test(e2e): add publish app happy path scenario

e2e/features/apps/publish-app.feature

@@ -0,0 +1,10 @@
+@apps @authenticated @core
+Feature: Publish app
+
+  Scenario: Publish a chatbot app for the first time
+    Given I am signed in as the default E2E admin
+    And a "chat" app has been created via API
+    When I open the app from the app list
+    And I open the publish panel
+    And I publish the app
+    Then the app should be marked as published

e2e/features/step-definitions/apps/publish-app.steps.ts

@@ -0,0 +1,15 @@
+import type { DifyWorld } from '../../support/world'
+import { Then, When } from '@cucumber/cucumber'
+import { expect } from '@playwright/test'
+
+When('I open the publish panel', async function (this: DifyWorld) {
+  await this.getPage().getByRole('button', { name: 'Publish' }).first().click()
+})
+
+When('I publish the app', async function (this: DifyWorld) {
+  await this.getPage().getByRole('button', { name: /Publish Update/ }).click()
+})
+
+Then('the app should be marked as published', async function (this: DifyWorld) {
+  await expect(this.getPage().getByRole('button', { name: 'Published' })).toBeVisible({ timeout: 30_000 })
+})

e2e/features/step-definitions/common/app.steps.ts

@@ -0,0 +1,17 @@
+import type { DifyWorld } from '../../support/world'
+import { Given, When } from '@cucumber/cucumber'
+import { expect } from '@playwright/test'
+import { createTestApp } from '../../../support/api'
+
+Given('a {string} app has been created via API', async function (this: DifyWorld, mode: string) {
+  const app = await createTestApp(`E2E ${Date.now()}`, mode)
+  this.createdAppIds.push(app.id)
+  this.lastCreatedAppName = app.name
+})
+
+When('I open the app from the app list', async function (this: DifyWorld) {
+  const page = this.getPage()
+  await page.goto('/apps')
+  await expect(page.getByRole('button', { name: 'Create from Blank' })).toBeVisible()
+  await page.getByText(this.lastCreatedAppName!).click()
+})