Ai agent in- Memory saver to custom sqlite saver(#3)

* feat: AI assistant with streaming chat,in memory context with agentcheckpoint and sqlite db for storing chat history

* index on ai-agent: cf8bac5 Merge remote-tracking branch 'upstream/ai-agent' into ai-agent

* refactor: switch from MemorySaver to custom SQLiteSaver

* clean up

* Update from Agent in- Memory saver to custom sqlite saver

* Bug fix; removed async operations from db transactions

* linting

Author: vizzyfreezy

src/pages/aiAssistant/assistant.js

@@ -1,6 +1,5 @@
 import { isAIMessageChunk } from "@langchain/core/messages";
 import { ChatGoogleGenerativeAI } from "@langchain/google-genai";
-import { MemorySaver } from "@langchain/langgraph-checkpoint";
 import { createReactAgent } from "@langchain/langgraph/prebuilt";
 import confirm from "dialogs/confirm";
 import select from "dialogs/select";
@@ -18,6 +17,7 @@ import {
 	getMessagesForConversation,
 	updateConversation,
 } from "./db";
+import { CordovaSqliteSaver } from "./memory";
 import { SYSTEM_PROMPT } from "./system_prompt";
 import { allTools } from "./tools";
 
@@ -39,7 +39,10 @@ export default function openAIAssistantPage() {
 
 	const GEMINI_API_KEY = ""; // Replace
 
-	const agentCheckpointer = new MemorySaver();
+	const searchTool = {
+		googleSearch: {},
+	};
+	const agentCheckpointer = new CordovaSqliteSaver();
 	const model = new ChatGoogleGenerativeAI({
 		model: "gemini-2.0-flash",
 		apiKey: GEMINI_API_KEY,