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/twin-labs/src/index.ts

@@ -0,0 +1,20 @@
+
+    import { createPiece, PieceAuth } from "@activepieces/pieces-framework";
+    import { startBrowsingTask } from "./lib/actions/start-browsing-task";
+    
+    export const twinLabsAuth = PieceAuth.SecretText({
+      displayName:'API Key',
+      required:true,
+      description:"Please use ***your-twin-labs-api-key*** as value for API Key"
+    });
+
+    export const twinLabs = createPiece({
+      displayName: "Twin Web Agent",
+      auth: twinLabsAuth,
+      minimumSupportedRelease: '0.20.0',
+      logoUrl: "https://cdn.activepieces.com/pieces/twin-labs.png",
+      authors: [],
+      actions: [startBrowsingTask],
+      triggers: [],
+    });
+