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## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work > - Design explorations for the board UI are drawn as coded "directions labs": one page that shows what ships today next to numbered design directions, on every surface a feature appears. The artifact directions lab (#17213) is the first one, and it fed the Artifacts V1 work (#17228). > - That lab was built by hand. Each new lab would repeat the same plumbing: the URL state, the toolbar, the theme and animation toggles, the fetch stub, the frames, the capture script and the Storybook registration. > - Labs should also look and move the same way, so a shared link reads the same to everyone, and the design-proposals Storybook should be the place where every exploration is registered. > - This pull request adds the `directions-lab` agent skill. It asks how many directions and which surfaces, then a generator scaffolds a complete, verified lab in one command and registers it in the design-proposals Storybook. > - The benefit is that a designer gets a working lab with production next to the directions in minutes, and the agent spends its time on the drawing, not on the plumbing. ## Linked Issues or Issue Description Refs #17213 (the artifact directions lab, the precedent the templates were derived from) and #17228 (Artifacts V1, which shipped a direction from that lab). **Subsystem affected** Agent skills (`.agents/skills/`) for UI design work, the `ui/` Vite build, and the design-proposals section of the Storybook (`ui/storybook/stories/design-proposals/`). **Problem or motivation** A directions lab is the repo's way to compare design directions with production, but there is no repeatable way to make one. The artifact lab took many sessions of hand work, and a second lab would copy that work file by file and drift from the first. The animation details, the toggles and the Storybook metadata are easy to get wrong by hand. **Proposed solution** Add a skill that does the intake (two questions: how many directions, which surfaces) and a generator, `scripts/scaffold.mjs`, that writes a self-contained lab from templates derived from the artifact lab. The generator verifies the lab with the catalog check, the lab's tests and a Vite build, and removes everything again when a check fails. Every direction carries the V1 MVP hover motion verbatim, and a test in the skill fails when the precedent's motion block changes. **Alternatives considered** A shared runtime under `ui/src/directions-lab/` that every lab imports. It removes the per-lab copies, but it is product code under typecheck and a much larger change; it stays a follow-up. Instructions only, with no generator: the agent would rebuild the plumbing every time and the labs would drift. **Roadmap alignment** This fits the skills layer in `ROADMAP.md` (reusable procedures for agents). It does not change the Skills Manager, Skill Studio or the Skills Store, and it adds no product feature. ## What Changed - Add `.agents/skills/directions-lab/` with `SKILL.md`, `agents/openai.yaml` (Codex metadata) and the `.claude/skills/directions-lab` symlink, the same layout as the other repo skills. - Add `scripts/scaffold.mjs` with the subcommands `new`, `check`, `add-direction` and `list`, plus `scripts/lib/*`. - `new` renders in memory and refuses comment lines, files of 600 lines or more, and existing paths. - It then writes the lab, two `.claude/launch.json` entries and one `.gitignore` line. - It verifies the result, and rolls everything back on failure. - Add 34 templates under `assets/templates/` and the motion block `assets/motion/v1-mvp-motion.css`, derived from `ui/src/artifact-directions` at the commit recorded in `assets/PRECEDENT`. - A generated lab has: - an html entry and a Vite config; - a registry that the toolbar, keyboard digits, Board and capture script read at runtime; - a toolbar whose surfaces row is written only for a multi-surface lab; - a Today kit stub, one kit per direction with a motion specimen, five Vitest files and `shot.cjs`; - a design-proposals story with meta id `design-<slug>-directions` and a literal `parameters.paperclip` block (`status: "proposed"`, `home: "design-proposals"`). - Add ten references: - lab anatomy; - Today, fixtures, build and deploy; - the motion spec; - questions and defaults; - drawing phases; - design-proposals Storybook registration; - lifecycle; - repo gates; - the generator; - `canonical-directory.md`, the paste-ready governance diffs that would make the design-proposals section the source of truth. They are for a separate pull request and are not applied here. - Add