refactor(data): split @adobe/data-testing into its own package

package.json

@@ -1,6 +1,6 @@
 {
   "name": "data-monorepo",
-  "version": "0.9.95",
+  "version": "0.9.96",
   "private": true,
   "engines": {
     "node": ">=24"

packages/data-ai/.claude-plugin/plugin.json

@@ -1,6 +1,6 @@
 {
   "name": "adobe-data-ai",
-  "version": "0.9.95",
+  "version": "0.9.96",
   "description": "Architecture skills for @adobe/data — data-oriented modelling, archetype iteration, hot-path performance, and related conventions.",
   "author": {
     "name": "Adobe"

packages/data-ai/.claude/rules/features/data/state.md

@@ -48,7 +48,7 @@ export const transitions = import.meta.glob<Record<string, unknown>>(
 It stays **out of `public.js`** deliberately: unlike `create`/`samples` (plain
 prod-safe values), `transitions` is the test-case graph — hanging it on `State`
 would drag `import.meta.glob` (a Vite-only construct) and every `cases` fixture
-(fake services, matchers, the whole `@adobe/data/testing` module) into every
+(fake services, matchers, the whole `@adobe/data-testing` module) into every
 production import of `State`, none of which tree-shakes off a live namespace
 re-export. So `create`/`samples` earn a namespace slot; `transitions` is a test
 concern the tests import directly.
@@ -73,15 +73,17 @@ centrally by the shared driver's barrel-driven guard rather than by eyeballing
 one test file per transform — and genuine non-transition helpers still keep
 their own `*.test.ts` (see below).
 
-The case types, matchers, and runners all live in the shared
-**`@adobe/data/testing`** module (two namespaces, `Match` and `Conformance`;
-`vitest` is an *optional* peer dependency, already satisfied here). Only one
-tiny per-feature file remains — a ~10-line alias, `conformance-case.ts`, that
-binds `State` once so transform/derivation files can write a one-parameter type:
+The case types, matchers, and runners all live in the separate
+**`@adobe/data-testing`** package (two namespaces, `Match` and `Conformance`) —
+kept out of `@adobe/data` itself so installing `@adobe/data` never pulls in a
+`vitest` peer dependency; add `@adobe/data-testing` as a devDependency alongside
+`vitest`, its optional peer dependency. Only one tiny per-feature file remains —
+a ~10-line alias, `conformance-case.ts`, that binds `State` once so
+transform/derivation files can write a one-parameter type:
 
 ```ts
 // data/state/conformance-case.ts — the only per-feature conformance declaration
-import { Conformance as ConformanceApi } from "@adobe/data/testing";
+import { Conformance as ConformanceApi } from "@adobe/data-testing";
 import type { State } from "./state.js";
 export type Conformance<F extends (...args: never[]) => unknown> = ConformanceApi.Cases<State, F>;
 export type Derivation<F extends (...args: never[]) => unknown> = ConformanceApi.DerivationCases<F>;
@@ -93,7 +95,7 @@ export const entity = ConformanceApi.entity;
 
 ```ts
 // create-todo.ts
-import { Match } from "@adobe/data/testing";
+import { Match } from "@adobe/data-testing";
 import type { Conformance } from "./conformance-case.js"; // the thin per-feature alias above
 export const createTodo = (
     state: Pick<State, "todos">,
@@ -141,7 +143,7 @@ export const cases: Conformance<typeof createTodo> = [
   is the default and stays unchanged. (A full `before`/`after` still works — it just
   overrides the default wholesale.)
 - **`after` leaves minted values open** with the shared matchers `Match.anyNumber`
-  / `Match.anyString`, imported from `@adobe/data/testing` — there is **no**
+  / `Match.anyString`, imported from `@adobe/data-testing` — there is **no**
   per-feature `matchers.ts` anymore. An id the ECS assigns from its own id-space is
   `id: Match.anyNumber`, so the pure spec and the ECS satisfy the same case — match
   by content, not by the value you don't control. `Match` is framework-agnostic and
@@ -154,7 +156,7 @@ export const cases: Conformance<typeof createTodo> = [
   case does not pin at all; `ref` for one that must be consistent across the case.
 - **Entity-addressed cases use `entity(specId)`.** A transition that addresses an
   entity by id writes it as `args: { id: entity(2) }` — `entity` imported from the
-  feature's `conformance-case.ts` (re-exported from `@adobe/data/testing`). It types
+  feature's `conformance-case.ts` (re-exported from `@adobe/data-testing`). It types
   as the id it stands for (like `Match.anyNumber`), so it slots into the transform's
   own arg type. `runSpec` unwraps it to the plain data-id for the pure side; the ECS
   runners resolve it to the seeded entity (see `conformance.md`).
@@ -170,7 +172,7 @@ export const cases: Conformance<typeof createTodo> = [
   There is no per-feature `expect-state-matches.ts`, `record-effects.ts`,
   `expect-conforms.ts`, or `conformance-case.type-test.ts` — those are gone; the
   shared driver owns comparison, effect recording, and name-based auto-pairing, and
-  the `Effects` type-test now lives once in `@adobe/data/testing`. A genuine **non-transition helper** in
+  the `Effects` type-test now lives once in `@adobe/data-testing`. A genuine **non-transition helper** in
   `state/` — a `create()` constructor, a single-field predicate — has no `cases`
   and isn't a `(state,args)=>state` transform, so `runSpec` skips it: **keep its own
   sibling `*.test.ts`** rather than deleting it and losing coverage.

