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docs(code-runtime-python): register the unknown-binding preview cap in the settlement note

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The review's suggestion: the settlement note enumerates each review fix in this
PR, so the unknown-binding preview cap (escaped from a 1 KiB prefix,
capMessage still enforces the reply budget) gets its own short section, paired
and re-recorded.
This commit is contained in:
Chinesezjc
2026-08-31 15:07:40 +08:00
committed by Tianyi Cui
parent a6678610b8
commit 391e29ec8a
3 changed files with 10 additions and 2 deletions
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.agents/notes/implemented/bug-fix/2026-07-31-code-runtime-python-settlement-fixes.i18n.yaml
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# side as of the last confirmed-consistent state. Both languages carry equal authority;
# after editing either side, bring the other along and re-record with:
# pnpm run verify-translation-pairing --write .agents/notes/implemented/bug-fix/2026-07-31-code-runtime-python-settlement-fixes.md
2026-07-31-code-runtime-python-settlement-fixes.md: 6a3b484a27906df2e9fd92785bb9b767d889b165
2026-07-31-code-runtime-python-settlement-fixes.zh.md: 1c6223195308d764d3fa51f63d34e36873d49548
2026-07-31-code-runtime-python-settlement-fixes.md: 62342c5ca6cd0d7454c122416b5176bd623c4063
2026-07-31-code-runtime-python-settlement-fixes.zh.md: d8c48459b61890d856bc960bb935788a422e7188
.agents/notes/implemented/bug-fix/2026-07-31-code-runtime-python-settlement-fixes.md
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@@ -12,6 +12,10 @@ The CPython subprocess backend for Code Mode, built on the [fd-3 frame protocol]
Independent corrections, each in the package that owns the defect.
### The unknown-binding preview is escaped from a 1 KiB prefix
The unknown-binding reply built its message with `JSON.stringify` over the WHOLE capped target (`global` + `.` + `name`, each up to `maxValueBytes` code units) — the escaped form could reach ~6x the input under control-heavy fields, a multi-hundred-MB spike near the `maxValueBytes` ceiling that no hostile-peer bound would have admitted. The preview is now escaped from a 1 KiB prefix of the target (enough to identify the binding); `capMessage` still enforces the reply budget.
### A merged open-log entry is billed once, split across its fragments
An explicit `flush()` of an unterminated line emits a `log` frame with `open: true`, and the host appends the next frame to the SAME entry (`print('a', end='', flush=True); print('b')` reads back as one `'ab'` entry, not a fake newline). The split-billing arithmetic — first fragment pays quotes+content+separator, continuations and the closing frame pay content only, host caps `logBudget - 1`/`logBudget + 2`, the sub-2-byte walk guard, the child's `_open_started` keying — is stated once, in the [fd-3 protocol note's wire-contract section](../architecture/2026-07-31-code-runtime-python-fd3-protocol.md).
.agents/notes/implemented/bug-fix/2026-07-31-code-runtime-python-settlement-fixes.zh.md
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@@ -12,6 +12,10 @@ Status: implemented
若干处相互独立的修正，各自位于拥有对应缺陷的包中。
### unknown-binding 预览从 1 KiB 前缀转义
unknown-binding 回复用 `JSON.stringify` 对完整的限幅 target（`global` 加 `.` 加 `name`，各最多 `maxValueBytes` 个 code unit）构造消息——在控制字符密集字段下转义形式可达输入的约 6 倍，在 `maxValueBytes` 上限附近产生数亿字节峰值，这是任何敌意对等方边界都不会放行的。预览现在从 target 的 1 KiB 前缀转义（足以辨识 binding）；`capMessage` 仍执行回复预算。
### 合并的 open 日志条目只计费一次，按片段分摊
未结束行的显式 `flush()` 发出带 `open: true` 的 `log` 帧，宿主把下一个帧追加到同一条目（`print('a', end='', flush=True); print('b')` 读回为一条 `'ab'` 条目而不是假换行）。拆分计费算术——首片段付引号加内容加分隔符、续接与闭合帧只付内容、宿主 cap `logBudget - 1`／`logBudget + 2`、低于 2 字节的 walk guard、子进程的 `_open_started` 键控——只登记一次，见 [fd-3 协议 note 的 wire-contract 段](../architecture/2026-07-31-code-runtime-python-fd3-protocol.zh.md)。