Merge remote-tracking branch 'origin/master' into mergebot/pr1016

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# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
# 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-composer-glyph-layer-tracks-the-textarea.md
2026-07-31-composer-glyph-layer-tracks-the-textarea.md: d60a100be98683b5f7a7c88edf7585d275134730
2026-07-31-composer-glyph-layer-tracks-the-textarea.zh.md: eab3f9e3fe3bddb426836113d08f1839329119d5

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# Agent Note: The composer's glyph layer tracks the textarea's scroll offset
Status: implemented
English | [中文](2026-07-31-composer-glyph-layer-tracks-the-textarea.zh.md)
## Problem
A composer draft longer than the 14-line cap could not be scrolled. The caret moved and the selection moved, but the words stayed frozen at line 1 — no wheel gesture, drag, or arrow key brought the end of a long draft on screen, so the bottom of anything past ~14 lines was unreachable and unreadable while writing it.
The cap itself was working. The composer paints its text in two stacked layers ([InputBar](../../../../packages/client/ui-conversation/src/client/skeleton/InputBar.tsx)): the `<textarea>` owns the value, the selection, and the caret but renders its own glyphs `color: transparent`, and every visible character is painted by the `[data-input-backdrop]` div beneath it, which also carries the claim-token highlight, the chips, and the ghost hint. That split is what makes chips and highlights possible at all — a textarea cannot style a range of its own text.
The two layers were coupled in geometry but not in scroll. The backdrop is `position: absolute; inset: 0; overflow: hidden`: it is clipped, not scrolled, and nothing in the browser links its offset to the textarea's. Below the cap that is invisible, because both layers rest at offset 0 and the mirror div sizes the box to the draft. At the cap the textarea starts scrolling and the backdrop does not follow, so the layer the user actually reads never moves.
The defect is therefore exactly as old as the cap, and it hid behind the resting state: a short draft, the state every screenshot and every existing fixture captured, renders identically with and without the coupling.
## Decision
`InputBar` mirrors the textarea's `scrollTop` onto the backdrop from one `scroll` listener, registered beside the existing wheel-chaining listener in the same effect (the textarea is never unmounted — the inert state renders the same element disabled).
One listener is the whole coupling, because every way the box moves ends in a `scroll` event on the textarea. A gesture scrolls it; an edit scrolls the caret into view; a draft that shrinks past the current offset clamps it. The clamp case is the one that looks like it needs separate handling and does not: the two layers share an extent, so they clamp to the same maximum, and the textarea's clamp fires the `scroll` that mirrors it.
That shared extent is not free, and mirroring an offset is only correct while it holds. Two things break it, both discovered in review, both failing in the same direction — a backdrop shorter than the textarea, so the assignment clamps and the glyphs sit below the caret. A textarea reserves a line box for the caret after a final newline; `white-space: pre-wrap` collapses a text node's trailing newline and generates none. A draft ending in a newline therefore made the backdrop exactly one line shorter than the textarea — measured 628 against 652 — so the assignment clamped and the glyphs sat a line behind the caret at the very bottom. The backdrop now carries the same trailing-line sentinel the mirror div already did: its content is the decoration walk plus one `'\n'`, which the same collapse absorbs when the draft does not end in a newline and which supplies the missing line box when it does. Measured across plain, trailing-newline, soft-wrapping, unbreakable-run, and interior-blank-line drafts, the two extents now agree in every case.
The second premise is wrap width, and it is asserted rather than fixed. Only `.input` scrolls, so only `.input` can lose content width to a scrollbar that consumes layout space, and a narrower `.input` wraps a long draft onto more lines — worth 2 to 5 lines for an 8px difference, measured on a standalone harness, while at equal widths a textarea and a div agree exactly. Measured on the running app across the three engines Playwright ships, the widths agree on two and not on the third:
| engine | `.input` / `.backdrop` / `.mirror` wrap width | extents |
|---|---|---|
| chromium | 776 / 776 / 776 | equal |
| firefox | 776 / 776 / 776 | equal |
| WebKit | **768** / 776 / 776 | equal for the drafts measured |
WebKit's textarea loses 8px to its scrollbar while the clipped layers keep theirs. That gap predates this change and is not closed here; the mirror is unaffected on the drafts measured because the extents still agree, but a draft whose wrapping is sensitive at exactly that width would make `.input` taller and clamp the mirrored offset. The scenario asserts the equality on the lane's engine, so a regression into that state fails loudly rather than silently.
`scrollbar-gutter: stable` on the shared metrics block was tried and removed. WebKit applies it to `overflow-y: auto` but not to `overflow: hidden`, so it left `.input` at 768 against 776 — exactly the gap it was meant to close — while costing chromium 8px of text width unconditionally. Closing this needs one geometry every engine agrees on, not that property.
The mirror is one-directional: the textarea is the authority because it owns the caret, and the caret is what the browser scrolls to.
## Alternatives considered
**Give the backdrop `overflow: auto` and let it scroll itself.** It would then have a scroll offset of its own to keep in step, which is the same problem plus a second scrollbar painted over the input. The backdrop is a projection of the textarea, not an independently navigable surface.
**Drop the backdrop and style the textarea's own text.** This removes the layer split and the whole class of desync with it. Rejected because it is not implementable: a textarea renders one uniform text run, so the claim-token highlight, the chips, and the ghost hint — the reasons the backdrop exists — have no way to be expressed. Losing them to fix scrolling trades a bounded defect for a feature deletion.
**Render the draft in a `contenteditable` div instead of a textarea.** One element, one scroll offset, styleable ranges. Rejected as far out of proportion to the defect: `contenteditable` would put IME composition, undo/redo, selection semantics, and paste normalization back on us, all of which the textarea plus the input machine currently handle, and the machine already owns an undo log that assumes a textarea's value semantics.
**Scroll the backdrop from the existing wheel handler instead of a `scroll` listener.** The handler already runs on every wheel over the textarea, so it looks like the natural place. Rejected because it covers only one of the ways the box scrolls: typing at the end, `End`, arrow keys, drag-selection past the edge, and scrollbar drags all move the textarea without a wheel event. Listening to `scroll` is listening to the thing itself rather than to one of its causes.
**Reserve the scrollbar gutter on all three layers with `scrollbar-gutter: stable`.** Adopted, then reverted on measurement. The reasoning was that whatever a platform's scrollbar costs, three layers reserving it stay equal — and `overflow: hidden` is a scroll container, so the spec says the clipped layers honour it. Chromium agrees (8px reserved on each, widths 768/768/768). WebKit does not: it reserves for `overflow-y: auto` and not for `overflow: hidden`, leaving 768 against 776 — the same gap, unclosed — so the property bought nothing on the one engine where the divergence is observable while costing every chromium user 8px of text column. Reverted in favour of asserting the premise and recording the WebKit gap.
**Suppress the textarea's scrollbar instead of reserving a gutter on the other layers.** `scrollbar-width: none` on `.input` would equalize the widths without narrowing the text column. Rejected because the composer deliberately shows a thumb once the draft passes the cap — `.card` binds the l2 scrollbar tokens for exactly that — and removing it takes away the only affordance that says a long draft continues below.
**Translate the backdrop with `transform: translateY(-scrollTop)` instead of scrolling it.** A transform is not clamped by content height, so it would paper over any extent divergence — including the trailing-newline one — without matching the layers. Rejected because the divergence is the actual defect: unequal extents also mean the two layers disagree about where the last line sits, and hiding that behind an unclamped transform would leave a mismatch that resurfaces the moment anything measures the backdrop. Fixing the extent keeps one truth about the draft's height.
**Add a second mirror in a layout effect keyed on the committed draft.** This shipped in the first version of the change, on the theory that an edit reflows both layers without necessarily moving the textarea, and that a shrinking draft clamps each layer independently. Both premises are false, and it was removed after mutation-testing each hook alone against the built client: with only the layout effect disabled the browser scenario stays green, while disabling only the `scroll` listener fails it. Typing scrolls the caret into view, which is an ordinary `scroll`; a shrinking draft clamps both layers to the same maximum because their extents are equal, and the textarea's clamp fires `scroll` too. The specific hazard the effect was imagined to cover — React replacing the backdrop's children when the decoration set changes shape, resetting its offset — does not occur: measured in chromium, replacing every child of an `overflow: hidden` box preserves `scrollTop` (300 stays 300), and the only replacement that zeroes it is one that shrinks the content below the offset, which is the clamp case already covered.
**Sync in the `onChange` handler.** Rejected for the same reason plus one of its own: it fires before React commits the new draft to the backdrop, so it would mirror against the previous layout.
## Consequences
- A draft past the cap scrolls its glyphs. Measured in the browser scenario: after a wheel gesture over a 40-line draft the last line sits inside the visible box and the first has scrolled out above it; before, the last line stayed a full draft-height below the box while the textarea's own offset had moved.
- The coupling is one-directional and cheap — one assignment of one number, no measurement, no layout read beyond `scrollTop` — so it adds nothing to the typing path's cost.
- Chips, claim-token highlights, and text-ref marks stay aligned with their glyphs while scrolled, because they are positioned inside the backdrop and move with it. Nothing about the decoration walk changes.
- The composer's two-layer design keeps this hazard: any future layer added beside the backdrop needs the same mirroring, and any change to how a layer reserves its last line box breaks the extent equality the mirror depends on. The e2e scenario asserts both — the relation the user cares about (which line is on screen) and the extent equality underneath it — so a future divergence fails on the invariant rather than on a screenshot.
- Extent equality is asserted, not assumed. It is the premise that turns "mirror the offset" from correct into subtly wrong, and it failed for the trailing-newline shape before the sentinel.
- Wrap-width equality is the other premise, and it does NOT hold universally: WebKit lays `.input` out 8px narrower than the glyph layers. That predates this change and is left open, with the measurement recorded above and an assertion on the lane's engine. A draft whose wrapping turns on those 8px would clamp the mirror on WebKit.
- The composer's layout is unchanged. An earlier revision narrowed the text column by 8px on every platform to chase the wrap-width premise; measurement showed it did not buy the guarantee, so the metrics are the same as before this change.
## Testing
The unit spec in [input-bar.spec.tsx](../../../../packages/client/ui-conversation/tests/input-bar.spec.tsx) proves the mirroring path runs: it stubs both offsets, because jsdom reports `scrollHeight === clientHeight` for every element and never scrolls one, and asserts the backdrop follows the textarea to a new offset and back to the top. Reverting the `ref` makes it fail.
The user-visible fact needs a real engine, so [composer-draft-scroll.e2e.ts](../../../../apps/web/tests/composer-draft-scroll.e2e.ts) measures it in chromium against the built client: a 40-line draft in a fresh workspace's blank composer, zero model calls, with a DOM Range over the backdrop's own text reporting where the first and last lines sit relative to the visible box. A vacuity guard asserts the draft actually overflows the capped box first. A separate case drives the trailing-newline shape and asserts the two extents are equal before asserting the glyphs reach the end; each layer's maximum is observed by asking for an impossible offset and reading back the clamp, not computed from `scrollHeight`. A third asserts the gutter premise: equal wrap widths, and a reserved band greater than zero on each layer. The band is what keeps that assertion from being vacuous — the widths would also match with no reservation at all on this engine's overlay scrollbar, and it is the reservation, not the match, that carries the guarantee to a platform whose scrollbar takes real width.
Confirmed both directions against the built client. With the mirroring reverted and the packages rebuilt, the wheel case fails on the layer offsets, the typing case fails with it, and the golden diff reads `last draft line is on screen: false` while `textarea moved: true` — the reported symptom stated as a fixture. The resting-state case passes in both builds, which is the point: it is the state that hid the defect.
Note that the composer ships inside a client-module bundle, so `pnpm run build:web` alone does not pick up a change to `InputBar.tsx` — the package build must run for the browser lane to see it, and a scenario run against a stale `lib/` asserts against an older client than the tree.

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# Agent Note: composer 的字形层跟随 textarea 的滚动偏移
Status: implemented
[English](2026-07-31-composer-glyph-layer-tracks-the-textarea.md) | 中文
## 问题
草稿一旦超过 14 行的高度上限,就无法再滚动。光标会动,选区会动,但文字始终冻结在第 1 行——无论滚轮、拖拽还是方向键,都无法把长草稿的末尾带到可见范围内,因此约 14 行之后的内容在书写过程中既够不着也读不到。
高度上限本身是正常工作的。composer 的文本由两层叠放绘制(见 [InputBar](../../../../packages/client/ui-conversation/src/client/skeleton/InputBar.tsx)`<textarea>` 持有取值、选区与光标,但它自己的字形以 `color: transparent` 渲染;用户看到的每一个字符都由其下的 `[data-input-backdrop]` 层绘制,该层同时承载 claim token 高亮、chip 与提示影子文本。这一拆分正是 chip 与高亮得以存在的前提——textarea 无法为自身文本的某个区间单独设置样式。
两层在几何上是耦合的在滚动上却不是。backdrop 为 `position: absolute; inset: 0; overflow: hidden`:它只做裁剪,不做滚动,浏览器也不会把它的偏移与 textarea 关联起来。未达上限时这一点不可见,因为两层都停在偏移 0且镜像层会把盒子撑到草稿的高度。一旦触及上限textarea 开始滚动而 backdrop 不跟随,于是用户真正在读的那一层从不移动。
因此该缺陷与高度上限同龄,并且藏在静止状态背后:短草稿——也就是所有截图与既有 fixture测试前置数据所捕获的那个状态——在有无该耦合时渲染完全一致。
## 决策
`InputBar` 通过一个 `scroll` 监听把 textarea 的 `scrollTop` 镜像到 backdrop 上,该监听与既有的滚轮接力监听注册在同一个 effect 中textarea 从不卸载——失效状态渲染的是同一个元素的 disabled 形态)。
一个监听即构成完整耦合,因为这个盒子移动的每一种方式最终都会在 textarea 上产生 `scroll` 事件:手势使它滚动;编辑会把光标滚入可见范围;草稿缩短到当前偏移之下时它会被钳位。看似需要单独处理、实则不需要的正是钳位这一种:两层共享同一滚动范围,因此它们会钳位到同一个最大值,而 textarea 的钳位本身就会触发那次完成镜像的 `scroll`
这个「共享的滚动范围」并非白得而镜像偏移只有在它成立时才是正确的。有两件事会破坏它都是在审查中被发现的且失效方向相同——backdrop 比 textarea 矮于是赋值被钳制、字形落到光标之下。textarea 会在末尾换行之后为光标保留一个行盒,而 `white-space: pre-wrap` 会折叠文本节点的尾随换行、不生成任何行盒。因此以换行结尾的草稿会让 backdrop 恰好比 textarea 少一行——实测为 628 对 652——于是该赋值被钳制滚到最底部时字形比光标落后一行。现在 backdrop 也带上了镜像层早已具备的同一枚尾行哨兵:其内容为装饰扫描的结果再加一个 `'\n'`;草稿不以换行结尾时它被同一次折叠吸收,以换行结尾时它补上缺失的那个行盒。对纯文本、尾随换行、软折行、不可断长串以及中间空行五类草稿实测,两侧范围在每种情形下均相等。
第二个前提是折行宽度,它是被断言的,而不是被修复的。只有 `.input` 会滚动,因此也只有 `.input` 会把内容宽度让给一条占布局宽度的滚动条;`.input` 一旦更窄长草稿就会折出更多行——在独立环境实测8px 的宽度差值 2 到 5 行,而宽度相等时 textarea 与 div 完全一致。在运行中的应用上、对 Playwright 自带的三个引擎实测,两个相等、一个不等:
| 引擎 | `.input` / `.backdrop` / `.mirror` 折行宽度 | 滚动范围 |
|---|---|---|
| chromium | 776 / 776 / 776 | 相等 |
| firefox | 776 / 776 / 776 | 相等 |
| WebKit | **768** / 776 / 776 | 所测草稿下相等 |
WebKit 的 textarea 把 8px 让给了自己的滚动条,而两个被裁剪的图层没有。该差距先于本次改动存在,本 PR 未予关闭;在所测草稿下滚动范围仍然相等,因此镜像不受影响,但一份恰好在该宽度上折行敏感的草稿会让 `.input` 更高、从而钳制镜像偏移。场景在测试通道所用引擎上断言了这项相等性,因此一旦回退到那种状态会显式失败,而不是悄然发生。
共享度量块上的 `scrollbar-gutter: stable` 曾被采用又被移除WebKit 对 `overflow-y: auto` 应用它、对 `overflow: hidden` 不应用,于是 `.input` 仍是 768 对 776——正是它本想关闭的那个差距——同时又让 chromium 无条件损失 8px 文本宽度。要关闭它,需要一套所有引擎都认同的几何,而不是这个属性。
该镜像是单向的textarea 是权威方,因为它持有光标,而浏览器滚动的目标正是光标。
## 曾考虑的替代方案
**给 backdrop 加 `overflow: auto`,让它自行滚动。** 那样它就有了一个属于自己的滚动偏移需要同步问题原样保留还额外多出一条画在输入框上的滚动条。backdrop 是 textarea 的投影,而不是一个可独立导航的界面。
**去掉 backdrop直接为 textarea 自身文本设置样式。** 这会消除分层连同整类失步问题一并消除。之所以否决是因为它根本无法实现textarea 只渲染一段统一的文本流,因此 claim token 高亮、chip 与提示影子文本——backdrop 存在的全部理由——都无从表达。为修滚动而放弃它们,是拿一个有界的缺陷去换一次功能删除。
**改用 `contenteditable` div 承载草稿,不再用 textarea。** 一个元素、一个滚动偏移、区间可设样式。之所以否决,是它与该缺陷的体量严重不相称:`contenteditable` 会把 IME 组词、撤销/重做、选区语义与粘贴规范化重新压回我们身上,而这些目前都由 textarea 加输入状态机处理,且状态机已持有一份以 textarea 取值语义为前提的撤销日志。
**在既有的滚轮处理函数里滚动 backdrop而不是新增 `scroll` 监听。** 该处理函数本就在 textarea 上的每次滚轮时运行,看似是自然的落点。之所以否决,是它只覆盖了盒子滚动的其中一种成因:在末尾输入、`End`、方向键、拖选越过边缘、拖动滚动条,都会在没有滚轮事件的情况下移动 textarea。监听 `scroll` 是在监听事情本身,而不是它的某一个成因。
**用 `scrollbar-gutter: stable` 让三层一起预留滚动条 gutter。** 曾经采用,实测后回退。当初的推理是:无论平台滚动条占多少宽度,三层都预留同样多即可保持相等;而且 `overflow: hidden` 也是滚动容器按规范应当遵守该声明。chromium 确实如此(三层各预留 8px宽度 768/768/768。WebKit 不然:它对 `overflow-y: auto` 预留、对 `overflow: hidden` 不预留,结果仍是 768 对 776——差距原样保留——于是该属性在唯一能观测到这一偏差的引擎上一无所获却让每一位 chromium 用户损失 8px 文本列。改为断言该前提并记录 WebKit 的差距。
**改为抑制 textarea 的滚动条,而不是给另外两层预留 gutter。**`.input` 上写 `scrollbar-width: none` 同样能让宽度相等,且不必收窄文本列。之所以否决:草稿超过上限后 composer 是有意显示滚动条滑块的——`.card` 正是为此绑定了 l2 滚动条 token——去掉它就等于拿走了「下面还有内容」这一唯一提示。
**改用 `transform: translateY(-scrollTop)` 平移 backdrop而不是滚动它。** transform 不受内容高度钳制,因此它能把任何范围偏差——包括尾随换行这一种——一并掩盖,却并不让两层真正对齐。之所以否决,是因为这个偏差本身就是真正的缺陷:范围不等同时意味着两层对末行位置的判断不一致,把它藏在一个不受钳制的 transform 之后,只会让这一失配在任何人去测量 backdrop 的那一刻重新浮现。修正范围本身,才能让草稿高度只有一个事实来源。
**再加一个以已提交草稿为 key 的 layout effect 作为第二道镜像。** 该改动的第一版确实带着它,理由是:一次编辑会让两层重排却不一定让 textarea 移动,且草稿变短时两层各自独立地被钳位。这两个前提都不成立,因此在针对构建产物客户端逐个变异测试每个 hook 之后将其移除:仅禁用 layout effect 时浏览器场景全绿,而仅禁用 `scroll` 监听则会失败。输入会把光标滚入可见范围,那就是一次普通的 `scroll`;草稿变短时两层因范围相等而钳位到同一个最大值,且 textarea 的钳位同样会触发 `scroll`。该 effect 本想覆盖的那个具体隐患——React 在装饰集合形状变化时替换 backdrop 的全部子节点,从而重置其偏移——并不会发生:在 chromium 中实测,替换一个 `overflow: hidden` 盒子的全部子节点会保留 `scrollTop`300 仍为 300唯一会将其归零的替换是把内容缩短到偏移之下而那正是已被覆盖的钳位情形。
**在 `onChange` 处理函数里同步。** 除上述同样的理由外还有其自身的问题:它在 React 把新草稿提交到 backdrop 之前触发,因而会按上一次的布局做镜像。
## 后果
- 超过上限的草稿会滚动其字形。浏览器场景实测:在 40 行草稿上做一次滚轮手势后,最后一行位于可见盒子之内,第一行已滚出上方;此前最后一行仍停在盒子下方整整一个草稿高度处,而 textarea 自身的偏移已经移动了。
- 该耦合是单向且廉价的——一次对一个数字的赋值,没有测量,除 `scrollTop` 外没有额外的布局读取——因此不会给输入路径增加开销。
- chip、claim token 高亮与文本引用标记在滚动时始终与其字形对齐,因为它们定位在 backdrop 内部并随之移动。装饰扫描本身没有任何改动。
- composer 的双层设计保留了这一隐患:日后在 backdrop 旁新增的任何一层都需要同样的镜像而任何改变某一层如何保留其末行行盒的改动都会破坏镜像所依赖的范围相等性。e2e 场景对两者都做了断言——用户真正关心的关系(哪一行在屏幕上),以及其下的范围相等性——因此日后一旦出现偏差,失败会落在不变量上,而不是落在某张截图上。
- 范围相等性是被断言的,而非被假定的。它正是那个能把「镜像偏移」从正确变为微妙错误的前提,并且在加入哨兵之前,它在尾随换行这一形态上确实不成立。
- 折行宽度相等是另一个前提而它并非普遍成立WebKit 把 `.input` 排得比字形层窄 8px。该问题先于本次改动存在此处保持开放上文记录了实测数值并在测试通道所用引擎上加了断言。一份折行恰好取决于这 8px 的草稿会在 WebKit 上钳制镜像。
- composer 的布局没有变化。此前有一版为追求折行宽度前提而在所有平台把文本列收窄了 8px实测表明它并不能带来该保证因此度量与改动前保持一致。
## 验证
[input-bar.spec.tsx](../../../../packages/client/ui-conversation/tests/input-bar.spec.tsx) 中的单元用例证明镜像路径确实执行:它对两侧偏移都做了桩替换——因为 jsdom 对任何元素都报告 `scrollHeight === clientHeight` 且从不滚动任何元素——并断言 backdrop 既跟随 textarea 到新的偏移,也跟随它回到顶部。撤掉那个 `ref` 会让它失败。
用户可见的事实需要真实引擎,因此 [composer-draft-scroll.e2e.ts](../../../../apps/web/tests/composer-draft-scroll.e2e.ts) 在 chromium 中针对构建产物客户端测量它:在全新工作区空白会话的 composer 中放入 40 行草稿,零模型调用,用一个跨越 backdrop 自身文本的 DOM Range 报告首行与末行相对于可见盒子的位置。一个防空转守卫会先断言草稿确实溢出了设有上限的盒子。另有一个独立用例驱动尾随换行这一形态,先断言两侧范围相等,再断言字形确实抵达末尾;每一层的最大值都通过请求一个不可能的偏移再读回其钳位结果来观测,而非由 `scrollHeight` 计算得出。第三个用例断言 gutter 前提:折行宽度相等,且每层预留的带宽大于零。正是这条「带宽」使该断言不至于空转——在本引擎的 overlay 滚动条下,即使完全不预留,两侧宽度也会相等;把保证传递到滚动条真正占宽的平台上的,是那次预留,而不是这次相等。
已双向确认。撤掉镜像并重新构建各包后滚轮用例在两层偏移上失败输入用例随之失败golden 差异读作 `last draft line is on screen: false``textarea moved: true`——即以 fixture测试前置数据形式陈述的原始现象。静止状态用例在两种构建下都通过这正是要点所在它就是掩盖了该缺陷的那个状态。
注意 composer 随客户端模块 bundle 一同发布,因此仅运行 `pnpm run build:web` 不会纳入对 `InputBar.tsx` 的改动——必须运行包构建,浏览器测试通道才能看到它;针对陈旧 `lib/` 运行的场景,断言的是比当前工作树更旧的客户端。