packages/data-ai/.claude/rules/features/services/main-service/computed.md

@@ -25,7 +25,7 @@ full-state projection and re-runs on *any* field change (fine for a small featur
 wasteful on a large or hot one, where you hand-wire the minimal resource/index
 reads instead). A derivation takes **no services**, so its co-located `cases` are
 inert `{ input, value }` data (no test-doubles) that tree-shake out of the app
-build (they reference the `@adobe/data/testing` matchers only, and that module is
+build (they reference the `@adobe/data-testing` matchers only, and that module is
 `sideEffects: false`) — the one hazard is a `cases` literal touching the
 `public.js` barrel at load, which `state.md` already forbids. **Performance is the
 first-class constraint**: reuse freely where it doesn't matter, hand-wire minimal

packages/data-ai/.claude/rules/features/services/main-service/conformance.md

@@ -6,7 +6,7 @@ paths:
 # services/main-service/conformance/ — keeping the ECS honest against the spec
 
 Test-only (imported only by `*.test.ts`, in no facet barrel). The `data/state`
-cases are the shared truth; the shared **`@adobe/data/testing`** runner replays
+cases are the shared truth; the shared **`@adobe/data-testing`** runner replays
 them against the ECS. This folder holds only the *feature-specific projection*
 (`projection.ts`) plus one `conformance.test.ts` that makes a **single**
 `Conformance.runFeature({...})` call. Reference: `data-lit-tictactoe`'s
@@ -23,11 +23,12 @@ a normal runtime API — the collision is only in the name.) Likewise
 `Match.matches` / `Match.assert` are comparison helpers for `*.test.ts` only —
 never a runtime branch.
 
-## What `@adobe/data/testing` gives you
+## What `@adobe/data-testing` gives you
 
 Two namespaces, imported only from `*.test.ts` (the module is
-`sideEffects: false`, and `vitest` is an optional peer dependency, satisfied
-here):
+`sideEffects: false`; add it as a devDependency alongside `vitest`, its
+optional peer dependency — kept as a separate package from `@adobe/data` so
+installing `@adobe/data` never pulls in a `vitest` peer dependency):
 
 - **`Match`** — the tolerant, matcher-aware value comparison: `matches(actual,
   expected, options?)` and its throwing wrapper `assert(...)`, plus the matchers

packages/data-ai/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@adobe/data-ai",
-  "version": "0.9.95",
+  "version": "0.9.96",
   "description": "Cross-agent architecture skills for @adobe/data — installable as a Claude Code plugin or copied into any Agent-Skills-compatible agent (Cursor, Codex).",
   "type": "module",
   "private": false,

packages/data-gpu-hopper/package.json

@@ -1,6 +1,6 @@
 {
   "name": "data-gpu-hopper",
-  "version": "0.9.95",
+  "version": "0.9.96",
   "description": "Hopper sample - real-time ECS game rendered as colored cubes via @adobe/data-gpu",
   "type": "module",
   "private": true,
@@ -20,6 +20,7 @@
     "lit": "^3.3.1"
   },
   "devDependencies": {
+    "@adobe/data-testing": "workspace:*",
     "@webgpu/types": "^0.1.61",
     "jsdom": "^24.1.0",
     "typescript": "^5.8.3",

packages/data-gpu-hopper/src/features/main/data/state/conformance-case.ts

@@ -1,12 +1,12 @@
 // © 2026 Adobe. MIT License. See /LICENSE for details.
-import type { Conformance as ConformanceApi } from "@adobe/data/testing";
+import type { Conformance as ConformanceApi } from "@adobe/data-testing";
 import type { State } from "./state.js";
 
-// The conformance case types for this feature — the shared `@adobe/data/testing`
+// The conformance case types for this feature — the shared `@adobe/data-testing`
 // machinery with `State` bound once, so a transform authors `Conformance<typeof fn>`
 // and a derivation `Derivation<typeof fn>` (args/input/value read from the
 // function's own signature). This tiny file is the only per-feature conformance
-// type declaration; everything else lives in `@adobe/data/testing`.
+// type declaration; everything else lives in `@adobe/data-testing`.
 export type Conformance<F extends (...args: never[]) => unknown> =
   ConformanceApi.Cases<State, F>;
 export type Derivation<F extends (...args: never[]) => unknown> =

packages/data-gpu-hopper/src/features/main/data/state/spec.test.ts

@@ -1,5 +1,5 @@
 // © 2026 Adobe. MIT License. See /LICENSE for details.
-import { Conformance } from "@adobe/data/testing";
+import { Conformance } from "@adobe/data-testing";
 import { State } from "./state.js";
 import { transitions } from "./transitions.js";
 

packages/data-gpu-hopper/src/features/main/services/main-service/conformance/conformance.test.ts

@@ -1,5 +1,5 @@
 // © 2026 Adobe. MIT License. See /LICENSE for details.
-import { Conformance } from "@adobe/data/testing";
+import { Conformance } from "@adobe/data-testing";
 import { State } from "../../../data/state/state.js";
 import { transitions } from "../../../data/state/transitions.js";
 import { MainService } from "../main-service.js";

packages/data-gpu-hopper/src/features/main/services/main-service/system-database/tick-loop.test.ts

@@ -16,7 +16,7 @@
 // and assert `toState ≡ after`. Each case also asserts `State.step ≡ after` first,
 // keeping the shared case honest. The hazard bag compares as a multiset.
 import { describe, it } from "vitest";
-import { Match } from "@adobe/data/testing";
+import { Match } from "@adobe/data-testing";
 import { State } from "../../../data/state/state.js";
 import { cases } from "../../../data/state/step.js";
 import { createSystemDatabase } from "../conformance/create-system-database.js";

packages/data-gpu-samples/package.json

@@ -1,6 +1,6 @@
 {
   "name": "data-gpu-samples",
-  "version": "0.9.95",
+  "version": "0.9.96",
   "description": "WebGPU samples built on @adobe/data-gpu",
   "type": "module",
   "private": true,

packages/data-gpu/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@adobe/data-gpu",
-  "version": "0.9.95",
+  "version": "0.9.96",
   "description": "Adobe data WebGPU plugins and types for graphics and compute",
   "type": "module",
   "private": false,

packages/data-lit-space-rock-game/package.json

@@ -1,6 +1,6 @@
 {
   "name": "data-lit-space-rock-game",
-  "version": "0.9.95",
+  "version": "0.9.96",
   "description": "Space Rock Game sample - real-time ECS game with Lit and @adobe/data",
   "type": "module",
   "private": true,
@@ -19,6 +19,7 @@
     "lit": "^3.3.1"
   },
   "devDependencies": {
+    "@adobe/data-testing": "workspace:*",
     "jsdom": "^24.1.0",
     "typescript": "^5.8.3",
     "vite": "^5.1.1",

packages/data-lit-space-rock-game/src/features/main/data/state/conformance-case.ts

@@ -1,12 +1,12 @@
 // © 2026 Adobe. MIT License. See /LICENSE for details.
-import type { Conformance as ConformanceApi } from "@adobe/data/testing";
+import type { Conformance as ConformanceApi } from "@adobe/data-testing";
 import type { State } from "./state.js";
 
-// The conformance case types for this feature — the shared `@adobe/data/testing`
+// The conformance case types for this feature — the shared `@adobe/data-testing`
 // machinery with `State` bound once, so a transform authors `Conformance<typeof fn>`
 // and a derivation `Derivation<typeof fn>` (args/input/value read from the
 // function's own signature). This tiny file is the only per-feature conformance
-// type declaration; everything else lives in `@adobe/data/testing`.
+// type declaration; everything else lives in `@adobe/data-testing`.
 export type Conformance<F extends (...args: never[]) => unknown> =
   ConformanceApi.Cases<State, F>;
 export type Derivation<F extends (...args: never[]) => unknown> =

packages/data-lit-space-rock-game/src/features/main/data/state/spec.test.ts

@@ -1,5 +1,5 @@
 // © 2026 Adobe. MIT License. See /LICENSE for details.
-import { Conformance } from "@adobe/data/testing";
+import { Conformance } from "@adobe/data-testing";
 import { State } from "./state.js";
 import { transitions } from "./transitions.js";
 

packages/data-lit-space-rock-game/src/features/main/services/main-service/conformance/conformance.test.ts

