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fix(runtime): close teardown gaps and simplify framing

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Tianyi Cui
2026-07-29 13:51:55 +08:00
parent 045e8462ee
commit 4fecc54998
20 changed files with 164 additions and 36 deletions
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.agents/notes/implemented/feature/2026-06-15-code-mode.md
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@@ -79,7 +79,7 @@ Requests contain every runtime input; implementations own validated timeout and
5. **Enforce independent budgets.** `computeMs` meters worker busy time, allowing slow awaited tools without excusing a hot loop. `maxWallMs` bounds total elapsed time, including unresolved waits. `maxOutputBytes` bounds only the combined serialized outer logs, completion, or diagnostic; intermediate binding values have no byte cap. Expiry, cancellation, and completion terminate the worker, and heap exits or outer overflow are explicit failures.
6. **Dispose to quiescence**: the service's own disposal terminates in-flight workers and *awaits* their exits before resolving, per [defensive patterns](../../../../docs/defensive-patterns.md).
`@deepseek-ai/dsh-code-runtime-subprocess` preserves those program, binding, output, and worker-budget semantics across a filesystem/subprocess execution world. It writes a dependency-free runner below `ctx.subprocess.runtimeRoot`, resolves Node through the provider, and carries binding traffic over bounded base64 JSON frames on raw pipes. The heap-bounded worker rejects expanded completion wires before MessagePort transfer; terminal settlement asks the launcher to reap its controller and keeps process-group escalation armed until `waitForExit()` confirms whole-tree quiescence. The [portable execution-world decision](../architecture/2026-07-28-portable-execution-world-consumers.md) owns why this generic backend replaces provider-specific Code Runtime packages; `dsh-code-runtime-worker` remains the single-process and single-file-distribution path.
`@deepseek-ai/dsh-code-runtime-subprocess` preserves those program, binding, output, and worker-budget semantics across a filesystem/subprocess execution world. It writes a dependency-free runner below `ctx.subprocess.runtimeRoot`, resolves Node through the provider, and carries binding traffic over bounded newline-delimited UTF-8 JSON frames on raw pipes. The heap-bounded worker rejects expanded completion wires before MessagePort transfer; terminal settlement asks the launcher to reap its controller and keeps process-group escalation armed until `waitForExit()` confirms whole-tree quiescence. The [portable execution-world decision](../architecture/2026-07-28-portable-execution-world-consumers.md) owns why this generic backend replaces provider-specific Code Runtime packages; `dsh-code-runtime-worker` remains the single-process and single-file-distribution path.
### Trust posture