round 1: project the web transcript from append-origin events
Replace the surface-ordered fold with a log-ordered human transcript: append-origin surface events at their own log positions plus one marker per landed compaction checkpoint. Command folding, the tool-call index, and the rev-keyed memo carry over unchanged. Removes foldDegraded, the padding sentinels, baseSeq, and degradedSeqs() -- they existed only to satisfy the core fold's seq === index assertion. That also closes the pagination hole A1 exposed: a page can carry a checkpoint whose shadowed range fell outside the window, and nothing resolves surfaceOp.start anymore.
This commit is contained in:
Hypatia May
@@ -2,5 +2,5 @@
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# side as of the last confirmed-consistent state. Both languages carry equal authority;
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# after editing either side, bring the other along and re-record with:
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# pnpm run verify-translation-pairing --write packages/client/runtime/README.md
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README.md: 25eb60e2c95059ae918669c9f5169b6b8e9c6816
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README.zh.md: e3085f91750503aeaffda41d86c40c62943b4ba9
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README.md: 7bf8050ea988945bead491d02528906863b129a6
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README.zh.md: ff3c91dee956b2c65f0029c97c73d73f5a627b05
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@@ -16,9 +16,15 @@ SlotsService gives the renderer separate bare observables for `useSessions` and
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`WorkspacesService.connectWorkspace(workspaceId)` resolves the session a New Session flow lands in: it reuses the workspace's existing blank session from the list mirror (`blank && cwd == workspace.path`) or calls `session.create({workspaceId})`, returning the session id for the caller to open. `SessionSummary.blank` mirrors the host's derived empty-log bit and only ever lowers on the client: seeded by `session.list` / the `host/session-added` frame, flipped false by the first ACCEPTED local `prompt()` (on the RPC success response — acceptance proves the user message is in the host log; a rejected first prompt keeps the session blank and reusable) and by any `running: true` status frame, re-aligned by every list re-pull. List surfaces hide blank rows; the store carries every row. `SessionsService.create` accepts an optional caller-preallocated SessionId and throws `SessionCreateError` (carrying `requestedSessionId`) on failure.
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## The human transcript
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`ConversationSnapshot.nodes` is the human transcript, not the model surface. `TranscriptAdapter` projects the raw window in log order — every append-origin surface event (`isAppendSurfaceEvent`) at its own log position, plus one `CompactionSummaryNode` marker per landed compaction checkpoint — and never consults surface order. A landed compaction therefore keeps the conversation it shadowed on the model side: the marker reports where the model stopped seeing that history instead of erasing it. Model-only replacement copies stay out: a pruned `tool/result` and a regenerated `assistant/message` rewrite one node for the model and mark no boundary. A checkpoint is a `user/message` carrying the compaction seam's plugin source that **replaced** a surface range; an appending plugin-sourced `user/message` is injected context, not a compaction. That source literal is restated locally because `dsh-compact` is unreachable from this program in both directions (the client purity gate rejects a value import; a type-only import collides the host `Context.sessions` merge) — `tests/compact-checkpoint-pin.spec.ts` is the drift trap.
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Because the projection is log-ordered, the node array is seq-monotonic by construction: log-only `command/run` / `command/done` nodes splice in by seq, `Session` merges interrupted frozen nodes by their fractional seqs, and a window whose checkpoint cites a shadowed range outside it renders the marker with nothing logged. The marker's summary text comes from the checkpoint's `compact/summary` provenance; a window cut that left the provenance outside makes the row non-expandable rather than empty, and a later page that supplies it resolves the text. Performance contract: one append materializes one node, an event that changes no node keeps the previous array reference (a chunk storm costs nothing), and unchanged nodes keep their object identity.
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## Code Mode sub-dispatch index
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`ConversationSnapshot.codeDispatches` groups a `run_code` call's sub-dispatches under their parent callId, in start order, using the native call-block shapes: a `tool/code-dispatch-start` event lands the `RunningToolCall` form (rows derive the running ring from the shape) and its `tool/code-dispatch` settlement replaces it in place with the `ToolResultNode` form, `callTime` carrying the paired start's time. A settle whose start fell outside the replay window appends directly with `callTime: null` (duration unknown — never a fabricated zero). Live mux frames and history replay build the identical index; sub-calls never join the surface `nodes` flow; per-parent array and map references are memo-stable across unrelated snapshot swaps.
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`ConversationSnapshot.codeDispatches` groups a `run_code` call's sub-dispatches under their parent callId, in start order, using the native call-block shapes: a `tool/code-dispatch-start` event lands the `RunningToolCall` form (rows derive the running ring from the shape) and its `tool/code-dispatch` settlement replaces it in place with the `ToolResultNode` form, `callTime` carrying the paired start's time. A settle whose start fell outside the replay window appends directly with `callTime: null` (duration unknown — never a fabricated zero). Live mux frames and history replay build the identical index; sub-calls never join the transcript `nodes` flow; per-parent array and map references are memo-stable across unrelated snapshot swaps.
