Add Workforce and SMTP integrations to settings schema

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/integrations/schema.js

@@ -27,6 +27,16 @@ export const INTEGRATIONS = {
     configFields: ['host', 'port', 'database', 'graphql_endpoint', 'username'],
     secretFields: ['password'],
   },
+  workforce: {
+    name: 'Workforce',
+    configFields: ['base_url', 'sync_hours'],
+    secretFields: ['email', 'password'],
+  },
+  smtp: {
+    name: 'SMTP Email',
+    configFields: ['host', 'port', 'from'],
+    secretFields: ['user', 'pass'],
+  },
 }
 
 export const MASKED = '••••••••'