fix: rm langchain dependency

Author: CahidArda

bun.lockb

@@ -108,7 +108,6 @@
     "@ai-sdk/openai": "^1.0.15",
     "@upstash/qstash": "^2.7.20",
     "ai": "^4.0.30",
-    "langchain": "^0.3.11",
     "zod": "^3.24.1"
   },
   "directories": {

package.json

@@ -99,7 +99,6 @@ export const convertLangchainTool = (langchainTool: LangchainTool): AISDKTool =>
   return tool({
     description: langchainTool.description,
     parameters: langchainTool.schema,
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    execute: async (param: any) => langchainTool.invoke(param),
+    execute: async (...param: unknown[]) => langchainTool.invoke(...param),
   });
 };

src/agents/adapters.ts

@@ -1,9 +1,13 @@
 import type { CoreTool, generateText } from "ai";
-import type { Tool } from "langchain/tools";
 import { Agent } from "./agent";
 
 export type AISDKTool = CoreTool;
-export type LangchainTool = Tool;
+export type LangchainTool = {
+  description: string;
+  schema: AISDKTool["parameters"];
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  invoke: (...params: any[]) => any;
+};
 
 type GenerateTextParams = Parameters<typeof generateText>[0];