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/magicslides/src/lib/common/auth.ts

@@ -0,0 +1,26 @@
+import { PieceAuth, Property } from '@activepieces/pieces-framework';
+
+export const MagicSlidesAuth = PieceAuth.CustomAuth({
+  
+  description: `**Enter your MagicSlides Access ID (API key).**
+---
+### How to obtain your API key
+1. Sign up or log in at [magicslides.app](https://www.magicslides.app/).
+2. Go to **Dashboard → API**.
+3. Copy your **Access ID** and paste it here.
+4. And copy your registered email address and paste it here.
+`,
+  required: true,
+  props: {
+    accessId: Property.ShortText({
+      displayName: 'Access ID',
+      description: 'Enter your MagicSlides Access ID',
+      required: true,
+    }),
+    email: Property.ShortText({
+      displayName: 'Email',
+      description: 'Enter your registered email address.',
+      required: true,
+    }),
+  },
+});

activepieces-fork/packages/pieces/community/magicslides/src/lib/common/client.ts

@@ -0,0 +1,23 @@
+import { HttpMethod, httpClient } from '@activepieces/pieces-common';
+
+export const BASE_URL = `https://api.magicslides.app/public/api`;
+
+export async function makeRequest(
+  method: HttpMethod,
+  path: string,
+  body?: unknown
+) {
+  try {
+    const response = await httpClient.sendRequest({
+      method,
+      url: `${BASE_URL}${path}`,
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body,
+    });
+    return response.body;
+  } catch (error: any) {
+    throw new Error(`Unexpected error: ${error.message || String(error)}`);
+  }
+}