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/docker-compose.test.yml

@@ -0,0 +1,28 @@
+services:
+  app:
+    extends:
+      file: docker-compose.dev.yml
+      service: app
+    user: "${UID}:${GID}"
+    command: /bin/sh -c "npm_config_cache=/usr/src/app/.npm-cache npx nx run-tests backend"
+
+  postgres:
+    extends:
+      file: docker-compose.dev.yml
+      service: postgres
+    ports:
+     - "5432:5432"
+
+  redis:
+    extends:
+      file: docker-compose.dev.yml
+      service: redis
+    ports:
+     - "6379:6379"
+
+volumes:
+  postgres_data_dev:
+  redis_data_dev:
+
+networks:
+  activepieces_dev: