[graph-playground] Use Core Kit in accumulating-context.

seeds/core-kit/src/index.ts

@@ -4,4 +4,29 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-console.log("code goes here");
+import { KitBuilder } from "@google-labs/breadboard/kits";
+
+import importHandler from "./nodes/import.js";
+import include from "./nodes/include.js";
+import invoke from "./nodes/invoke.js";
+import lambda from "./nodes/lambda.js";
+import passthrough from "./nodes/passthrough.js";
+import reflect from "./nodes/reflect.js";
+import slot from "./nodes/slot.js";
+
+const builder = new KitBuilder({
+  title: "Core Kit",
+  description: "A Breadboard kit that enables composition and reuse of boards",
+  version: "0.0.1",
+  url: "npm:@google-labs/core-kit",
+});
+
+export const Core = builder.build({
+  import: importHandler,
+  include,
+  invoke,
+  lambda,
+  passthrough,
+  reflect,
+  slot,
+});

seeds/graph-playground/graphs/accumulating-context.json

@@ -139,6 +139,9 @@
       "description": "A kit that provides a few necessary components for wiring boards that use PaLM API.",
       "version": "0.0.1",
       "url": "npm:@google-labs/llm-starter"
+    },
+    {
+      "url": "npm:@google-labs/core-kit"
     }
   ]
 }

seeds/graph-playground/package.json

@@ -56,6 +56,7 @@
   "dependencies": {
     "@clack/prompts": "^0.6.3",
     "@google-labs/breadboard": "*",
+    "@google-labs/core-kit": "*",
     "@google-labs/graph-integrity": "*",
     "@google-labs/llm-starter": "*",
     "@google-labs/pinecone-kit": "*",

seeds/graph-playground/src/boards/accumulating-context.ts

@@ -6,6 +6,7 @@
 
 import { Board } from "@google-labs/breadboard";
 import { Starter } from "@google-labs/llm-starter";
+import { Core } from "@google-labs/core-kit";
 
 const board = new Board({
   title: "Accumulating Context",
@@ -14,6 +15,7 @@ const board = new Board({
   version: "0.0.1",
 });
 const kit = board.addKit(Starter);
+const core = board.addKit(Core);
 
 // Store input node so that we can refer back to it to create a conversation
 // loop.
@@ -47,7 +49,7 @@ const conversationMemory = kit.append({
 // Wire memory to accumulate: loop it to itself.
 conversationMemory.wire("accumulator->", conversationMemory);
 
-board.passthrough({ $id: "start" }).wire(
+core.passthrough({ $id: "start" }).wire(
   "->",
   input
     .wire(