Add Activepieces integration for workflow automation

- Add Activepieces fork with SmoothSchedule custom piece
- Create integrations app with Activepieces service layer
- Add embed token endpoint for iframe integration
- Create Automations page with embedded workflow builder
- Add sidebar visibility fix for embed mode
- Add list inactive customers endpoint to Public API
- Include SmoothSchedule triggers: event created/updated/cancelled
- Include SmoothSchedule actions: create/update/cancel events, list resources/services/customers

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

activepieces-fork/packages/server/api/test/integration/cloud/app-sumo/app-sumo.test.ts

@@ -0,0 +1,53 @@
+import { FastifyInstance } from 'fastify'
+import { StatusCodes } from 'http-status-codes'
+import { initializeDatabase } from '../../../../src/app/database'
+import { databaseConnection } from '../../../../src/app/database/database-connection'
+import { setupServer } from '../../../../src/app/server'
+
+let app: FastifyInstance | null = null
+
+beforeAll(async () => {
+    await initializeDatabase({ runMigrations: false })
+    app = await setupServer()
+})
+
+afterAll(async () => {
+    await databaseConnection().destroy()
+    await app?.close()
+})
+
+describe('AppSumo API', () => {
+    describe('Action endpoint', () => {
+        it('Activates new accounts', async () => {
+            // arrange
+            const mockEmail = 'mock-email'
+
+            const requestBody = {
+                action: 'activate',
+                plan_id: 'plan_id',
+                uuid: 'uuid',
+                activation_email: mockEmail,
+            }
+
+            const appSumoToken = 'app-sumo-token'
+
+            // act
+            const response = await app?.inject({
+                method: 'POST',
+                url: '/v1/appsumo/action',
+                headers: {
+                    authorization: `Bearer ${appSumoToken}`,
+                },
+                body: requestBody,
+            })
+
+            // assert
+            const responseBody = response?.json()
+            expect(response?.statusCode).toBe(StatusCodes.CREATED)
+            expect(responseBody?.message).toBe('success')
+            expect(responseBody?.redirect_url).toBe(
+                `https://cloud.activepieces.com/sign-up?email=${mockEmail}`,
+            )
+        })
+    })
+})