Files
deepseek-harness/packages/code-runtime
Chinesezjc 202c428137 docs(code-runtime-python): correct the fallback-mechanism wording and the no-fail-before count
Addresses the bot's keep-current review findings:
- The module-level fallback comment now states the mechanism truthfully: the
  module globals are RAW primitives bound into _run LOCALS before the program
  runs (the immunity lives in the frame-local binding, not the module global);
  and the fallback literal <unrenderable> is distinguished from the failure
  reporter's _UNRENDERABLE_DIAGNOSTIC text.
- The settlement note's fallback mechanism wording, the transitive-name rebind
  case (now listing the three fallback primitives), and the no-fail-before count
  are aligned en/zh; the zh Problem paste damage is fixed and the Consequences
  count is ten with the 10th item.
- Pairing re-recorded and consistent.
2026-08-31 14:34:09 +08:00
..

description, kind
description kind
Package map for the code-execution capability family: what program execution does for you, and which package owns each part. package-group

code-runtime/ — code-execution capability family

English | 中文

Summary

The code-runtime/ group provides program execution: a model writes one program that calls host-provided functions as ordinary async calls, and a runtime executes it in isolation and returns only what the program printed and returned. One package defines the shared capability (ctx.codeRuntime), a second executes TypeScript programs in a fresh Node worker thread, and a third owns the wire protocol between a Node host and a CPython subprocess for the Python backend. Every run is independent — no state carries from one program to the next — and failures come back as part of the result, so the caller can see why a program failed and feed that back to the model.

Table of Contents


Packages

These three packages together provide program execution; each README describes what its part does.

Package Role ctx key
code-runtime/ Defines what a code runtime does: run one program against host-provided bindings and report what it printed and returned ctx.codeRuntime
code-runtime-worker-thread/ Executes TypeScript programs, each in a fresh Node worker thread registers ctx.codeRuntime
code-runtime-python/ Owns the fd-3 wire protocol between a Node host and a CPython subprocess, the Python backend's protocol layer

Start with the subsystem reference for the service contract, then the PTC mode design that consumes this capability and the capability-seam model it follows.

Dev Note

Working context for maintainers — click to expand

None.