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/retable/src/index.ts

@@ -0,0 +1,59 @@
+import { createCustomApiCallAction } from '@activepieces/pieces-common';
+import { createPiece, PieceAuth } from '@activepieces/pieces-framework';
+import { PieceCategory } from '@activepieces/shared';
+import { retableCreateProjectAction } from './lib/actions/create-project';
+import { retableCreateWorkspaceAction } from './lib/actions/create-workspace';
+import { retableGetAllProjectsAction } from './lib/actions/get-all-projects';
+import { retableGetAllRetablesAction } from './lib/actions/get-all-retables';
+import { retableGetAllWorkspacesAction } from './lib/actions/get-all-workspaces';
+import { retableCreateRecordAction } from './lib/actions/insert-record';
+import { retableCommon } from './lib/common';
+const markdown = `
+To obtain your API key, follow these steps:
+
+1. Go to Account Overview by clicking your profile-pic (top-right).
+2. Go to API section and enable API key.
+3. Copy API key.`;
+
+export const retableAuth = PieceAuth.SecretText({
+  displayName: 'API Key',
+  required: true,
+  description: markdown,
+  validate: async ({ auth }) => {
+    if (auth.startsWith('RTBLv1-')) {
+      return {
+        valid: true,
+      };
+    }
+    return {
+      valid: false,
+      error: 'Invalid API Key',
+    };
+  },
+});
+export const retable = createPiece({
+  displayName: 'Retable',
+  description: 'Turn your spreadsheets into smart database apps',
+
+  auth: retableAuth,
+  minimumSupportedRelease: '0.30.0',
+  logoUrl: 'https://cdn.activepieces.com/pieces/retable.png',
+  categories: [PieceCategory.PRODUCTIVITY],
+  authors: ["kishanprmr","MoShizzle","abuaboud"],
+  actions: [
+    retableCreateRecordAction,
+    retableGetAllWorkspacesAction,
+    retableGetAllProjectsAction,
+    retableGetAllRetablesAction,
+    retableCreateWorkspaceAction,
+    retableCreateProjectAction,
+    createCustomApiCallAction({
+      baseUrl: () => retableCommon.baseUrl,
+      auth: retableAuth,
+      authMapping: async (auth) => ({
+        ApiKey: auth.secret_text,
+      }), 
+    }),
+  ],
+  triggers: [],
+});