Files
deepseek-harness/packages/code-runtime
Chinesezjc 96597c5ed8 fix(code-runtime-python): bind the _done_with_value entry name and correct the residual documentation
Addresses the review's registration-text accuracy findings:
- _run binds _done_with_value into a local (done_with_value_bound) before the
  program runs, closing the __main__._done_with_value = boom success-rewrite
  vector; a regression test rebinds it and returns a legitimate value, asserting
  the success survives.
- README (en + zh): the CPU-recheck bullet now states the recheck runs
  unconditionally after the program returns (a pre-return overrun dies there as
  a timeout) and the false-success window is only a trap-SIGXCPU program that
  passes the recheck and overruns during the settlement flush/encode; the
  encoder-deps residual rationale is replaced with the actual one (bash-equivalent
  trust, verdict still delivered via the send_done fallback frame) and names the
  now-bound entry; the t.join() deadlock bullet fixes the subject/object (the
  main coroutine joins the worker, blocking the pump's main event loop).
- The portable-identifier-seam architecture note no longer claims the Python
  backend does not exist.
- Settlement note (en + zh) registers the entry-name binding and the new test.
- All pairings re-recorded; corpus-wide verify-translation-pairing passes 1004.
2026-08-31 14:40:35 +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

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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.