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/react-ui/src/lib/flags-api.ts

@@ -0,0 +1,8 @@
+import { api } from './api';
+
+export type FlagsMap = Record<string, boolean | string | object | undefined>;
+export const flagsApi = {
+  getAll() {
+    return api.get<FlagsMap>(`/v1/flags`);
+  },
+};