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fix(summarization): prevent context overflow and orphaned tool messages #228

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fix(summarization): prevent context overflow and orphaned tool messages #228

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20 changes: 11 additions & 9 deletions libs/deepagents/src/agent.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,6 @@ import {
humanInTheLoopMiddleware,
anthropicPromptCachingMiddleware,
todoListMiddleware,
summarizationMiddleware,
SystemMessage,
type AgentMiddleware,
type ResponseFormat,
Expand All @@ -24,6 +23,7 @@ import {
createSkillsMiddleware,
type SubAgent,
} from "./middleware/index.js";
import { createSummarizationMiddleware } from "./middleware/summarization.js";
import { StateBackend } from "./backends/index.js";
import { InteropZodObject } from "@langchain/core/utils/types";
import { CompiledSubAgent } from "./middleware/subagents.js";
Expand Down Expand Up @@ -216,10 +216,11 @@ export function createDeepAgent<
createFilesystemMiddleware({
backend: filesystemBackend,
}),
summarizationMiddleware({
model,
trigger: { tokens: 170_000 },
keep: { messages: 6 },
createSummarizationMiddleware({
model: model as string,
backend: filesystemBackend,
trigger: { type: "tokens", value: 130_000 },
keep: { type: "messages", value: 6 },
}),
anthropicPromptCachingMiddleware({
unsupportedModelBehavior: "ignore",
Expand Down Expand Up @@ -265,10 +266,11 @@ export function createDeepAgent<
/**
* Automatically summarizes conversation history when token limits are approached
*/
summarizationMiddleware({
model,
trigger: { tokens: 170_000 },
keep: { messages: 6 },
createSummarizationMiddleware({
model: model as string,
backend: filesystemBackend,
trigger: { type: "tokens", value: 130_000 },
keep: { type: "messages", value: 6 },
}),
/**
* Enables Anthropic prompt caching for improved performance and reduced costs
Expand Down
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