three eval cases under `evals/`: a two-surface lab with three directions, a one-surface lab with two directions, and a terse brief that must make the skill ask how many directions. ## Verification - `node --test .agents/skills/directions-lab/scripts/scaffold.test.mjs`: 29 tests pass in under a second. The tests cover flag parsing, context derivation and refused inputs, ports, the write guards and the shared-file edits. They also render the three eval shapes into a temporary root, check the surfaces-row rule and the mode-B story status rule, and run the motion drift test against `ui/src/artifact-directions/directions/d5-v1-mvp/tokens.css`. - A real scaffold into this checkout at the branch head: ```sh node .agents/skills/directions-lab/scripts/scaffold.mjs new --slug prsmoke --title "PR smoke" --surfaces thread:Task-thread:960@tasks,panel:Right-panel:434@tasks --directions 3 ``` The built-in checks passed: `node scripts/storybook-catalog.mjs --check`, `npx vitest run src/prsmoke-directions` and the lab's Vite build. The lab was then removed, and `git status` shows only the skill. - Browser check on a scaffolded lab (composer, two surfaces, three directions), done earlier in the same session: - The toolbar shows both rows with Today last as `0.Today`, and the theme and animation toggles. - A hovered motion specimen computes `translateY(-6px)` on the front, and the backings turn ±5° from their resting angles with a 300 ms transition. - After pressing `a`, nothing moves. - `add-direction` and `check --json` were proven on a second scaffolded lab: the toolbar legend reads `0–3` from the registry without a hand edit. - The root Vitest run is unaffected: `vitest.config.ts` lists explicit projects, and `.agents` is not one of them. The skill tests with `node --test` like the sibling skills. - Not run: `pnpm -r typecheck`, `pnpm build` and `pnpm build-storybook`. This change adds only files under the git-ignored `.agents/` tree plus one symlink, and touches no product code. ## Risks Low risk. The pull request adds a skill and a symlink and changes no product code, no dependencies and no lockfile. A lab that someone later scaffolds lands under `ui/src/`, where `tsc -b` and `pnpm test` see it. The generator verifies each lab and rolls back on failure, so a half-written lab is not left behind. `/.agents/` is git-ignored, so later edits to the skill must be force-added (`git add -f`), as for the other repo skills. The templates are copies of the precedent. When the artifact lab changes, the skill's drift test fails until the templates are updated and `assets/PRECEDENT` is bumped. > For core feature work, check [`ROADMAP.md`](ROADMAP.md) first and discuss it in `#dev` before opening the PR. Feature PRs that overlap with planned core work may need to be redirected — check the roadmap first. See `CONTRIBUTING.md`. ## Model Used - Claude Fable 5.1 (Anthropic), model ID `claude-fable-5-1`, with extended thinking, for most of the work: mapping the precedent, the references, the generator design and implementation, and the proofs. Claude Opus 5.5 (Anthropic), model ID `claude-opus-5-5`, for the final cleanup and this pull request. Both ran in Claude Code with tool use (file edits, shell, the in-app browser) and multi-agent workflows for parallel mapping, judging and verification. ## Checklist - [x] I have included a thinking path that traces from project context to this change - [x] I have specified the model used (with version and capability details) - [x] I have checked ROADMAP.md and confirmed this PR does not duplicate planned core work - [x] I have searched GitHub for duplicate or related PRs and linked them above - [x] I have either (a) linked existing issues with `Fixes: #` / `Closes #` / `Refs #` OR (b) described the issue in-PR following the relevant issue template - [x] I have not referenced internal/instance-local Paperclip issues or links (only public GitHub `#NNN` / `github.com/paperclipai/paperclip` URLs) - [x] My branch name describes the change (e.g. `docs/...`, `fix/...`) and contains no internal Paperclip ticket id or instance-derived details - [x] I have run tests locally and they pass - [x] I have added or updated tests where applicable - [x] I have updated relevant documentation to reflect my changes - [x] I have considered and documented any risks above - [ ] All Paperclip CI gates are green - [ ] Greptile is 5/5 with no open P2s, recommendations, or follow-ups - [x] I will address all Greptile and reviewer comments before requesting merge 🤖 Generated with [Claude Code](https://claude.com/claude-code) --------- Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>