fix(anthropic): cover retry stream recreation (#1588)

Co-authored-by: Krishna Shukla <shuklakrishna.kris@gmail.com>
Co-authored-by: rosetta-livekit-bot[bot] <282703043+rosetta-livekit-bot[bot]@users.noreply.github.com>
Co-authored-by: David Zhao <dz@livekit.io>
Co-authored-by: devin-ai-integration[bot] <158243242+devin-ai-integration[bot]@users.noreply.github.com>

Author: 4 people

.changeset/many-kiwis-lose.md

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+---
+"@livekit/agents-plugin-anthropic": patch
+---
+
+fix(anthropic): add non-whitespace trailing dummy

.changeset/orange-squids-cover.md

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+---
+'@livekit/agents-plugin-anthropic': patch
+---
+
+added anthropic plugin

plugins/anthropic/README.md

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+# @livekit/agents-plugin-anthropic
+
+Anthropic plugin for LiveKit Node Agents.
+
+## Installation
+
+```bash
+npm install @livekit/agents-plugin-anthropic
+```
+
+## Usage
+
+```typescript
+import * as anthropic from '@livekit/agents-plugin-anthropic';
+
+const session = new voice.AgentSession({
+  llm: new anthropic.LLM({
+    model: 'claude-sonnet-4-6',
+  }),
+});
+```

plugins/anthropic/api-extractor.json

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+/**
+ * Config file for API Extractor.  For more info, please visit: https://api-extractor.com
+ */
+{
+  "$schema": "https://developer.microsoft.com/json-schemas/api-extractor/v7/api-extractor.schema.json",
+
+  /**
+   * Optionally specifies another JSON config file that this file extends from.  This provides a way for
+   * standard settings to be shared across multiple projects.
+   *
+   * If the path starts with "./" or "../", the path is resolved relative to the folder of the file that contains
+   * the "extends" field.  Otherwise, the first path segment is interpreted as an NPM package name, and will be
+   * resolved using NodeJS require().
+   *
+   * SUPPORTED TOKENS: none
+   * DEFAULT VALUE: ""
+   */
+  "extends": "../../api-extractor-shared.json",
+  "mainEntryPointFilePath": "./dist/index.d.ts"
+}

plugins/anthropic/package.json

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+{
+  "name": "@livekit/agents-plugin-anthropic",
+  "version": "1.0.0",
+  "description": "Anthropic plugin for LiveKit Node Agents",
+  "main": "dist/index.js",
+  "require": "dist/index.cjs",
+  "types": "dist/index.d.ts",
+  "exports": {
+    "import": {
+      "types": "./dist/index.d.ts",
+      "default": "./dist/index.js"
+    },
+    "require": {
+      "types": "./dist/index.d.cts",
+      "default": "./dist/index.cjs"
+    }
+  },
+  "author": "LiveKit",
+  "type": "module",
+  "repository": "git@github.com:livekit/agents-js.git",
+  "license": "Apache-2.0",
+  "files": [
+    "dist",
+    "src",
+    "README.md"
+  ],
+  "scripts": {
+    "build": "tsup --onSuccess \"pnpm build:types\"",
+    "build:types": "tsc --declaration --emitDeclarationOnly && node ../../scripts/copyDeclarationOutput.js",
+    "clean": "rm -rf dist",
+    "clean:build": "pnpm clean && pnpm build",
+    "lint": "eslint -f unix \"src/**/*.{ts,js}\"",
+    "api:check": "api-extractor run --typescript-compiler-folder ../../node_modules/typescript",
+    "api:update": "api-extractor run --local --typescript-compiler-folder ../../node_modules/typescript --verbose"
+  },
+  "devDependencies": {
+    "@livekit/agents": "workspace:*",
+    "@livekit/agents-plugins-test": "workspace:*",
+    "@livekit/rtc-node": "catalog:",
+    "@microsoft/api-extractor": "^7.35.0",
+    "tsup": "^8.3.5",
+    "typescript": "^5.0.0",
+    "zod": "^3.25.76 || ^4.1.8"
+  },
+  "dependencies": {
+    "@anthropic-ai/sdk": "^0.33.1"
+  },
+  "peerDependencies": {
+    "@livekit/agents": "workspace:*",
+    "@livekit/rtc-node": "catalog:"
+  }
+}

plugins/anthropic/src/index.ts

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+// SPDX-FileCopyrightText: 2026 LiveKit, Inc.
+//
+// SPDX-License-Identifier: Apache-2.0
+import { Plugin } from '@livekit/agents';
+
+export { LLM, LLMStream, type LLMOptions } from './llm.js';
+export * from './models.js';
+
+class AnthropicPlugin extends Plugin {
+  constructor() {
+    super({
+      title: 'anthropic',
+      version: __PACKAGE_VERSION__,
+      package: __PACKAGE_NAME__,
+    });
+  }
+}
+
+Plugin.registerPlugin(new AnthropicPlugin());