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## Session title projection
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@@ -16,9 +16,15 @@ SlotsService 分别为 renderer 提供 `useSessions` 与 `useWorkspaces` 的裸
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`WorkspacesService.connectWorkspace(workspaceId)` 解析 New Session 流程最终落入的会话：先在列表镜像中复用该 workspace 的既有空会话（`blank && cwd == workspace.path`），未命中则调用 `session.create({workspaceId})`，返回会话 id 由调用方 open。`SessionSummary.blank` 镜像主机派生的空日志位，在客户端只降不升：由 `session.list`／`host/session-added` 帧播种，本地首次**受理成功**的 `prompt()`（RPC 成功响应时——受理即证明用户消息已入主机日志；首讯被拒则会话保持 blank、保持可复用）与任何 `running: true` 状态帧翻为 false，每次列表重拉重新对齐。列表表面隐藏 blank 行；store 保留全部行。`SessionsService.create` 接受可选的、由调用方预先分配的 SessionId，失败时抛出 `SessionCreateError`（携带 `requestedSessionId`）。
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## 人类对话记录
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`ConversationSnapshot.nodes` 是人类对话记录，不是模型 surface。`TranscriptAdapter` 按日志顺序投影原始窗口——每个 append 来源的 surface 事件（`isAppendSurfaceEvent`）落在它自己的日志位置上，外加每次落地的压缩检查点贡献一个 `CompactionSummaryNode` 标记——且从不查询 surface 顺序。于是一次落地的压缩会保留它在模型侧遮蔽掉的对话：标记报告模型从哪里开始看不见那段历史，而不是把它抹掉。仅模型可见的 replacement 副本不进入记录：被裁剪的 `tool/result` 和重新生成的 `assistant/message` 只为模型重写一个节点，不标记任何边界。检查点是携带压缩缝隙插件来源、且**替换**了一段 surface 范围的 `user/message`；一条 append 的插件来源 `user/message` 是注入上下文，不是压缩。该来源字面量在本地重述，因为 `dsh-compact` 在两个方向上都无法从本程序到达（客户端纯度门禁拒绝值导入；仅类型导入会与 host 的 `Context.sessions` 合并冲突）——`tests/compact-checkpoint-pin.spec.ts` 是漂移陷阱。
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由于投影按日志顺序，节点数组天然按 seq 单调：仅日志的 `command/run` / `command/done` 节点按 seq 插入，`Session` 按分数 seq 归并被打断的冻结节点，而检查点所引范围落在窗口之外的窗口会渲染出标记且不打印任何日志。标记的摘要文本来自检查点的 `compact/summary` 溯源；窗口切分把溯源留在窗口外时该行不可展开而非空白，后续补上溯源的分页会解析出文本。性能契约：一次追加物化一个节点，不改变任何节点的事件保持上一次的数组引用（分片风暴零成本），未变化的节点保持其对象标识。
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## Code Mode 子调用索引
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`ConversationSnapshot.codeDispatches` 按父调用的 callId 和启动顺序，用原生调用块形状组织一个 `run_code` 调用的子调用：`tool/code-dispatch-start` 事件落成 `RunningToolCall` 形状（行组件从该形状推导运行中的转圈状态），其 `tool/code-dispatch` 完结事件原位替换为 `ToolResultNode` 形状，`callTime` 携带成对 start 事件的时间。start 落在回放窗口之外的完结事件则直接追加，`callTime: null`（耗时未知——绝不伪造零耗时）。live mux 帧与历史回放构建相同的索引；子调用永不进入 surface `nodes` 流；无关快照交换不会改变每个父调用对应的数组引用和映射引用，两者均保持 memo 稳定。
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`ConversationSnapshot.codeDispatches` 按父调用的 callId 和启动顺序，用原生调用块形状组织一个 `run_code` 调用的子调用：`tool/code-dispatch-start` 事件落成 `RunningToolCall` 形状（行组件从该形状推导运行中的转圈状态），其 `tool/code-dispatch` 完结事件原位替换为 `ToolResultNode` 形状，`callTime` 携带成对 start 事件的时间。start 落在回放窗口之外的完结事件则直接追加，`callTime: null`（耗时未知——绝不伪造零耗时）。live mux 帧与历史回放构建相同的索引；子调用永不进入对话记录 `nodes` 流；无关快照交换不会改变每个父调用对应的数组引用和映射引用，两者均保持 memo 稳定。
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## Session 标题投影
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@@ -48,6 +48,7 @@
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"cordis": "^4.0.0-rc.7"
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},
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"devDependencies": {
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"@deepseek-ai/dsh-compact": "workspace:^",
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"@deepseek-ai/dsh-invariants": "workspace:^",
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"@types/react": "~18.3.1",
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"cordis": "^4.0.0-rc.7"
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@@ -38,8 +38,8 @@ export type {
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EngineStoreHandle, EngineStoreInstance, ObservableSnapshot, SnapshotStore,
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} from './contract/store.ts'
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export type {
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AssistantBlock, AssistantMessageNode, CodeSubCall, CommandNode, ComposerPhase, ContextMessageNode, ConversationNode,
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ConversationSnapshot, QueuedMessage, RunningToolCall,
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AssistantBlock, AssistantMessageNode, CodeSubCall, CommandNode, CompactionSummaryNode, ComposerPhase,
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ContextMessageNode, ConversationNode, ConversationSnapshot, QueuedMessage, RunningToolCall,
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SteeringMessageNode, TodoItem, ToolResultNode, UnknownSurfaceNode, UserMessageNode,
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} from './sessions/conversation.ts'
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export { PendingWait } from './sessions/pending.ts'
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@@ -111,6 +111,24 @@ export interface ToolResultNode {
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resultView: ToolResultView | null
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}
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/**
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* One landed compaction, marked at the checkpoint's own log position. The
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* conversation it shadowed on the model surface stays in the transcript above
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* it: the marker reports where the model stopped seeing that history, it does
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* not replace it. The framed checkpoint payload is an instruction envelope
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* written for the model and never renders.
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*/
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export interface CompactionSummaryNode {
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kind: 'compaction'
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/** Seq of the replacement `user/message` that landed the checkpoint. */
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seq: number
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/** Unix epoch ms of the checkpoint event. */
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time: number
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/** Summary text from the checkpoint's `compact/summary` provenance; null when
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* the window cut left that provenance outside (the marker is then not expandable). */
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summary: string | null
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}
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/** Fallback for surface events this UI version does not know. */
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export interface UnknownSurfaceNode {
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kind: 'unknown'
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@@ -124,7 +142,7 @@ export interface UnknownSurfaceNode {
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/**
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* One slash-command lifecycle folded from the log-only `command/run` /
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* `command/done` pair (paired by commandId, mirroring tool call↔result).