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# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
# 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/feature/2026-07-30-web-read-card.md
2026-07-30-web-read-card.md: 1fb3d61a113d26f6daf023fc791f3638055b5be0
2026-07-30-web-read-card.zh.md: 946bcca95bcc9bb50beb1ef22e77e4a21728b538

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# Agent Note: Read card — the read tool's structured line window reaches the client
Status: implemented
English | [中文](2026-07-30-web-read-card.zh.md)
## Problem
The `read` tool returns a canonical output object `{ path, offset, lines: [{ number, text }], totalLines }`, but its presentation collapsed that structure. `presentCall` declared a `GenericCallView` (`kind: 'read'`, a follow-along location) and `presentResult` returned a `GenericResultView` whose only content was the model-facing text with its `<path>…</path><type>file</type><content>…</content>` envelope stripped. A UI receiving that view saw one flattened text block: the line numbers were baked into the text as `N: ` prefixes, the file's language was unknown, and `totalLines` was gone. There was no way for a capable client to render a read the way it renders a diff — a line-numbered, syntax-highlighted code view with the line-number gutter separate from the content.
The structured data cannot be recovered downstream. A tool result on the wire carries only the model-facing `ContentBlock[]` (the rendered text) plus an opaque `meta`; the canonical output object stays in the tool and never reaches the client or the session log. So a client that wants the line array, the total, and a language hint cannot parse them back out of the `N: text` text — the tool has to project them onto a channel that persists.
## Decision
Add a fourth `card` tag, `read`, to the [render-intent union](../architecture/2026-07-02-tool-render-intent-union.md) — result-side only. `ToolResultView` gains `ReadResultView { card: 'read'; title?; path; lines: ReadFileLine[]; totalLines; lang?; content? }`; `ReadFileLine { number; text }` is the shared line unit. `ToolCallView` is untouched: the pending state stays a `GenericCallView` (`kind: 'read'`) because a call carries no file content until `execute` returns, so there is nothing structured to show at call time. This diverges from the bash terminal card, which tags both sides — a terminal call already carries its command and cwd at call time, a read call carries neither content nor total, so tagging the call side would add an empty variant.
The read tool projects the structured window through `output.presentationMeta`, the same persisted channel write/edit use for their applied-diff hunks ([canonical tool output contract](../architecture/2026-07-20-canonical-tool-output-contract.md)). `presentationMeta` runs once for a top-level surface call, returns `{ path, offset, lines, totalLines, lang? }` as JSON the session validates and stores on the result's `meta`, and `presentResult` narrows that meta back into the `ReadResultView` on both live and replay paths. `offset` (the 1-based first line the window requested) rides along because a byte cap below the first selected line yields an empty `lines` array with a positive `totalLines`; without the persisted `offset` a replayed card of such a window could not report where it starts or where a continuation resumes, and the last-line and re-parse fallbacks are both lossy. Without this channel the line array and total would be unreachable: the raw output object is not on the wire, and re-parsing the `N: text` text is lossy and fragile against the truncation footer.
`presentResult` returns `undefined` — the generic fallback — whenever the meta is absent or malformed (`readMetaFromMeta` narrows it defensively, so a replay of an older logged result never throws), whenever the result is an error, and whenever the single text block is not the read envelope. A pre-card logged result — a valid read envelope with no persisted `meta`, recorded before this card existed — takes that same `undefined` path deliberately: the client falls back to the raw `result.content`, so it shows the enveloped `<path>/<type>/<content>` text rather than the envelope-stripped generic card the old presenter returned. This is the accepted degradation under the [pre-release stance](../../../../AGENTS.md#pre-release-stance-foundation-over-blast-radius): reject the old on-disk format rather than add an envelope-stripping compatibility branch, since this PR re-records every published fixture and the session format promises no backward compatibility. On the success path `presentResult` carries `content` (the envelope-stripped text) alongside the structured fields, so a UI without the read capability, including the current TUI, renders the file text through the generic/default card arm exactly as before. The TUI's `renderBody` switch (`packages/ui/tui/src/components/transcript.ts`) is not `assertNever`-exhaustive: `terminal` and `diff` have arms and everything else falls through to the generic arm, which reads `view.content`. That default arm alone was not enough: `render()` sets `genericContent` — and with it the dim-Markdown `dimBody` treatment — on a separate gate that was `card === 'generic'` only, so a `read` card would have kept the text but lost its dim styling. The gate now admits `card: 'read'` too, taking `content` down the same dim-Markdown path, so a read renders in the TUI exactly as it did before the read card existed. Beyond that one gate the TUI needs no read-specific code.
### Language hint derivation
`langFromPath` (in `read-render.ts`) maps a file extension to a syntax-highlighting language id through a small fixed table (`LANG_BY_EXTENSION`) covering common source, config, and markup extensions. It reads the extension after the last path segment and last dot, is case-insensitive, and returns `undefined` for a dotfile (`.gitignore`), an extensionless name (`/etc/hosts`), a trailing dot, and any unknown extension — the card then omits `lang` and a UI renders plain text. The table is not a tunable: it is a display hint a UI may ignore, not a deployment-varying choice, and an unknown extension degrades to plain text rather than failing. It is deliberately small rather than an exhaustive language registry; extending it is a one-line table addition.
## Alternatives considered
**Re-parse the `N: text` model-facing text in `presentResult`.** Rejected: the structured line array would have to be reconstructed by splitting each line on the first `: `, which is ambiguous (a line whose own text contains `: `), loses the exact `totalLines` (the footer only states it in some branches), and breaks the moment the render format changes. `presentationMeta` carries the already-structured data with no re-parse.
**Tag the call side too (`ReadCallView`), mirroring the terminal card's both-sides symmetry.** Rejected: a read call has no content, no line array, and no total until it executes — a call-side read card would be an empty variant duplicating what `GenericCallView` (`kind: 'read'`, follow-along location) already expresses. The terminal card tags both sides because a terminal call genuinely carries call-time data (command, cwd); a read call does not.
**Put the structured window in a new service or a side channel instead of `meta`.** Rejected: `meta` is the established persisted presentation channel (write/edit's applied diffs ride it), it replays for free with the session log, and it needs no new plumbing. A service would reinvent persistence and replay that the event log already provides.
**A merge-extensible union instead of a closed tag.** Rejected for the same reason the [render-intent union](../architecture/2026-07-02-tool-render-intent-union.md) closed: a new card needs consuming code to render it, so a variant a consumer silently drops is worse than a compile error. Adding `read` to the closed union is the sanctioned way to extend it — each consumer that switches on `card` keeps compiling because the new member falls through its generic default, and a consumer that wants the rich view adds its own arm.
## Consequences
`ToolResultView` has a fourth member. Every consumer that switches on `card` keeps compiling: the TUI and the current Web client route an unknown card to their generic path, and the read card carries `content` so that path shows the file text. The Web frontend that renders the line-numbered, syntax-highlighted view from `lines`/`lang`/`totalLines` is a separate follow-up PR; this PR is the backend that makes the data reachable. Until that lands, a read renders exactly as it did before (the generic text card) everywhere.
The read tool now computes `presentationMeta` for every top-level read, a small per-call projection (a `lines.map` and one `langFromPath` call) on data already in hand. The meta is persisted with the session log, so a read result is slightly larger on disk — the line array it already rendered as text, now also structured.
## Testing
`packages/fs/tool-fs/tests/read-render.spec.ts` unit-tests `langFromPath` (known extensions case-insensitively, extension read after the last segment and last dot, and the `undefined` cases: dotfile, extensionless, trailing dot, unknown) and `readMetaFromMeta` (a well-formed narrow with and without `lang`, and every rejection: non-object, array, missing or wrong-typed `path`/`totalLines`/`lines`, a malformed line entry, a non-string `lang`, and — because the function narrows the opaque persisted `meta` boundary — the semantically invalid paths a well-typed replayed JSON can still carry: an `offset` that is not a 1-based integer, a first line `number` below `offset`, a line `number` that is not a 1-based integer (`0`, `1.5`, `NaN`, `Infinity`), a `totalLines` that is not a non-negative integer (`-1`, `1.5`, `NaN`), and lines whose numbers duplicate, decrease, or exceed `totalLines`; it also narrows an empty window at a positive `offset` (a byte cap below the first selected line). `packages/fs/tool-fs/tests/tools.spec.ts` pins the tool wiring: `execute` attaches the structured window (with and without a `lang` hint) as `meta`, `presentResult` narrows it into a `card: 'read'` view carrying the envelope-stripped `content`, and the decline paths (error result, non-single-text content, malformed envelope with valid meta, and valid envelope with absent or malformed meta) all fall back to `undefined`. Both changed source files hold per-file 100% coverage. This PR carries the snapshot evidence for the persisted meta and the extended union, not for a new rendered view: the re-recorded ACP session fixtures (`fs-read`, `fs-read-window`, `fs-edit`, `fs-policy-reject`, `fs-write-overwrite`, `parallel-tool-calls`, `workspace-context`, `workspace-edit`) pin the persisted read `meta` (with `{{cwd}}`-tokenized paths), and `cordis-inspect-jsdoc` pins the four-member `ToolResultView` union. The keyless snapshot and assembled-application transcript for the rendered read card belong to the follow-up Web PR that consumes the view, since this PR adds no new product-user-visible rendering — the TUI routes the read card through its existing generic dim-Markdown fallback (`transcript.ts` treats `card: 'read'` like `card: 'generic'`), so its output is unchanged. The `apps/cli` `parallel-file-reads` terminal golden (`apps/cli/tests/snapshots/parallel-file-reads/terminal.expected.txt`) pins exactly that: a real replay executes the read tool, renders it through the new `card: 'read'` gate, and the golden's dim-Markdown rows are byte-for-byte what a generic read produced before this card existed.
## Related
- [Tagged render-intent union for tool-call presentation](../architecture/2026-07-02-tool-render-intent-union.md) — the `card`-tagged vocabulary this extends with the `read` result arm.
- [Canonical tool output contract](../architecture/2026-07-20-canonical-tool-output-contract.md) — owns the `presentationMeta` persisted channel this projects the read window onto.
- [Web terminal card](2026-07-28-web-terminal-card.md) — the precedent for a client consuming a structured card; the read card follows the same producer pattern, result-side only.

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# Agent Note: Read card — the read tool's structured line window reaches the client
Status: implemented
[English](2026-07-30-web-read-card.md) | 中文
## Problem
`read` 工具返回规范化输出对象 `{ path, offset, lines: [{ number, text }], totalLines }`,但它的展示层把这个结构压平了。`presentCall` 声明为 `GenericCallView``kind: 'read'`,一个跟随定位),`presentResult` 返回 `GenericResultView`,其唯一内容是剥掉 `<path>…</path><type>file</type><content>…</content>` 信封后的面向模型文本。收到该视图的 UI 只看到一个压平的文本块:行号以 `N: ` 前缀烘焙进文本、文件语言未知、`totalLines` 丢失。capable 客户端无法像渲染 diff 那样渲染一次 read——即带行号、语法高亮、行号槽与内容分离的代码视图。
结构化数据在下游无法恢复。线上wire的工具结果只携带面向模型的 `ContentBlock[]`(已渲染文本)加上一个不透明的 `meta`;规范化输出对象留在工具内,从不到达客户端或会话日志。因此想要行数组、总数和语言提示的客户端无法从 `N: text` 文本里解析回它们——工具必须把它们投影到一个会持久化的通道上。
## Decision
给[渲染意图 union](../architecture/2026-07-02-tool-render-intent-union.md) 新增第四个 `card` 标签 `read`——仅在结果侧。`ToolResultView` 增加 `ReadResultView { card: 'read'; title?; path; lines: ReadFileLine[]; totalLines; lang?; content? }``ReadFileLine { number; text }` 是共享的行单元。`ToolCallView` 不动:待定状态仍是 `GenericCallView``kind: 'read'`),因为一次调用在 `execute` 返回前不携带文件内容,调用时没有可展示的结构。这与 bash 终端 card 不同——终端 card 两侧都打标签,因为终端调用在调用时已携带命令和 cwd而 read 调用既无内容也无总数,给调用侧打标签只会新增一个空变体。
read 工具通过 `output.presentationMeta` 投影结构化窗口,这与 write/edit 用来投影其应用 diff hunk 的持久化通道相同([规范化工具输出契约](../architecture/2026-07-20-canonical-tool-output-contract.md))。`presentationMeta` 对一次顶层 surface 调用运行一次,返回 `{ path, offset, lines, totalLines, lang? }` 作为会话校验并存储在结果 `meta` 上的 JSON`presentResult` 在 live 和回放路径上都把该 meta 收窄回 `ReadResultView``offset`(窗口请求的 1-based 起始行)一并携带,是因为当字节上限低于首个选中行时,窗口会返回空的 `lines` 数组而 `totalLines` 为正;没有持久化的 `offset`,这类窗口的回放 card 就无法报告它从哪行开始、或续读应从哪行继续,而末行推断与文本重解析两种兜底都有损。没有这个通道,行数组和总数就无法触及:原始输出对象不在线上,而重新解析 `N: text` 文本既有损又对截断脚注脆弱。
`presentResult` 在以下情况返回 `undefined`——即 generic 回退meta 缺失或畸形(`readMetaFromMeta` 防御性收窄它,因此回放旧的已记录结果永不抛错)、结果是错误、以及单个文本块不是 read 信封。本 card 出现之前记录的结果——信封合法但无持久化 `meta`——有意走同一条 `undefined` 路径:客户端回退到原始 `result.content`,因此显示带 `<path>/<type>/<content>` 信封的原文,而非旧展示器返回的剥信封 generic card。这是 [pre-release 立场](../../../../AGENTS.md#pre-release-stance-foundation-over-blast-radius)下接受的降级:拒绝旧的磁盘格式,而非加一个剥信封的兼容分支——本 PR 已重录全部已发布 fixtures且 session 格式不承诺向后兼容。在成功路径上,`presentResult` 在结构化字段之外携带 `content`(剥信封后的文本),因此不具备 read 能力的 UI包括当前的 TUI通过 generic/default card 分支渲染文件文本与之前完全一致。TUI 的 `renderBody` switch`packages/ui/tui/src/components/transcript.ts`)不是 `assertNever` 穷尽的:`terminal``diff` 有分支,其余都落入 generic 分支,该分支读取 `view.content`。仅有该默认分支还不够:`render()` 在一个独立门控上设置 `genericContent`(连同 dim-Markdown 的 `dimBody` 处理),该门控原先只判 `card === 'generic'`,因此 `read` card 虽保留文本却会丢失 dim 样式。现在该门控也接纳 `card: 'read'`,让 `content` 走同一条 dim-Markdown 路径,因此 read 在 TUI 中的渲染与 read card 出现之前完全一致。除这一处门控外TUI 无需 read 专属代码。
### 语言提示推导
`langFromPath`(在 `read-render.ts` 中)通过一张固定小表(`LANG_BY_EXTENSION`,覆盖常见源码、配置、标记扩展名)把文件扩展名映射到语法高亮语言 id。它读取最后一个路径段与最后一个点之后的扩展名大小写不敏感并对以下情况返回 `undefined`dotfile`.gitignore`)、无扩展名(`/etc/hosts`)、结尾的点、以及任何未知扩展名——此时 card 省略 `lang`UI 渲染纯文本。该表不是可调项tunable它是 UI 可忽略的展示提示,而非随部署变化的选择,未知扩展名降级为纯文本而非失败。它有意保持小规模而非穷尽的语言注册表;扩展它是一行表项新增。
## Alternatives considered
**在 `presentResult` 中重新解析 `N: text` 面向模型文本。** 已否决:结构化行数组将不得不通过按第一个 `: ` 切分每行来重建,这既有歧义(某行文本自身含 `: `),又丢失精确的 `totalLines`(脚注只在部分分支中陈述它),并在渲染格式变化时立即失效。`presentationMeta` 携带已经结构化的数据,无需重新解析。
**调用侧也打标签(`ReadCallView`),镜像终端 card 的两侧对称。** 已否决read 调用在执行前没有内容、没有行数组、没有总数——调用侧 read card 会是一个空变体,重复 `GenericCallView``kind: 'read'`,跟随定位)已经表达的东西。终端 card 两侧都打标签是因为终端调用确实携带调用时数据命令、cwdread 调用没有。
**把结构化窗口放进新服务或旁路通道而非 `meta`。** 已否决:`meta` 是既有的持久化展示通道write/edit 的应用 diff 就搭它),它随会话日志免费回放,无需新接线。服务会重新发明事件日志已提供的持久化与回放。
**用 merge-extensible union 而非封闭标签。** 出于[渲染意图 union](../architecture/2026-07-02-tool-render-intent-union.md) 封闭的相同理由否决:新 card 需要消费代码来渲染它,因此被消费者静默丢弃的变体比编译错误更糟。把 `read` 加入封闭 union 是扩展它的许可方式——每个在 `card` 上 switch 的消费者都继续编译,因为新成员落入其 generic default而想要富视图的消费者新增自己的分支。
## Consequences
`ToolResultView` 多了第四个成员。每个在 `card` 上 switch 的消费者都继续编译TUI 和当前 Web 客户端把未知 card 路由到其 generic 路径,而 read card 携带 `content` 使该路径显示文件文本。从 `lines`/`lang`/`totalLines` 渲染带行号、语法高亮视图的 Web 前端是单独的后续 PR本 PR 是让数据可触及的后端。在它落地前read 在各处的渲染与之前完全一致generic 文本 card
read 工具现在为每次顶层 read 计算 `presentationMeta`,这是对已在手数据的一次小投影(一次 `lines.map` 和一次 `langFromPath` 调用。meta 随会话日志持久化,因此 read 结果在磁盘上略大——它已渲染为文本的行数组,现在也以结构化形式存在。
## Testing
`packages/fs/tool-fs/tests/read-render.spec.ts` 单测 `langFromPath`(已知扩展名的大小写不敏感、扩展名在最后一段与最后一个点之后读取、以及 `undefined` 各情况dotfile、无扩展名、结尾的点、未知`readMetaFromMeta`(含与不含 `lang` 的良构收窄,以及每种拒绝:非对象、数组、缺失或类型错误的 `path`/`totalLines`/`lines`、畸形行项、非字符串 `lang`,以及——因为该函数收窄持久化的 opaque `meta` 边界——良构类型的回放 JSON 仍可能携带的语义无效路径:不是 1-based 整数的 `offset`、小于 `offset` 的首行 `number`、不是 1-based 整数的行 `number``0``1.5``NaN``Infinity`)、不是非负整数的 `totalLines``-1``1.5``NaN`)、以及行号重复、递减或超过 `totalLines` 的情况;并且收窄正 `offset` 处的空窗口(字节上限低于首个选中行))。`packages/fs/tool-fs/tests/tools.spec.ts` 固定工具接线:`execute` 把结构化窗口(含与不含 `lang` 提示)作为 `meta` 附上、`presentResult` 把它收窄为携带剥信封 `content``card: 'read'` 视图、以及各拒绝路径错误结果、非单文本内容、meta 有效但信封畸形、信封有效但 meta 缺失或畸形)都回退到 `undefined`。两个改动的源文件保持逐文件 100% 覆盖率。本 PR 携带的是持久化 meta 与扩展后联合类型的快照证据,而非新渲染视图的证据:重录的 ACP session fixtures`fs-read``fs-read-window``fs-edit``fs-policy-reject``fs-write-overwrite``parallel-tool-calls``workspace-context``workspace-edit`)钉住持久化的读取 `meta`(含 `{{cwd}}` 令牌化路径),`cordis-inspect-jsdoc` 钉住四成员的 `ToolResultView` 联合类型。已渲染读取 card 的 keyless 快照与组装应用 transcript 属于消费该视图的后续 Web PR因为本 PR 不新增任何面向产品用户可见的渲染——TUI 通过其现有的通用 dim-Markdown 回退路由读取 card`transcript.ts``card: 'read'` 当作 `card: 'generic'` 处理),因此其输出保持不变。`apps/cli``parallel-file-reads` 终端 golden`apps/cli/tests/snapshots/parallel-file-reads/terminal.expected.txt`)正钉住这一点:一次真实回放执行 read 工具、经新的 `card: 'read'` 门渲染golden 的 dim-Markdown 行与本 card 出现前 generic read 所产出的逐字节一致。
## Related
- [Tagged render-intent union for tool-call presentation](../architecture/2026-07-02-tool-render-intent-union.md) —— 本 Note 以 `read` 结果分支扩展的 `card` 标签词汇。
- [Canonical tool output contract](../architecture/2026-07-20-canonical-tool-output-contract.md) —— 拥有本 Note 用来投影 read 窗口的 `presentationMeta` 持久化通道。
- [Web terminal card](2026-07-28-web-terminal-card.md) —— 客户端消费结构化 card 的先例read card 遵循相同的生产者模式,仅结果侧。

