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feat: add the worker-thread code runtime (dsh-code-runtime-worker)

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The shipped backend of the code-execution seam, per the Code Mode RFC's
worker-thread section: one fresh Node worker per run, executing the
model's TypeScript after a host-side type-strip (wrapped in an
async-function shell so top-level return/await parse, sliced back out
position-preserved), bindings bridged over the message port under
hostile-peer rules (own-property name lookup, at-most-once replies,
post-settlement drops, null-prototype namespaces), logs streamed eagerly
with an in-band truncation marker, and two independent budgets — measured
event-loop busy time (computeMs) plus a never-pausing wall ceiling
(maxWallMs) — funneling into worker.terminate(). env: {} and execArgv: []
keep the isolate hermetic; disposal aborts in-flight runs and awaits
worker exits.

The worker entry loads unbuilt via Node's native type stripping
(src/worker.ts, erasable-only) and ships built as a sibling tsdown bundle
(lib/worker.js); tests/built-lib.e2e.ts pins the built load path under
plain node and joins the built-artifact smoke gate. Unit suites cover the
bootstrap in-process (fake port) and the runtime over real workers,
per-file 100%.
This commit is contained in:
Tianyi Cui
2026-07-08 11:00:06 +08:00
parent 15a3431913
commit 583704ac1d
26 changed files with 1486 additions and 9 deletions
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3
docs/module-graph.md
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@@ -80,9 +80,11 @@ flowchart TD
end
subgraph group_code_runtime["packages/code-runtime"]
pkg_code_runtime["code-runtime"]
pkg_code_runtime_worker["code-runtime-worker"]
end
pkg_llm --> pkg_brand
pkg_bash --> pkg_brand
pkg_code_runtime_worker --> pkg_code_runtime
pkg_llm_deepseek --> pkg_llm
pkg_llm_pi_ai --> pkg_llm
pkg_session --> pkg_brand
@@ -214,6 +216,7 @@ flowchart TD
| [`code-runtime`](../packages/code-runtime/code-runtime) | `code-runtime` | — |
| [`llm`](../packages/llm/llm) | `llm` | [`brand`](../packages/util/brand) |
| [`bash`](../packages/bash/bash) | `bash` | [`brand`](../packages/util/brand) |
| [`code-runtime-worker`](../packages/code-runtime/code-runtime-worker) | `code-runtime` | [`code-runtime`](../packages/code-runtime/code-runtime) |
| [`llm-deepseek`](../packages/llm/llm-deepseek) | `llm` | [`llm`](../packages/llm/llm) |
| [`llm-pi-ai`](../packages/llm/llm-pi-ai) | `llm` | [`llm`](../packages/llm/llm) |
| [`session`](../packages/core/session) | `core` | [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm) |