chore: workspace eslint catalog, typescript dev dep, monorepo skill

- pnpm-workspace catalog: replace oxlint with eslint ^10.4.1.
- Add typescript dev dep (root) so vitest typecheck (stdlib) resolves tsc.
- Root vitest projects: configs/oxlint → configs/eslint.
- Update monorepo skill + add component-test-auditor agent.

.github/agents/component-test-auditor.agent.md

@@ -0,0 +1,71 @@
+---
+description: "Audit and complete Vue/web component test suites. Use when the user asks to check test coverage, find missing test cases, fill gaps in component tests, verify a11y of a component, audit *.test.ts / a11y.test.ts files, or ensure a component is fully covered by vitest. Triggers: \"check tests\", \"complete tests\", \"test coverage\", \"missing test cases\", \"audit a11y\", \"проверь тесты\", \"допиши тесты\", \"покрытие тестов\"."
+name: "Component Test Auditor"
+tools: [read, search, edit, execute, todo]
+model: "Claude Sonnet 4.5 (copilot)"
+argument-hint: "Path to a component or test file to audit"
+user-invocable: true
+---
+
+You are a specialist in Vue/web component test completeness auditing. Your single job: given a component, determine whether its test suite fully covers behavior, props, emits, slots, edge cases, and accessibility — then fill the gaps with additional vitest specs.
+
+## Constraints
+
+- DO NOT modify production component source. ONLY add or refine test files.
+- DO NOT introduce new test frameworks. Use the existing `vitest` + `@vue/test-utils` setup found in the repo.
+- DO NOT create redundant tests for behavior already covered. Each new spec must close a concrete gap.
+- DO NOT skip running the suite — every change must be verified with vitest before reporting back.
+- ONLY audit one component (or a small explicit list) per invocation. Stay focused.
+
+## Required Skills
+
+Always load these skills via `read_file` before acting:
+
+1. `/Users/robonen/.agents/skills/vue-testing-best-practices/SKILL.md` — patterns for Vue component tests.
+2. `/Users/robonen/.agents/skills/vitest/SKILL.md` — vitest API, mocking, coverage.
+3. `/Users/robonen/.agents/skills/accessibility-a11y/SKILL.md` — WCAG checks, ARIA, keyboard nav. Load whenever the component has interactive behavior, focus management, ARIA attributes, or a sibling `a11y.test.ts` file exists.
+4. `/Users/robonen/Projects/tools/.github/skills/monorepo/SKILL.md` — for repo-specific commands (`pnpm`, test scoping, workspace layout).
+
+## Approach
+
+1. **Locate the component.** Resolve the target `.vue` / `.ts` source and its `__test__/` folder. Inspect sibling `*.test.ts`, `a11y.test.ts`, and any AGENTS.md / README.md for the package.
+2. **Inventory the surface.** From the component source, enumerate: props (with defaults & types), emits, exposed methods, slots (named + scoped), `v-model`s, internal state machines, conditional branches, lifecycle effects, DOM/ARIA attributes, keyboard handlers.
+3. **Inventory existing coverage.** Read all related test files and map each `it(...)` to the surface item it covers. Build a gap table.
+4. **Decide on a11y scope.** If the component is interactive (focusable, ARIA roles, keyboard, form-related) → run the a11y skill checklist and ensure an `a11y.test.ts` exists with: role, accessible name, keyboard interaction, focus order, `aria-*` invariants, and (where applicable) `axe`-style assertions consistent with neighboring components.
+5. **Write the missing specs.** Match the file/folder conventions used by neighbors (e.g. `src/<comp>/__test__/<Component>.test.ts` + `a11y.test.ts`). Mirror style (mount helpers, fixtures, naming). Keep specs deterministic and isolated.
+6. **Run vitest.** Use `runTests` when available, otherwise `pnpm --filter <pkg> test -- <pattern>`. Iterate until green. If a failure reveals a real component bug, STOP and report it — do not silently fix production code.
+7. **Optionally measure coverage.** If coverage is requested or unclear, run vitest in coverage mode scoped to the component file and report uncovered lines/branches.
+
+## Output Format
+
+Return a concise markdown report:
+
+```
+### Component: <name> (<path>)
+
+**Surface inventory**
+- props: ...
+- emits: ...
+- slots: ...
+- interactive/a11y: yes/no — <reason>
+
+**Existing coverage**
+- <file>: N specs — covers X, Y
+- a11y.test.ts: present/absent
+
+**Gaps closed**
+- + <spec name> — <what it covers>
+- + <spec name> — <what it covers>
+
+**Files changed**
+- <path> (+N specs)
+
+**Verification**
+- vitest: PASS (M tests) | coverage: L% lines / B% branches
+- a11y skill applied: yes/no
+
+**Follow-ups (not done)**
+- <anything out of scope or requiring human decision>
+```
+
+If no gaps exist, say so explicitly and do not touch any files.