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* Log-only events never enter the surface fold, so the FoldAdapter indexes
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* Log-only events are not surface events, so the TranscriptAdapter indexes
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* them separately and merges the nodes into the flow by seq. A window cut
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* between the pair soft-falls like tool pairs: a done with no in-window run
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* still builds a node (name/args null), and a run with no done renders as
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@@ -154,6 +172,7 @@ export type ConversationNode =
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| ContextMessageNode
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| ToolResultNode
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| CommandNode
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| CompactionSummaryNode
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| UnknownSurfaceNode
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/**
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@@ -163,7 +182,7 @@ export type ConversationNode =
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* {@link RunningToolCall} (rows derive the running state from the shape,
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* exactly as for native calls) and its `tool/code-dispatch` settlement
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* replaces it in place with the {@link ToolResultNode} form. Never part of
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* the surface `nodes` flow — sub-calls live under their parent via
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* the transcript `nodes` flow — sub-calls live under their parent via
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* {@link ConversationSnapshot.codeDispatches}. `callId` is the deterministic
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* sub-call id (`<parent>:code:<n>`); the call side carries the sub-tool name
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* and its JSON-stringified logged arguments; `content`/`isError` are the
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@@ -232,10 +251,8 @@ export interface PromptError {
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/** The immutable snapshot contract Session hands to uSES (see the web client architecture RFC). */
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export interface ConversationSnapshot {
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sessionId: SessionId
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/** Surface fold product (finalized conversation nodes in surface order). */
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/** Human transcript (finalized conversation nodes in log order). */
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nodes: readonly ConversationNode[]
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/** Fold degradation flag (cross-window replace defense): when true, nodes come from the lenient linear scan. */
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foldDegraded: boolean
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partial: PartialAssistant | null
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runningCalls: readonly RunningToolCall[]
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/**
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@@ -1,275 +0,0 @@
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// FoldAdapter: core SurfaceManager wiring + node materialization cache.
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// Padding sentinels solve the paged-window seq offset (core fold asserts seq === index);
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// a cross-window replace throw degrades to a lenient linear scan (foldDegraded —
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// the degradation lives in one branch function in this file, zero scattered removal points).
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import type { SessionEvent } from '@deepseek-ai/dsh-session/types'
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// Subpath export (package.json exports "./surface", alias added for this): all value imports
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// go through it — the package root points at lib/index.js (needs a build) which the vite
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// browser bundle cannot resolve; surface.ts has no Node dependencies.
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import { SurfaceManager, isSurfaceEligibleType } from '@deepseek-ai/dsh-session/surface'
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import type { CommandId } from '@deepseek-ai/dsh-commands/brand'
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import type { ToolCallView, ToolEventView, ToolResultView } from '@deepseek-ai/dsh-client-connection/client'
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import type { CommandNode, ConversationNode } from './conversation.ts'
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import { toAssistantBlocks } from './conversation.ts'
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/** In-window tool/call index entry (result-card backfill + runningCalls material). */
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export interface CallIndexEntry {
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name: string
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argsRaw: string
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turn: number
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step: number
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/** Unix epoch ms of the tool/call event. */
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time: number
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/** Wire view riding the tool/call (envelope-level; never inside the event). */
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callView: ToolCallView | null
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}
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/** Non-surface sentinel used to preserve paged-window sequence offsets.
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* `noop/padding` is deliberately not a real event type, so it cannot acquire
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* surface behavior; this cast is the only synthetic event entry point.
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*/
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function paddingEvent(seq: number): SessionEvent {
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return { type: 'noop/padding', seq, time: 0, data: {} } as unknown as SessionEvent
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}
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/** One event -> UI node (pure function; the six-variant ConversationNode union). */
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function materializeNode(
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event: SessionEvent,
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callIndex: ReadonlyMap<string, CallIndexEntry>,
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resultView: ToolResultView | null,
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): ConversationNode {
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switch (event.type) {
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case 'user/message':
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// Injected context (plugin/goal source) folds to a context node, not a
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// user message; only a direct human prompt is a user node.
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if (event.data.source.kind !== 'user') {
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return {
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kind: 'context', seq: event.seq, time: event.time,
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content: event.data.content, source: event.data.source,
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}
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}
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return {
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kind: 'user', seq: event.seq, time: event.time,
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content: event.data.content, source: event.data.source,
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}
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case 'assistant/message':
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return {
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kind: 'assistant', seq: event.seq, time: event.time,
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turn: event.data.turn, step: event.data.step,
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blocks: toAssistantBlocks(event.data.message.content), usage: event.data.usage,
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}
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case 'steering/message':
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return {
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kind: 'steering', seq: event.seq, time: event.time, turn: event.data.turn,
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content: event.data.message.content, source: event.data.message.source,
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}
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case 'tool/result': {
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const result = event.data.message.content[0]
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const callId = String(event.data.message.source.callId)
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const call = callIndex.get(callId)
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return {
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kind: 'tool-result', seq: event.seq, time: event.time,
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callId,
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call: call ? { name: call.name, argsRaw: call.argsRaw } : null,
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callTime: call?.time ?? null,
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content: result.content, isError: result.isError === true,
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...(event.data.error !== undefined ? { error: event.data.error } : {}),
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meta: event.data.meta,
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callView: call?.callView ?? null,
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resultView,
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}
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}
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/* v8 ignore next 2 -- defensive arm: fold output only carries the four
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surface-eligible types, and each has a case above; reachable only if core
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adds an eligible type. */
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default:
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return {
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kind: 'unknown', seq: event.seq, time: event.time,
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type: event.type, data: (event as { data?: unknown }).data,
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}
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}
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}
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/** Window fold over the core SurfaceManager (sentinel padding for the seq offset; degrades to a linear scan on cross-window replace). */
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export class FoldAdapter {
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/** padded = [sentinel x baseSeq, ...window events]; SurfaceManager borrows this reference for lazy incremental folding. */
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private padded: SessionEvent[] = []
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private baseSeq = 0
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private surface = new SurfaceManager(this.padded)
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private nodeCache = new Map<number, ConversationNode>()
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private degraded = false
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private callIdx = new Map<string, CallIndexEntry>()
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/** Wire result views keyed by the tool/result event's seq (views ride the envelope, not the event). */
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private resultViews = new Map<number, ToolResultView>()
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/**
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* Command lifecycle nodes by commandId (insertion = run order). The
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* `command/run`/`command/done` pair is log-only, so the surface fold never
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* emits it; this index folds the pair (done settles its run's node in
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* place) and nodes() merges the products into the flow by seq. Window cuts
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* soft-fall like tool pairs: a done with no in-window run still builds a
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* node.
