---
kind: "handler-brief"
title: "Code communities"
---

# Code communities

Use the original case lead and the native runtime defined by the handler. The standalone local model and D2/D3 returns are separate milestones. This site has no independent authority to launch them.

## Read in this order

1. [coder-README](../reading/coder-README.md)
2. [scheduler](../reading/scheduler.md)
3. [coder-contract](../reading/coder-contract.md)
4. [case-lead](../reading/case-lead.md)
5. [fleet-coder](../reading/fleet-coder.md)

## Version and scope

[Source hashes](../sources/manifest.json). These pages are navigation, not replacement contracts. Stop on a missing required input or a failed native restore and report the exact gap. Do not silently continue as a new agent.