"kind":"value_equals","file":"Documents/bounce.pclx","pointer":"/entries/[name=main.xml]/view/root/children/[name=object]/children/[name=layer][@id=3]/attributes/name","value":"Ball"}` |
| - `old-name-gone`: `{"kind":"value_absent","file":"Documents/bounce.pclx","pointer":"/entries/[name=main.xml]/view/root/children/[name=object]/children/[name=layer][@name=Bitmap Layer]"}` |
| - `ground-kept`: `{"kind":"value_equals","file":"Documents/bounce.pclx","pointer":"/entries/[name=main.xml]/view/root/children/[name=object]/children/[name=layer][@id=4]/attributes/name","value":"Ground"}` |
| - `bitmap-layer-count`: `{"kind":"member_count","file":"Documents/bounce.pclx","pointer":"/entries/[name=main.xml]/view/root/children/[name=object]/children","matching":"[name=layer][@type=1]","equals":2}` |
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| REA kept the task because its checks fail on the seed (`layer-renamed`, `old-name-gone`) and all |
| pass on the captured end state. |
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| 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: |
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| agent-env run <this folder> --task rename-ball-layer --agent claude-code --model MODEL |
| |
