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Chinesezjc
f9ab1edc68
Two review findings on checkDoneValue's metering and the wire-mirror binding: - The string/key byte check used a decoded-length lower bound and then called JSON.stringify, which materializes the ~6x escaped copy before the over-budget check — the hundreds-of-MB spike the metered walk exists to avoid. Add jsonStringBytesUpTo, a non-allocating scan that computes the exact escaped UTF-8 size (matching JSON.stringify byte for byte, including surrogate pairs vs lone surrogates) and bails the instant it crosses the remaining budget; use it for both string values and object keys. - The frame roster in WIRE_FRAME_FIELD_ROLES was hand-written, so a frame added to ChildToHost/ReplyMessage without a roster entry slipped past. Introduce WireFrameShapes (name -> interface) as the canonical roster the roles map is bound against, plus a WireFrameShapesCoverUnions compile-time assertion that every message-union member appears in it (verified: adding a frame to a union without a WireFrameShapes entry fails typecheck).
code-runtime/ — code-execution capability family
English | 中文
The code-execution capability seam (see capability seams): an abstract runtime interface for executing one model-written program against host-provided async bindings, capturing what it printed and returned. The consumer is the tool registry's Code Mode (tools: { mode: code } — the run_code tool and the SDK generated in the loaded runtime's language); design in the Code Mode Agent Note. Product packages.
| Package | Role | ctx key |
|---|---|---|
code-runtime/ |
Code-execution seam and shared vocabulary | ctx.codeRuntime |
code-runtime-worker/ |
Worker-thread backend | registers ctx.codeRuntime |
Backends register the seam without changing its consumer. The child READMEs own language, isolation, and execution-budget details.