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/stable-diffusion-webui/src/index.ts

@@ -0,0 +1,31 @@
+import {
+  createPiece,
+  PieceAuth,
+  Property,
+} from '@activepieces/pieces-framework';
+import { textToImage } from './lib/actions/text-to-image';
+
+export const stableDiffusionAuth = PieceAuth.CustomAuth({
+  required: true,
+  props: {
+    baseUrl: Property.ShortText({
+      displayName: 'Stable Diffusion web UI API base URL',
+      required: true,
+    }),
+  },
+});
+
+export type StableDiffusionAuthType = {
+  baseUrl: string;
+};
+
+export const stableDiffusion = createPiece({
+  displayName: 'Stable Dffusion web UI',
+  description: 'A web interface for Stable Diffusion',
+  auth: stableDiffusionAuth,
+  minimumSupportedRelease: '0.30.0',
+  logoUrl: 'https://cdn.activepieces.com/pieces/stable-diffusion-webui.png',
+  authors: ['AdamSelene', 'abuaboud'],
+  actions: [textToImage],
+  triggers: [],
+});