@@ -1,5 +1,5 @@
 // © 2026 Adobe. MIT License. See /LICENSE for details.
-import { Conformance } from "@adobe/data/testing";
+import { Conformance } from "@adobe/data-testing";
 import { State } from "../../../data/state/state.js";
 import { transitions } from "../../../data/state/transitions.js";
 import { MainService } from "../main-service.js";

packages/data-lit-space-rock-game/src/features/main/services/main-service/system-database/tick-loop.test.ts

@@ -26,7 +26,7 @@ import { State } from "../../../data/state/state.js";
 import { Ship } from "../../../data/ship/ship.js";
 import { Input } from "../../../data/input/input.js";
 import { cases } from "../../../data/state/step.js";
-import { Match } from "@adobe/data/testing";
+import { Match } from "@adobe/data-testing";
 import { createSystemDatabase } from "../conformance/create-system-database.js";
 import { projection } from "../conformance/projection.js";
 import { driveFrame } from "../conformance/drive-frame.js";

packages/data-lit-tictactoe/package.json

@@ -1,6 +1,6 @@
 {
   "name": "data-lit-tictactoe",
-  "version": "0.9.95",
+  "version": "0.9.96",
   "description": "Tic-Tac-Toe sample - Lit web components with @adobe/data-lit and AgenticService",
   "type": "module",
   "private": true,
@@ -19,6 +19,7 @@
     "lit": "^3.3.1"
   },
   "devDependencies": {
+    "@adobe/data-testing": "workspace:*",
     "jsdom": "^24.1.0",
     "typescript": "^5.8.3",
     "vite": "^5.1.1",

packages/data-lit-tictactoe/src/features/main/data/state/conformance-case.ts

@@ -1,12 +1,12 @@
 // © 2026 Adobe. MIT License. See /LICENSE for details.
-import type { Conformance as ConformanceApi } from "@adobe/data/testing";
+import type { Conformance as ConformanceApi } from "@adobe/data-testing";
 import type { State } from "./state.js";
 
-// The conformance case types for this feature — the shared `@adobe/data/testing`
+// The conformance case types for this feature — the shared `@adobe/data-testing`
 // machinery with `State` bound once, so a transform authors `Conformance<typeof fn>`
 // and a derivation `Derivation<typeof fn>` (args/input/value read from the
 // function's own signature). This tiny file is the only per-feature conformance
-// type declaration; everything else lives in `@adobe/data/testing`.
+// type declaration; everything else lives in `@adobe/data-testing`.
 export type Conformance<F extends (...args: never[]) => unknown> =
   ConformanceApi.Cases<State, F>;
 export type Derivation<F extends (...args: never[]) => unknown> =

packages/data-lit-tictactoe/src/features/main/data/state/spec.test.ts

@@ -1,5 +1,5 @@
 // © 2026 Adobe. MIT License. See /LICENSE for details.
-import { Conformance } from "@adobe/data/testing";
+import { Conformance } from "@adobe/data-testing";
 import { State } from "./state.js";
 import { transitions } from "./transitions.js";
 

packages/data-lit-tictactoe/src/features/main/services/main-service/conformance/conformance.test.ts

@@ -1,5 +1,5 @@
 // © 2026 Adobe. MIT License. See /LICENSE for details.
-import { Conformance } from "@adobe/data/testing";
+import { Conformance } from "@adobe/data-testing";
 import { State } from "../../../data/state/state.js";
 import { transitions } from "../../../data/state/transitions.js";
 import { MainService } from "../main-service.js";

packages/data-lit-todo/package.json

@@ -1,6 +1,6 @@
 {
   "name": "data-lit-todo",
-  "version": "0.9.95",
+  "version": "0.9.96",
   "description": "Todo application - Lit web components with @adobe/data ECS",
   "type": "module",
   "private": true,
@@ -27,6 +27,7 @@
     "lit": "^3.3.1"
   },
   "devDependencies": {
+    "@adobe/data-testing": "workspace:*",
     "jsdom": "^24.1.0",
     "typescript": "^5.8.3",
     "vite": "^5.1.1",

packages/data-lit-todo/src/features/main/data/state/conformance-case.ts

@@ -1,12 +1,12 @@
 // © 2026 Adobe. MIT License. See /LICENSE for details.
-import { Conformance as ConformanceApi } from "@adobe/data/testing";
+import { Conformance as ConformanceApi } from "@adobe/data-testing";
 import type { State } from "./state.js";
 
