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/helpers/mocks/authn.ts

@@ -0,0 +1,24 @@
+import { SignInRequest, SignUpRequest } from '@activepieces/shared'
+import { faker } from '@faker-js/faker'
+
+export const createMockSignUpRequest = (
+    signUpRequest?: Partial<SignUpRequest>,
+): SignUpRequest => {
+    return {
+        email: signUpRequest?.email ?? faker.internet.email(),
+        password: signUpRequest?.password ?? faker.internet.password(),
+        firstName: signUpRequest?.firstName ?? faker.person.firstName(),
+        lastName: signUpRequest?.lastName ?? faker.person.lastName(),
+        trackEvents: signUpRequest?.trackEvents ?? faker.datatype.boolean(),
+        newsLetter: signUpRequest?.newsLetter ?? faker.datatype.boolean(),
+    }
+}
+
+export const createMockSignInRequest = (
+    signInRequest?: Partial<SignInRequest>,
+): SignInRequest => {
+    return {
+        email: signInRequest?.email ?? faker.internet.email(),
+        password: signInRequest?.password ?? faker.internet.password(),
+    }
+}