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/contiguity/src/index.ts

@@ -0,0 +1,33 @@
+import { createCustomApiCallAction } from '@activepieces/pieces-common';
+import { createPiece, PieceAuth } from '@activepieces/pieces-framework';
+import { PieceCategory } from '@activepieces/shared';
+import { sendText } from './lib/actions/send/text';
+import { send_iMessage } from './lib/actions/send/imessage';
+
+export const contiguityAuth = PieceAuth.SecretText({
+  displayName: 'API Key',
+  required: true,
+  description: 'Authenticate with the Contiguity API using a revocable key. Create one at console.contiguity.com/dashboard/tokens',
+});
+
+export const contiguity = createPiece({
+  displayName: 'Contiguity',
+  description: 'Communications for what you\'re building',
+  auth: contiguityAuth,
+  minimumSupportedRelease: '0.30.0',
+  logoUrl: 'https://cdn.activepieces.com/pieces/contiguity.png',
+  authors: ["Owlcept","Ozak93","kishanprmr","MoShizzle","abuaboud","Contiguity"],
+  categories: [PieceCategory.MARKETING],
+  actions: [
+    sendText,
+    send_iMessage,
+    createCustomApiCallAction({
+            baseUrl: () => 'https://api.contiguity.com',
+            auth: contiguityAuth,
+            authMapping: async (auth) => ({
+                authorization: `Bearer ${auth}`,
+            }),
+    }),
+  ],
+  triggers: [],
+});