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# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
# 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/feature/2026-07-31-telemetry-anonymous-user-id.md
2026-07-31-telemetry-anonymous-user-id.md: 3c8e3324cb418eac48cb5ae780c55bbcbaf3caa1
2026-07-31-telemetry-anonymous-user-id.zh.md: 9ff6cf35a90d4087b4ab75987dc9244210e3d46a

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# Agent Note: Telemetry anonymous user id ($DSH_HOME/.userid) and the OTel Resource user.id
Status: implemented
English | [中文](2026-07-31-telemetry-anonymous-user-id.zh.md)
## Problem
Session telemetry is mounted by default ([default-mount Note](2026-07-31-web-telemetry-default-mount.md)), but the OTel Resource carried only `service.name`/`service.version` — no user-level identity at all, so the collector could neither aggregate per user nor count active users. The only prior ruling on point was an unimplemented one to derive a user id by hashing the hostname/local IP; the dsh-sdk toolchain keeps its own anonymous id (`$DSH_HOME/telemetry.json`), but that is the launcher feed's private fact, unrelated to the OTel feed. The OTel feed needed an anonymous user identity with clean semantics.
## Decision
The `session-telemetry-otel` package's own module `src/user-id.ts` owns the OTel feed's user identity: `getOrCreateAnonymousUserId()` returns the bare UUID line in `$DSH_HOME/.userid` (resolved by `resolveDshHome`, `$DSH_HOME` > `~/.dsh`), minting and persisting a random UUID v4 on first use; the backend constructor carries it as the Resource's `user.id` (the OTel semconv user attribute), once per export batch. This identity belongs to the OTel feed alone; the dsh-sdk launcher telemetry keeps its own anonymous-id store (`telemetry.json`), and the two are not shared (the first cut unified both feeds through a shared util package; the user reconsidered and pulled it back — no shared package before a second real consumer exists, revisit when a feed-correlation need appears).
| Ruling | Value | Rationale |
|---|---|---|
| Id source | Random UUID v4, never derived from the hostname, network address, or git remote | A derived id is reversible, making "anonymous" a fiction |
| Storage form | `.userid`, a bare UUID line plus newline, no JSON wrapper | Identity is a standalone fact, not something filed under one telemetry feed's file name/format |
| IO form | Synchronous IO + a process-lifetime memo keyed by resolved file path | `TelemetryOtel`'s constructor is synchronous (async would reshape plugin loading); one disk touch per process, and mid-run file deletion never affects the running process |
| Concurrent first launch | Settled by an exclusive-create (`wx`) write; the loser rereads the winner's id | Covers common concurrency (a reread landing in the winner's microsecond create-to-write window can still yield one id per process for that run, converging on the persisted value next launch — a telemetry-grade consequence, accepted) |
| Loss semantics | File deleted → next launch mints a fresh id; loss is accepted | An anonymous identity has no recovery value; recoverability demands derivation material, which conflicts with anonymity |
| Write failure | Best-effort: return the in-memory id | Telemetry is never blocked by a read-only home |
| Report position | Resource attribute, not per-record attributes | Once per batch suffices for Resource-dimension aggregation; per-record injection would touch the seam contract and grow the wire |
| semconv dependency | `@opentelemetry/semantic-conventions` is not imported | One string constant does not justify a dependency |
| Home | A module inside `session-telemetry-otel`, not a shared util package | Repo rule: split a package only for a second real consumer; the sdk launcher feed keeps its own store, and no real correlation need exists |
| Separate switch | None | Identity follows the telemetry master switch (`DSH_TELEMETRY_DISABLED`); telemetry off means nothing reports |
## Alternatives considered
| Rejected | One-line reason |
|---|---|
| Hostname/IP-hash-derived id (the prior ruling) | Reversible means not anonymous; the random UUID is semantically clean — the user ruled to supersede |
| user.id on every record's attributes (Claude Code's shape) | Touches the session-telemetry seam contract or injects per record, growing the wire; once per batch on the Resource already aggregates |
| A shared util package unifying both feeds (the first cut) | The only real consumer is the OTel backend; switching the sdk launcher onto it was unification for its own sake — the user reconsidered and pulled it back, to be re-extracted when a correlation need appears |
| Reusing telemetry.json instead of a new file | The file name/JSON format files the identity under the launcher feed's naming; the OTel feed's identity is a standalone fact |
| AppCLIEntry reading the id and injecting via config patch | Every surface entry needs wiring; a runtime fact inside deployment config conflates the two |
| Housing it in `@deepseek-ai/dsh-paths` | paths is pure path computation with zero IO; a persisting identity capability would pollute the package boundary |
## Consequences
- One `$DSH_HOME` is one stable user in the OTel feed; separate homes are separate users by construction, with no cross-home linking mechanism.
- The OTel feed and the launcher feed each hold their own id (`.userid` vs `telemetry.json`) and cannot be correlated — the direct cost of not extracting a shared package, to be unified when a real correlation need appears.
- Deleting `.userid` resets the identity (effective next launch); on an unwritable home each process holds its own in-memory id until the home becomes writable.
- The [default-mount Note](2026-07-31-web-telemetry-default-mount.md)'s identity follow-up is closed for the anonymous-user-id part by this decision; hostname/surface dimensions, the redaction rule, and the usage-metrics track remain open.

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# Agent Note: telemetry 匿名用户 id$DSH_HOME/.userid与 OTel Resource user.id
Status: implemented
[English](2026-07-31-telemetry-anonymous-user-id.md) | 中文
## Problem
session telemetry 已默认挂载([默认挂载 Note](2026-07-31-web-telemetry-default-mount.md)),但 OTel Resource 只有 `service.name`/`service.version`没有任何用户级标识——接收端无法按用户聚合、无法数活跃用户。此前唯一相关口径是一条未实现的「hostname/本机 IP 哈希派生 user.id」裁定dsh-sdk 工具链另有自用的匿名 id`$DSH_HOME/telemetry.json`),但那是 launcher 回流的私有事实,与 OTel 回流无关。需要给 OTel 回流一个语义干净的匿名用户身份。
## Decision
`session-telemetry-otel` 包内模块 `src/user-id.ts` 是 OTel 回流用户身份的属主:`getOrCreateAnonymousUserId()` 返回 `$DSH_HOME/.userid``resolveDshHome` 解析,`$DSH_HOME` > `~/.dsh`)中的裸 UUID 行,首用生成随机 UUID v4 并落盘backend 构造时把它作为 Resource 的 `user.id`OTel semconv 标准用户属性)随每批导出携带一次。该身份只属于 OTel 回流dsh-sdk launcher telemetry 保留自己的匿名 id 存储(`telemetry.json`),两者不共享(初版曾做公用 util 包统一两条回流,用户复议后收回:在有第二个真实消费者之前不抽公共包,回流关联需求出现时再议)。
| 裁定 | 取值 | 理由 |
|---|---|---|
| id 来源 | 随机 UUID v4绝不从 hostname/网络地址/git remote 派生 | 派生 id 可反查,「匿名」名不副实 |
| 存储形态 | `.userid` 裸 UUID 行 + 换行,无 JSON 包装 | 身份是独立事实,不挂在某条 telemetry 链路的文件命名/格式下 |
| 读写形态 | 同步 IO + 进程内按解析后文件路径 memo | `TelemetryOtel` 构造函数是同步的async 迫使插件装载改形);一进程一次盘 IO运行中删文件不影响本进程 |
| 并发首启 | `wx` 独占写裁决,落败方重读胜者 id | 覆盖常见并发(重读撞进胜者建档-写入微秒窗仍可能各持一 id 一次运行下次启动收敛到落盘值——telemetry 级后果,接受) |
| 丢失语义 | 文件被删 → 下次启动换新 id接受丢失 | 匿名身份无恢复价值;可恢复性要求派生材料,与匿名冲突 |
| 写失败 | best-effort 返回内存 id | telemetry 永不因 home 只读被阻塞 |
| 上报位置 | Resource 属性,非逐条 attributes | 每批一次即够接收端按 Resource 维度聚合;逐条注入要动 seam 契约且涨 wire 体积 |
| semconv 依赖 | 不引 `@opentelemetry/semantic-conventions` 包 | 一个字符串常量不值一个依赖 |
| 落点 | `session-telemetry-otel` 包内模块,非公共 util 包 | 仓规「有第二个真实消费者才拆包」sdk launcher 回流保留自有存储,无现实关联需求 |
| 单独开关 | 无 | 身份跟随 telemetry 整体开关(`DSH_TELEMETRY_DISABLED`);关 telemetry 即整体不报 |
## Alternatives considered
| 被拒 | 一句话理由 |
|---|---|
| hostname/IP 哈希派生 id此前口径 | 可反查即非匿名;随机 UUID 语义干净,用户裁决取代 |
| user.id 放每条 record 的 attributesClaude Code 形态) | 要动 session-telemetry seam 契约或逐条注入wire 体积涨Resource 每批一次已满足聚合 |
| 公用 util 包统一两条回流(初版实现) | 唯一现实消费者是 OTel backendsdk launcher 换用它只是为统一而统一——用户复议收回,回流关联需求出现时再抽包 |
| 复用 telemetry.json 不新建文件 | 文件名/JSON 格式把身份挂在 launcher 链路命名下OTel 回流身份是独立事实 |
| AppCLIEntry 读好 id 经 config patch 注入 | 每个 surface 入口都要接线config 里传运行时事实与部署配置混淆 |
| 挂进 `@deepseek-ai/dsh-paths` | paths 是纯路径计算零 IO带持久化的身份能力会污染包边界 |
## Consequences
- 一个 `$DSH_HOME` 在 OTel 回流中是一个稳定用户;不同 home 在构造上就是不同用户,无跨 home 关联机制。
- OTel 回流与 launcher 回流各有各的 id`.userid``telemetry.json`),无法互相关联——这是「不抽公共包」的直接代价,等真实关联需求出现再统一。
- 删除 `.userid` 即重置身份下次启动生效home 不可写时每进程各自持有一个内存 id 直至恢复可写。
- [默认挂载 Note](2026-07-31-web-telemetry-default-mount.md) 的身份 follow-up 中「匿名用户 id」项由本决定关闭hostname/surface 维度与脱敏规则、usage-metrics track 仍是待办。

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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/feature/2026-07-31-web-telemetry-default-mount.md
2026-07-31-web-telemetry-default-mount.md: 6c1fdaa8719ee01726b51db9a469ff659cbac476
2026-07-31-web-telemetry-default-mount.zh.md: b447832527ba9731097cd0776060db11ee4dfc30
2026-07-31-web-telemetry-default-mount.md: e9ec7d0cda37db44e753c9aee572763b7e24ada6
2026-07-31-web-telemetry-default-mount.zh.md: 68b411d0668772ce81d7f323c2d286714a223ca4

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@@ -35,5 +35,5 @@ The keyless integration test `apps/cli/tests/telemetry-web.e2e.ts` pins the depl
## Consequences
- A developer running `dsh web` without a local collector POSTs to the production endpoint every 10s (silent failure when unreachable; no OTel diag logger is registered); local development sets `DSH_TELEMETRY_DISABLED=1` or points `DSH_TELEMETRY_OTLP_URL` locally.
- **No redaction rule is mounted yet**: exports are the raw captured copy (full user/assistant message text, tool arguments and results, the system prompt, the local `session.cwd` path). Crossing a trust boundary requires `telemetry/record` rules first — the redaction rule, identity Resource attributes (hostname / anonymous user id / surface), and the usage-metrics track are the explicit follow-ups of this decision.
- **No redaction rule is mounted yet**: exports are the raw captured copy (full user/assistant message text, tool arguments and results, the system prompt, the local `session.cwd` path). Crossing a trust boundary requires `telemetry/record` rules first — the redaction rule, the remaining identity Resource attributes (hostname / surface; the anonymous user id shipped via the [anonymous-user-id Note](2026-07-31-telemetry-anonymous-user-id.md)), and the usage-metrics track are the explicit follow-ups of this decision.
- Test rigs reusing this tree (e.g. `apps/web/tests/scaffold.ts`) must explicitly disable the row, or fixture sessions stream to whatever collector the environment happens to name.

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@@ -35,5 +35,5 @@ Status: implemented
## Consequences
- 无本地 collector 的开发者跑 `dsh web` 会对生产 endpoint 每 10s 发一次 POST联不通则静默失败OTel diag logger 未注册);本地开发设 `DSH_TELEMETRY_DISABLED=1``DSH_TELEMETRY_OTLP_URL` 指本地。
- **当前零脱敏规则挂载**:导出即原始捕获副本(用户/助手消息全文、工具参数与结果、system prompt、`session.cwd` 本地路径)。跨信任边界前必须挂 `telemetry/record` 规则——脱敏规则、身份 Resource 维度hostname/匿名 user id/surface)、使用数据 metrics 轨三件是本决策明确的后续工作。
- **当前零脱敏规则挂载**:导出即原始捕获副本(用户/助手消息全文、工具参数与结果、system prompt、`session.cwd` 本地路径)。跨信任边界前必须挂 `telemetry/record` 规则——脱敏规则、其余身份 Resource 维度hostname/surface匿名 user id 已由[匿名用户 id Note](2026-07-31-telemetry-anonymous-user-id.md)落地)、使用数据 metrics 轨是本决策明确的后续工作。
- 复用这棵树的测试载具(如 `apps/web/tests/scaffold.ts`)须显式关停该行,否则 fixture 会话会流向 env 里碰巧存在的 collector。

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@@ -105,7 +105,9 @@
# DSH_TELEMETRY_OTLP_URL overrides the production endpoint, and a non-empty
# DSH_TELEMETRY_DISABLED — any value, including '0'/'false' — opts the
# process out (the launchers patch the row disabled; config cannot disable
# a row). The exporter/processor values bound the shutdown drain to ~1s
# a row). Exports carry the harness home's anonymous user id ($DSH_HOME/.userid,
# random UUID; delete the file to reset the identity) as the Resource's
# user.id. The exporter/processor values bound the shutdown drain to ~1s
# against an unreachable collector: exporter.timeoutMillis is both the
# per-attempt socket timeout and the retry deadline (1s effectively
# disables the SDK's 5-try backoff), maxExportBatchSize == maxQueueSize

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@@ -0,0 +1,397 @@
// Web e2e scenario: a composer draft longer than the 14-line cap scrolls its
// GLYPHS, not just its caret.
//
// The composer paints its text in two stacked layers (see
// packages/client/ui-conversation/src/client/skeleton/InputBar.module.css): the
// `<textarea>` carries the value, the selection and the caret but renders its
// own glyphs `color: transparent`, and every visible character is painted by the
// `[data-input-backdrop]` div underneath it, which also carries the claim-token
// highlight, the chips and the ghost hint. The backdrop is `position: absolute;
// inset: 0; overflow: hidden` — it is CLIPPED, not scrolled, and nothing in the
// browser links its scroll offset to the textarea's.
//
// So past the cap the textarea scrolled and the words did not: the caret walked
// off the bottom of a block of text frozen at line 1, and no gesture — wheel,
// drag, arrow key — moved it. `InputBar` now mirrors the offset onto the
// backdrop on every textarea `scroll`, which is the one event every way of
// moving the box ends in.
//
// Mirroring an offset is only correct while both layers can reach it, so the
// geometry underneath is asserted here alongside the visible outcome: the
// backdrop's trailing-line sentinel (a textarea reserves a line box for the
// caret after a final newline; `pre-wrap` collapses one), and one wrap width
// across all three layers (only the textarea scrolls, so only it can lose
// width to a scrollbar that consumes layout space). Either breaks the extent
// equality, and an unreachable offset clamps the glyphs below the caret.
//
// Only a real engine can show this. Scrolling is layout: jsdom reports
// `scrollHeight === clientHeight` for every element and never scrolls one, so
// the unit spec in packages/client/ui-conversation/tests/input-bar.spec.tsx has
// to stub both offsets and can only prove the mirroring code path runs. What is
// asserted here instead is the user-visible fact that path exists for — after
// scrolling to the end of a long draft, the LAST line is the one on screen —
// measured with a DOM Range over the backdrop's own text.
//
// Zero model calls: a fresh workspace's blank session already carries a live
// composer, and the scenario only types into it. A stray stream would fail loud
// with NO_ADAPTER.
import { fileURLToPath } from 'node:url'
import { join } from 'node:path'
import type { Browser, Page } from 'playwright'
import { chromium } from 'playwright'
import { afterAll, beforeAll, describe, expect, it, onTestFailed } from 'vitest'
import {
assertFixtureInventory, compareOrRefreshGolden, launchWebScaffold, watchConsole,
webSnapshotMode, type WebScaffold,
} from './scaffold.ts'
import { connectFreshWorkspace, newEnglishPage, saveFailureShot } from './support.ts'
const SNAPSHOT_DIR = fileURLToPath(new URL('./snapshots/composer-draft-scroll', import.meta.url))
/**
* Committed golden of the composer's two-layer scroll geometry. The change
* alters no DOM and no accessible name, so the aria goldens the other scenarios
* commit are byte-identical with and without it; this records the relations
* instead, which makes a shift in the cap or in the layer coupling a reviewable
* diff rather than an assertion someone has to reconstruct.
*/
const GEOMETRY_EXPECTED = join(SNAPSHOT_DIR, 'geometry.expected.md')
const MODE = webSnapshotMode()
/** Marks the first and last line so a Range can find them in the backdrop's text. */
const FIRST_MARKER = 'FIRST-LINE-MARKER'
const LAST_MARKER = 'LAST-LINE-MARKER'
/** Comfortably past the 14-line cap, so the draft overflows however the lines wrap. */
const DRAFT_LINES = 40
const DRAFT = Array.from({ length: DRAFT_LINES }, (_unused, index) => {
if (index === 0) return FIRST_MARKER
if (index === DRAFT_LINES - 1) return LAST_MARKER
return `draft line ${String(index + 1).padStart(2, '0')}`
}).join('\n')
/**
* A draft ending in a newline: the shape whose layer extents diverge without
* the backdrop's trailing-line sentinel. A textarea reserves a line box for the
* caret after a final newline; `white-space: pre-wrap` collapses a text node's
* trailing newline and generates none, so the backdrop would come out exactly
* one line shorter and the mirrored offset would clamp a line above the caret.
*/
const DRAFT_TRAILING_NEWLINE = `${DRAFT}\n`
/** The composer's two text layers as the browser lays them out. */
interface ComposerMetrics {
/** True when the draft is taller than the capped box — the situation under test. */
overflows: boolean
/** Visible height of the textarea's content box: the cap in pixels. */
clientHeight: number
/** Whole lines that fit in the visible box, at the composer's own line-height. */
visibleLines: number
/** The textarea's scroll offset, which the caret and the selection follow. */
inputScrollTop: number
/** The backdrop's scroll offset, which every visible glyph follows. */
backdropScrollTop: number
/** True when the two layers agree — the coupling this scenario exists for. */
layersAgree: boolean
/**
* Top of the LAST draft line relative to the visible box's top, in pixels: at
* most `clientHeight` when that line is on screen. This is the reported
* symptom as a number — with the layers uncoupled the backdrop stays at offset
* 0, so the last line sits a full draft-height below the box.
*/
lastLineOffset: number
/** Top of the FIRST draft line relative to the visible box's top: negative once it has scrolled out. */
firstLineOffset: number
/** Furthest the textarea can scroll. */
inputMax: number
/** Furthest the backdrop can scroll — equal to `inputMax`, or the mirror clamps below the caret. */
backdropMax: number
/** Content width the textarea wraps at. */
inputWrapWidth: number
/** Content width the backdrop wraps at — equal, or the layers break lines in different places. */
backdropWrapWidth: number
/** Content width the hidden auto-grow mirror wraps at — it decides the box's height. */
mirrorWrapWidth: number
}
/**
* Measure both composer layers in the page.
* @param page - the page under test.
* @returns the two layers' offsets and where the draft's first and last lines sit.
*/
function measureComposer(page: Page): Promise<ComposerMetrics> {
return page.evaluate(({ first, last }) => {
const input = document.querySelector<HTMLTextAreaElement>('textarea:enabled')
if (input === null) throw new Error('no live composer textarea in the DOM')
const backdrop = input.parentElement?.querySelector<HTMLElement>('[data-input-backdrop]')
if (backdrop === undefined || backdrop === null) throw new Error('no decoration backdrop beside the composer textarea')
// The hidden auto-grow mirror: the textarea's next sibling, and the layer
// that decides the box's height, so its wrap width matters as much as the
// two that carry glyphs.
const mirror = input.nextElementSibling
if (!(mirror instanceof HTMLElement)) throw new Error('no auto-grow mirror after the composer textarea')
const box = input.getBoundingClientRect()
// The draft carries no chips or claim token, so the decoration walk emits it
// as one text node — the backdrop's first, ahead of the trailing-line
// sentinel React renders as a second one. Both markers live in that first
// node, which is what the Range below needs.
const text = backdrop.firstChild
if (!(text instanceof Text)) throw new Error('backdrop does not open with a plain text node')
const offsetOf = (marker: string): number => {
const at = text.data.indexOf(marker)
if (at < 0) throw new Error(`marker ${marker} missing from the backdrop text`)
const range = document.createRange()
range.setStart(text, at)
range.setEnd(text, at + marker.length)
return range.getBoundingClientRect().top - box.top
}
const lineHeight = Number.parseFloat(getComputedStyle(input).lineHeight)
// Each layer's own maximum, probed by asking for an impossible offset and
// reading back what it clamped to, then restored. Reading scrollHeight -
// clientHeight instead would compute the maximum rather than observe it.
const restore = input.scrollTop
const restoreBackdrop = backdrop.scrollTop
input.scrollTop = 1e7
backdrop.scrollTop = 1e7
const inputMax = input.scrollTop
const backdropMax = backdrop.scrollTop
input.scrollTop = restore
backdrop.scrollTop = restoreBackdrop
return {
inputMax,
backdropMax,
inputWrapWidth: input.clientWidth,
backdropWrapWidth: backdrop.clientWidth,
mirrorWrapWidth: mirror.clientWidth,
overflows: input.scrollHeight > input.clientHeight,
clientHeight: input.clientHeight,
visibleLines: Math.floor(input.clientHeight / lineHeight),
inputScrollTop: input.scrollTop,
backdropScrollTop: backdrop.scrollTop,
layersAgree: input.scrollTop === backdrop.scrollTop,
lastLineOffset: offsetOf(last),
firstLineOffset: offsetOf(first),
}
}, { first: FIRST_MARKER, last: LAST_MARKER })
}
/**
* Render the golden body.
*
* Absolute glyph coordinates are deliberately absent: they depend on font
* metrics and would make the fixture fail on a machine that measures text
* differently — a golden that needs re-recording per platform documents the
* platform, not the change. What is recorded is the cap, the layer agreement,
* and which lines are on screen, each a comparison that survives any layout
* keeping the coupling.
* @param top - metrics with the draft scrolled to its start.
* @param bottom - metrics with the draft scrolled to its end.
* @param trailingNewline - metrics with the trailing-newline draft scrolled to its end.
* @returns the golden body, without a trailing newline.
*/
function renderGeometry(top: ComposerMetrics, bottom: ComposerMetrics, trailingNewline: ComposerMetrics): string {
return [
'# Composer draft scrolling (14-line cap, two text layers)',
'',
'## At the start of the draft',
'',
`- draft overflows the capped box: ${String(top.overflows)}`,
`- visible lines: ${String(top.visibleLines)}`,
`- both layers share one scroll extent: ${String(top.inputMax === top.backdropMax)}`,
`- all three layers wrap at one width: ${String(
top.inputWrapWidth === top.backdropWrapWidth && top.backdropWrapWidth === top.mirrorWrapWidth,
)}`,
`- textarea scroll offset: ${String(top.inputScrollTop)}px`,
`- glyph layer tracks it: ${String(top.layersAgree)}`,
`- first draft line is on screen: ${String(top.firstLineOffset >= 0 && top.firstLineOffset < top.clientHeight)}`,
`- last draft line is on screen: ${String(top.lastLineOffset >= 0 && top.lastLineOffset < top.clientHeight)}`,
'',
'## Scrolled to the end of the draft',
'',
`- textarea moved: ${String(bottom.inputScrollTop > 0)}`,
`- glyph layer tracks it: ${String(bottom.layersAgree)}`,
`- first draft line has scrolled out above: ${String(bottom.firstLineOffset < 0)}`,
`- last draft line is on screen: ${String(bottom.lastLineOffset >= 0 && bottom.lastLineOffset < bottom.clientHeight)}`,
'',
'## Draft ending in a newline, scrolled to the end',
'',
`- both layers share one scroll extent: ${String(trailingNewline.inputMax === trailingNewline.backdropMax)}`,
`- glyph layer tracks the caret: ${String(trailingNewline.layersAgree)}`,
`- last draft line is on screen: ${String(trailingNewline.lastLineOffset >= 0 && trailingNewline.lastLineOffset < trailingNewline.clientHeight)}`,
].join('\n').trimEnd()
}
describe('web e2e: composer draft scrolling', () => {
let scaffold: WebScaffold
let browser: Browser
let page: Page
let tripwire: ReturnType<typeof watchConsole>
beforeAll(async () => {
scaffold = await launchWebScaffold({})
browser = await chromium.launch()
page = await newEnglishPage(browser)
tripwire = watchConsole(page)
await page.goto(scaffold.baseUrl, { waitUntil: 'load' })
await page.waitForSelector('[class*="frame"]', { timeout: 30_000 })
await connectFreshWorkspace(page, 'composer-draft-scroll')
await page.locator('textarea:enabled').first().fill(DRAFT)
}, 180_000)
afterAll(async () => {
await browser?.close()
await scaffold?.close()
})
it('caps the draft box and keeps both text layers at the start', async () => {
onTestFailed(() => saveFailureShot(page, 'web-e2e-composer-draft-scroll-top'))
// Vacuity guard: without an overflowing draft there is nothing to scroll and
// every assertion below holds trivially.
await expect.poll(async () => (await measureComposer(page)).overflows, { timeout: 10_000 }).toBe(true)
// Typing the draft left the caret — and the box — at its end, so reach the
// start by the same gesture a user would, and leave it there for the wheel
// case below.
await page.locator('textarea:enabled').first().hover()
await page.mouse.wheel(0, -2000)
await expect.poll(async () => (await measureComposer(page)).inputScrollTop, { timeout: 10_000 }).toBe(0)
const metrics = await measureComposer(page)
// The cap is the composer seat's `--dsh-composer-text-max-height` (336px =
// 14 x 24px lines). The count, not the pixels: it is the figma constant and
// survives a device-pixel-ratio change.
expect(metrics.visibleLines).toBe(14)
// Resting state: the draft's head is what a 40-line draft shows, and its
// tail is far below the box. Both layers sit at the origin, which is why the
// uncoupled build looks correct until something scrolls.
expect(metrics.inputScrollTop).toBe(0)
expect(metrics.layersAgree).toBe(true)
expect(metrics.firstLineOffset).toBeGreaterThanOrEqual(0)
expect(metrics.firstLineOffset).toBeLessThan(metrics.clientHeight)
expect(metrics.lastLineOffset).toBeGreaterThan(metrics.clientHeight)
expect(tripwire.pageErrors).toEqual([])
}, 60_000)
it('lays out all three text layers at one wrap width', async () => {
onTestFailed(() => saveFailureShot(page, 'web-e2e-composer-draft-scroll-wrap-width'))
// The premise under the mirror, asserted rather than assumed. Only .input
// scrolls, so only .input can lose content width to a scrollbar that
// consumes layout space; a narrower .input wraps a long draft onto more
// lines, ends up taller, and its larger maximum makes the mirrored offset
// clamp below the caret. Measured on a standalone harness, an 8px width
// difference is worth 2 to 5 lines on a wrap-sensitive draft.
//
// This holds on the lane's engine and is what a regression would break —
// it is NOT vacuous: measured on the same app, WebKit reports 768 against
// 776 here, which is the divergence the Agent Note records as a
// pre-existing, engine-specific limitation. The mirror is unaffected there
// today because the extents still agree; this assertion is what would
// notice if the lane's engine ever moved into the same state.
const metrics = await measureComposer(page)
expect(metrics.backdropWrapWidth).toBe(metrics.inputWrapWidth)
// The mirror decides the box height, so it belongs in the same equality —
// were it alone to wrap wider, the box would be measured too short and
// clip content before the 14-line cap, with every other assertion green.
expect(metrics.mirrorWrapWidth).toBe(metrics.inputWrapWidth)
expect(tripwire.pageErrors).toEqual([])
}, 60_000)
it('a wheel gesture over a long draft moves the words, not only the caret', async () => {
onTestFailed(() => saveFailureShot(page, 'web-e2e-composer-draft-scroll-wheel'))
const input = page.locator('textarea:enabled').first()
await input.hover()
// One delta past the whole draft: the textarea clamps at its own end, and
// the wheel-chaining handler leaves it native because the box is not yet at
// its edge when the gesture starts (the chaining itself is owned by the
// unit spec).
await page.mouse.wheel(0, 2000)
await expect.poll(async () => (await measureComposer(page)).inputScrollTop, { timeout: 10_000 })
.toBeGreaterThan(0)
const metrics = await measureComposer(page)
// The coupling, stated directly.
expect(metrics.layersAgree).toBe(true)
// The reported symptom, stated as what the user sees: the end of the draft
// is on screen and its beginning is not. On the uncoupled build the glyph
// layer stays at offset 0, so `lastLineOffset` is still a full draft below
// the box and `firstLineOffset` is still 0 — the text never moved.
expect(metrics.lastLineOffset).toBeGreaterThanOrEqual(0)
expect(metrics.lastLineOffset).toBeLessThan(metrics.clientHeight)
expect(metrics.firstLineOffset).toBeLessThan(0)
expect(tripwire.pageErrors).toEqual([])
}, 60_000)
it('typing at the end of a scrolled draft keeps the layers together', async () => {
onTestFailed(() => saveFailureShot(page, 'web-e2e-composer-draft-scroll-edit'))
// The other way the box moves. Typing at the caret — parked at the draft's
// end by the wheel gesture — scrolls it into view, which is a `scroll` like
// any other; this pins that an edit is not a separate case needing its own
// mirror, which is why one listener is the whole implementation.
const input = page.locator('textarea:enabled').first()
await input.press('End')
await input.pressSequentially(' tail')
const metrics = await measureComposer(page)
expect(metrics.layersAgree).toBe(true)
expect(metrics.lastLineOffset).toBeGreaterThanOrEqual(0)
expect(metrics.lastLineOffset).toBeLessThan(metrics.clientHeight)
expect(tripwire.pageErrors).toEqual([])
}, 60_000)
it('a draft ending in a newline scrolls to its true end, not a line above it', async () => {
onTestFailed(() => saveFailureShot(page, 'web-e2e-composer-draft-scroll-trailing-newline'))
// The layers reserve a final line box on different terms, so this shape is
// the one that separates equal extents from a mirror that clamps early.
const input = page.locator('textarea:enabled').first()
await input.fill(DRAFT_TRAILING_NEWLINE)
await expect.poll(async () => (await measureComposer(page)).overflows, { timeout: 10_000 }).toBe(true)
const extents = await measureComposer(page)
// The invariant the sentinel exists for. Without it the textarea measured
// 652 against the backdrop's 628 — one 24px line apart.
expect(extents.backdropMax).toBe(extents.inputMax)
await input.hover()
await page.mouse.wheel(0, 4000)
await expect.poll(async () => {
const m = await measureComposer(page)
return m.inputScrollTop === m.inputMax
}, { timeout: 10_000 }).toBe(true)
const bottom = await measureComposer(page)
// At the very bottom the glyphs are level with the caret, not a line behind.
expect(bottom.layersAgree).toBe(true)
expect(bottom.lastLineOffset).toBeGreaterThanOrEqual(0)
expect(bottom.lastLineOffset).toBeLessThan(bottom.clientHeight)
expect(tripwire.pageErrors).toEqual([])
}, 60_000)
it('matches the committed composer scroll geometry golden', async () => {
onTestFailed(() => saveFailureShot(page, 'web-e2e-composer-draft-scroll-golden'))
const input = page.locator('textarea:enabled').first()
// Restore the pristine draft (the edit case appended to it) and return to
// its start, both through ordinary gestures.
await input.fill(DRAFT)
await input.hover()
await page.mouse.wheel(0, -2000)
await expect.poll(async () => (await measureComposer(page)).inputScrollTop, { timeout: 10_000 }).toBe(0)
const top = await measureComposer(page)
await input.hover()
await page.mouse.wheel(0, 2000)
await expect.poll(async () => (await measureComposer(page)).inputScrollTop, { timeout: 10_000 })
.toBeGreaterThan(0)
const bottom = await measureComposer(page)
await input.fill(DRAFT_TRAILING_NEWLINE)
await input.hover()
await page.mouse.wheel(0, 4000)
await expect.poll(async () => {
const m = await measureComposer(page)
return m.inputScrollTop === m.inputMax
}, { timeout: 10_000 }).toBe(true)
const trailingNewline = await measureComposer(page)
await compareOrRefreshGolden(GEOMETRY_EXPECTED, renderGeometry(top, bottom, trailingNewline), MODE)
expect(tripwire.pageErrors).toEqual([])
}, 60_000)
it('commits exactly the fixtures it reads', async () => {
// Zero model calls, so the scenario records no session fixture: the geometry
// golden is the whole inventory.
await assertFixtureInventory(SNAPSHOT_DIR, ['geometry.expected.md'])
})
it.skipIf(MODE === 'record')('issued zero model calls and stayed clean', () => {
expect(tripwire.warnings).toEqual([])
expect(tripwire.pageErrors).toEqual([])
})
})

View File

@@ -27,11 +27,12 @@ import { connectFreshWorkspace, newEnglishPage, saveFailureShot } from './suppor
const SNAPSHOT_DIR = fileURLToPath(new URL('./snapshots/live-interactions', import.meta.url))
const FIXTURE = join(SNAPSHOT_DIR, 'session.jsonl')
// One golden per interactive end-state: what the user is left looking at
// after cancel, after a non-retryable failure (pins the FIXME(web-error-surface)
// gap as a reviewable artifact: NO error copy in the tree), and after retry
// recovery — three genuinely different terminal surfaces of one fixture.
// One golden pins the stable mid-turn loading state; the other three capture
// what the user is left looking at after cancel, after a non-retryable failure
// (pins the FIXME(web-error-surface) gap as a reviewable artifact: NO error
// copy in the tree), and after retry recovery.
const CANCEL_EXPECTED = join(SNAPSHOT_DIR, 'cancel.expected.md')
const LOADING_EXPECTED = join(SNAPSHOT_DIR, 'loading.expected.md')
const ERROR_EXPECTED = join(SNAPSHOT_DIR, 'error-auth.expected.md')
const RETRY_EXPECTED = join(SNAPSHOT_DIR, 'retry.expected.md')
const MODE = webSnapshotMode()
@@ -133,6 +134,12 @@ describe('web e2e: live-turn interactions (cancel / error / retry)', () => {
// The marker IS the synchronization: the stream is provably parked in the
// hang (prefix chunks delivered to the loop) before the stop click.
await expect.poll(() => existsSync(marker), { timeout: 15_000 }).toBe(true)
await expect.poll(
() => page.getByRole('status').filter({ hasText: 'Deep diving...' }).isVisible(),
{ timeout: 10_000 },
).toBe(true)
const loadingSnapshot = await captureStableAria(page, '[class*="centerCol"]', scaffold!.workspaceCwd)
await compareOrRefreshGolden(LOADING_EXPECTED, loadingSnapshot, MODE)
await page.getByRole('button', { name: 'Stop generating' }).click()
await settled
expect(turnEndReasons(sessionEvents).at(-1)).toBe('aborted')
@@ -231,7 +238,7 @@ describe('web e2e: live-turn interactions (cancel / error / retry)', () => {
it.skipIf(MODE === 'record')('keeps the fixture inventory closed', async () => {
await assertFixtureInventory(SNAPSHOT_DIR, [
'session.jsonl', 'cancel.expected.md', 'error-auth.expected.md', 'retry.expected.md',
'session.jsonl', 'cancel.expected.md', 'loading.expected.md', 'error-auth.expected.md', 'retry.expected.md',
])
})
})

View File

@@ -0,0 +1,25 @@
# Composer draft scrolling (14-line cap, two text layers)
## At the start of the draft
- draft overflows the capped box: true
- visible lines: 14
- both layers share one scroll extent: true
- all three layers wrap at one width: true
- textarea scroll offset: 0px
- glyph layer tracks it: true
- first draft line is on screen: true
- last draft line is on screen: false
## Scrolled to the end of the draft
- textarea moved: true
- glyph layer tracks it: true
- first draft line has scrolled out above: true
- last draft line is on screen: true
## Draft ending in a newline, scrolled to the end
- both layers share one scroll extent: true
- glyph layer tracks the caret: true
- last draft line is on screen: true

View File

@@ -0,0 +1,23 @@
- banner:
- navigation "Session hierarchy":
- button "Reply with a one-sentence description" [disabled]
- tablist:
- tab "Chat" [selected]
- tab "Trajectory"
- text: Reply with a one-sentence description of event sourcing, then stop. {{clock}}
- button "Copy":
- img
- button "Branch into a new conversation":
- img
- button "Edit":
- img
- paragraph: partial
- status: Deep diving...
- textbox "Message the agent"
- button "Commands":
- img
- 'button "Access mode, current: Full access"': Full access
- button "Select model, current DeepSeek-V4-Flash":
- text: DeepSeek-V4-Flash
- img
- button "Stop generating"

View File

@@ -12,6 +12,7 @@
- button "Edit":
- img
- paragraph: partial
- status: Deep diving...
- button "2 queued messages"
- textbox "Message the agent"
- button "Commands":

View File

@@ -12,6 +12,7 @@
- button "Edit":
- img
- paragraph: partial
- status: Deep diving...
- button "2 queued messages" [disabled] [expanded]
- list:
- listitem:

View File

@@ -12,6 +12,7 @@
- button "Edit":
- img
- paragraph: partial
- status: Deep diving...
- list:
- listitem:
- text: Edited queue item

View File

@@ -19,6 +19,7 @@
- img
- img
- text: Ask question waiting
- status: Deep diving...
- region "Ready to continue?":
- text: Checkpoint
- heading "Ready to continue?" [level=2]

View File

@@ -40,6 +40,7 @@
"tests/seeded-history.e2e.ts",
"tests/sidebar-scrollbar.e2e.ts",
"tests/code-mode-round.e2e.ts",
"tests/composer-draft-scroll.e2e.ts",
"tests/cordis-tool-round.e2e.ts",
"tests/message-actions.e2e.ts",
"tests/queue-actions.e2e.ts",

View File

@@ -1229,7 +1229,7 @@ export interface Config {
Depends on: `BatchLogRecordProcessorOptions` (`@opentelemetry/sdk-logs`) · `OTLPExporterNodeConfigBase` (`@opentelemetry/otlp-exporter-base`)
Source: [`packages/telemetry/session-telemetry-otel/src/index.ts:40`](../packages/telemetry/session-telemetry-otel/src/index.ts)
Source: [`packages/telemetry/session-telemetry-otel/src/index.ts:41`](../packages/telemetry/session-telemetry-otel/src/index.ts)
## `@deepseek-ai/dsh-session-title`
@@ -1992,7 +1992,7 @@ export interface Config {
export type ToolPresentationMode = 'native' | 'code' | 'both'
```
Source: [`packages/core/tools/src/index.ts:582`](../packages/core/tools/src/index.ts)
Source: [`packages/core/tools/src/index.ts:584`](../packages/core/tools/src/index.ts)
## `@deepseek-ai/dsh-tui`

View File

@@ -938,7 +938,7 @@ A tool was registered or unregistered, or a scoped restriction changed (the avai
'tools/change'(): void
```
Source: [`packages/core/tools/src/index.ts:160`](../../packages/core/tools/src/index.ts)
Source: [`packages/core/tools/src/index.ts:162`](../../packages/core/tools/src/index.ts)
### `tools/code-dispatch-log` — waterfall
@@ -962,7 +962,7 @@ Shape the DURABLE LOG COPY of one `run_code` sub-dispatch outcome before the bri
Types: [CodeDispatchLog](../core-data-structures/tools.md) · [ContentBlock](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md) · [ToolRegistry](../core-data-structures/tools.md)
Source: [`packages/core/tools/src/index.ts:142`](../../packages/core/tools/src/index.ts)
Source: [`packages/core/tools/src/index.ts:144`](../../packages/core/tools/src/index.ts)
### `tools/execute` — waterfall
@@ -984,7 +984,7 @@ Around-dispatch waterfall for timeout, retry, or metrics. `next()` returns a nor
Types: [Scoped](../core-data-structures/scope.md) · [ToolDispatchExecution](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) · [ToolRegistry](../core-data-structures/tools.md)
Source: [`packages/core/tools/src/index.ts:117`](../../packages/core/tools/src/index.ts)
Source: [`packages/core/tools/src/index.ts:119`](../../packages/core/tools/src/index.ts)
### `tools/post-execute` — waterfall
@@ -1007,7 +1007,7 @@ Accept, replace, enrich, or block a normalized dispatch result. `next()` accepts
Types: [PostToolDecision](../core-data-structures/tools.md) · [Scoped](../core-data-structures/scope.md) · [ToolExecution](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) · [ToolRegistry](../core-data-structures/tools.md)
Source: [`packages/core/tools/src/index.ts:129`](../../packages/core/tools/src/index.ts)
Source: [`packages/core/tools/src/index.ts:131`](../../packages/core/tools/src/index.ts)
### `tools/pre-execute` — waterfall
@@ -1028,7 +1028,7 @@ Allow, deny, or ask before dispatch. `next()` delegates to allow; missing approv
Types: [PreToolDecision](../core-data-structures/tools.md) · [Scoped](../core-data-structures/scope.md) · [ToolExecution](../core-data-structures/tools.md) · [ToolRegistry](../core-data-structures/tools.md)
Source: [`packages/core/tools/src/index.ts:106`](../../packages/core/tools/src/index.ts)
Source: [`packages/core/tools/src/index.ts:108`](../../packages/core/tools/src/index.ts)
### `tools/result` — emit
@@ -1047,7 +1047,7 @@ Observe the frozen, lossless-JSON final outcome. Listener failures are contained
Types: [Scoped](../core-data-structures/scope.md) · [ToolExecution](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) · [ToolRegistry](../core-data-structures/tools.md)
Source: [`packages/core/tools/src/index.ts:150`](../../packages/core/tools/src/index.ts)
Source: [`packages/core/tools/src/index.ts:152`](../../packages/core/tools/src/index.ts)
## `workflow/*`

View File

@@ -2313,7 +2313,7 @@ async execute(exec: ToolExecutionInput): Promise<ToolExecutionResult>
Types: [ScopeKey](../core-data-structures/scope.md) · [ToolDefinition](../core-data-structures/tools.md) · [ToolExecutionInput](../core-data-structures/tools.md) · [ToolExecutionMode](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) · [ToolGuard](../core-data-structures/tools.md) · [ToolRestriction](../core-data-structures/tools.md) · [ToolSchema](../core-data-structures/tools.md)
Source: [`packages/core/tools/src/index.ts:704`](../../packages/core/tools/src/index.ts)
Source: [`packages/core/tools/src/index.ts:706`](../../packages/core/tools/src/index.ts)
## `ctx.tui` — `TuiExtensionService` (abstract seam)

View File

@@ -2,5 +2,5 @@
# 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 docs/core-data-structures/tools.md
tools.md: 3c94f1093001e8c65365cc5baa50c1393d53b3ee
tools.zh.md: 7a6aad81c4cfe83be8625411e4313d0c36018821
tools.md: 62acd00a3afe50c90b2cab0bb0f170ab82852a4f
tools.zh.md: 1ec638d6062d6496aebc019e531126343d6ead28

View File

@@ -447,8 +447,8 @@ type ObjectJsonSchema = JsonSchemaNode & { type: 'object' }
How a tool wants its call shown in a UI (an editor tool-call card, a CLI log line), provider-neutral so a tool describes itself without depending on any client protocol. `presentCall`/`presentResult` return a **`card`-tagged render intent** — a discriminated union a UI bridge switches on:
- `ToolCallView` (pending): `{ card: 'generic', title, kind?, rawInput?, content?, locations? }` (the default card; `locations` is `{ path, line? }[]` files the call reads/modifies, for editor follow-along), `{ card: 'terminal', title, description?, cwd? }` (a shell command → a terminal card), or `{ card: 'diff', title, diffs, locations? }` (a file create/modify → an inline diff card; `diffs` is `{ path, oldText, newText }[]`, `oldText: null` for a new file).
- `ToolResultView` (completed): `{ card: 'generic', title?, content? }`, `{ card: 'terminal', title?, output?, exitCode?, signal? }` (the captured run output + exit; a capable UI shows an exit-status pill, while another may derive a fenced ` ```console ` fallback), `{ card: 'diff', title?, diffs }` (a completed file mutation → the change to show, typically the applied hunks with context lines computed from the before/after content, or a whole-file diff when there is no before-image), or `{ card: 'web', kind: 'search' | 'fetch', title?, … }` (a completed web retrieval; `kind: 'search'` carries the structured `sources`/`answer?`/`truncated`, `kind: 'fetch'` carries `url`/`statusCode`/`truncated`, and a UI without the `web` capability falls back to the raw result content — the body is not duplicated into the view). Completed views replace pending views, so mutation tools return a diff result even when it duplicates the call-time snippet.
- `ToolResultView` (completed): `{ card: 'generic', title?, content? }`, `{ card: 'terminal', title?, output?, exitCode?, signal? }` (the captured run output + exit; a capable UI shows an exit-status pill, while another may derive a fenced ` ```console ` fallback), `{ card: 'diff', title?, diffs }` (a completed file mutation → the change to show, typically the applied hunks with context lines computed from the before/after content, or a whole-file diff when there is no before-image), `{ card: 'read', title?, path, offset, lines, totalLines, lang?, content? }` (a completed file read → a line-numbered, optionally syntax-highlighted code view; `offset` is the 1-based first line the window requested, kept even when `lines` is empty; `lang` is a language hint from the extension, and `content` is the envelope-stripped text a UI without read support falls back to), or `{ card: 'web', kind: 'search' | 'fetch', title?, … }` (a completed web retrieval; `kind: 'search'` carries the structured `sources`/`answer?`/`truncated`, `kind: 'fetch'` carries `url`/`statusCode`/`truncated`, and a UI without the `web` capability falls back to the raw result content — the body is not duplicated into the view). Completed views replace pending views, so mutation tools return a diff result even when it duplicates the call-time snippet.
`ToolCallKind` (`'read' | 'edit' | 'delete' | 'move' | 'search' | 'execute' | 'fetch' | 'other'`) picks an icon on a generic card. `FileLocation` (`{ path, line? }`) and `FileDiff` (`{ path, oldText, newText }`) are the shared file-card vocabulary. The design is pinned in [the render-intent-union Agent Note](../../.agents/notes/implemented/architecture/2026-07-02-tool-render-intent-union.md); the TUI and host/client runtime project this neutral vocabulary into their own views.
`ToolCallKind` (`'read' | 'edit' | 'delete' | 'move' | 'search' | 'execute' | 'fetch' | 'other'`) picks an icon on a generic card. `FileLocation` (`{ path, line? }`), `FileDiff` (`{ path, oldText, newText }`), and `ReadFileLine` (`{ number, text }`, one 1-based numbered line of a read window) are the shared file-card vocabulary. The design is pinned in [the render-intent-union Agent Note](../../.agents/notes/implemented/architecture/2026-07-02-tool-render-intent-union.md); the TUI and host/client runtime project this neutral vocabulary into their own views.
The full presentation field docs live in [`packages/core/tools/src/presentation.ts`](../../packages/core/tools/src/presentation.ts). The `bash` schema and executor are on [bash.md](bash.md); generic background controls are on [tasks.md](tasks.md).

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@@ -447,8 +447,8 @@ type ObjectJsonSchema = JsonSchemaNode & { type: 'object' }
工具希望其调用在 UI 中如何呈现编辑器工具调用卡片、CLI命令行界面日志行提供方无关使工具在不依赖任何客户端协议的情况下描述自身。`presentCall`/`presentResult` 返回一个 **`card` 标签的渲染意图**——一个可辨识联合类型UI 桥接层据此分发:
- `ToolCallView`(待执行):`{ card: 'generic', title, kind?, rawInput?, content?, locations? }`(默认卡片;`locations` 是 `{ path, line? }[]`,表示调用读取/修改的文件,供编辑器跟随)、`{ card: 'terminal', title, description?, cwd? }`shell 命令→终端卡片)、或 `{ card: 'diff', title, diffs, locations? }`(文件创建/修改→行内 diff 卡片;`diffs` 是 `{ path, oldText, newText }[]`,新文件时 `oldText: null`)。
- `ToolResultView`(已完成):`{ card: 'generic', title?, content? }`、`{ card: 'terminal', title?, output?, exitCode?, signal? }`(捕获的运行输出 + 退出状态;有能力的 UI 显示退出状态标签,其他 UI 可以派生围栏 ` ```console ` 回退)、`{ card: 'diff', title?, diffs }`(已完成的文件变更→要展示的变更,通常是从变更前后内容计算出带上下文行的已应用 hunk或在没有前像时的整文件 diff、或 `{ card: 'web', kind: 'search' | 'fetch', title?, … }`(已完成的 web 检索;`kind: 'search'` 携带结构化的 `sources`/`answer?`/`truncated``kind: 'fetch'` 携带 `url`/`statusCode`/`truncated`,不具备 `web` 能力的 UI 回退到原始结果内容——正文不会重复进视图)。已完成视图会替换待执行视图,因此变更工具即使与调用时的片段重复也要返回 diff 结果。
- `ToolResultView`(已完成):`{ card: 'generic', title?, content? }`、`{ card: 'terminal', title?, output?, exitCode?, signal? }`(捕获的运行输出 + 退出状态;有能力的 UI 显示退出状态标签,其他 UI 可以派生围栏 ` ```console ` 回退)、`{ card: 'diff', title?, diffs }`(已完成的文件变更→要展示的变更,通常是从变更前后内容计算出带上下文行的已应用 hunk或在没有前像时的整文件 diff`{ card: 'read', title?, path, offset, lines, totalLines, lang?, content? }`(已完成的文件读取→带行号、可选语法高亮的代码视图;`offset` 是窗口请求的 1-based 起始行,即使 `lines` 为空也保留;`lang` 是从扩展名推得的语言提示,`content` 是无读取能力的 UI 回退时使用的去信封文本)、`{ card: 'web', kind: 'search' | 'fetch', title?, … }`(已完成的 web 检索;`kind: 'search'` 携带结构化的 `sources`/`answer?`/`truncated``kind: 'fetch'` 携带 `url`/`statusCode`/`truncated`,不具备 `web` 能力的 UI 回退到原始结果内容——正文不会重复进视图)。已完成视图会替换待执行视图,因此变更工具即使与调用时的片段重复也要返回 diff 结果。
`ToolCallKind``'read' | 'edit' | 'delete' | 'move' | 'search' | 'execute' | 'fetch' | 'other'`)用于为通用卡片选择图标。`FileLocation``{ path, line? }``FileDiff``{ path, oldText, newText }`)是共享的文件卡片词汇。该设计由[渲染意图联合类型 Agent Noteagent 决策记录)](../../.agents/notes/implemented/architecture/2026-07-02-tool-render-intent-union.md)固定TUI 和 host/client 运行时将这套中性词汇投影为各自的视图。
`ToolCallKind``'read' | 'edit' | 'delete' | 'move' | 'search' | 'execute' | 'fetch' | 'other'`)用于为通用卡片选择图标。`FileLocation``{ path, line? }``FileDiff``{ path, oldText, newText }``ReadFileLine``{ number, text }`,读取窗口中一行带 1-based 行号的内容)是共享的文件卡片词汇。该设计由[渲染意图联合类型 Agent Noteagent 决策记录)](../../.agents/notes/implemented/architecture/2026-07-02-tool-render-intent-union.md)固定TUI 和 host/client 运行时将这套中性词汇投影为各自的视图。
完整的展示字段文档见 [`packages/core/tools/src/presentation.ts`](../../packages/core/tools/src/presentation.ts)。`bash` schema 与执行器见 [bash.md](bash.md);通用后台控制见 [tasks.md](tasks.md)。

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@@ -48,12 +48,12 @@ This matrix shows which packages dispatch each harness-owned event and which pac
| `system-prompt/assemble` | `waterfall` | [`packages/core/system-prompt/src/index.ts:29`](../packages/core/system-prompt/src/index.ts) | [`system-prompt`](../packages/core/system-prompt) (`waterfall`) | [`agent`](../packages/core/agent), [`system-prompt`](../packages/core/system-prompt) |
| `system-prompt/change` | `emit` | [`packages/core/system-prompt/src/index.ts:35`](../packages/core/system-prompt/src/index.ts) | [`system-prompt`](../packages/core/system-prompt) (`emit`) | - |
| `telemetry/record` | `waterfall` | [`packages/telemetry/session-telemetry/src/index.ts:41`](../packages/telemetry/session-telemetry/src/index.ts) | [`session-telemetry`](../packages/telemetry/session-telemetry) (`waterfall`) | - |
| `tools/change` | `emit` | [`packages/core/tools/src/index.ts:160`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`emit`) | - |
| `tools/code-dispatch-log` | `waterfall` | [`packages/core/tools/src/index.ts:142`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`spill-policy`](../packages/spill/spill-policy) |
| `tools/execute` | `waterfall` | [`packages/core/tools/src/index.ts:117`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`session-checkpoint-policy`](../packages/session-persistence/session-checkpoint-policy), [`timeout-policy`](../packages/timeout/timeout-policy) |
| `tools/post-execute` | `waterfall` | [`packages/core/tools/src/index.ts:129`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard), [`spill-policy`](../packages/spill/spill-policy), [`tool-fs-search`](../packages/fs/tool-fs-search), [`workspace-context`](../packages/context/workspace-context) |
| `tools/pre-execute` | `waterfall` | [`packages/core/tools/src/index.ts:106`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex), [`tool-tasks`](../packages/tasks/tool-tasks) |
| `tools/result` | `emit` | [`packages/core/tools/src/index.ts:150`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`events.dispatch`) | [`subagent-inprocess`](../packages/subagent/subagent-inprocess), [`workspace-context`](../packages/context/workspace-context) |
| `tools/change` | `emit` | [`packages/core/tools/src/index.ts:162`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`emit`) | - |
| `tools/code-dispatch-log` | `waterfall` | [`packages/core/tools/src/index.ts:144`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`spill-policy`](../packages/spill/spill-policy) |
| `tools/execute` | `waterfall` | [`packages/core/tools/src/index.ts:119`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`session-checkpoint-policy`](../packages/session-persistence/session-checkpoint-policy), [`timeout-policy`](../packages/timeout/timeout-policy) |
| `tools/post-execute` | `waterfall` | [`packages/core/tools/src/index.ts:131`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard), [`spill-policy`](../packages/spill/spill-policy), [`tool-fs-search`](../packages/fs/tool-fs-search), [`workspace-context`](../packages/context/workspace-context) |
| `tools/pre-execute` | `waterfall` | [`packages/core/tools/src/index.ts:108`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex), [`tool-tasks`](../packages/tasks/tool-tasks) |
| `tools/result` | `emit` | [`packages/core/tools/src/index.ts:152`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`events.dispatch`) | [`subagent-inprocess`](../packages/subagent/subagent-inprocess), [`workspace-context`](../packages/context/workspace-context) |
| `workflow/agent-end` | `emit` | [`packages/workflow/workflow/src/index.ts:81`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | [`workflow`](../packages/workflow/workflow) |
| `workflow/agent-start` | `emit` | [`packages/workflow/workflow/src/index.ts:70`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | [`workflow`](../packages/workflow/workflow) |
| `workflow/end` | `emit` | [`packages/workflow/workflow/src/index.ts:91`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | [`workflow`](../packages/workflow/workflow) |

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@@ -684,8 +684,10 @@ flowchart TD
pkg_tasks_local --> pkg_invariants
pkg_tasks_local --> pkg_tasks
pkg_tasks_local --> pkg_timeout
pkg_session_telemetry_otel --> pkg_brand
pkg_session_telemetry_otel --> pkg_invariants
pkg_session_telemetry_otel --> pkg_llm
pkg_session_telemetry_otel --> pkg_paths
pkg_session_telemetry_otel --> pkg_session
pkg_session_telemetry_otel --> pkg_session_telemetry
pkg_agent_loop --> pkg_agent
@@ -1159,7 +1161,7 @@ flowchart TD
| [`client-ui-model`](../packages/client/ui-model) | `client` | [`client-connection`](../packages/client/connection), [`client-locale`](../packages/client/locale), [`client-runtime`](../packages/client/runtime), [`client-ui-command`](../packages/client/ui-command), [`client-ui-conversation`](../packages/client/ui-conversation), [`client-ui-primitives`](../packages/client/ui-primitives), [`client-ui-slash`](../packages/client/ui-slash), [`client-ui-slots`](../packages/client/ui-slots), [`invariants`](../packages/support/invariants) |
| [`pty-local`](../packages/pty/pty-local) | `pty` | [`agent`](../packages/core/agent), [`invariants`](../packages/support/invariants), [`pty`](../packages/pty/pty), [`sandbox`](../packages/sandbox/sandbox), [`sandbox-policy`](../packages/sandbox/sandbox-policy), [`session`](../packages/core/session), [`subprocess`](../packages/subprocess/subprocess) |
| [`tasks-local`](../packages/tasks/tasks-local) | `tasks` | [`agent`](../packages/core/agent), [`invariants`](../packages/support/invariants), [`tasks`](../packages/tasks/tasks), [`timeout`](../packages/util/timeout) |
| [`session-telemetry-otel`](../packages/telemetry/session-telemetry-otel) | `telemetry` | [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-telemetry`](../packages/telemetry/session-telemetry) |
| [`session-telemetry-otel`](../packages/telemetry/session-telemetry-otel) | `telemetry` | [`brand`](../packages/util/brand), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`paths`](../packages/util/paths), [`session`](../packages/core/session), [`session-telemetry`](../packages/telemetry/session-telemetry) |
| [`agent-loop`](../packages/core/agent-loop) | `core` | [`agent`](../packages/core/agent), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`scope`](../packages/core/scope), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) |
| [`tool-goal`](../packages/goal/tool-goal) | `goal` | [`agent`](../packages/core/agent), [`goal`](../packages/goal/goal), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) |
| [`tool-bash`](../packages/bash/tool-bash) | `bash` | [`agent`](../packages/core/agent), [`bash`](../packages/bash/bash), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`paths`](../packages/util/paths), [`sandbox`](../packages/sandbox/sandbox), [`sandbox-policy`](../packages/sandbox/sandbox-policy), [`session-persistence`](../packages/session-persistence/session-persistence), [`system-prompt`](../packages/core/system-prompt), [`tasks`](../packages/tasks/tasks), [`tools`](../packages/core/tools), [`user-approval`](../packages/ui/user-approval) |

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@@ -14,7 +14,7 @@
{"type":"assistant/chunk","seq":68,"time":1783352086057,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}}
{"type":"assistant/message","seq":69,"time":1783352086059,"data":{"turn":1,"step":1,"message":{"role":"assistant","content":[{"type":"reasoning","text":"The user wants me to:\n1. Read config.txt in the current directory\n2. Use the edit tool to replace DEBUG with RELEASE\n3. Reply with exactly \"DONE\"\n\nLet me start by reading the file."},{"type":"tool-call","id":"call_00_S6krdIDHoSCGWv7WnXX97617","name":"read","arguments":"{\"file_path\": \"config.txt\"}"}],"source":{"kind":"model","provider":"deepseek-official","model":"deepseek-v4-flash"},"id":"36ebf262-429c-4398-abbc-a197e2522f1d"},"usage":{"inputTokens":2900,"outputTokens":91,"cacheReadTokens":0,"reasoningTokens":46}},"sourceEventSeqs":[5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68],"surfaceOp":"append"}
{"type":"tool/call","seq":70,"time":1783352086059,"data":{"turn":1,"step":1,"callId":"call_00_S6krdIDHoSCGWv7WnXX97617","name":"read","arguments":"{\"file_path\": \"config.txt\"}"}}
{"type":"tool/result","seq":71,"time":1783352086065,"data":{"turn":1,"step":1,"message":{"source":{"kind":"tool","callId":"call_00_S6krdIDHoSCGWv7WnXX97617"},"content":[{"type":"tool-result","toolCallId":"call_00_S6krdIDHoSCGWv7WnXX97617","content":[{"type":"text","text":"<path>{{cwd}}/config.txt</path>\n<type>file</type>\n<content>\n1: mode=DEBUG\n2: level=info\n\n(End of file - total 2 lines)\n</content>"}],"isError":false}],"role":"user","id":"1c3ce978-55ee-4337-a586-084a77ed44e7"}},"sourceEventSeqs":[70],"surfaceOp":"append"}
{"type":"tool/result","seq":71,"time":1783352086065,"data":{"turn":1,"step":1,"message":{"source":{"kind":"tool","callId":"call_00_S6krdIDHoSCGWv7WnXX97617"},"content":[{"type":"tool-result","toolCallId":"call_00_S6krdIDHoSCGWv7WnXX97617","content":[{"type":"text","text":"<path>{{cwd}}/config.txt</path>\n<type>file</type>\n<content>\n1: mode=DEBUG\n2: level=info\n\n(End of file - total 2 lines)\n</content>"}],"isError":false}],"role":"user","id":"1c3ce978-55ee-4337-a586-084a77ed44e7"},"meta":{"path":"{{cwd}}/config.txt","offset":1,"lines":[{"number":1,"text":"mode=DEBUG"},{"number":2,"text":"level=info"}],"totalLines":2}},"sourceEventSeqs":[70],"surfaceOp":"append"}
{"type":"step/end","seq":72,"time":1783352086065,"data":{"turn":1,"step":1}}
{"type":"step/start","seq":73,"time":1783352086066,"data":{"turn":1,"step":2}}
{"type":"assistant/chunk","seq":74,"time":1783352086901,"data":{"turn":1,"step":2,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}}

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@@ -27,7 +27,7 @@
{"type":"assistant/chunk","seq":143,"time":1783611705572,"data":{"turn":1,"step":2,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}}
{"type":"assistant/message","seq":144,"time":1783611705573,"data":{"turn":1,"step":2,"message":{"role":"assistant","content":[{"type":"reasoning","text":"The edit tool requires reading the file first. The user said \"Do not read the file first\" but the tool's own constraints require reading. I need to follow the tool requirements. Let me read the file first."},{"type":"tool-call","id":"call_00_tfr0gdIclW92oIEgi7NF0891","name":"read","arguments":"{\"file_path\": \"settings.txt\"}"}],"source":{"kind":"model","provider":"deepseek-official","model":"deepseek-v4-flash"},"id":"de588e3c-b10c-4eee-93a5-26e9a665dcbc"},"usage":{"inputTokens":235,"outputTokens":89,"cacheReadTokens":3072,"reasoningTokens":44}},"sourceEventSeqs":[82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143],"surfaceOp":"append"}
{"type":"tool/call","seq":145,"time":1783611705573,"data":{"turn":1,"step":2,"callId":"call_00_tfr0gdIclW92oIEgi7NF0891","name":"read","arguments":"{\"file_path\": \"settings.txt\"}"}}
{"type":"tool/result","seq":146,"time":1783611705579,"data":{"turn":1,"step":2,"message":{"source":{"kind":"tool","callId":"call_00_tfr0gdIclW92oIEgi7NF0891"},"content":[{"type":"tool-result","toolCallId":"call_00_tfr0gdIclW92oIEgi7NF0891","content":[{"type":"text","text":"<path>{{cwd}}/settings.txt</path>\n<type>file</type>\n<content>\n1: color: blue\n\n(End of file - total 1 lines)\n</content>"}],"isError":false}],"role":"user","id":"fade9382-14c7-47e3-8da4-286008d7e9b8"}},"sourceEventSeqs":[145],"surfaceOp":"append"}
{"type":"tool/result","seq":146,"time":1783611705579,"data":{"turn":1,"step":2,"message":{"source":{"kind":"tool","callId":"call_00_tfr0gdIclW92oIEgi7NF0891"},"content":[{"type":"tool-result","toolCallId":"call_00_tfr0gdIclW92oIEgi7NF0891","content":[{"type":"text","text":"<path>{{cwd}}/settings.txt</path>\n<type>file</type>\n<content>\n1: color: blue\n\n(End of file - total 1 lines)\n</content>"}],"isError":false}],"role":"user","id":"fade9382-14c7-47e3-8da4-286008d7e9b8"},"meta":{"path":"{{cwd}}/settings.txt","offset":1,"lines":[{"number":1,"text":"color: blue"}],"totalLines":1}},"sourceEventSeqs":[145],"surfaceOp":"append"}
{"type":"step/end","seq":147,"time":1783611705579,"data":{"turn":1,"step":2}}
{"type":"step/start","seq":148,"time":1783611705579,"data":{"turn":1,"step":3}}
{"type":"assistant/chunk","seq":149,"time":1783611706200,"data":{"turn":1,"step":3,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}}

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@@ -14,7 +14,7 @@
{"type":"assistant/chunk","seq":90,"time":1783352101346,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}}
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@@ -14,7 +14,7 @@
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@@ -14,7 +14,7 @@
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@@ -15,8 +15,8 @@
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@@ -12,7 +12,7 @@
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{"type":"user/message","seq":14,"time":1784903339813,"data":{"content":[{"type":"text","text":"<system-reminder>\nAdditional instructions from: nested/AGENTS.md\n\nThese instructions apply to work under `nested`. Use them as guidance when relevant; more specific instructions take precedence. They do not override system, developer, or direct user instructions.\n\nNested snapshot instruction.\n\n</system-reminder>"}],"source":{"kind":"workspace-instructions","changes":[{"action":"set","scope":"nested\u0000AGENTS.md","path":"nested/AGENTS.md","digest":"c446df9a85c7e73a3055f394a4822a19ac9ead5a"}]},"role":"user","id":"68629935-05e9-4af7-bddb-aabfbbd70208"},"surfaceOp":"append"}
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@@ -23,7 +23,7 @@
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@@ -14,7 +14,7 @@
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@@ -2,5 +2,5 @@
# 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 packages/client/ui-conversation/README.md
README.md: 7c6e36409efd5f2f9224e85a9cbd3a5e515833c1
README.zh.md: 7661826153bc44ff47a660fa49a4ffd902d93bdd
README.md: b183aab56a10c3a22eeab31f8b1b0e6b5219beba
README.zh.md: af6427774a048de324d57bc9856f77547e9a03cc

View File

@@ -2,7 +2,7 @@
English | [中文](README.zh.md)
Conversation domain: skeleton (header/tabs/composer/empty state), chat view (grouped step-summary flow, streaming tail isolation, per-tool row slot with a bash sample registrant and the todo row), composer dock (session stats sticky with the input), input dock (queue rows plus the todo plan strip), minimal details panel, scope-addressed ConversationService. Contract: api-contracts v3 §7 plus the slot terminal design (store seat / props shares).
Conversation domain: skeleton (header/tabs/composer/empty state), chat view (grouped step-summary flow, streaming tail isolation, an animated left-to-right gradient `Deep diving...` turn status, per-tool row slot with a bash sample registrant and the todo row), composer dock (session stats sticky with the input), input dock (hairline-separated queue rows plus the todo plan strip), minimal details panel, scope-addressed ConversationService. Contract: api-contracts v3 §7 plus the slot terminal design (store seat / props shares).
The resident conversation shell survives no-session and session transitions. Without a current session it renders a disabled input bar; its root-scoped `conversation.hero.workspace` slot hosts the Workspace picker. Selecting a Workspace connects or reuses its Host-owned blank session and opens that session without replacing the shell. Blank sessions render the same composer body as active sessions, while the InputHub carries drafts across Workspace switches and mirrors them into the session store. In the active phase the session header occupies the top as ordinary column chrome; beneath it a scrollport (`data-conversation-scroll`) holds the flowing views and the sticky composer stack (stats dock + input docks + bar). Wheel over the textarea chains: the capped draft scrolls locally until its edge, then forwards to that host.

View File

@@ -2,7 +2,7 @@
[English](README.md) | 中文
会话领域:骨架(标题栏/标签页/编辑器/空状态)、聊天视图(分组步骤摘要流、流式尾部隔离、逐工具行 slot 及一个 bash 示例注册方与 todo 行)、编辑器 dock与输入区一同 sticky 的会话统计行)、输入区 dock队列行加 todo 计划条)、最小详情面板、按 scope 寻址的 ConversationService。契约api-contracts v3 §7 加 slot 终端设计store seatprops share
会话领域:骨架(标题栏/标签页/编辑器/空状态)、聊天视图(分组步骤摘要流、流式尾部隔离、带从左到右动态渐变的 `Deep diving...` 轮次状态、逐工具行 slot 及一个 bash 示例注册方与 todo 行)、编辑器 dock与输入区一同 sticky 的会话统计行)、输入区 dock带发丝分界线的队列行加 todo 计划条)、最小详情面板、按 scope 寻址的 ConversationService。契约api-contracts v3 §7 加 slot 终端设计store seatprops share
常驻会话壳会跨无会话与会话状态切换而保留。没有当前会话时,它会渲染禁用输入栏;其根作用域的 `conversation.hero.workspace` slot 承载 Workspace 选择器。选择 Workspace 会连接或复用由 Host 拥有的空白会话并在不替换会话壳的情况下打开该会话。空白会话与活跃会话渲染相同的输入区主体InputHub 则在 Workspace 切换间携带草稿,并将草稿镜像到会话 store。活跃阶段会话标题栏以普通列 chrome 占据顶部;其下滚动容器(`data-conversation-scroll`)承载流动排版的各视图与 sticky 编辑器栈(统计 dock输入区 dock输入栏。textarea 上的滚轮会链式处理:限高草稿先在本地滚动,到达边缘后再转交给该宿主。

View File

@@ -66,33 +66,45 @@
border-left: 1px solid var(--dsw-alias-border-l2);
}
/* Turn loader: one row of four 2.5px pixels (StateDot blue) chasing left to
right with a stepped trail — flat keyframe holds, no tweening. Phase
offsets come from per-rect animation-delay (index * -250ms) set inline
by the component. */
.turnDots {
/* Turn activity keeps the former loader's one-line footprint. A pale
brand-blue band sweeps from left to right; reduced-motion keeps it static. */
.turnStatus {
align-self: flex-start;
flex: none;
display: flex;
display: inline-flex;
align-items: center;
/* One message line box: the dots center inside the text line height. */
height: 26px;
/* Same pin as StateDot: ongoing blue has no alias token (business-primary
is the 500 step, not this 450). */
color: var(--dsw-static-deepseek-450);
font: var(--dsw-font-s-strong-14);
white-space: nowrap;
background: linear-gradient(
90deg,
var(--dsw-static-deepseek-500) 0%,
var(--dsw-static-deepseek-500) 40%,
var(--dsw-static-deepseek-200) 50%,
var(--dsw-static-deepseek-500) 60%,
var(--dsw-static-deepseek-500) 100%
);
background-position: 100% 0;
background-size: 250% 100%;
background-clip: text;
color: transparent;
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
animation: dsh-turn-status-shimmer 1.8s linear infinite;
}
.turnDotCell {
fill: currentColor;
opacity: 0.15;
animation: dsh-turn-dots-chase 1s infinite;
@keyframes dsh-turn-status-shimmer {
to {
background-position: 0 0;
}
}
@keyframes dsh-turn-dots-chase {
0%, 24.9% { opacity: 1; }
25%, 49.9% { opacity: 0.6; }
50%, 74.9% { opacity: 0.35; }
75%, 100% { opacity: 0.15; }
@media (prefers-reduced-motion: reduce) {
.turnStatus {
background-position: 0 0;
background-size: 100% 100%;
animation: none;
}
}
.hint {

View File

@@ -204,36 +204,11 @@ const CommandRow = memo(function CommandRow({ renderSlot, node, t }: {
)
})
/** Turn loader: one row of four 2.5px pixels (half a notch above the StateDot
* 2px cell, same blue) chasing left to right with a stepped trail — flat
* keyframe holds, no tweening, no rotation. Phase offsets come from
* per-rect animation-delay. */
const LOADER_CELLS = [0, 5, 10, 15] as const
function TurnDots() {
/** Turn-level model activity label retained across first-token, tool, and streaming phases. */
function TurnStatus() {
return (
/* The wrapper is a 26px line box (message line height) so the loader
occupies one text line and centers the dots inside it. */
<div className={css.turnDots} aria-hidden="true">
<svg
width="17.5"
height="2.5"
viewBox="0 0 17.5 2.5"
shapeRendering="crispEdges"
>
{LOADER_CELLS.map((x, index) => (
<rect
key={x}
className={css.turnDotCell}
x={x}
y="0"
width="2.5"
height="2.5"
/* Negative delay phases the chase so every cell animates from mount. */
style={{ animationDelay: `${(index - LOADER_CELLS.length) * 250}ms` }}
/>
))}
</svg>
<div className={css.turnStatus} role="status" aria-live="polite">
Deep diving...
</div>
)
}
@@ -491,7 +466,7 @@ export function ChatView({
double-render the same wait. */}
{/* Turn-level loading signal: rides the whole running turn (first-token
wait, tool execution, streaming) so it never flickers per step. */}
{running && <TurnDots />}
{running && <TurnStatus />}
</div>
{!atBottom && (
<div className={css.toBottomSlot}>

View File

@@ -107,6 +107,10 @@
border-radius: 8px;
}
.row + .row {
box-shadow: inset 0 1px 0 var(--dsw-alias-border-l1);
}
.preview,
.editor {
flex: 1 1 auto;

View File

@@ -193,6 +193,18 @@
white-space: pre-wrap;
word-break: break-word;
overflow-wrap: anywhere;
/* These three MUST wrap at one width, because InputBar mirrors a single
scroll offset between .input and .backdrop and a layer that wraps onto
more lines is taller, has a larger scroll maximum, and clamps the mirrored
offset below the caret. Only .input scrolls, so only .input can lose
content width to a scrollbar that consumes layout space.
`scrollbar-gutter: stable` here does NOT buy that guarantee and was
removed after measuring: WebKit applies it to overflow-y:auto but not to
the overflow:hidden layers, so it left .input at 768 against 776 — the
same gap it was meant to close — while costing chromium 8px of text width
unconditionally. The gap it would have closed is measured and recorded in
the Agent Note (2026-07-31-composer-glyph-layer-tracks-the-textarea);
closing it needs one geometry every engine agrees on, not this property. */
}
/* figma 34:10434: #ADB2B8 light / #81858C dark — the caption pair exactly. */

View File

@@ -62,6 +62,7 @@ export function InputBar({
const draft = input?.draft ?? ''
const empty = draft.trim() === ''
const inputRef = useRef<HTMLTextAreaElement | null>(null)
const backdropRef = useRef<HTMLDivElement | null>(null)
// IME guard: composition Enter picks a candidate, it must not send. The ref outlives renders;
// clearing is deferred one tick because Safari delivers the closing keydown AFTER compositionend.
const composingRef = useRef(false)
@@ -91,11 +92,22 @@ export function InputBar({
if (!locked) inputRef.current?.focus()
}, [locked, sessionId])
// Active conversation scrollport: chain the wheel. While the textarea (capped
// at 14 lines with overflow-y:auto) can still move in this direction, keep
// the native scroll; only at its own edge forward delta to the host so a
// short draft never traps the gesture and a long draft stays scrollable.
// Hero mounts have no host and keep native wheel scrolling.
// Two DOM listeners on the textarea, one lifetime (it is never unmounted —
// the inert state renders the same element disabled).
//
// wheel — active conversation scrollport: chain the gesture. While the
// textarea (capped at 14 lines with overflow-y:auto) can still move in this
// direction, keep the native scroll; only at its own edge forward delta to
// the host so a short draft never traps the gesture and a long draft stays
// scrollable. Hero mounts have no host and keep native wheel scrolling.
//
// scroll — the backdrop paints every visible glyph (the textarea's own text
// is transparent) but is clipped, not scrolled, so it does not follow the
// textarea on its own: without this mirror a draft past the cap moves the
// caret while the words stay frozen in place. Every way the box moves ends
// in a `scroll` event, edits included (the caret is scrolled into view), and
// the layers share an extent, so a draft that shrinks past the offset clamps
// both to the same maximum — one listener covers the coupling.
useEffect(() => {
const el = inputRef.current
if (el === null) return
@@ -108,8 +120,16 @@ export function InputBar({
e.preventDefault()
host.scrollTop += e.deltaY
}
const onScroll = (): void => {
const backdropEl = backdropRef.current
if (backdropEl !== null) backdropEl.scrollTop = el.scrollTop
}
el.addEventListener('wheel', onWheel, { passive: false })
return () => { el.removeEventListener('wheel', onWheel) }
el.addEventListener('scroll', onScroll, { passive: true })
return () => {
el.removeEventListener('wheel', onWheel)
el.removeEventListener('scroll', onScroll)
}
}, [])
const onKeyDown = (e: KeyboardEvent<HTMLTextAreaElement>): void => {
@@ -355,6 +375,22 @@ export function InputBar({
const displayHint = translated !== hintKey ? translated : deco.hint
backdrop.push(<span key="hint" className={css.hint} data-decoration="hint">{displayHint}</span>)
}
// Trailing-line sentinel, the same one the mirror div carries and for the
// same reason: a textarea reserves a line box for the caret after a final
// newline, while `white-space: pre-wrap` collapses a text node's trailing
// newline and generates none. Without it a draft ending in a newline makes
// the backdrop exactly one line SHORTER than the textarea, so mirroring the
// offset at the very bottom clamps and the glyphs sit a line behind the
// caret. The extra newline is absorbed by that same collapse when the draft
// does not end in one, so it costs no height in the ordinary case.
//
// The mirror only fails one way — a backdrop SHORTER than the textarea
// clamps the assignment, while a taller one takes every offset exactly and
// hides the surplus below the clip. That is why the ghost hint needs no
// handling of its own: it can only add content after the draft and before
// this sentinel, never remove a line box, so it moves the pair to equal or
// to the safe side.
backdrop.push('\n')
}
return (
@@ -376,7 +412,7 @@ export function InputBar({
(min/max capped in CSS); the absolutely-positioned textarea rides its height. Counting
rows by '\n' cannot see soft wraps. */}
<div className={css.grow}>
<div aria-hidden className={css.backdrop} data-input-backdrop>{backdrop}</div>
<div ref={backdropRef} aria-hidden className={css.backdrop} data-input-backdrop>{backdrop}</div>
<textarea
ref={inputRef}
className={css.input}

View File

@@ -5,7 +5,7 @@
import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
import { Profiler } from 'react'
import { act, cleanup, fireEvent, render } from '@testing-library/react'
import { act, cleanup, fireEvent, render, within } from '@testing-library/react'
import type {
AssistantMessageNode, CommandNode, ConversationNode, ConversationSnapshot,
ModelRetryNode, RunningToolCall, SessionId, SessionListState, ToolResultNode,
@@ -254,16 +254,16 @@ describe('ChatView', () => {
} as const satisfies ConversationNode
const h = makeHarness({ nodes: [user(1, 'try'), retryNode], running: true })
const view = render(<h.ChatView {...h.props} />)
const disclosure = view.container.querySelector('details')
expect(disclosure?.dataset.active).toBe('true')
expect(view.getByRole('status').textContent).toBe('正在重试模型请求1/2 · 1s')
const disclosure = view.container.querySelector('details') as HTMLDetailsElement
expect(disclosure.dataset.active).toBe('true')
expect(within(disclosure).getByRole('status').textContent).toBe('正在重试模型请求1/2 · 1s')
act(() => {
h.set({ nodes: [user(1, 'try'), retryNode, nextRetry] })
})
expect(view.getAllByRole('status')).toHaveLength(1)
expect(within(disclosure).getAllByRole('status')).toHaveLength(1)
expect(view.container.querySelector('details')).toBe(disclosure)
expect(view.getByRole('status').textContent).toBe('正在重试模型请求2/2 · 1s')
expect(within(disclosure).getByRole('status').textContent).toBe('正在重试模型请求2/2 · 1s')
act(() => {
h.set({
@@ -277,14 +277,15 @@ describe('ChatView', () => {
running: false,
})
})
expect(disclosure?.dataset.active).toBeUndefined()
expect(view.getByRole('status').textContent).toBe('已重试模型请求2/2 · 1s')
expect(disclosure.dataset.active).toBeUndefined()
expect(within(disclosure).getByRole('status').textContent).toBe('已重试模型请求2/2 · 1s')
act(() => {
h.set({ nodes: [user(1, 'try'), { ...retry(6), retryState: 'cancelled' }], running: true })
})
expect(disclosure?.dataset.active).toBeUndefined()
expect(view.getByRole('status').textContent).toContain('重试已取消')
const cancelledDisclosure = view.container.querySelector('details') as HTMLDetailsElement
expect(cancelledDisclosure.dataset.active).toBeUndefined()
expect(within(cancelledDisclosure).getByRole('status').textContent).toContain('重试已取消')
})
it('the expanded row Inspect pill hands the call id to inspectCall', () => {
@@ -448,6 +449,7 @@ describe('ChatView', () => {
const view = render(<h.ChatView {...h.props} />)
expect(view.container.querySelector('[data-state="running"]')).not.toBeNull()
expect(view.getByText('cmd-r1')).toBeTruthy()
expect(view.getByRole('status').textContent).toBe('Deep diving...')
})
it('dispatches each tool row through the keyed slot with the tool name as entryKey', () => {

View File

@@ -289,6 +289,37 @@ describe('running and lock semantics (queue cut 1)', () => {
}
})
it('the decoration backdrop tracks the textarea offset (it paints every visible glyph)', () => {
const { view, textarea } = bench({ draft: 'line\n'.repeat(40) })
const backdrop = view.container.querySelector<HTMLElement>('[data-input-backdrop]')!
Object.defineProperty(backdrop, 'scrollTop', { value: 0, writable: true, configurable: true })
Object.defineProperty(textarea, 'scrollTop', { value: 0, writable: true, configurable: true })
// A scrolled draft: the textarea moves, the clipped backdrop must follow.
textarea.scrollTop = 120
fireEvent.scroll(textarea)
expect(backdrop.scrollTop).toBe(120)
// Every later move tracks too, including back to the top — a one-shot
// mirror would leave the glyphs parked at the first offset it saw.
textarea.scrollTop = 0
fireEvent.scroll(textarea)
expect(backdrop.scrollTop).toBe(0)
})
it('the backdrop carries the trailing-line sentinel that keeps its extent equal to the textarea', () => {
// jsdom has no layout, so the HEIGHTS this protects cannot be asserted here
// (the browser scenario owns that); what is checkable is that the backdrop's
// text is the draft plus exactly one newline. A textarea reserves a line box
// after a final newline and `pre-wrap` collapses one, so without the
// sentinel a draft ending in a newline leaves the backdrop a line short and
// the mirrored offset clamps.
const withNewline = bench({ draft: 'alpha\nbeta\n' })
const backdrop = withNewline.view.container.querySelector<HTMLElement>('[data-input-backdrop]')!
expect(backdrop.textContent).toBe('alpha\nbeta\n\n')
const withoutNewline = bench({ draft: 'alpha\nbeta' })
const plain = withoutNewline.view.container.querySelector<HTMLElement>('[data-input-backdrop]')!
expect(plain.textContent).toBe('alpha\nbeta\n')
})
it('disabled state shows the unavailable placeholder; custom placeholder wins', () => {
const { textarea } = bench({ disabled: true })
expect(textarea.placeholder).toBe('会话不可用')

View File

@@ -2211,6 +2211,14 @@ export const TYPE_API: readonly TypeApiEntry[] = [
name: 'PtyWaitReason',
declaration: 'export type PtyWaitReason = \'stdin_read\' | \'inferred_idle\' | \'timeout\' | \'session_exit\';',
},
{
name: 'ReadFileLine',
declaration: 'export interface ReadFileLine {\n number: number;\n text: string;\n}',
},
{
name: 'ReadResultView',
declaration: 'export interface ReadResultView {\n card: \'read\';\n title?: string;\n path: string;\n offset: number;\n lines: ReadFileLine[];\n totalLines: number;\n lang?: string;\n content?: ContentBlock[];\n}',
},
{
name: 'ReasoningBlock',
declaration: 'export interface ReasoningBlock {\n type: \'reasoning\';\n text: string;\n}',
@@ -2849,7 +2857,7 @@ export const TYPE_API: readonly TypeApiEntry[] = [
},
{
name: 'ToolResultView',
declaration: 'export type ToolResultView = GenericResultView | TerminalResultView | DiffResultView | WebResultView;',
declaration: 'export type ToolResultView = GenericResultView | TerminalResultView | DiffResultView | ReadResultView | WebResultView;',
},
{
name: 'ToolRunContext',

View File

@@ -2,5 +2,5 @@
# 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 packages/core/tools/README.md
README.md: e7f395f8c1d6417db856e590f5267cf6887e4d12
README.zh.md: acb4c047bf86e36c828882ff751d4be1f627f99e
README.md: dcce455f9551318f3871e3df84c29789078fef7c
README.zh.md: 63eaa2e0b66797c74a1d4845c29ca970b63f5f99

View File

@@ -108,7 +108,7 @@ Optional `isConcurrencySafe(args)` receives typed, softly validated arguments. E
Tools optionally own pure `presentCall()` and `presentResult()` render intents, so UIs do not special-case tool names:
- Call views are `{ card: 'generic', title, kind?, rawInput?, content?, locations? }`, `{ card: 'terminal', title, description?, cwd? }`, or `{ card: 'diff', title, diffs, locations? }`.
- Result views are `{ card: 'generic', title?, content? }`, `{ card: 'terminal', title?, output?, exitCode?, signal? }`, `{ card: 'diff', title?, diffs }`, or `{ card: 'web', kind: 'search' | 'fetch', title?, … }` (a completed web retrieval; the `kind` arms carry the structured search sources or the fetch summary, and a UI without the `web` capability falls back to the raw result content).
- Result views are `{ card: 'generic', title?, content? }`, `{ card: 'terminal', title?, output?, exitCode?, signal? }`, `{ card: 'diff', title?, diffs }`, `{ card: 'read', title?, path, offset, lines, totalLines, lang?, content? }` (a completed file read → a line-numbered, optionally syntax-highlighted code view; `offset` is the 1-based first line the window requested, kept even when `lines` is empty; `lines` is `{ number, text }[]` keeping each file line number, and `content` is the envelope-stripped text a UI without read support falls back to), or `{ card: 'web', kind: 'search' | 'fetch', title?, … }` (a completed web retrieval; the `kind` arms carry the structured search sources or the fetch summary, and a UI without the `web` capability falls back to the raw result content).
Returning `undefined` selects generic fallback. Presenters depend only on their arguments and the durable result because UIs call them during live streaming and log replay. `output.presentationMeta(args, value)` derives JSON metadata for direct surface calls; that metadata persists with `tool/result` and returns to `presentResult`, while the canonical value itself remains execution-local and is never replayed. Nested Code dispatches do not compute metadata. `defineTool` soft-validates older logged arguments and falls back instead of crashing replay. `dsh-tool-bash` and `dsh-tool-fs` are the reference implementations; the [canonical-output Agent Note](../../../.agents/notes/implemented/architecture/2026-07-20-canonical-tool-output-contract.md) owns the value/presentation split and the [render-intent Agent Note](../../../.agents/notes/implemented/architecture/2026-07-02-tool-render-intent-union.md) owns card vocabulary.

