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feat: upgrade LangGraph to 1.x and migrate deprecated APIs

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- Bump langgraph from 0.4 to 1.0+, langgraph-supervisor from 0.0.12 to 0.0.30+
- Bump langchain-core, langchain-anthropic, langchain-openai to 1.x
- Add langchain>=1.0 dependency for new create_agent location
- Migrate create_react_agent -> create_agent (prompt -> system_prompt)
- Fix create_supervisor positional arg to named agents= parameter
- Replace AsyncMock checkpointer with InMemorySaver in tests (v1 type validation)
- Update version references in README, ARCHITECTURE, eng-review-plan
This commit is contained in:
Yaojia Wang
2026-04-06 14:51:51 +02:00
parent be5c84bcff
commit b8654aa31f
6 changed files with 22 additions and 20 deletions
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docs/ARCHITECTURE.md
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@@ -63,7 +63,7 @@ Smart Support 通过 MCP 协议连接内部系统,将自动化率提升到 60%+
v
+--------+--------------------+
| LangGraph Supervisor | (Agent 编排 + 意图路由)
| langgraph-supervisor 0.0.12+|
| langgraph-supervisor 0.0.30+|
+--------+--------------------+
|
+----+----+----+----+
@@ -315,7 +315,7 @@ Agent 调用写操作工具
|------|------|------|
| 语言 | Python 3.11+ | LangGraph/LangChain 生态首选语言, Agent 开发最成熟 |
| Web 框架 | FastAPI | 原生 async, WebSocket 支持, 性能优秀 |
| Agent 编排 | LangGraph v1.1 + langgraph-supervisor | 内置 supervisor 模式, 中间件支持, 不重复造轮子 |
| Agent 编排 | LangGraph 1.x + langgraph-supervisor | 内置 supervisor 模式, 中间件支持, 不重复造轮子 |
| MCP 集成 | langchain-mcp-adapters | MultiServerMCPClient 管理多 MCP 连接 |
| 本地工具 | LangChain @tool 装饰器 | 简单 Python 函数即工具, 无 MCP 开销 |
| 状态持久化 | PostgresSaver (langgraph-checkpoint-postgres v3.0.5) | 从第一天起用 PostgreSQL, 支持回放/分析查询 |