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/hume-ai/src/lib/common/auth.ts

@@ -0,0 +1,26 @@
+import { PieceAuth } from '@activepieces/pieces-framework';
+import { HumeClient } from 'hume';
+
+export const humeAiAuth = PieceAuth.SecretText({
+  displayName: 'API Key',
+  description: 'Enter your Hume AI API key from the Hume Portal (https://platform.hume.ai/settings/keys)',
+  required: true,
+  validate: async ({ auth }) => {
+    try {
+      const client = new HumeClient({
+        apiKey: auth as string,
+      });
+
+      await client.expressionMeasurement.batch.listJobs();
+
+      return {
+        valid: true,
+      };
+    } catch (error) {
+      return {
+        valid: false,
+        error: 'Invalid API key. Please check your Hume AI API key.',
+      };
+    }
+  },
+});