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*/
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private commandIdx = new Map<string, CommandNode>()
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/** Window revision (bumped on reset/append) keying the nodes() result cache: an unchanged
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* window returns the previous ARRAY reference, not just cached elements — the snapshot's
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* reference-stability contract (§A.9.4) starts here. */
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private rev = 0
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private nodesResult: { rev: number; value: { nodes: ConversationNode[]; degraded: boolean } } | null = null
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/** In-window tool/call index (Session uses it for runningCalls and result-card backfill). */
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get callIndex(): ReadonlyMap<string, CallIndexEntry> {
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return this.callIdx
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}
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/**
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* Window rebuild (after open/resync/page prepend): new padded array, new
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* SurfaceManager, cleared cache, rebuilt callIndex.
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* @param events - the new window contents (seq-ascending).
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* @param baseSeq - seq of the window head (sentinels pad below it).
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* @param views - per-event wire views aligned with `events` by index (undefined slots for view-less events).
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*/
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reset(events: readonly SessionEvent[], baseSeq: number, views?: readonly (ToolEventView | undefined)[]): void {
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this.rev++
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this.baseSeq = baseSeq
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this.padded = []
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for (let i = 0; i < baseSeq; i++) this.padded.push(paddingEvent(i))
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for (const event of events) this.padded.push(event)
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this.surface = new SurfaceManager(this.padded)
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this.nodeCache.clear()
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this.degraded = false
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this.callIdx = new Map()
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this.resultViews.clear()
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this.commandIdx = new Map()
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for (let i = 0; i < events.length; i++) {
|
||||
const event = events[i]
|
||||
/* v8 ignore next -- dense-array guard: i stays within events.length, so the undefined arm needs a sparse array no caller builds. */
|
||||
if (event !== undefined) {
|
||||
this.indexCall(event, views?.[i])
|
||||
this.indexCommand(event)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Tail append (live session/event): push into the same array (incremental
|
||||
* lazy fold applies) + incremental callIndex upkeep.
|
||||
* @param event - the live event (seq = window tail + 1).
|
||||
* @param view - host-computed tool view paired with the event when it is a tool call/result; indexed for card rendering.
|
||||
*/
|
||||
append(event: SessionEvent, view?: ToolEventView): void {
|
||||
this.rev++
|
||||
this.padded.push(event)
|
||||
this.indexCall(event, view)
|
||||
this.indexCommand(event)
|
||||
}
|
||||
|
||||
/**
|
||||
* Current node array + degradation flag. Same revision -> same array
|
||||
* reference (memo boundary); node object references always come from the per-seq cache.
|
||||
* @returns the fold projection for the current window revision.
|
||||
*/
|
||||
nodes(): { nodes: ConversationNode[]; degraded: boolean } {
|
||||
if (this.nodesResult !== null && this.nodesResult.rev === this.rev) return this.nodesResult.value
|
||||
let seqs: readonly number[]
|
||||
if (this.degraded) {
|
||||
seqs = this.degradedSeqs()
|
||||
} else {
|
||||
try {
|
||||
seqs = this.surface.nodes
|
||||
} catch (error) {
|
||||
console.error('[web-runtime] surface fold failed, degrading to linear scan:', error)
|
||||
this.degraded = true
|
||||
seqs = this.degradedSeqs()
|
||||
}
|
||||
}
|
||||
const out: ConversationNode[] = []
|
||||
for (const seq of seqs) {
|
||||
const cached = this.nodeCache.get(seq)
|
||||
if (cached !== undefined) {
|
||||
out.push(cached)
|
||||
continue
|
||||
}
|
||||
const event = this.padded[seq]
|
||||
/* v8 ignore next -- sparse guard: both seq sources (surface fold and degradedSeqs) only emit indexes present in padded. */
|
||||
if (event === undefined) continue
|
||||
const node = materializeNode(event, this.callIdx, this.resultViews.get(seq) ?? null)
|
||||
this.nodeCache.set(seq, node)
|
||||
out.push(node)
|
||||
}
|
||||
// Command nodes fold outside the surface (log-only events); merge by seq.
|
||||
// Both inputs are seq-ascending (surface order and run-index insertion
|
||||
// order share the log order), so one linear merge keeps flow order.
|
||||
let nodes = out
|
||||
if (this.commandIdx.size > 0) {
|
||||
nodes = []
|
||||
const commands = [...this.commandIdx.values()]
|
||||
let next = 0
|
||||
for (const node of out) {
|
||||
for (let cmd = commands[next]; cmd !== undefined && cmd.seq < node.seq; cmd = commands[++next]) {
|
||||
nodes.push(cmd)
|
||||
}
|
||||
nodes.push(node)
|
||||
}
|
||||
for (let cmd = commands[next]; cmd !== undefined; cmd = commands[++next]) nodes.push(cmd)
|
||||
}
|
||||
const value = { nodes, degraded: this.degraded }
|
||||
this.nodesResult = { rev: this.rev, value }
|
||||
return value
|
||||
}
|
||||
|
||||
/** Degradation branch: lenient linear scan ignoring surfaceOp/replace (all surface-eligible events in append order). */
|
||||
private degradedSeqs(): number[] {
|
||||
const seqs: number[] = []
|
||||
for (let i = this.baseSeq; i < this.padded.length; i++) {
|
||||
const event = this.padded[i]
|
||||
if (event !== undefined && isSurfaceEligibleType(event.type)) seqs.push(event.seq)
|
||||
}
|
||||
return seqs
|
||||
}
|
||||
|
||||
/** Fold one command lifecycle event into its node (run mints, done settles in place; done-only soft-falls). */
|
||||
private indexCommand(event: SessionEvent): void {
|
||||
// Log-only plugin events: the host-side dsh-commands declaration cannot
|
||||
// enter the client program, so this wire consumer narrows structurally
|
||||
// (the same posture as tool/code-dispatch in session.ts).
|
||||
if ((event.type as string) === 'command/run') {
|
||||
const data = event.data as unknown as { commandId: CommandId; name: string; args: string }
|
||||
this.commandIdx.set(data.commandId, {
|
||||
kind: 'command', seq: event.seq, time: event.time,
|
||||
commandId: data.commandId, name: data.name, args: data.args, outcome: null,
|
||||
})
|
||||
return
|
||||
}
|
||||
if ((event.type as string) !== 'command/done') return
|
||||
const data = event.data as unknown as { commandId: CommandId; kind: 'success' | 'error'; text?: string }
|
||||
const run = this.commandIdx.get(data.commandId)
|
||||
const outcome = { kind: data.kind, ...data.text === undefined ? {} : { text: data.text } }
|
||||
if (run === undefined) {
|
||||
// Cross-window cut: the run page fell out of the window — build the
|
||||
// node from the done alone (same soft-fall as a call-less tool result).
