add docs

Author: christian-bromann

libs/providers/langchain-anthropic/README.md

@@ -525,25 +525,21 @@ Available commands:
 - Restart the session: `{ restart: true }`
 
 ```typescript
-import {
-  ChatAnthropic,
-  tools,
-  type Bash20250124Command,
-} from "@langchain/anthropic";
+import { ChatAnthropic, tools } from "@langchain/anthropic";
 import { execSync } from "child_process";
 
 const llm = new ChatAnthropic({
   model: "claude-sonnet-4-5-20250929",
 });
 
 const bash = tools.bash_20250124({
-  execute: async (args: Bash20250124Command) => {
+  execute: async (args) => {
     if (args.restart) {
       // Reset session state
       return "Bash session restarted";
     }
     try {
-      const output = execSync(args.command!, {
+      const output = execSync(args.command, {
         encoding: "utf-8",
         timeout: 30000,
       });