View File

@@ -108,7 +108,7 @@ ctx.tools.register(defineTool({
工具可以选择拥有纯 `presentCall()``presentResult()` 呈现意图,使 UI 无需特殊处理工具名称:
- 调用视图为 `{ card: 'generic', title, kind?, rawInput?, content?, locations? }``{ card: 'terminal', title, description?, cwd? }``{ card: 'diff', title, diffs, locations? }`
- 结果视图为 `{ card: 'generic', title?, content? }``{ card: 'terminal', title?, output?, exitCode?, signal? }``{ card: 'diff', title?, diffs }` `{ card: 'web', kind: 'search' | 'fetch', title?, … }`(已完成的 web 检索;`kind` 各分支携带结构化的搜索来源或抓取摘要,不具备 `web` 能力的 UI 回退到原始结果内容)。
- 结果视图为 `{ card: 'generic', title?, content? }``{ card: 'terminal', title?, output?, exitCode?, signal? }``{ card: 'diff', title?, diffs }``{ card: 'read', title?, path, offset, lines, totalLines, lang?, content? }`(已完成的文件读取→带行号、可选语法高亮的代码视图;`offset` 是窗口请求的 1-based 起始行,即使 `lines` 为空也保留;`lines``{ number, text }[]`,保留每一行的文件行号,`content` 是无读取能力的 UI 回退时使用的去信封文本)`{ card: 'web', kind: 'search' | 'fetch', title?, … }`(已完成的 web 检索;`kind` 各分支携带结构化的搜索来源或抓取摘要,不具备 `web` 能力的 UI 回退到原始结果内容)。
返回 `undefined` 会选择通用回退。呈现器只依赖其参数和持久结果,因为 UI 会在实时流式输出和日志回放期间调用它们。`output.presentationMeta(args, value)` 为直接接口调用派生 JSON 元数据;该元数据随 `tool/result` 持久化并传回 `presentResult`,而规范值本身仍只存在于执行局部,绝不会回放。嵌套 Code 分发不会计算元数据。`defineTool` 会软验证较旧的日志参数并回退,而不会使回放崩溃。`dsh-tool-bash``dsh-tool-fs` 是参考实现;[规范输出 Agent Note](../../../.agents/notes/implemented/architecture/2026-07-20-canonical-tool-output-contract.md) 规定值/呈现拆分,[呈现意图 Agent Note](../../../.agents/notes/implemented/architecture/2026-07-02-tool-render-intent-union.md) 规定卡片词汇。

View File

@@ -74,6 +74,7 @@ export type {
ToolCallKind,
FileLocation,
FileDiff,
ReadFileLine,
ToolCallView,
GenericCallView,
TerminalCallView,
@@ -82,6 +83,7 @@ export type {
GenericResultView,
TerminalResultView,
DiffResultView,
ReadResultView,
WebResultView,
WebSearchResultView,
WebFetchResultView,

View File

@@ -117,6 +117,18 @@ export interface DiffCallView {
locations?: FileLocation[]
}
/**
* One numbered line of a file, the unit a {@link ReadResultView} carries so a
* capable UI can render a syntax-highlighted, line-numbered code view. `number`
* is the 1-based line number in the file (a window past `offset` keeps the file's
* own numbering, not a 1-based re-count); `text` is the line without its trailing
* newline, already truncated to the read tool's per-line cap.
*/
export interface ReadFileLine {
number: number
text: string
}
/**
* How a tool wants the COMPLETED call shown — the *result* state, after `execute`
* returns. A `card`-tagged union mirroring {@link ToolCallView}: a UI switches on
@@ -125,7 +137,7 @@ export interface DiffCallView {
* `ToolDefinition.presentResult`; omitting the method keeps the pending
* title and renders the raw result content.
*/
export type ToolResultView = GenericResultView | TerminalResultView | DiffResultView | WebResultView
export type ToolResultView = GenericResultView | TerminalResultView | DiffResultView | ReadResultView | WebResultView
/**
* The default completed card: an optional replacement title and reformatted
@@ -177,6 +189,47 @@ export interface DiffResultView {
diffs: FileDiff[]
}
/**
* A completed file read rendered as a line-numbered, optionally syntax-highlighted
* code view by a capable UI. Set by a tool whose call reads file text (e.g.
* `read`); the pending state stays a {@link GenericCallView} (`kind: 'read'`)
* because a call carries no content until `execute` returns. The structured
* `lines`/`path`/`lang`/`totalLines` fields cannot be reconstructed from the
* model-facing result text alone, so the read tool projects them through its
* `output.presentationMeta` (persisted with the session log) and `presentResult`
* narrows that metadata back into this view on live and replay paths alike. A UI
* without the read capability falls back to `content` (the model-facing text with
* its envelope stripped), so this view degrades to the generic text card.
*/
export interface ReadResultView {
card: 'read'
/** Replacement title for the completed call. Omit to keep the pending-state title. */
title?: string
/** The read file's path (the model-facing path; the bridge relativizes it). */
path: string
/**
* The 1-based first line the window requested, preserved even when `lines` is
* empty (a byte cap below the first selected line yields an empty window) so a
* UI knows where the window starts and where a continuation resumes.
*/
offset: number
/** The returned window's lines, in file order, each keeping its file line number. */
lines: ReadFileLine[]
/** Exact total line count in the file, so a UI can show a "showing N of M" affordance. */
totalLines: number
/**
* A syntax-highlighting language hint derived from the file extension (e.g.
* `ts`, `py`), or omitted when the extension maps to no known language so a UI
* renders the lines as plain text.
*/
lang?: string
/**
* The model-facing result content with its envelope stripped, for a UI without
* the read capability. Omit to let such a UI render the raw result content.
*/
content?: ContentBlock[]
}
/**
* One citeable source in a completed {@link WebSearchResultView}, the faithful
* projection of one web-search source. The presentation projection of `dsh-web`'s

View File

@@ -2,5 +2,5 @@
# 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 packages/fs/tool-fs/README.md
README.md: 4ff9b043525e8e7a0b59e3d91410951d88bb9a69
README.zh.md: ce93e10072d74ce268273aa472bfbb3f34f46259
README.md: c00b59fed06249e6d9479c4a809cdf7d78f93239
README.zh.md: f90fbb36391c1388ab0f6836daa2a9061d046be6

View File

@@ -34,7 +34,7 @@ All keys are optional; the defaults are the shipped read caps.
Field names are snake_case to match Claude Code and existing harness tool schemas.
Canonical successes are `read` → `{ path, offset, lines: [{ number, text }], totalLines }`, `write` → `{ path, operation: 'create' | 'update', before: string | null, after }`, and `edit` → `{ path, before, after }`. Native renderers preserve the line-numbered read and mutation acknowledgements below. Write/edit derive replayable diff-card metadata from these values; the values themselves are execution-local and are not added to `tool/result`.
Canonical successes are `read` → `{ path, offset, lines: [{ number, text }], totalLines }`, `write` → `{ path, operation: 'create' | 'update', before: string | null, after }`, and `edit` → `{ path, before, after }`. Native renderers preserve the line-numbered read and mutation acknowledgements below. `write`/`edit` derive replayable diff-card metadata, and `read` derives a replayable read-card window `{ path, offset, lines, totalLines, lang? }`, from these canonical values; the canonical values themselves are execution-local and are not added to `tool/result`, only the derived presentation metadata is persisted.
## The tool is the executor; policy is an event gate

View File

@@ -34,7 +34,7 @@ await ctx.plugin(ToolFs) // this package — re
字段名使用 snake_case与 Claude Code 和现有 harness 工具 schema 一致。
规范成功值分别为:`read` → `{ path, offset, lines: [{ number, text }], totalLines }``write` → `{ path, operation: 'create' | 'update', before: string | null, after }``edit` → `{ path, before, after }`。原生渲染器会保留下方带行号的读取结果和变更确认。写入/编辑从这些值派生可回放的 diff 卡片元数据;这些值本身仅限于本次执行,不会添加到 `tool/result`。
规范成功值分别为:`read` → `{ path, offset, lines: [{ number, text }], totalLines }``write` → `{ path, operation: 'create' | 'update', before: string | null, after }``edit` → `{ path, before, after }`。原生渲染器会保留下方带行号的读取结果和变更确认。`write`/`edit` 从这些规范值派生可回放的 diff 卡片元数据`read` 派生可回放的读取卡片窗口 `{ path, offset, lines, totalLines, lang? }`;规范值本身仅限于本次执行,不会添加到 `tool/result`,只有派生出的呈现元数据会被持久化
## 工具就是执行器;策略是事件门禁

View File

@@ -168,3 +168,105 @@ export function formatReadOutput(displayPath: string, outcome: FileReadOutcome):
${body}
</content>`
}
/**
* Lowercased file-extension to syntax-highlighting language hint. Keys are the
* extension without its dot; a UI treats an absent key as plain text. The map is
* intentionally small — common source, config, and markup extensions a
* line-numbered code view benefits from highlighting — not an exhaustive registry.
*/
const LANG_BY_EXTENSION: Readonly<Record<string, string>> = {
ts: 'ts', tsx: 'tsx', mts: 'ts', cts: 'ts',
js: 'js', jsx: 'jsx', mjs: 'js', cjs: 'js',
json: 'json', jsonc: 'json',
py: 'py', rb: 'rb', go: 'go', rs: 'rs', java: 'java',
c: 'c', h: 'c', cc: 'cpp', cpp: 'cpp', hpp: 'cpp', cxx: 'cpp',
cs: 'cs', kt: 'kotlin', swift: 'swift', php: 'php',
sh: 'sh', bash: 'sh', zsh: 'sh',
yaml: 'yaml', yml: 'yaml', toml: 'toml', ini: 'ini',
md: 'md', markdown: 'md', mdx: 'mdx',
html: 'html', htm: 'html', css: 'css', scss: 'scss', less: 'less',
sql: 'sql', xml: 'xml', lua: 'lua',
}
/**
* Derive a syntax-highlighting language hint from a read path's file extension.
* Pure and case-insensitive on the extension; a dotfile with no extension
* (`.gitignore`) and an unknown extension both yield `undefined`.
* @param path - the model-facing path the read reported.
* @returns the language hint for {@link LANG_BY_EXTENSION}, or `undefined` when the extension maps to none.
*/
export function langFromPath(path: string): string | undefined {
const base = path.slice(Math.max(path.lastIndexOf('/'), path.lastIndexOf('\\')) + 1)
const dot = base.lastIndexOf('.')
// A leading dot is a dotfile (no extension), not an empty extension.
if (dot <= 0) return undefined
const ext = base.slice(dot + 1).toLowerCase()
// Own-property check only: a filename whose extension is an Object.prototype
// key (`foo.constructor`, `foo.__proto__`) must map to no language, not to the
// inherited member — otherwise a function would reach `lang` and fail the
// tool-output JSON validation.
return Object.hasOwn(LANG_BY_EXTENSION, ext) ? LANG_BY_EXTENSION[ext] : undefined
}
/**
* The `read` tool's private `tool/result` `meta` payload: the structured
* line-numbered window a capable UI renders as a code view. Attached opaquely (as
* `unknown`) on the tool result and persisted with the session log — it must be
* JSON-serializable (the session validates this at `append`), so `presentResult`
* reproduces the read card on replay when the raw structured output is no longer
* on the wire. The producing tool owns and narrows this opaque shape.
*/
export interface FsReadMeta {
/** The read file's model-facing path. */
path: string
/** The 1-based first line the window requested, kept even when `lines` is empty. */
offset: number
/** The returned window's lines, each keeping its file line number. */
lines: FileTextLine[]
/** Exact total line count in the file. */
totalLines: number
/** Syntax-highlighting language hint from the extension, or omitted for plain text. */
lang?: string
}
/**
* Whether `value` is a valid {@link FileTextLine} (defensive narrowing from
* opaque `meta`). `number` must be a 1-based integer line number, since a card
* rendered from a zero, fractional, or non-finite line number would violate the
* 1-based numbering contract the read window promises.
*/
function isFileTextLine(value: unknown): value is FileTextLine {
if (typeof value !== 'object' || value === null || Array.isArray(value)) return false
const { number, text } = value as Record<string, unknown>
return typeof number === 'number' && Number.isInteger(number) && number >= 1 && typeof text === 'string'
}
/**
* Narrow opaque live or replayed result metadata to a structured read window.
* Malformed metadata returns `undefined` so presentation can fall back to the
* generic text card instead of throwing during replay. Beyond shape, the
* semantic contract of a read window is enforced against replayed JSON that is
* well-typed but out of range: `offset` must be a 1-based integer, `totalLines`
* must be a non-negative integer, each line number must be a 1-based integer no
* less than `offset`, the line numbers must strictly increase, and no line number
* may exceed `totalLines`. Any violation declines to the generic fallback rather
* than emitting a card that misnumbers or overcounts.
* @param meta - result metadata.
* @returns the validated read window, or `undefined` for absent, malformed, or semantically invalid data.
*/
export function readMetaFromMeta(meta: unknown): FsReadMeta | undefined {
if (typeof meta !== 'object' || meta === null || Array.isArray(meta)) return undefined
const { path, offset, lines, totalLines, lang } = meta as Record<string, unknown>
if (typeof path !== 'string' || typeof totalLines !== 'number' || typeof offset !== 'number') return undefined
if (!Number.isInteger(offset) || offset < 1) return undefined
if (!Number.isInteger(totalLines) || totalLines < 0) return undefined
if (!Array.isArray(lines) || !lines.every(isFileTextLine)) return undefined
if (lang !== undefined && typeof lang !== 'string') return undefined
let previous = offset - 1
for (const { number } of lines) {
if (number <= previous || number > totalLines) return undefined
previous = number
}
return { path, offset, lines, totalLines, ...lang === undefined ? {} : { lang } }
}

View File

@@ -6,11 +6,11 @@
import type { Context } from 'cordis'
import { defineTool } from '@deepseek-ai/dsh-tools'
import type { GenericCallView, GenericResultView, ToolResult } from '@deepseek-ai/dsh-tools'
import type { GenericCallView, ReadResultView, ToolResult } from '@deepseek-ai/dsh-tools'
import { FsError } from '@deepseek-ai/dsh-fs'
import type {} from '@deepseek-ai/dsh-fs'
import type {} from '@deepseek-ai/dsh-system-prompt'
import { buildWindow, formatReadOutput } from './read-render.ts'
import { buildWindow, formatReadOutput, langFromPath, readMetaFromMeta } from './read-render.ts'
import { sessionResolveOptions } from './session-cwd.ts'
/** Default and maximum number of lines returned by one `read` call (the `readLimit` config). */
@@ -118,6 +118,19 @@ export function applyReadTool(ctx: Context, caps: ReadToolCaps): void {
}),
}]
},
// Project the structured window into persisted `meta` so a UI's read card
// survives replay: the raw canonical output object is not on the wire, only
// the model-facing text, from which the line/lang data cannot be recovered.
presentationMeta: (_args, value) => {
const lang = langFromPath(value.path)
return {
path: value.path,
offset: value.offset,
lines: value.lines.map(({ number, text }) => ({ number, text })),
totalLines: value.totalLines,
...lang === undefined ? {} : { lang },
}
},
},
// Observation races fail closed because guarded mutations re-check the version in-lock.
isConcurrencySafe: () => true,
@@ -154,15 +167,32 @@ export function applyReadTool(ctx: Context, caps: ReadToolCaps): void {
ctx.emit('fs/observed', target, info.version, exec)
return outcome
},
presentResult(_args, result: ToolResult): GenericResultView | undefined {
// Result-time display: a `read` card carrying the structured line window a
// capable UI renders as a line-numbered, syntax-highlighted view. The
// structured data is narrowed from the persisted `meta` (replay-safe); the
// envelope-stripped model-facing text rides along as `content` so a UI without
// the read capability still shows the file text. A malformed or absent meta,
// or a result whose text is not the read envelope, declines to `undefined`
// (the generic fallback), never throwing on replay of obsolete logged output.
presentResult(_args, result: ToolResult): ReadResultView | undefined {
if (result.isError) return undefined
const meta = readMetaFromMeta(result.meta)
if (meta === undefined) return undefined
const only = result.content.length === 1 ? result.content[0] : undefined
const text = only?.type === 'text' ? only.text : undefined
if (text === undefined) return undefined
// Group 1 always captures (possibly empty) when the envelope matches.
const body = /^<path>[^\n]*<\/path>\n<type>file<\/type>\n<content>\n([\s\S]*)\n<\/content>$/u.exec(text)?.[1]
if (body === undefined) return undefined
return { card: 'generic', content: [{ type: 'text', text: body }] }
return {
card: 'read',
path: meta.path,
offset: meta.offset,
lines: meta.lines,
totalLines: meta.totalLines,
...meta.lang === undefined ? {} : { lang: meta.lang },
content: [{ type: 'text', text: body }],
}
},
// Pure display: a generic card titled by the file with the read window appended (`Read
// foo.txt (5 - 8)`), `read` kind (icon), and a follow-along location whose line is the

View File

@@ -6,7 +6,7 @@
*/
import { describe, expect, it } from 'vitest'
import { buildWindow, READ_MAX_BYTES, READ_MAX_LINE_LENGTH } from '../src/read-render.ts'
import { buildWindow, langFromPath, readMetaFromMeta, READ_MAX_BYTES, READ_MAX_LINE_LENGTH } from '../src/read-render.ts'
import type { ReadWindow } from '../src/read-render.ts'
const DEFAULT_CAPS = { maxLineLength: READ_MAX_LINE_LENGTH, maxBytes: READ_MAX_BYTES }
@@ -116,3 +116,103 @@ describe('buildWindow', () => {
})
})
})
describe('langFromPath', () => {
it('maps a known extension to its language hint, case-insensitively', () => {
expect(langFromPath('src/a.ts')).toBe('ts')
expect(langFromPath('src/a.TSX')).toBe('tsx')
expect(langFromPath('/abs/module.mjs')).toBe('js')
expect(langFromPath('conf.yml')).toBe('yaml')
expect(langFromPath('README.md')).toBe('md')
})
it('reads the extension after the last path segment and last dot', () => {
expect(langFromPath('a.py.bak')).toBeUndefined()
expect(langFromPath('archive.tar.gz')).toBeUndefined()
expect(langFromPath('/dir.py/plain')).toBeUndefined()
expect(langFromPath('C:\\src\\main.rs')).toBe('rs')
})
it('returns undefined for a dotfile, an extensionless name, and an unknown extension', () => {
expect(langFromPath('.gitignore')).toBeUndefined()
expect(langFromPath('/etc/hosts')).toBeUndefined()
expect(langFromPath('data.unknownext')).toBeUndefined()
expect(langFromPath('trailingdot.')).toBeUndefined()
})
it('returns undefined for a filename whose extension is an Object.prototype key', () => {
// Own-property lookup only: these must not resolve to the inherited member
// (a function/object), which would fail the tool-output JSON validation.
expect(langFromPath('foo.constructor')).toBeUndefined()
expect(langFromPath('foo.__proto__')).toBeUndefined()
expect(langFromPath('foo.toString')).toBeUndefined()
expect(langFromPath('foo.hasOwnProperty')).toBeUndefined()
})
})
describe('readMetaFromMeta', () => {
const good = { path: '/abs/a.ts', offset: 1, lines: [{ number: 1, text: 'x' }], totalLines: 1, lang: 'ts' }
it('narrows a well-formed read meta, with and without a lang hint', () => {
expect(readMetaFromMeta(good)).toEqual(good)
const noLang = { path: '/abs/a', offset: 1, lines: [], totalLines: 0 }
expect(readMetaFromMeta(noLang)).toEqual(noLang)
})
it('narrows an empty window at a positive offset (byte cap below the first selected line)', () => {
const empty = { path: '/abs/a', offset: 5, lines: [], totalLines: 9 }
expect(readMetaFromMeta(empty)).toEqual(empty)
})
it('returns undefined for absent, non-object, or array meta', () => {
expect(readMetaFromMeta(undefined)).toBeUndefined()
expect(readMetaFromMeta(null)).toBeUndefined()
expect(readMetaFromMeta('nope')).toBeUndefined()
expect(readMetaFromMeta([good])).toBeUndefined()
})
it('returns undefined when a field is missing or the wrong type (defensive narrowing)', () => {
expect(readMetaFromMeta({ ...good, path: 5 })).toBeUndefined()
expect(readMetaFromMeta({ ...good, offset: '1' })).toBeUndefined()
expect(readMetaFromMeta({ ...good, totalLines: '1' })).toBeUndefined()
expect(readMetaFromMeta({ ...good, lines: 'nope' })).toBeUndefined()
expect(readMetaFromMeta({ ...good, lines: [{ number: '1', text: 'x' }] })).toBeUndefined()
expect(readMetaFromMeta({ ...good, lines: [{ number: 1 }] })).toBeUndefined()
expect(readMetaFromMeta({ ...good, lines: [null] })).toBeUndefined()
expect(readMetaFromMeta({ ...good, lang: 5 })).toBeUndefined()
})
it('rejects an offset that is not a 1-based integer', () => {
expect(readMetaFromMeta({ ...good, offset: 0 })).toBeUndefined()
expect(readMetaFromMeta({ ...good, offset: 1.5 })).toBeUndefined()
expect(readMetaFromMeta({ ...good, offset: NaN })).toBeUndefined()
expect(readMetaFromMeta({ ...good, offset: Infinity })).toBeUndefined()
})
it('rejects a first line number below offset', () => {
expect(readMetaFromMeta({ ...good, offset: 2, lines: [{ number: 1, text: 'x' }], totalLines: 2 })).toBeUndefined()
})
it('rejects a line number that is not a 1-based integer', () => {
expect(readMetaFromMeta({ ...good, lines: [{ number: 0, text: 'x' }], totalLines: 1 })).toBeUndefined()
expect(readMetaFromMeta({ ...good, lines: [{ number: 1.5, text: 'x' }], totalLines: 2 })).toBeUndefined()
expect(readMetaFromMeta({ ...good, lines: [{ number: NaN, text: 'x' }], totalLines: 1 })).toBeUndefined()
expect(readMetaFromMeta({ ...good, lines: [{ number: Infinity, text: 'x' }], totalLines: 1 })).toBeUndefined()
})
it('rejects a totalLines that is not a non-negative integer', () => {
expect(readMetaFromMeta({ ...good, totalLines: -1 })).toBeUndefined()
expect(readMetaFromMeta({ ...good, totalLines: 1.5 })).toBeUndefined()
expect(readMetaFromMeta({ ...good, totalLines: NaN })).toBeUndefined()
})
it('rejects lines that do not strictly increase or exceed totalLines', () => {
const twoLines = { path: '/abs/a', offset: 1, lang: 'ts' }
// Duplicate line numbers.
expect(readMetaFromMeta({ ...twoLines, lines: [{ number: 1, text: 'a' }, { number: 1, text: 'b' }], totalLines: 2 })).toBeUndefined()
// Out-of-order line numbers.
expect(readMetaFromMeta({ ...twoLines, lines: [{ number: 2, text: 'b' }, { number: 1, text: 'a' }], totalLines: 2 })).toBeUndefined()
// A line number past totalLines.
expect(readMetaFromMeta({ ...twoLines, lines: [{ number: 3, text: 'c' }], totalLines: 2 })).toBeUndefined()
})
})

