restructuring

Author: christian-bromann

libs/langchain/src/agents/middleware/index.ts

@@ -1,12 +1,11 @@
+/**
+ * Core middleware
+ */
+export * from "./hitl.js";
 export {
   summarizationMiddleware,
   type SummarizationMiddlewareConfig,
 } from "./summarization.js";
-export * from "./hitl.js";
-export {
-  anthropicPromptCachingMiddleware,
-  type PromptCachingMiddlewareConfig,
-} from "./promptCaching.js";
 export {
   dynamicSystemPromptMiddleware,
   type DynamicSystemPromptMiddlewareConfig,
@@ -50,9 +49,21 @@ export {
   toolEmulatorMiddleware,
   type ToolEmulatorOptions,
 } from "./toolEmulator.js";
+
+/**
+ * Provider specific middleware
+ */
 export {
   openAIModerationMiddleware,
   type OpenAIModerationMiddlewareOptions,
 } from "./provider/openai/moderation.js";
+export {
+  anthropicPromptCachingMiddleware,
+  type PromptCachingMiddlewareConfig,
+} from "./provider/anthropic/promptCaching.js";
+
+/**
+ * Types and utilities
+ */
 export { type AgentMiddleware } from "./types.js";
 export { countTokensApproximately } from "./utils.js";

libs/langchain/src/agents/middleware/promptCaching.ts renamed to libs/langchain/src/agents/middleware/provider/anthropic/promptCaching.ts

@@ -2,8 +2,8 @@ import { z } from "zod/v3";
 import { ContentBlock } from "@langchain/core/messages";
 import { InferInteropZodInput } from "@langchain/core/utils/types";
 
-import { ConfigurableModel } from "../../chat_models/universal.js";
-import { createMiddleware } from "../middleware.js";
+import { ConfigurableModel } from "../../../../chat_models/universal.js";
+import { createMiddleware } from "../../../middleware.js";
 
 const DEFAULT_ENABLE_CACHING = true;
 const DEFAULT_TTL = "5m";

libs/langchain/src/agents/middleware/tests/promptCaching.int.test.ts renamed to libs/langchain/src/agents/middleware/provider/anthropic/tests/promptCaching.int.test.ts

@@ -11,7 +11,7 @@ import {
 } from "@langchain/anthropic";
 
 import { anthropicPromptCachingMiddleware } from "../promptCaching.js";
-import { createAgent } from "../../index.js";
+import { createAgent } from "../../../../index.js";
 
 /**
  * Mock the Anthropic module to return a ChatAnthropicMock instance

libs/langchain/src/agents/middleware/tests/promptCaching.test.ts renamed to libs/langchain/src/agents/middleware/provider/anthropic/tests/promptCaching.test.ts

@@ -15,7 +15,7 @@ import type { LanguageModelLike } from "@langchain/core/language_models/base";
 import { ChatOpenAI } from "@langchain/openai";
 
 import { anthropicPromptCachingMiddleware } from "../promptCaching.js";
-import { createAgent } from "../../index.js";
+import { createAgent } from "../../../../index.js";
 
 function createMockModel(name = "ChatAnthropic", modelType = "anthropic") {
   // Mock Anthropic model