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/jest.preset.js

@@ -0,0 +1,15 @@
+const nxPreset = require('@nx/jest/preset').default;
+
+module.exports = {
+  ...nxPreset,
+  /* TODO: Update to latest Jest snapshotFormat
+   * By default Nx has kept the older style of Jest Snapshot formats
+   * to prevent breaking of any existing tests with snapshots.
+   * It's recommend you update to the latest format.
+   * You can do this by removing snapshotFormat property
+   * and running tests with --update-snapshot flag.
+   * Example: "nx affected --targets=test,run-tests --update-snapshot"
+   * More info: https://jestjs.io/docs/upgrading-to-jest29#snapshot-format
+   */
+  snapshotFormat: { escapeString: true, printBasicPrototype: true },
+};