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/pieces/community/facebook-pages/src/index.ts

@@ -0,0 +1,47 @@
+import { PieceAuth, createPiece } from '@activepieces/pieces-framework';
+
+import { PieceCategory } from '@activepieces/shared';
+import { createPhotoPost } from './lib/actions/create-photo-post';
+import { createPost } from './lib/actions/create-post';
+import { createVideoPost } from './lib/actions/create-video-post';
+
+const markdown = `
+To Obtain a Client ID and Client Secret:
+
+1. Go to https://developers.facebook.com/
+2. Register for a Facebook Developer account.
+3. Once login, click "Make a new app" button.
+4. Select "Other" for use cases.
+5. Choose "Business" as the type of app. 
+6. Provide application details: custom name and associated email.
+7. Once your application is created, you need to add a new "product".
+8. Configure a new product of type "Facebook Login Settings".
+9. Default settings should be fine, you only need to provide the Redirect URL in "Valid OAuth Redirect URIs" and your domain name in "Allowed Domains for the JavaScript SDK".
+10. Finally, get your application ID and application secret from your app dashboard in Settings > Basic.
+`;
+
+export const facebookPagesAuth = PieceAuth.OAuth2({
+  description: markdown,
+  authUrl: 'https://graph.facebook.com/oauth/authorize',
+  tokenUrl: 'https://graph.facebook.com/oauth/access_token',
+  required: true,
+  scope: [
+    'pages_show_list',
+    'pages_manage_posts',
+    'business_management',
+    'pages_read_engagement',
+  ],
+});
+
+export const facebookPages = createPiece({
+  displayName: 'Facebook Pages',
+  description: 'Manage your Facebook pages to grow your business',
+
+  minimumSupportedRelease: '0.30.0',
+  logoUrl: 'https://cdn.activepieces.com/pieces/facebook.png',
+  categories: [PieceCategory.MARKETING],
+  authors: ["kishanprmr","MoShizzle","khaledmashaly","abuaboud"],
+  auth: facebookPagesAuth,
+  actions: [createPost, createPhotoPost, createVideoPost],
+  triggers: [],
+});