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/ashby/src/index.ts

@@ -0,0 +1,36 @@
+import { createPiece, PieceAuth } from '@activepieces/pieces-framework';
+import { createCustomApiCallAction } from '@activepieces/pieces-common';
+
+export const ashbyAuth = PieceAuth.CustomAuth({
+  required: true,
+  props: {
+    apiKey: PieceAuth.SecretText({
+      displayName: 'API key',
+      required: true,
+    }),
+  },
+});
+
+export const ashby = createPiece({
+  displayName: 'Ashby',
+  auth: ashbyAuth,
+  minimumSupportedRelease: '0.36.1',
+  logoUrl: 'https://cdn.activepieces.com/pieces/ashby.png',
+  authors: ['AdamSelene'],
+  actions: [
+    createCustomApiCallAction({
+      baseUrl: () => `https://api.ashbyhq.com/`,
+      auth: ashbyAuth,
+      authMapping: async (auth) => {
+        const { apiKey } = auth.props;
+        return {
+          Authorization: `Basic ${Buffer.from(`${apiKey}:`).toString(
+            'base64'
+          )}`,
+          'Content-Type': 'application/json',
+        };
+      },
+    }),
+  ],
+  triggers: [],
+});