|
||||
this.commandIdx.set(data.commandId, {
|
||||
kind: 'command', seq: event.seq, time: event.time,
|
||||
commandId: data.commandId, name: null, args: null, outcome,
|
||||
})
|
||||
return
|
||||
}
|
||||
// Settle in place: a fresh node object (published references stay immutable).
|
||||
this.commandIdx.set(data.commandId, { ...run, outcome })
|
||||
}
|
||||
|
||||
private indexCall(event: SessionEvent, view?: ToolEventView): void {
|
||||
if (event.type === 'tool/result') {
|
||||
if (view?.for === 'result') this.resultViews.set(event.seq, view.view)
|
||||
return
|
||||
}
|
||||
if (event.type !== 'tool/call') return
|
||||
this.callIdx.set(String(event.data.callId), {
|
||||
name: event.data.name, argsRaw: event.data.arguments, turn: event.data.turn, step: event.data.step,
|
||||
time: event.time,
|
||||
callView: view?.for === 'call' ? view.view : null,
|
||||
})
|
||||
// No backfill into already-materialized tool-result nodes for this callId
|
||||
// (window order puts the call before its result; cannot happen on the normal path).
|
||||
}
|
||||
}
|
||||
@@ -17,7 +17,7 @@ import type {
|
||||
} from './conversation.ts'
|
||||
import type { PendingInteraction } from './pending.ts'
|
||||
import { PendingWait } from './pending.ts'
|
||||
import { FoldAdapter } from './fold-adapter.ts'
|
||||
import { TranscriptAdapter } from './transcript-adapter.ts'
|
||||
import { Notifier } from './notifier.ts'
|
||||
import { PartialAccumulator } from './partial.ts'
|
||||
import { ProjectionValueStore } from './projection-store.ts'
|
||||
@@ -87,11 +87,13 @@ export class Session implements SessionFace {
|
||||
* passes drop all writes once the generation moves on. */
|
||||
private openGeneration = 0
|
||||
private loadingOlder = false
|
||||
private readonly foldAdapter = new FoldAdapter()
|
||||
private readonly transcript = new TranscriptAdapter()
|
||||
private partial: PartialAccumulator | null = null
|
||||
private openCalls = new Map<string, RunningToolCall>()
|
||||
/** Interrupted-turn terminal nodes (frozen partial text / aborted tool cards), merged into the flow by seq.
|
||||
* Derived from window events (turn/end sweep) — rebuilt by rebuildDerivedFromWindow like partial/openCalls. */
|
||||
* Derived from window events (turn/end sweep) — rebuilt by rebuildDerivedFromWindow like partial/openCalls.
|
||||
* Owned here rather than by the adapter: these nodes come from the turn/end sweep this class already
|
||||
* runs over the window, and the transcript array is seq-monotonic, so a plain seq merge is correct. */
|
||||
private frozenNodes: ConversationNode[] = []
|
||||
private pending = new Map<string, PendingInteraction>()
|
||||
// Revision counters preserve array identity when derived content is unchanged, so
|
||||
@@ -108,7 +110,7 @@ export class Session implements SessionFace {
|
||||
private queueRev = 0
|
||||
private queueCache: { rev: number; value: QueuedMessage[] } | null = null
|
||||
private frozenRev = 0
|
||||
private nodesCache: { folded: readonly ConversationNode[]; frozenRev: number; value: readonly ConversationNode[] } | null = null
|
||||
private nodesCache: { projected: readonly ConversationNode[]; frozenRev: number; value: readonly ConversationNode[] } | null = null
|
||||
/** `run_code` sub-dispatches by parent callId (window-derived, like openCalls). Appends
|
||||
* copy-on-write the per-parent array so published snapshot references never mutate. */
|
||||
private codeDispatches = new Map<string, readonly CodeSubCall[]>()
|
||||
@@ -306,7 +308,7 @@ export class Session implements SessionFace {
|
||||
/* v8 ignore next -- the ?? arm needs older[0] undefined, but the empty-page branch above already returned. */
|
||||
this.baseSeq = older[0]?.event.seq ?? this.baseSeq
|
||||
this.hasMore = result.value.hasMore
|
||||
this.foldAdapter.reset(this.events, this.baseSeq, this.views) // prepend forces a rebuild (sentinel count changed)
|
||||
this.transcript.reset(this.events, this.views) // prepend forces a rebuild (the window grew at the head)
|
||||
this.rebuildDerivedFromWindow()
|
||||
} catch (error) {
|
||||
console.error('[web-runtime] loadOlder failed:', error)
|
||||
@@ -553,7 +555,7 @@ export class Session implements SessionFace {
|
||||
this.views = entries.map(e => e.view)
|
||||
this.baseSeq = this.events[0]?.seq ?? 0
|
||||
this.hasMore = hasMore
|
||||
this.foldAdapter.reset(this.events, this.baseSeq, this.views)
|
||||
this.transcript.reset(this.events, this.views)
|
||||
this.rebuildDerivedFromWindow()
|
||||
if (projections !== undefined) this.projections.seed(projections)
|
||||
const buffered = this.liveBuffer
|
||||
@@ -568,14 +570,15 @@ export class Session implements SessionFace {
|
||||
if (tailSeq !== null && event.seq <= tailSeq) return // replay overlap, drop
|
||||
this.events.push(event)
|
||||
this.views.push(view)
|
||||
this.foldAdapter.append(event, view)
|
||||
this.transcript.append(event, view)
|
||||
this.applyEventSideEffects(event, view)
|
||||
}
|
||||
|
||||
/** Land a live session/event (open/repair in flight -> buffer; overlapping seq -> drop;
|
||||
* a seq gap -> buffer + tail-page repull instead of appending a hole (audit S3: a gap is an
|
||||
* expected reconnect-window artifact, repaired by refetch — never fed to the fold to trip
|
||||
* its continuity assertion into the degraded view). */
|
||||
* expected reconnect-window artifact, repaired by refetch). The window stays one contiguous
|
||||
* raw range, which is what lets the transcript render every event between its ends and lets a
|
||||
* compaction checkpoint find its own provenance. */
|
||||
private acceptLiveEvent(event: SessionEvent, view?: ToolEventView): void {
|
||||
if (this.openState === 'loading' || this.stitching) {
|
||||
this.liveBuffer.push({ event, view })
|
||||
@@ -790,18 +793,19 @@ export class Session implements SessionFace {
|
||||
}
|
||||
|
||||
private buildSnapshot(): ConversationSnapshot {
|
||||
const { nodes: folded, degraded } = this.foldAdapter.nodes()
|
||||
const projected = this.transcript.nodes()
|
||||
// Frozen interrupted nodes ride fractional seqs: a stable merge keeps them in flow order.
