feat: initial node groups

app/src/lib/node-registry/debugNode.ts

@@ -1,5 +1,5 @@
 export const debugNode = {
-  id: 'max/plantarium/debug',
+  id: '__internal/debug/instance',
   inputs: {
     input: {
       type: '*'

app/src/lib/node-registry/groupNode.ts

@@ -0,0 +1,13 @@
+export const groupNode = {
+  id: '__internal/group/instance',
+  meta: { title: 'Group' },
+  inputs: {
+    input: {
+      type: 'select',
+      values: []
+    }
+  },
+  execute(_data: Int32Array): Int32Array {
+    return _data;
+  }
+} as const;

app/src/lib/node-registry/node-registry-client.ts

@@ -88,6 +88,7 @@ export class RemoteNodeRegistry implements NodeRegistry {
   }
 
   async fetchNodeDefinition(nodeId: `${string}/${string}/${string}`) {
+    if (nodeId.startsWith('__internal/')) return;
     return this.fetchJson(`nodes/${nodeId}.json`);
   }
 
@@ -109,6 +110,8 @@ export class RemoteNodeRegistry implements NodeRegistry {
           return this.nodes.get(id)!;
         }
 
+        if (id.startsWith('__internal/')) return;
+
         const wasmBuffer = await this.fetchNodeWasm(id);
 
         try {