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/json/src/index.ts

@@ -0,0 +1,21 @@
+
+import { createPiece, PieceAuth } from "@activepieces/pieces-framework";
+import { convertTextToJson } from "./lib/actions/convert-text-to-json";
+import { convertJsonToText } from "./lib/actions/convert-json-to-text";
+
+export const jsonAuth = PieceAuth.SecretText({
+  displayName: 'API Key',
+  required: true,
+  description: 'Please use **test-key** as value for API Key',
+});
+
+export const json = createPiece({
+  displayName: "JSON",
+  description: "Convert JSON to text and vice versa",
+  auth: PieceAuth.None(),
+  minimumSupportedRelease: '0.30.0',
+  logoUrl: "https://cdn.activepieces.com/pieces/json.svg",
+  authors: ["leenmashni","abuaboud"],
+  actions: [convertJsonToText, convertTextToJson],
+  triggers: [],
+});