-// The conformance case types for this feature — the shared `@adobe/data/testing`
+// The conformance case types for this feature — the shared `@adobe/data-testing`
 // machinery with `State` bound once, so a transform authors `Conformance<typeof fn>`
 // and a derivation `Derivation<typeof fn>` (args/input/value read from the
 // function's own signature). This tiny file is the only per-feature conformance
-// type declaration; everything else lives in `@adobe/data/testing`.
+// type declaration; everything else lives in `@adobe/data-testing`.
 export type Conformance<F extends (...args: never[]) => unknown> =
   ConformanceApi.Cases<State, F>;
 export type Derivation<F extends (...args: never[]) => unknown> =

packages/data-lit-todo/src/features/main/data/state/create-bulk-todos.ts

@@ -3,7 +3,7 @@ import { AnalyticsService } from "../../services/analytics-service/analytics-ser
 import type { State } from "./state.js";
 import type { Conformance } from "./conformance-case.js";
 import { appendTodo } from "./append-todo.js";
-import { Match } from "@adobe/data/testing";
+import { Match } from "@adobe/data-testing";
 /** Adds numbered placeholder todos for demos and performance testing. Reads and
  * writes the todos — a `{ todos }` patch. */
 export const createBulkTodos = (

packages/data-lit-todo/src/features/main/data/state/create-random-todo.ts

@@ -4,7 +4,7 @@ import { AnalyticsService } from "../../services/analytics-service/analytics-ser
 import type { State } from "./state.js";
 import type { Conformance } from "./conformance-case.js";
 import { appendTodo } from "./append-todo.js";
-import { Match } from "@adobe/data/testing";
+import { Match } from "@adobe/data-testing";
 /**
  * Async, service-injected transition: brackets the slow name generation with
  * analytics timing, then appends the todo via the shared {@link appendTodo} (so

packages/data-lit-todo/src/features/main/data/state/create-todo.ts

@@ -3,7 +3,7 @@ import { AnalyticsService } from "../../services/analytics-service/analytics-ser
 import type { State } from "./state.js";
 import type { Conformance } from "./conformance-case.js";
 import { appendTodo } from "./append-todo.js";
-import { Match } from "@adobe/data/testing";
+import { Match } from "@adobe/data-testing";
 
 // Reads the todos, writes the todos — a `{ todos }` patch — by delegating to the
 // shared `appendTodo`; also logs `todoCreated`.

packages/data-lit-todo/src/features/main/data/state/delete-todo.ts

@@ -2,7 +2,7 @@
 import { AnalyticsService } from "../../services/analytics-service/analytics-service.js";
 import type { State } from "./state.js";
 import { entity, type Conformance } from "./conformance-case.js";
-import { Match } from "@adobe/data/testing";
+import { Match } from "@adobe/data-testing";
 
 // Reads the todos, writes the todos — a `{ todos }` patch — dropping the
 // addressed id; also logs `todoDeleted`.

packages/data-lit-todo/src/features/main/data/state/reorder-todo.ts

@@ -1,7 +1,7 @@
 // © 2026 Adobe. MIT License. See /LICENSE for details.
 import type { State } from "./state.js";
 import { entity, type Conformance } from "./conformance-case.js";
-import { Match } from "@adobe/data/testing";
+import { Match } from "@adobe/data-testing";
 /**
  * Moves the todo with the given id to `toIndex` within the list, preserving the
  * relative order of every other todo. Reads the todos, writes the todos — a

packages/data-lit-todo/src/features/main/data/state/samples.ts

@@ -1,5 +1,5 @@
 // © 2026 Adobe. MIT License. See /LICENSE for details.
-import { Match } from "@adobe/data/testing";
+import { Match } from "@adobe/data-testing";
 import type { State } from "./state.js";
 
 // Representative full states for the projection round-trip (toState ∘ fromState ≡

packages/data-lit-todo/src/features/main/data/state/spec.test.ts

@@ -1,5 +1,5 @@
 // © 2026 Adobe. MIT License. See /LICENSE for details.
-import { Conformance } from "@adobe/data/testing";
+import { Conformance } from "@adobe/data-testing";
 import { State } from "./state.js";
 import { transitions } from "./transitions.js";
 

packages/data-lit-todo/src/features/main/data/state/toggle-complete.ts

@@ -2,7 +2,7 @@
 import { AnalyticsService } from "../../services/analytics-service/analytics-service.js";
 import type { State } from "./state.js";
 import { entity, type Conformance } from "./conformance-case.js";
-import { Match } from "@adobe/data/testing";
+import { Match } from "@adobe/data-testing";
 
 // Reads the todos, writes the todos — a `{ todos }` patch — flipping the
 // addressed todo's `complete`; also logs `todoToggled`.