Merge branch 'main' into update-llmstxt

docs/llms.txt

@@ -1,35 +1,65 @@
 # LangGraph
 
-LangGraph documentation has moved to docs.langchain.com.
+> LangGraph is a framework for building stateful, multi-actor applications with LLMs. Gain control with LangGraph to design agents that reliably handle complex tasks.
 
-## Overview
+LangGraph documentation has moved to https://docs.langchain.com/oss/python/langgraph/overview.
 
-- [LangGraph Overview](https://docs.langchain.com/oss/python/langgraph/overview): Introduction to LangGraph, a library for building stateful, multi-actor applications with LLMs.
+## Docs
-- [Why LangGraph?](https://docs.langchain.com/oss/python/langgraph/why-langgraph): Motivation for LangGraph and its key features.
+
+- [LangGraph overview](https://docs.langchain.com/oss/python/langgraph/overview): Gain control with LangGraph to design agents that reliably handle complex tasks
+- [Quickstart](https://docs.langchain.com/oss/python/langgraph/quickstart): Build your first LangGraph agent
+- [Install LangGraph](https://docs.langchain.com/oss/python/langgraph/install): Install the LangGraph package
+- [Thinking in LangGraph](https://docs.langchain.com/oss/python/langgraph/thinking-in-langgraph): Learn how to think about building agents with LangGraph
+- [Workflows and agents](https://docs.langchain.com/oss/python/langgraph/workflows-agents): Understand the difference between workflows and agents in LangGraph
+
+## APIs
+
+- [Graph API overview](https://docs.langchain.com/oss/python/langgraph/graph-api): Learn about the Graph API for building stateful applications
+- [Use the graph API](https://docs.langchain.com/oss/python/langgraph/use-graph-api): Build agents using the Graph API
+- [Functional API overview](https://docs.langchain.com/oss/python/langgraph/functional-api): Learn about the Functional API for building agents
+- [Use the functional API](https://docs.langchain.com/oss/python/langgraph/use-functional-api): Build agents using the Functional API
+- [Choosing between Graph and Functional APIs](https://docs.langchain.com/oss/python/langgraph/choosing-apis): Decide which API to use for your use case
 
 ## Core Concepts
 
-- [Graph API](https://docs.langchain.com/oss/python/langgraph/graph-api): Learn how to define state, create nodes, and connect them with edges.
+- [Persistence](https://docs.langchain.com/oss/python/langgraph/persistence): Save and restore graph state
-- [Streaming](https://docs.langchain.com/oss/python/langgraph/streaming): Stream outputs from your graph for better UX.
+- [Memory](https://docs.langchain.com/oss/python/langgraph/add-memory): Add memory to your agents
-- [Persistence](https://docs.langchain.com/oss/python/langgraph/persistence): Add memory and checkpointing to your graphs.
+- [Memory overview](https://docs.langchain.com/oss/python/langgraph/memory): Understand memory concepts in LangGraph
-- [Add Memory](https://docs.langchain.com/oss/python/langgraph/add-memory): Implement short-term and long-term memory.
+- [Streaming](https://docs.langchain.com/oss/python/langgraph/streaming): Stream outputs from your graphs
-- [Workflows & Agents](https://docs.langchain.com/oss/python/langgraph/workflows-agents): Build agents and workflows with LangGraph.
+- [Interrupts](https://docs.langchain.com/oss/python/langgraph/interrupts): Pause and resume graph execution for human-in-the-loop workflows
+- [Subgraphs](https://docs.langchain.com/oss/python/langgraph/use-subgraphs): Compose graphs with subgraphs
+- [Durable execution](https://docs.langchain.com/oss/python/langgraph/durable-execution): Build resilient agents with durable execution
+- [Use time-travel](https://docs.langchain.com/oss/python/langgraph/use-time-travel): Debug and replay agent execution
 
-## How-To Guides
+## Architecture
 
-- [Use Subgraphs](https://docs.langchain.com/oss/python/langgraph/use-subgraphs): Compose graphs using subgraphs.
+- [Application structure](https://docs.langchain.com/oss/python/langgraph/application-structure): Structure your LangGraph applications
-- [Observability](https://docs.langchain.com/oss/python/langgraph/observability): Add tracing and debugging to your graphs.
+- [LangGraph runtime](https://docs.langchain.com/oss/python/langgraph/pregel): Understand the LangGraph runtime
-- [Common Errors](https://docs.langchain.com/oss/python/langgraph/common-errors): Troubleshoot common LangGraph errors.
+
+## Deployment & Operations
+
+- [LangSmith Deployment](https://docs.langchain.com/oss/python/langgraph/deploy): Deploy LangGraph applications to LangSmith
+- [Run a local server](https://docs.langchain.com/oss/python/langgraph/local-server): Run a LangGraph server locally
+- [LangSmith Observability](https://docs.langchain.com/oss/python/langgraph/observability): Monitor and trace LangGraph applications
+- [LangSmith Studio](https://docs.langchain.com/oss/python/langgraph/studio): Debug and visualize LangGraph applications
+- [Agent Chat UI](https://docs.langchain.com/oss/python/langgraph/ui): Build chat interfaces for your agents
+- [Test](https://docs.langchain.com/oss/python/langgraph/test): Test your LangGraph applications
 
 ## Tutorials
 
-- [Agentic RAG](https://docs.langchain.com/oss/python/langgraph/agentic-rag): Build an agentic RAG system with LangGraph.
+- [Build a custom RAG agent with LangGraph](https://docs.langchain.com/oss/python/langgraph/agentic-rag): Build a retrieval-augmented generation agent
-- [SQL Agent](https://docs.langchain.com/oss/python/langgraph/sql-agent): Create a SQL agent with LangGraph.
+- [Build a custom SQL agent](https://docs.langchain.com/oss/python/langgraph/sql-agent): Build an agent that queries databases
 
 ## Reference
 
-- [API Reference](https://reference.langchain.com/python/langgraph/): Complete API documentation for LangGraph.
+- [Case studies](https://docs.langchain.com/oss/python/langgraph/case-studies): Real-world LangGraph implementations
+- [Changelog](https://docs.langchain.com/oss/python/langgraph/changelog-py): Python package changelog
 
-## LangGraph Platform
+## Errors
 
-For deploying LangGraph applications in production, see the [LangSmith documentation](https://docs.langchain.com/langsmith/agent-server).
+- [GRAPH_RECURSION_LIMIT](https://docs.langchain.com/oss/python/langgraph/errors/GRAPH_RECURSION_LIMIT): Graph exceeded maximum recursion depth
+- [INVALID_CHAT_HISTORY](https://docs.langchain.com/oss/python/langgraph/errors/INVALID_CHAT_HISTORY): Invalid chat history format
+- [INVALID_CONCURRENT_GRAPH_UPDATE](https://docs.langchain.com/oss/python/langgraph/errors/INVALID_CONCURRENT_GRAPH_UPDATE): Concurrent graph update conflict
+- [INVALID_GRAPH_NODE_RETURN_VALUE](https://docs.langchain.com/oss/python/langgraph/errors/INVALID_GRAPH_NODE_RETURN_VALUE): Invalid return value from graph node
+- [MISSING_CHECKPOINTER](https://docs.langchain.com/oss/python/langgraph/errors/MISSING_CHECKPOINTER): Checkpointer required but not configured
+- [MULTIPLE_SUBGRAPHS](https://docs.langchain.com/oss/python/langgraph/errors/MULTIPLE_SUBGRAPHS): Multiple subgraphs error