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LangGraph orchestration

Stateful agents с checkpoints, ветвлениями и human approval — production-grade, не prototype chain.

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LangGraph — framework для stateful multi-actor applications с LLM. Bober AI Systems использует его как standard orchestration layer для sales agents, document approval bots и support copilots.

Graph nodes: classify → retrieve → propose action → human approve → execute tool → verify. Checkpoints позволяют resume после рестарта или overnight wait.

Integrations via MCP tools and custom APIs. Same graphs power text and voice channels.

Observability: LangSmith or OpenTelemetry traces per node — видно где agent fails.

Projects — 3–6 weeks for first graph in production. Part of llm-development and ai-agent offerings.

We train client teams on graph extension patterns — add node, not rewrite system.

Limits of simple chains

  • Linear LangChain chains не переживают retry и resume
  • Long-running workflows теряют state при сбое
  • Нет explicit human approval nodes
  • Debugging multi-step LLM — black box

Deliverables

  • LangGraph graph design и implementation
  • PostgreSQL checkpoints для durable state
  • Human-in-the-loop UI или Telegram approve
  • Tracing, eval, production deployment

Подход

01

Graph design

State schema, nodes, edges, interrupt points.

02

Implementation

Python TS, tests per node, mock tools.

03

Persistence

Checkpointer, thread IDs, concurrency.

04

Production

API expose, scaling, monitoring.

LangGraph runtime

  • Graph definition (Python) + compiled app
  • PostgreSQL checkpointer
  • Tool/MCP execution layer
  • FastAPI endpoint / worker queue
  • Eval harness per graph path

Эффект

resume

long workflows after failure

−40%

debug time vs ad-hoc chains

3–6 нед.

first production graph

FAQ

LangGraph vs Temporal?
LangGraph LLM-native. Temporal — broader workflows, can combine.
JS or Python?
Python primarily for LLM ecosystem.
Streaming?
Node-level streaming to UI.
Versioning graphs?
Feature flags, parallel graph versions.
Cost?
Included in agent/LLM project quotes.
Training?
Workshop on graph patterns for client devs.

Связанные услуги

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Stateful agents с checkpoints, ветвлениями и human approval — production-grade, не prototype chain.