feat: validate skill in CI with agnix (#7)

* feat: validate skill in CI with agnix

* chore: pin to action to specific hash

Author: waltergalvao

.github/workflows/validate-skill.yml

@@ -0,0 +1,17 @@
+name: Validate AI Skill
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  agnix:
+    name: Agnix Lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Validate agent configs
+        uses: agent-sh/agnix@12a1917d13e7c804bc91768c30dd4159f536c5c6

SKILL.md

@@ -1,6 +1,6 @@
 ---
-name: playwright-best-practices
-description: Writing Playwright tests, fixing flaky tests, debugging failures, implementing Page Object Model, configuring CI/CD, optimizing performance, mocking APIs, handling authentication or OAuth, testing accessibility (axe-core), file uploads/downloads, date/time mocking, WebSockets, geolocation, permissions, multi-tab/popup flows, mobile/responsive layouts, touch gestures, GraphQL, error handling, offline mode, multi-user collaboration, third-party services (payments, email verification), console error monitoring, global setup/teardown, test annotations (skip, fixme, slow), test tags (@smoke, @fast, @critical, filtering with --grep), project dependencies, security testing (XSS, CSRF, auth), performance budgets (Web Vitals, Lighthouse), iframes, component testing, canvas/WebGL, service workers/PWA, test coverage, i18n/localization, Electron apps, or browser extension testing. Covers E2E, component, API, visual, accessibility, security, Electron, and extension testing.
+name: playwright-best-practices-skill
+description: Use when writing Playwright tests, fixing flaky tests, debugging failures, implementing Page Object Model, configuring CI/CD, optimizing performance, mocking APIs, handling authentication or OAuth, testing accessibility (axe-core), file uploads/downloads, date/time mocking, WebSockets, geolocation, permissions, multi-tab/popup flows, mobile/responsive layouts, touch gestures, GraphQL, error handling, offline mode, multi-user collaboration, third-party services (payments, email verification), console error monitoring, global setup/teardown, test annotations (skip, fixme, slow), test tags (@smoke, @fast, @critical, filtering with --grep), project dependencies, security testing (XSS, CSRF, auth), performance budgets (Web Vitals, Lighthouse), iframes, component testing, canvas/WebGL, service workers/PWA, test coverage, i18n/localization, Electron apps, or browser extension testing. Covers E2E, component, API, visual, accessibility, security, Electron, and extension testing.
 license: MIT
 metadata:
   author: currents.dev

testing-patterns/forms-validation.md

@@ -150,7 +150,7 @@ test("complete a multi-step booking wizard", async ({ page }) => {
 
   await test.step("enter guest information", async () => {
     await expect(
-      page.getByRole("heading", { name: "Guest Info" })
+      page.getByRole("heading", { name: "Guest Info" }),
     ).toBeVisible();
 
     await page.getByLabel("Full name").fill("Alice Smith");
@@ -162,7 +162,7 @@ test("complete a multi-step booking wizard", async ({ page }) => {
 
   await test.step("select room options", async () => {
     await expect(
-      page.getByRole("heading", { name: "Room Selection" })
+      page.getByRole("heading", { name: "Room Selection" }),
     ).toBeVisible();
 
     await page.getByLabel("Room type").selectOption("suite");
@@ -174,7 +174,7 @@ test("complete a multi-step booking wizard", async ({ page }) => {
 
   await test.step("confirm booking", async () => {
     await expect(
-      page.getByRole("heading", { name: "Confirmation" })
+      page.getByRole("heading", { name: "Confirmation" }),
     ).toBeVisible();
 
     await expect(page.getByText("Alice Smith")).toBeVisible();
@@ -184,7 +184,7 @@ test("complete a multi-step booking wizard", async ({ page }) => {
   });
 
   await expect(
-    page.getByRole("heading", { name: "Booking complete" })
+    page.getByRole("heading", { name: "Booking complete" }),
   ).toBeVisible();
 });
 
@@ -242,7 +242,7 @@ test("form submission shows server-side validation errors", async ({
   await page.getByRole("button", { name: "Sign up" }).click();
 
   await expect(
-    page.getByText("Email address already registered")
+    page.getByText("Email address already registered"),
   ).toBeVisible();
 });
 
@@ -253,7 +253,9 @@ test("form shows loading state during submission", async ({ page }) => {
   await page.getByLabel("Email").fill("user@test.com");
   await page.getByLabel("Details").fill("Found an issue");
 
-  const submit = page.getByRole("button", { name: /Submit feedback|Submitting/ });
+  const submit = page.getByRole("button", {
+    name: /Submit feedback|Submitting/,
+  });
   await submit.click();
 
   await expect(submit).toHaveText(/Submitting/);
@@ -371,7 +373,7 @@ test("native HTML5 validation with required attribute", async ({ page }) => {
 
   const emailInput = page.getByLabel("Email");
   const validationMessage = await emailInput.evaluate(
-    (el: HTMLInputElement) => el.validationMessage
+    (el: HTMLInputElement) => el.validationMessage,
   );
   expect(validationMessage).toBeTruthy();
 });
@@ -536,7 +538,7 @@ await page.getByLabel("Date").fill("2025-06-15");
 await page.getByLabel("Date").dispatchEvent("change");
 ```
 
-### `selectOption()` throws "not a <select> element"
+### `selectOption()` throws "not a select element"
 
 **Cause**: The dropdown is a custom component (ARIA listbox), not a native `<select>`.