View File

@@ -320,6 +320,39 @@ describe('read tool', () => {
expect(text(result)).toContain('Output capped.')
})
it('attaches the structured window as presentation meta, and presentResult narrows it into a read card', async () => {
const { ctx, fs } = await setup()
fs.files.set('key:a.ts', 'const x = 1\nconst y = 2')
const result = await call(ctx, 'read', { file_path: 'a.ts' })
expect(result.isError).toBe(false)
if (result.isError) throw new Error('expected read success')
// The extension drives the lang hint; the window rides on persisted meta.
expect(result.meta).toEqual({
path: '/abs/a.ts',
offset: 1,
lines: [{ number: 1, text: 'const x = 1' }, { number: 2, text: 'const y = 2' }],
totalLines: 2,
lang: 'ts',
})
const view = ctx.tools.get('read')?.presentResult?.({ file_path: 'a.ts' }, result)
expect(view).toEqual({
card: 'read',
path: '/abs/a.ts',
offset: 1,
lines: [{ number: 1, text: 'const x = 1' }, { number: 2, text: 'const y = 2' }],
totalLines: 2,
lang: 'ts',
content: [{ type: 'text', text: '1: const x = 1\n2: const y = 2\n\n(End of file - total 2 lines)' }],
})
})
it('omits the lang hint in meta for an extension that maps to no language', async () => {
const { ctx, fs } = await setup()
fs.files.set('key:notes', 'plain')
const result = await call(ctx, 'read', { file_path: 'notes' })
if (result.isError) throw new Error('expected read success')
expect(result.meta).toEqual({ path: '/abs/notes', offset: 1, lines: [{ number: 1, text: 'plain' }], totalLines: 1 })
})
})
describe('formatReadOutput footer variants', () => {
@@ -450,33 +483,72 @@ describe('tool-owned presentation (pure presentCall)', () => {
})
})
it('read: completed presentation removes the model-facing XML envelope', async () => {
expect(await presentResult('read', { file_path: 'a.txt' }, {
content: [{ type: 'text', text: '<path>/tmp/a.txt</path>\n<type>file</type>\n<content>\n1: hello\n\n(End of file - total 1 lines)\n</content>' }],
it('read: completed presentation is a read card carrying the structured window with the envelope stripped', async () => {
// The structured line data rides on persisted meta (the raw output object is
// not on the wire); presentResult narrows it and appends the stripped text as
// the no-capability `content` fallback.
const meta = { path: '/tmp/a.ts', offset: 1, lines: [{ number: 1, text: 'hello' }], totalLines: 1, lang: 'ts' }
expect(await presentResult('read', { file_path: 'a.ts' }, {
content: [{ type: 'text', text: '<path>/tmp/a.ts</path>\n<type>file</type>\n<content>\n1: hello\n\n(End of file - total 1 lines)\n</content>' }],
isError: false,
meta,
})).toEqual({
card: 'generic',
card: 'read',
path: '/tmp/a.ts',
offset: 1,
lines: [{ number: 1, text: 'hello' }],
totalLines: 1,
lang: 'ts',
content: [{ type: 'text', text: '1: hello\n\n(End of file - total 1 lines)' }],
})
expect(await presentResult('read', { file_path: 'a.txt' }, {
// A window whose extension maps to no language omits `lang` from the card.
expect(await presentResult('read', { file_path: 'notes' }, {
content: [{ type: 'text', text: '<path>/tmp/notes</path>\n<type>file</type>\n<content>\nbody\n</content>' }],
isError: false,
meta: { path: '/tmp/notes', offset: 1, lines: [{ number: 1, text: 'body' }], totalLines: 1 },
})).toEqual({
card: 'read',
path: '/tmp/notes',
offset: 1,
lines: [{ number: 1, text: 'body' }],
totalLines: 1,
content: [{ type: 'text', text: 'body' }],
})
// Malformed envelope text with valid meta still declines (the fallback text is unavailable).
expect(await presentResult('read', { file_path: 'a.ts' }, {
content: [{ type: 'text', text: 'malformed replay' }],
isError: false,
meta,
})).toBeUndefined()
// Valid envelope but absent/malformed meta declines to the generic fallback.
expect(await presentResult('read', { file_path: 'a.ts' }, {
content: [{ type: 'text', text: '<path>/tmp/a.ts</path>\n<type>file</type>\n<content>\n1: hello\n</content>' }],
isError: false,
})).toBeUndefined()
expect(await presentResult('read', { file_path: 'a.ts' }, {
content: [{ type: 'text', text: '<path>/tmp/a.ts</path>\n<type>file</type>\n<content>\n1: hello\n</content>' }],
isError: false,
meta: { path: '/tmp/a.ts', lines: 'nope', totalLines: 1 },
})).toBeUndefined()
})
it('read: completed presentation declines errors and non-single-text content', async () => {
const envelope = '<path>/tmp/a.txt</path>\n<type>file</type>\n<content>\nbody\n</content>'
const meta = { path: '/tmp/a.txt', offset: 1, lines: [{ number: 1, text: 'body' }], totalLines: 1 }
expect(await presentResult('read', { file_path: 'a.txt' }, {
content: [{ type: 'text', text: envelope }],
isError: true,
meta,
})).toBeUndefined()
expect(await presentResult('read', { file_path: 'a.txt' }, {
content: [{ type: 'text', text: envelope }, { type: 'text', text: 'second' }],
isError: false,
meta,
})).toBeUndefined()
expect(await presentResult('read', { file_path: 'a.txt' }, {
content: [{ type: 'reasoning', text: envelope }],
isError: false,
meta,
})).toBeUndefined()
})

View File

@@ -2,5 +2,5 @@
# 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 packages/telemetry/session-telemetry-otel/README.md
README.md: 9b208e291e77bee50d9d4fd14808268dca75f2db
README.zh.md: 76de1bf1ad58a0239907f3b63c672177874c7966
README.md: ad4a97868c28dc3873c839490aa506271459e249
README.zh.md: f1ad73ddf66aacc30a9024a9290df2c44686efe9

View File

@@ -2,7 +2,7 @@
English | [中文](README.zh.md)
The OpenTelemetry backend for [the telemetry seam](../session-telemetry/) — the only entry a deployment loads. It composes the OTel JS SDK as-is (`LoggerProvider``BatchLogRecordProcessor` → OTLP/HTTP log exporter) and maps each record the seam hands over onto `logger.emit()`, under two instrumentation scopes: ledger records on `@deepseek-ai/dsh-session-telemetry-otel`, operational records on `@deepseek-ai/dsh-session-telemetry-otel/ops`. Resource identity (`service.name`/`service.version`) comes from `dsh-llm`'s `APP_IDENTITY`, the same source the attribution headers use.
The OpenTelemetry backend for [the telemetry seam](../session-telemetry/) — the only entry a deployment loads. It composes the OTel JS SDK as-is (`LoggerProvider``BatchLogRecordProcessor` → OTLP/HTTP log exporter) and maps each record the seam hands over onto `logger.emit()`, under two instrumentation scopes: ledger records on `@deepseek-ai/dsh-session-telemetry-otel`, operational records on `@deepseek-ai/dsh-session-telemetry-otel/ops`. Resource identity (`service.name`/`service.version`) comes from `dsh-llm`'s `APP_IDENTITY`, the same source the attribution headers use, plus `user.id` — the harness home's anonymous user id this package owns (`src/user-id.ts`: `$DSH_HOME/.userid`, a random UUID minted on first use; deleting the file resets the identity), carried once per export batch on the Resource rather than per record.
## Config

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@@ -2,7 +2,7 @@
[English](README.md) | 中文
[遥测telemetryseam](../session-telemetry/) 的 OpenTelemetry 后端,也是部署方唯一要加载的条目。它原样组合 OTel JS SDK`LoggerProvider``BatchLogRecordProcessor` → OTLP/HTTP 日志导出器),把 seam 交接过来的每条记录映射到 `logger.emit()`并使用两个插桩作用域instrumentation scopeledger 记录挂在 `@deepseek-ai/dsh-session-telemetry-otel` 下,运维记录挂在 `@deepseek-ai/dsh-session-telemetry-otel/ops` 下。资源身份(`service.name`/`service.version`)来自 `dsh-llm``APP_IDENTITY`,与归因标头同源。
[遥测telemetryseam](../session-telemetry/) 的 OpenTelemetry 后端,也是部署方唯一要加载的条目。它原样组合 OTel JS SDK`LoggerProvider``BatchLogRecordProcessor` → OTLP/HTTP 日志导出器),把 seam 交接过来的每条记录映射到 `logger.emit()`并使用两个插桩作用域instrumentation scopeledger 记录挂在 `@deepseek-ai/dsh-session-telemetry-otel` 下,运维记录挂在 `@deepseek-ai/dsh-session-telemetry-otel/ops` 下。资源身份(`service.name`/`service.version`)来自 `dsh-llm``APP_IDENTITY`,与归因标头同源;另有 `user.id`——本包自有的 harness home 匿名用户 id`src/user-id.ts``$DSH_HOME/.userid`,首用生成随机 UUID删除该文件即重置身份随 Resource 每批导出携带一次而非逐条携带
## 配置

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@@ -36,16 +36,20 @@
"schemastery": "^3.18.0"
},
"peerDependencies": {
"@deepseek-ai/dsh-brand": "^0.0.1",
"@deepseek-ai/dsh-invariants": "^0.0.1",
"@deepseek-ai/dsh-llm": "^0.0.1",
"@deepseek-ai/dsh-paths": "^0.0.1",
"@deepseek-ai/dsh-session": "^0.0.1",
"@deepseek-ai/dsh-session-telemetry": "^0.0.1",
"cordis": "^4.0.0-rc.7"
},
"devDependencies": {
"@cordisjs/plugin-loader": "workspace:^",
"@deepseek-ai/dsh-brand": "workspace:^",
"@deepseek-ai/dsh-invariants": "workspace:^",
"@deepseek-ai/dsh-llm": "workspace:^",
"@deepseek-ai/dsh-paths": "workspace:^",
"@deepseek-ai/dsh-session": "workspace:^",
"@deepseek-ai/dsh-session-telemetry": "workspace:^",
"cordis": "^4.0.0-rc.7"

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@@ -17,6 +17,7 @@ import z from 'schemastery'
import type { Context } from 'cordis'
import { Telemetry, TelemetryCoordinator, type TelemetryRecord, type TelemetrySeverity } from '@deepseek-ai/dsh-session-telemetry'
import { APP_IDENTITY } from '@deepseek-ai/dsh-llm'
import { getOrCreateAnonymousUserId } from './user-id.ts'
import {
BatchLogRecordProcessor,
LoggerProvider,
@@ -118,6 +119,10 @@ export class TelemetryOtel extends Telemetry {
resource: resourceFromAttributes({
'service.name': APP_IDENTITY.product,
'service.version': APP_IDENTITY.version,
// OTel semconv's standard user attribute, carried once per export
// batch on the Resource rather than per record: the collector
// aggregates by Resource, and the id is process-stable anyway.
'user.id': getOrCreateAnonymousUserId(),
}),
processors: [
new BatchLogRecordProcessor({

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@@ -0,0 +1,103 @@
/**
* Per-harness-home anonymous user id for the OTel Resource.
*
* The id is a random UUID persisted as a bare line in `.userid` inside the
* harness home resolved by {@link resolveDshHome} (`$DSH_HOME` > `~/.dsh`),
* and never derived from the hostname, network address, git remote, or any
* other identifying source — a derived id would make "anonymous" a fiction.
* The id is scoped to the harness home, not the machine: every process
* sharing one `$DSH_HOME` reports the same id, and deleting the file simply
* mints a fresh identity on the next launch (loss is accepted by design).
* This identity belongs to the OTel feed alone; the dsh-sdk launcher
* telemetry keeps its own separate store.
*
* Reads and writes are synchronous so the backend constructor can call this
* on its boot path, and the result is memoized per resolved file path: one
* process touches the disk once, and a file deleted mid-run keeps the
* process's id until the next launch.
*
* @module @deepseek-ai/dsh-session-telemetry-otel/user-id
*/
import { randomUUID } from 'node:crypto'
import { mkdirSync, readFileSync, writeFileSync } from 'node:fs'
import { dirname, join } from 'node:path'
import type { Branded } from '@deepseek-ai/dsh-brand'
import { resolveDshHome } from '@deepseek-ai/dsh-paths'
/** A harness-home-scoped anonymous user id (random UUID v4). */
export type AnonymousUserId = Branded<'AnonymousUserId'>
/** File inside the harness home storing the id: a bare UUID line, no wrapper format. */
export const USER_ID_FILE_NAME = '.userid'
const UUID_PATTERN = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i
/** Ambient seams for locating and generating the id; every field has a default. */
export interface AnonymousUserIdOptions {
/** Environment consulted for `DSH_HOME`; defaults to `process.env`. */
env?: NodeJS.ProcessEnv
/** UUID generator; defaults to `crypto.randomUUID` (test seam). */
randomUUID?: () => string
}
/** Process-lifetime memo keyed by resolved file path, so distinct test homes never share an id. */
const memo = new Map<string, AnonymousUserId>()
/** Read a valid persisted id from the file, or `undefined` when absent/corrupt. */
function readPersistedId(file: string): AnonymousUserId | undefined {
let text: string
try {
text = readFileSync(file, 'utf8')
} catch {
// Absent or unreadable: the caller mints and persists a fresh id.
return undefined
}
const value = text.trim()
return UUID_PATTERN.test(value) ? (value as AnonymousUserId) : undefined
}
/**
* Return the harness home's anonymous user id, creating and persisting one on
* first use. A concurrent first launch is settled by an exclusive-create
* write: the loser rereads the winner's id. (A reread landing in the winner's
* narrow create-to-write window can still yield two per-process ids for that
* run; the next launch converges on the persisted one.) Persistence is
* best-effort — a write failure (read-only home) still returns a usable id
* for the current run so telemetry is never blocked.
* @param options - home-location and UUID-generation seams.
* @returns the stable per-harness-home anonymous user id.
*/
export function getOrCreateAnonymousUserId(options: AnonymousUserIdOptions = {}): AnonymousUserId {
const file = join(resolveDshHome(undefined, options.env ?? process.env), USER_ID_FILE_NAME)
const cached = memo.get(file)
if (cached !== undefined) return cached
let id = readPersistedId(file)
if (id === undefined) {
const generate = options.randomUUID ?? randomUUID
const created = generate() as AnonymousUserId
try {
mkdirSync(dirname(file), { recursive: true })
writeFileSync(file, `${created}\n`, { encoding: 'utf8', flag: 'wx' })
id = created
} catch {
// A wx refusal (EEXIST) covers both a concurrent winner and a
// pre-existing corrupt file: the reread adopts a valid winner, and an
// invalid reread falls through to the overwrite path. Non-EEXIST
// failures (read-only home) land there too, accepted best-effort below.
id = readPersistedId(file)
if (id === undefined) {
try {
writeFileSync(file, `${created}\n`, 'utf8')
} catch {
// Best-effort persistence: keep the fresh id in memory even when the
// home is unwritable, so this run still reports a consistent id.
}
id = created
}
}
}
memo.set(file, id)
return id
}

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@@ -5,11 +5,15 @@
* for the default-exported Service class.
*/
import { afterEach, describe, expect, it } from 'vitest'
import { afterAll, afterEach, beforeAll, describe, expect, it } from 'vitest'
import { createServer, type Server } from 'node:http'
import { once } from 'node:events'
import { mkdtempSync, rmSync } from 'node:fs'
import { tmpdir } from 'node:os'
import { join } from 'node:path'
import { gunzipSync } from 'node:zlib'
import { Context } from 'cordis'
import { getOrCreateAnonymousUserId } from '../src/user-id.ts'
import Loader from '@cordisjs/plugin-loader'
import SessionStore, { SessionId } from '@deepseek-ai/dsh-session'
import TelemetryOtel, { Config } from '../src/index.ts'
@@ -37,6 +41,21 @@ interface OtlpLogsRequest {
const servers: Server[] = []
// The backend resolves the harness home's anonymous user id at construction;
// pin DSH_HOME to a temp dir so the suite never touches the ambient ~/.dsh.
let tempHome: string
let previousDshHome: string | undefined
beforeAll(() => {
tempHome = mkdtempSync(join(tmpdir(), 'dsh-otel-home-'))
previousDshHome = process.env.DSH_HOME
process.env.DSH_HOME = tempHome
})
afterAll(() => {
if (previousDshHome === undefined) delete process.env.DSH_HOME
else process.env.DSH_HOME = previousDshHome
rmSync(tempHome, { recursive: true, force: true })
})
afterEach(async () => {
for (const server of servers.splice(0)) {
server.close()
@@ -104,6 +123,7 @@ describe('TelemetryOtel wire', () => {
const resource = first.body.resourceLogs[0]!.resource.attributes
expect(resource).toContainEqual({ key: 'service.name', value: { stringValue: 'deepseek-harness' } })
expect(resource).toContainEqual({ key: 'user.id', value: { stringValue: getOrCreateAnonymousUserId() } })
const records = allRecords(captures)
const ledger = records.filter(r => r.scope === '@deepseek-ai/dsh-session-telemetry-otel')

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@@ -0,0 +1,107 @@
import { chmodSync, existsSync, mkdirSync, mkdtempSync, readFileSync, rmSync, writeFileSync } from 'node:fs'
import { tmpdir } from 'node:os'
import { join } from 'node:path'
import { afterEach, describe, expect, it } from 'vitest'
import {
USER_ID_FILE_NAME,
getOrCreateAnonymousUserId,
} from '../src/user-id.ts'
const dirs: string[] = []
function tempHome(): string {
const dir = mkdtempSync(join(tmpdir(), 'dsh-userid-'))
dirs.push(dir)
return dir
}
afterEach(() => {
for (const dir of dirs.splice(0)) {
chmodSync(dir, 0o700)
rmSync(dir, { recursive: true, force: true })
}
})
const UUID = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i
describe('getOrCreateAnonymousUserId', () => {
it('creates, persists, and returns a bare UUID line on first use', () => {
const home = tempHome()
const id = getOrCreateAnonymousUserId({ env: { DSH_HOME: home } })
expect(id).toMatch(UUID)
expect(readFileSync(join(home, USER_ID_FILE_NAME), 'utf8')).toBe(`${id}\n`)
})
it('creates the home directory when missing', () => {
const home = join(tempHome(), 'nested', 'home')
const id = getOrCreateAnonymousUserId({ env: { DSH_HOME: home } })
expect(readFileSync(join(home, USER_ID_FILE_NAME), 'utf8')).toBe(`${id}\n`)
})
it('returns the persisted id on subsequent calls, tolerating surrounding whitespace', () => {
const home = tempHome()
const existing = '01234567-89ab-4cde-8f01-23456789abcd'
writeFileSync(join(home, USER_ID_FILE_NAME), ` ${existing}\n\n`, 'utf8')
expect(getOrCreateAnonymousUserId({ env: { DSH_HOME: home } })).toBe(existing)
})
it('overwrites a corrupt file with a fresh id', () => {
const home = tempHome()
writeFileSync(join(home, USER_ID_FILE_NAME), 'not-a-uuid\n', 'utf8')
const id = getOrCreateAnonymousUserId({ env: { DSH_HOME: home } })
expect(id).toMatch(UUID)
expect(readFileSync(join(home, USER_ID_FILE_NAME), 'utf8')).toBe(`${id}\n`)
})
it('adopts a concurrent winner: exclusive create loses to an id written after the initial read', () => {
const home = tempHome()
const winner = 'aaaaaaaa-bbbb-4ccc-8ddd-eeeeeeeeeeee'
const file = join(home, USER_ID_FILE_NAME)
// The generator seam runs between the initial read (absent) and the wx
// write, so planting the winner here simulates the concurrent first launch.
const id = getOrCreateAnonymousUserId({
env: { DSH_HOME: home },
randomUUID: () => {
writeFileSync(file, `${winner}\n`, 'utf8')
return 'ffffffff-0000-4000-8000-000000000000'
},
})
expect(id).toBe(winner)
})
it('returns a usable id when the home is unwritable, without persisting', () => {
const home = tempHome()
const blocked = join(home, 'blocked')
mkdirSync(blocked)
chmodSync(blocked, 0o500)
const id = getOrCreateAnonymousUserId({ env: { DSH_HOME: blocked } })
expect(id).toMatch(UUID)
expect(existsSync(join(blocked, USER_ID_FILE_NAME))).toBe(false)
})
it('memoizes per resolved home for the process lifetime: one read, deletion-proof', () => {
const home = tempHome()
const first = getOrCreateAnonymousUserId({ env: { DSH_HOME: home } })
rmSync(join(home, USER_ID_FILE_NAME))
expect(getOrCreateAnonymousUserId({ env: { DSH_HOME: home } })).toBe(first)
})
it('keeps distinct homes on distinct ids', () => {
const a = getOrCreateAnonymousUserId({ env: { DSH_HOME: tempHome() } })
const b = getOrCreateAnonymousUserId({ env: { DSH_HOME: tempHome() } })
expect(a).not.toBe(b)
})
it('reads process.env by default', () => {
const home = tempHome()
const previous = process.env.DSH_HOME
process.env.DSH_HOME = home
try {
const id = getOrCreateAnonymousUserId()
expect(readFileSync(join(home, USER_ID_FILE_NAME), 'utf8')).toBe(`${id}\n`)
} finally {
if (previous === undefined) delete process.env.DSH_HOME
else process.env.DSH_HOME = previous
}
})
})

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@@ -26,6 +26,12 @@
{
"path": "../session-telemetry"
},
{
"path": "../../util/brand"
},
{
"path": "../../util/paths"
},
{
"path": "../../support/invariants"
}

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@@ -402,12 +402,15 @@ export class ToolCardComponent implements Component {
const glyph = this.result === undefined ? '○' : '●'
const rawBody = this.renderBody()
const view = this.resultView ?? this.callView
// A generic card's own content, or a web card's fallback to the raw result
// content (the `web` view carries no `content` copy), both render as one dim
// Markdown block below, so links/lists/headings keep the unified dim styling
// rather than reading as bare text. Terminal and diff cards own their body
// styling, so they are excluded (mirrors renderBody's post-terminal/diff fallback).
const markdownContent = view.card === 'generic'
// A generic card's own content, or a read card's `content` fallback (the
// envelope-stripped file text — the TUI has no dedicated read rendering, so a
// read renders exactly as before the read card existed), or a web card's
// fallback to the raw result content (the `web` view carries no `content`
// copy), all render as one dim Markdown block below, so links/lists/headings
// keep the unified dim styling rather than reading as bare text. Terminal and
// diff cards own their body styling, so they are excluded (mirrors
// renderBody's post-terminal/diff fallback).
const markdownContent = view.card === 'generic' || view.card === 'read'
? view.content ?? this.result?.content
: view.card === 'web'
// A web resultView is only assigned alongside this.result (the result
@@ -532,11 +535,12 @@ export class ToolCardComponent implements Component {
// rather than under the dim result-output color.
return { prelude: [...hunks, footer], lines: [] }
}
// The web card carries no `content` copy, so a `web` result view falls back
// to the raw result content here (`view.card === 'generic'` narrows the
// generic union arm; a `web` card takes the same fallback, mirroring the
// `markdownContent` selection in render()).
const content = (view.card === 'generic' ? view.content : undefined) ?? this.result?.content
// A generic or read card carries its own envelope-stripped `content`; a `web`
// card carries no `content` copy and falls back to the raw result content
// here. (Mirrors the `markdownContent` selection in render(); a read card has
// no dedicated TUI rendering, so its `content` takes the same body path,
// keeping read output as it was before the read card existed.)
const content = (view.card === 'generic' || view.card === 'read' ? view.content : undefined) ?? this.result?.content
const prelude: string[] = []
const lines: string[] = []
// The presenter title headlines the body now that the header is a fixed

6
pnpm-lock.yaml generated
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@@ -5218,12 +5218,18 @@ importers:
'@cordisjs/plugin-loader':
specifier: workspace:^
version: link:../../../vendor/loader
'@deepseek-ai/dsh-brand':
specifier: workspace:^
version: link:../../util/brand
'@deepseek-ai/dsh-invariants':
specifier: workspace:^
version: link:../../support/invariants
'@deepseek-ai/dsh-llm':
specifier: workspace:^
version: link:../../llm/llm
'@deepseek-ai/dsh-paths':
specifier: workspace:^
version: link:../../util/paths
'@deepseek-ai/dsh-session':
specifier: workspace:^
version: link:../../core/session

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@@ -27,6 +27,7 @@
"apps/web/tests/seeded-history.e2e.ts",
"apps/web/tests/sidebar-scrollbar.e2e.ts",
"apps/web/tests/code-mode-round.e2e.ts",
"apps/web/tests/composer-draft-scroll.e2e.ts",
"apps/web/tests/cordis-tool-round.e2e.ts",
"apps/web/tests/message-actions.e2e.ts",
"apps/web/tests/queue-actions.e2e.ts",