|
||||
// The merged array is cached on (folded reference, frozenRev) so an unchanged flow keeps its
|
||||
// reference across snapshot swaps (§A.9.4).
|
||||
// The transcript is seq-monotonic (log order), so sorting the union by seq is exactly the
|
||||
// flow order. The merged array is cached on (projected reference, frozenRev) so an unchanged
|
||||
// flow keeps its reference across snapshot swaps (§A.9.4).
|
||||
let nodes: readonly ConversationNode[]
|
||||
if (this.nodesCache !== null && this.nodesCache.folded === folded && this.nodesCache.frozenRev === this.frozenRev) {
|
||||
if (this.nodesCache !== null && this.nodesCache.projected === projected && this.nodesCache.frozenRev === this.frozenRev) {
|
||||
nodes = this.nodesCache.value
|
||||
} else {
|
||||
nodes = this.frozenNodes.length === 0
|
||||
? folded
|
||||
: [...folded, ...this.frozenNodes].sort((a, b) => a.seq - b.seq)
|
||||
this.nodesCache = { folded, frozenRev: this.frozenRev, value: nodes }
|
||||
? projected
|
||||
: [...projected, ...this.frozenNodes].sort((a, b) => a.seq - b.seq)
|
||||
this.nodesCache = { projected, frozenRev: this.frozenRev, value: nodes }
|
||||
}
|
||||
if (this.callsCache === null || this.callsCache.rev !== this.callsRev) {
|
||||
this.callsCache = { rev: this.callsRev, value: [...this.openCalls.values()] }
|
||||
@@ -819,7 +823,6 @@ export class Session implements SessionFace {
|
||||
return {
|
||||
sessionId: this.sessionId,
|
||||
nodes,
|
||||
foldDegraded: degraded,
|
||||
partial,
|
||||
runningCalls: this.callsCache.value,
|
||||
pending: this.pendingCache.value,
|
||||
|
||||
@@ -0,0 +1,325 @@
|
||||
// TranscriptAdapter: the human transcript projected from the raw event window
|
||||
// in LOG order. The model-visible surface deliberately shadows replaced ranges,
|
||||
// so it is the wrong source for conversation a reader already saw; this adapter
|
||||
// keeps every append-origin event at its own log position and contributes one
|
||||
// marker node per landed compaction checkpoint. Node order is therefore
|
||||
// seq-monotonic by construction — no surface fold, no padding sentinels, no
|
||||
// seq === index assertion to satisfy, and no degradation branch.
|
||||
|
||||
import type { SessionEvent } from '@deepseek-ai/dsh-session/types'
|
||||
// Subpath export (package.json exports "./surface", alias added for this): all value imports
|
||||
// go through it — the package root points at lib/index.js (needs a build) which the vite
|
||||
// browser bundle cannot resolve; surface.ts has no Node dependencies.
|
||||
import { isAppendSurfaceEvent, isReplacementSurfaceEvent } from '@deepseek-ai/dsh-session/surface'
|
||||
import type { CommandId } from '@deepseek-ai/dsh-commands/brand'
|
||||
import type { ToolCallView, ToolEventView, ToolResultView } from '@deepseek-ai/dsh-client-connection/client'
|
||||
import type { CommandNode, CompactionSummaryNode, ConversationNode } from './conversation.ts'
|
||||
import { toAssistantBlocks } from './conversation.ts'
|
||||
|
||||
/**
|
||||
* The compaction seam's checkpoint plugin, restated locally.
|
||||
*
|
||||
* `dsh-compact` cannot be reached from this program in any form. A VALUE import
|
||||
* fails the client purity gate (`packages/client/tsdown.client.ts`) and would
|
||||
* pull the cordis `Service` base into the browser bundle; a TYPE-ONLY import of
|
||||
* its `COMPACT_CHECKPOINT_SOURCE` fails typecheck, because `dsh-compact`'s root
|
||||
* reaches `dsh-session`'s root, whose `Context` merge declares the HOST
|
||||
* `sessions: SessionStore` against this program's `sessions: ISessions`
|
||||
* (`TS2717` — the one-program-per-side rule in docs/development.md). The
|
||||
* literal is pinned to the canonical const by
|
||||
* `tests/compact-checkpoint-pin.spec.ts`, which runs in the client TEST program
|
||||
* where that collision does not apply.
|
||||
*/
|
||||
const COMPACT_PLUGIN = 'compact'
|
||||
|
||||
/** In-window tool/call index entry (result-card backfill + runningCalls material). */
|
||||
export interface CallIndexEntry {
|
||||
name: string
|
||||
argsRaw: string
|
||||
turn: number
|
||||
step: number
|
||||
/** Unix epoch ms of the tool/call event. */
|
||||
time: number
|
||||
/** Wire view riding the tool/call (envelope-level; never inside the event). */
|
||||
callView: ToolCallView | null
|
||||
}
|
||||
|
||||
/** One event -> UI node (pure function; the eight-variant ConversationNode union). */
|
||||
function materializeNode(
|
||||
event: SessionEvent,
|
||||
callIndex: ReadonlyMap<string, CallIndexEntry>,
|
||||
resultView: ToolResultView | null,
|
||||
): ConversationNode {
|
||||
switch (event.type) {
|
||||
case 'user/message':
|
||||
// Injected context (plugin/goal source) folds to a context node, not a
|
||||
// user message; only a direct human prompt is a user node. A compaction
|
||||
// checkpoint never reaches here (isCompactCheckpoint routes it away).
