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fix: migrate from deprecated create_react_agent to langchain.agents.create_agent (#802)

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* fix: migrate from deprecated create_react_agent to langchain.agents.create_agent

Fixes #799

- Replace deprecated langgraph.prebuilt.create_react_agent with
  langchain.agents.create_agent (LangGraph 1.0 migration)
- Add DynamicPromptMiddleware to handle dynamic prompt templates
  (replaces the 'prompt' callable parameter)
- Add PreModelHookMiddleware to handle pre-model hooks
  (replaces the 'pre_model_hook' parameter)
- Update AgentState import from langchain.agents in template.py
- Update tests to use the new API

* fix:update the code with review comments
This commit is contained in:
Willem Jiang
2026-01-07 09:06:16 +08:00
committed by GitHub
parent 1ced90b055
commit d4ab77de5c
5 changed files with 440 additions and 14 deletions
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src/prompts/template.py
+1 -1
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@@ -6,7 +6,7 @@ import os
from datetime import datetime
from jinja2 import Environment, FileSystemLoader, TemplateNotFound, select_autoescape
from langgraph.prebuilt.chat_agent_executor import AgentState
from langchain.agents import AgentState
from src.config.configuration import Configuration