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/linkedin/src/index.ts

@@ -0,0 +1,52 @@
+import {
+  OAuth2PropertyValue,
+  PieceAuth,
+  createPiece,
+} from '@activepieces/pieces-framework';
+
+import { PieceCategory } from '@activepieces/shared';
+import { createCompanyUpdate } from './lib/actions/create-company-update';
+import { createShareUpdate } from './lib/actions/create-share-update';
+import { createCustomApiCallAction } from '@activepieces/pieces-common';
+import { linkedinCommon } from './lib/common';
+
+export const linkedinAuth = PieceAuth.OAuth2({
+  authUrl: 'https://www.linkedin.com/oauth/v2/authorization',
+  tokenUrl: 'https://www.linkedin.com/oauth/v2/accessToken',
+  required: true,
+  scope: [
+    'w_member_social',
+    'w_organization_social',
+    'rw_organization_admin',
+    'openid',
+    'email',
+    'profile',
+  ],
+});
+
+export const linkedin = createPiece({
+  displayName: 'LinkedIn',
+  description: 'Connect and network with professionals',
+
+  minimumSupportedRelease: '0.30.0',
+  logoUrl: 'https://cdn.activepieces.com/pieces/linkedin.png',
+  categories: [PieceCategory.MARKETING],
+  authors: ["aasimsani","kishanprmr","MoShizzle","khaledmashaly","abuaboud", "izdrail"],
+  auth: linkedinAuth,
+  actions: [
+    createShareUpdate,
+    createCompanyUpdate,
+    createCustomApiCallAction({
+      auth: linkedinAuth,
+      baseUrl: () => {
+        return linkedinCommon.baseUrl;
+      },
+      authMapping: async (auth) => {
+        return {
+          Authorization: `Bearer ${(auth as OAuth2PropertyValue).access_token}`,
+        };
+      },
+    }),
+  ],
+  triggers: [],
+});