|
||||
if (event.data.source.kind !== 'user') {
|
||||
return {
|
||||
kind: 'context', seq: event.seq, time: event.time,
|
||||
content: event.data.content, source: event.data.source,
|
||||
}
|
||||
}
|
||||
return {
|
||||
kind: 'user', seq: event.seq, time: event.time,
|
||||
content: event.data.content, source: event.data.source,
|
||||
}
|
||||
case 'assistant/message':
|
||||
return {
|
||||
kind: 'assistant', seq: event.seq, time: event.time,
|
||||
turn: event.data.turn, step: event.data.step,
|
||||
blocks: toAssistantBlocks(event.data.message.content), usage: event.data.usage,
|
||||
}
|
||||
case 'steering/message':
|
||||
return {
|
||||
kind: 'steering', seq: event.seq, time: event.time, turn: event.data.turn,
|
||||
content: event.data.message.content, source: event.data.message.source,
|
||||
}
|
||||
case 'tool/result': {
|
||||
const result = event.data.message.content[0]
|
||||
const callId = String(event.data.message.source.callId)
|
||||
const call = callIndex.get(callId)
|
||||
return {
|
||||
kind: 'tool-result', seq: event.seq, time: event.time,
|
||||
callId,
|
||||
call: call ? { name: call.name, argsRaw: call.argsRaw } : null,
|
||||
callTime: call?.time ?? null,
|
||||
content: result.content, isError: result.isError === true,
|
||||
...(event.data.error !== undefined ? { error: event.data.error } : {}),
|
||||
meta: event.data.meta,
|
||||
callView: call?.callView ?? null,
|
||||
resultView,
|
||||
}
|
||||
}
|
||||
/* v8 ignore next 2 -- defensive arm: only the four surface-eligible types
|
||||
can be append-origin, and each has a case above; reachable only if core
|
||||
adds an eligible type. */
|
||||
default:
|
||||
return {
|
||||
kind: 'unknown', seq: event.seq, time: event.time,
|
||||
type: event.type, data: (event as { data?: unknown }).data,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Whether an event is a landed compaction checkpoint — all three conditions,
|
||||
* matching the terminal's `isCompactCheckpoint`: a `user/message`, carrying the
|
||||
* compaction seam's checkpoint plugin source, that REPLACED a surface range. A
|
||||
* plugin-sourced `user/message` that appends is injected context (a
|
||||
* session-reference card), not a compaction; a replacement `tool/result` is an
|
||||
* in-place prune and a replacement `assistant/message` a generic rewrite, and
|
||||
* both mark no boundary in the conversation.
|
||||
* @param event - the raw window event.
|
||||
* @returns true when the event compacted a surface range.
|
||||
*/
|
||||
function isCompactCheckpoint(event: SessionEvent): boolean {
|
||||
if (event.type !== 'user/message') return false
|
||||
const source = event.data.source
|
||||
return source.kind === 'plugin' && source.plugin === COMPACT_PLUGIN
|
||||
&& isReplacementSurfaceEvent(event)
|
||||
}
|
||||
|
||||
/** Whether an event contributes a node to the human transcript. */
|
||||
function isTranscriptEvent(event: SessionEvent): boolean {
|
||||
return isAppendSurfaceEvent(event) || isCompactCheckpoint(event)
|
||||
}
|
||||
|
||||
/** Concatenated text of a `compact/summary` payload, or null when it carries no usable text. */
|
||||
function compactSummaryText(event: SessionEvent): string | null {
|
||||
const summary = (event.data as unknown as { summary?: unknown }).summary
|
||||
if (!Array.isArray(summary) || summary.length === 0) return null
|
||||
let text = ''
|
||||
for (const block of summary as readonly unknown[]) {
|
||||
const candidate = block as { type?: unknown; text?: unknown }
|
||||
if (candidate.type !== 'text' || typeof candidate.text !== 'string') return null
|
||||
text += candidate.text
|
||||
}
|
||||
return text.trim() === '' ? null : text
|
||||
}
|
||||
|
||||
/**
|
||||
* One landed checkpoint -> the human-facing compaction marker. The summary text
|
||||
* comes from the checkpoint's own provenance (`sourceEventSeqs` names the
|
||||
* `compact/summary` event), never from the framed checkpoint payload, which is
|
||||
* an instruction envelope written for the model. A window cut that left the
|
||||
* provenance outside soft-falls to `summary: null` (a non-expandable marker),
|
||||
* the same posture as a call-less tool result.
|
||||
*/
|
||||
function materializeCompaction(
|
||||
checkpoint: SessionEvent,
|
||||
eventIndex: ReadonlyMap<number, SessionEvent>,
|
||||
): CompactionSummaryNode {
|
||||
const sources = (checkpoint as SessionEvent & { sourceEventSeqs?: number[] }).sourceEventSeqs
|
||||
let summary: string | null = null
|
||||
for (const seq of sources ?? []) {
|
||||
const candidate = eventIndex.get(seq)
|
||||
if (candidate === undefined || (candidate.type as string) !== 'compact/summary') continue
|
||||
summary = compactSummaryText(candidate)
|
||||
break
|
||||
}
|
||||
return { kind: 'compaction', seq: checkpoint.seq, time: checkpoint.time, summary }
|
||||
}
|
||||
|
||||
/** Log-ordered human transcript over a paged raw event window (never consults surface order). */
|
||||
export class TranscriptAdapter {
|
||||
/** Window events by seq: provenance lookup for a checkpoint's summary. */
|
||||
private eventIndex = new Map<number, SessionEvent>()
|
||||
/** Transcript nodes in log order; copy-on-write so a published array never mutates. */
|
||||
private projected: ConversationNode[] = []
|
||||
private callIdx = new Map<string, CallIndexEntry>()
|
||||
/** Wire result views keyed by the tool/result event's seq (views ride the envelope, not the event). */
|
||||
private resultViews = new Map<number, ToolResultView>()
|
||||
/**
|
||||
* Command lifecycle nodes by commandId (insertion = run order). The
|
||||
* `command/run`/`command/done` pair is log-only, so it is not a surface
|
||||
* event and never joins the transcript projection; this index folds the pair
|
||||
* (done settles its run's node in place) and nodes() merges the products in
|
||||
* by seq. Window cuts soft-fall like tool pairs: a done with no in-window
|
||||
* run still builds a node.