.github/skills/monorepo/SKILL.md

@@ -1,6 +1,6 @@
 ---
 name: monorepo
-description: "Manage the @robonen/tools monorepo. Use when: installing dependencies, creating new packages, linting, building, testing, publishing, or scaffolding workspace packages. Covers pnpm catalogs, tsdown builds, oxlint presets, vitest projects, JSR/NPM publishing."
+description: "Manage the @robonen/tools monorepo. Use when: installing dependencies, creating new packages, linting, building, testing, publishing, or scaffolding workspace packages. Covers pnpm catalogs, tsdown builds, eslint presets, vitest projects, JSR/NPM publishing."
 ---
 
 # Monorepo Management
@@ -13,7 +13,7 @@ This is a pnpm workspace monorepo (`@robonen/tools`) with shared configs, strict
 
 | Directory | Purpose | Examples |
 |-----------|---------|---------|
-| `configs/*` | Shared tooling configs | `oxlint`, `tsconfig`, `tsdown` |
+| `configs/*` | Shared tooling configs | `eslint`, `tsconfig`, `tsdown` |
 | `core/*` | Platform-agnostic TS libraries | `stdlib`, `platform`, `encoding` |
 | `vue/*` | Vue 3 packages | `primitives`, `toolkit` |
 | `docs` | Nuxt 4 documentation site | — |
@@ -35,7 +35,7 @@ pnpm -C <package-path> add -D <dep-name>
 
 Examples:
 ```bash
-pnpm -C core/stdlib add -D oxlint
+pnpm -C core/stdlib add -D eslint
 pnpm -C vue/primitives add vue
 ```
 
@@ -47,7 +47,7 @@ Versions shared across multiple packages MUST use the pnpm catalog system. The c
 catalog:
   vitest: ^4.0.18
   tsdown: ^0.21.0
-  oxlint: ^1.2.0
+  eslint: ^10.4.1
   vue: ^3.5.28
   # ... etc
 ```
@@ -57,7 +57,7 @@ In `package.json`, reference catalog versions with the `catalog:` protocol:
 {
   "devDependencies": {
     "vitest": "catalog:",
-    "oxlint": "catalog:"
+    "eslint": "catalog:"
   }
 }
 ```
@@ -72,7 +72,7 @@ Reference sibling packages with the workspace protocol:
 ```json
 {
   "devDependencies": {
-    "@robonen/oxlint": "workspace:*",
+    "@robonen/eslint": "workspace:*",
     "@robonen/tsconfig": "workspace:*",
     "@robonen/tsdown": "workspace:*"
   }
@@ -87,7 +87,7 @@ Always run `pnpm install` at the root after editing `pnpm-workspace.yaml` or any
 
 ## Creating a New Package
 
-> **Note:** The existing `bin/cli.ts` (`pnpm create`) is outdated — it generates Vite configs instead of tsdown and lacks oxlint/vitest setup. Follow the manual steps below instead.
+> **Note:** The existing `bin/cli.ts` (`pnpm create`) is outdated — it generates Vite configs instead of tsdown and lacks eslint/vitest setup. Follow the manual steps below instead.
 
 ### 1. Create the directory
 
@@ -116,18 +116,17 @@ Choose the correct parent based on package type:
     }
   },
   "scripts": {
-    "lint:check": "oxlint -c oxlint.config.ts",
+    "lint:check": "eslint .",
-    "lint:fix": "oxlint -c oxlint.config.ts --fix",
+    "lint:fix": "eslint . --fix",
     "test": "vitest run",
     "dev": "vitest dev",
     "build": "tsdown"
   },
   "devDependencies": {
-    "@robonen/oxlint": "workspace:*",
+    "@robonen/eslint": "workspace:*",
     "@robonen/tsconfig": "workspace:*",
     "@robonen/tsdown": "workspace:*",
-      "@stylistic/eslint-plugin": "catalog:",
+    "eslint": "catalog:",
-    "oxlint": "catalog:",
     "tsdown": "catalog:"
   }
 }
@@ -139,7 +138,6 @@ For Vue packages, also add:
   "dependencies": {
     "vue": "catalog:",
     "@vue/shared": "catalog:"
-    "@stylistic/eslint-plugin": "catalog:",
   },
   "devDependencies": {
     "@vue/test-utils": "catalog:"
@@ -215,16 +213,17 @@ export default defineConfig({
 });
 ```
 
