feat: add DataRealtime node type definition

packages/node-type-registry/src/data/data-realtime.ts

@@ -0,0 +1,33 @@
+import type { NodeTypeDefinition } from '../types';
+
+export const DataRealtime: NodeTypeDefinition = {
+  name: 'DataRealtime',
+  slug: 'data_realtime',
+  category: 'data',
+  display_name: 'Realtime Subscriptions',
+  description:
+    'Creates per-table subscriber tables in subscriptions_public with ' +
+    'RLS policies derived from source table SELECT policies. Attaches ' +
+    'statement-level triggers to emit changes to subscribers.',
+  parameter_schema: {
+    type: 'object',
+    properties: {
+      operations: {
+        type: 'array',
+        items: {
+          type: 'string',
+          enum: ['INSERT', 'UPDATE', 'DELETE']
+        },
+        description:
+          'Which DML operations to track with emit_change triggers',
+        default: ['INSERT', 'UPDATE', 'DELETE']
+      },
+      subscriber_table_name: {
+        type: 'string',
+        description:
+          'Custom name for the subscriber table (defaults to {source_table}_subscriber)'
+      }
+    }
+  },
+  tags: ['realtime', 'subscriptions', 'triggers']
+};

packages/node-type-registry/src/data/index.ts

@@ -17,6 +17,7 @@ export { DataOwnedFields } from './data-owned-fields';
 export { DataOwnershipInEntity } from './data-ownership-in-entity';
 export { DataPeoplestamps } from './data-peoplestamps';
 export { DataPublishable } from './data-publishable';
+export { DataRealtime } from './data-realtime';
 export { DataSlug } from './data-slug';
 export { DataSoftDelete } from './data-soft-delete';
 export { DataStatusField } from './data-status-field';