Two files, one repository

Sections

•   Global development guidelines for the LangChain monorepo
•   Project architecture and context
•   Monorepo structure
•   Development tools & commands
•   For all groups
•   or, to install a specific group only:
•   Run unit tests (no network)
•   Run specific test file
•   Lint code
•   Format code
•   Type checking
•   Core development principles
•   Maintain stable public interfaces
•   Code quality standards
•   Testing requirements
•   Security and risk assessment
•   Documentation standards
•   Model profiles
•   Run from libs/model-profiles
•   Refresh profiles for a partner in this repo
•   Refresh profiles for a partner in an external repo (requires echo y to confirm)
•   CI/CD infrastructure
•   Release process
•   PR labeling and linting
•   Integration test tracing (LangSmith)
•   Adding a new partner to CI
•   GitHub Actions & Workflows
•   Additional resources

Commands

•   uv sync --all-groups
•   uv sync --group test
•   make test
•   uv run --group test pytest tests/unit_tests/test_specific.py
•   make lint
•   make format
•   uv run --group lint mypy .
•   make
•   ruff
•   mypy
•   pytest
•   uv lock
•   poetry
•   uv sync
•   gh workflow run

Section tags

•   setup
•   test
•   lint-format
•   code-style
•   architecture
•   types
•   testing-strategy
•   git-pr
•   security
•   deployment
•   monorepo
•   do-not
•   agent-behaviour
•   docs