-### 5. Create `oxlint.config.ts`
+### 5. Create `eslint.config.ts`
 
 Standard (node packages):
 ```typescript
-import { defineConfig } from 'oxlint';
+import { base, compose, imports, stylistic, typescript } from '@robonen/eslint';
-import { compose, base, typescript, imports, stylistic } from '@robonen/oxlint';
 
-export default defineConfig(compose(base, typescript, imports, stylistic));
+export default compose(base, typescript, imports, stylistic);
 ```
 
+> ESLint auto-discovers `eslint.config.ts` (loaded via `jiti`, which `@robonen/eslint` depends on). No `defineConfig` wrapper is needed — `compose()` returns the flat-config array directly.
+
 ### 6. Create `vitest.config.ts`
 
 Node package:
@@ -292,7 +291,7 @@ pnpm -C <package-path> test
 
 ## Linting
 
-Uses **oxlint** (not ESLint) with composable presets from `@robonen/oxlint`.
+Uses **ESLint** (flat config) with composable presets from `@robonen/eslint`.
 
 ### Run linting
 
@@ -314,38 +313,29 @@ pnpm lint:fix
 
 | Preset | Purpose |
 |--------|---------|
-| `base` | ESLint core + Oxc + Unicorn rules |
+| `base` | ESLint core + Unicorn rules + global ignores |
-| `typescript` | TypeScript rules (via overrides on `*.ts` files) |
+| `typescript` | TypeScript rules (via `typescript-eslint`, on `*.ts` + `*.vue`) |
-| `imports` | Import ordering, cycles, duplicates |
+| `imports` | Import ordering, cycles, duplicates (`eslint-plugin-import-x`) |
 | `stylistic` | Code style via `@stylistic/eslint-plugin` |
-| `vue` | Vue 3 Composition API rules |
+| `vue` | Vue 3 Composition API rules (`eslint-plugin-vue`) |
-| `vitest` | Test file rules |
+| `vitest` | Test file rules (`@vitest/eslint-plugin`) |
-| `node` | Node.js-specific rules |
+| `node` | Node.js-specific rules (`eslint-plugin-n`) |
 
-Compose presets in `oxlint.config.ts`:
+Compose presets in `eslint.config.ts`:
 ```typescript
-import { defineConfig } from 'oxlint';
+import { base, compose, imports, typescript } from '@robonen/eslint';
-import { compose, base, typescript, imports } from '@robonen/oxlint';
 
-export default defineConfig(compose(base, typescript, imports));
+export default compose(base, typescript, imports);
+```
 
 **Recommended:** Include `stylistic` preset for code formatting:
 ```typescript
-import { defineConfig } from 'oxlint';
+import { base, compose, imports, stylistic, typescript } from '@robonen/eslint';
-import { compose, base, typescript, imports, stylistic } from '@robonen/oxlint';
 
-export default defineConfig(compose(base, typescript, imports, stylistic));
+export default compose(base, typescript, imports, stylistic);
 ```
 
-When using `stylistic`, add `@stylistic/eslint-plugin` to devDependencies:
+All plugins (including `@stylistic/eslint-plugin`) ship as dependencies of `@robonen/eslint`, so packages only need `@robonen/eslint` + `eslint` in devDependencies.
-```json
-{
-  "devDependencies": {
-    "@stylistic/eslint-plugin": "catalog:"
-  }
-}
-```
-```
 
 ## Building
 

package.json

@@ -28,6 +28,7 @@
     "jiti": "^2.6.1",
     "jsdom": "catalog:",
     "scule": "^1.3.0",
+    "typescript": "^5.9.3",
     "vitest": "catalog:"
   },
   "scripts": {

pnpm-workspace.yaml

@@ -3,19 +3,21 @@ packages:
   - core/*
   - infra/*
   - vue/*
+  - vue/*/playground
   - docs
 
 catalog:
   '@stylistic/eslint-plugin': ^5.10.0
-  '@vitest/coverage-v8': ^4.0.18
+  '@vitest/browser': ^4.1.4
-  '@vitest/ui': ^4.0.18
+  '@vitest/coverage-v8': ^4.1.4
+  '@vitest/ui': ^4.1.4
   '@vue/shared': ^3.5.29
   '@vue/test-utils': ^2.4.6
+  eslint: ^10.4.1
   jsdom: ^28.1.0
   nuxt: ^4.3.1
-  oxlint: ^1.51.0
   tsdown: ^0.21.0
-  vitest: ^4.0.18
+  vitest: ^4.1.4
   vue: ^3.5.29
 
 ignoredBuiltDependencies:

vitest.config.ts

@@ -3,7 +3,7 @@ import { defineConfig } from 'vitest/config';
 export default defineConfig({
   test: {
     projects: [
-      'configs/oxlint/vitest.config.ts',
+      'configs/eslint/vitest.config.ts',
       'core/fetch/vitest.config.ts',
       'core/stdlib/vitest.config.ts',
       'core/platform/vitest.config.ts',