# Documentation for Chainlit developers, contributors, and AI coding assistants.

See also:

- [CONTRIBUTING.md](../CONTRIBUTING.md) — contribution guidelines
- [CHANGELOG.md](../CHANGELOG.md) — release history

## Research

Internal notes on CI, tooling, and test layout:

- [CI cache optimization](research/ci-cache-optimization.md)
- [Copilot type-checking](research/copilot-type-checking.md)
- [E2E parallel execution](research/e2e-parallel-execution.md)