|
||||
*/
|
||||
private commandIdx = new Map<string, CommandNode>()
|
||||
/** Projection revision, bumped only when a transcript node or a command node actually
|
||||
* changed, keying the nodes() result cache: an unchanged projection returns the previous
|
||||
* ARRAY reference, not just cached elements — the snapshot's reference-stability contract
|
||||
* (§A.9.4) starts here, and a chunk storm bumps nothing at all. */
|
||||
private rev = 0
|
||||
private nodesResult: { rev: number; value: readonly ConversationNode[] } | null = null
|
||||
|
||||
/** In-window tool/call index (Session uses it for runningCalls and result-card backfill). */
|
||||
get callIndex(): ReadonlyMap<string, CallIndexEntry> {
|
||||
return this.callIdx
|
||||
}
|
||||
|
||||
/**
|
||||
* Window rebuild (after open/resync/page prepend): re-index the raw window
|
||||
* and re-project the transcript.
|
||||
* @param events - the new window contents (seq-ascending).
|
||||
* @param views - per-event wire views aligned with `events` by index (undefined slots for view-less events).
|
||||
*/
|
||||
reset(events: readonly SessionEvent[], views?: readonly (ToolEventView | undefined)[]): void {
|
||||
this.rev++
|
||||
this.eventIndex = new Map()
|
||||
this.callIdx = new Map()
|
||||
this.resultViews.clear()
|
||||
this.commandIdx = new Map()
|
||||
for (let i = 0; i < events.length; i++) {
|
||||
const event = events[i]
|
||||
/* v8 ignore next -- dense-array guard: i stays within events.length, so the undefined arm needs a sparse array no caller builds. */
|
||||
if (event === undefined) continue
|
||||
this.eventIndex.set(event.seq, event)
|
||||
this.indexCall(event, views?.[i])
|
||||
this.indexCommand(event)
|
||||
}
|
||||
// Indexes first, then project: a tool/result materializes against the
|
||||
// complete call index, and a checkpoint against the complete event index.
|
||||
const projected: ConversationNode[] = []
|
||||
for (const event of events) {
|
||||
if (isTranscriptEvent(event)) projected.push(this.materialize(event))
|
||||
}
|
||||
this.projected = projected
|
||||
}
|
||||
|
||||
/**
|
||||
* Tail append (live session/event): index the event and, when it belongs to
|
||||
* the transcript, extend the projection by one node — O(1) per append. An
|
||||
* event that changes no node (a chunk storm) bumps no revision, so nodes()
|
||||
* keeps returning the same array reference.
|
||||
* @param event - the live event (seq = window tail + 1).
|
||||
* @param view - host-computed tool view paired with the event when it is a tool call/result; indexed for card rendering.
|
||||
*/
|
||||
append(event: SessionEvent, view?: ToolEventView): void {
|
||||
this.eventIndex.set(event.seq, event)
|
||||
this.indexCall(event, view)
|
||||
if (this.indexCommand(event)) this.rev++
|
||||
if (!isTranscriptEvent(event)) return
|
||||
this.projected = [...this.projected, this.materialize(event)]
|
||||
this.rev++
|
||||
}
|
||||
|
||||
/**
|
||||
* The current transcript node array. Same revision -> same array reference
|
||||
* (memo boundary); node objects are materialized once, so an unchanged node
|
||||
* keeps its identity across appends.
|
||||
* @returns transcript nodes in log order, command nodes merged in by seq.
|
||||
*/
|
||||
nodes(): readonly ConversationNode[] {
|
||||
if (this.nodesResult !== null && this.nodesResult.rev === this.rev) return this.nodesResult.value
|
||||
// Command nodes fold outside the transcript (log-only events); merge by
|
||||
// seq. Both inputs are seq-ascending (log order and run-index insertion
|
||||
// order are the same order), so one linear merge keeps flow order.
|
||||
let nodes = this.projected
|
||||
if (this.commandIdx.size > 0) {
|
||||
nodes = []
|
||||
const commands = [...this.commandIdx.values()]
|
||||
let next = 0
|
||||
for (const node of this.projected) {
|
||||
for (let cmd = commands[next]; cmd !== undefined && cmd.seq < node.seq; cmd = commands[++next]) {
|
||||
nodes.push(cmd)
|
||||
}
|
||||
nodes.push(node)
|
||||
}
|
||||
for (let cmd = commands[next]; cmd !== undefined; cmd = commands[++next]) nodes.push(cmd)
|
||||
}
|
||||
this.nodesResult = { rev: this.rev, value: nodes }
|
||||
return nodes
|
||||
}
|
||||
|
||||
/** Materialize one transcript event against the complete current indexes. */
|
||||
private materialize(event: SessionEvent): ConversationNode {
|
||||
return isCompactCheckpoint(event)
|
||||
? materializeCompaction(event, this.eventIndex)
|
||||
: materializeNode(event, this.callIdx, this.resultViews.get(event.seq) ?? null)
|
||||
}
|
||||
|
||||
/**
|
||||
* Fold one command lifecycle event into its node (run mints, done settles in
|
||||
* place; done-only soft-falls).
|
||||
* @returns whether the command index changed, so callers can bump the revision.
|
||||
*/
|
||||
private indexCommand(event: SessionEvent): boolean {
|
||||
// Log-only plugin events: the host-side dsh-commands declaration cannot
|
||||
// enter the client program, so this wire consumer narrows structurally
|
||||
// (the same posture as tool/code-dispatch in session.ts).
|
||||
if ((event.type as string) === 'command/run') {
|
||||
const data = event.data as unknown as { commandId: CommandId; name: string; args: string }
|
||||
this.commandIdx.set(data.commandId, {
|
||||
kind: 'command', seq: event.seq, time: event.time,
|
||||
commandId: data.commandId, name: data.name, args: data.args, outcome: null,
|
||||
})
|
||||
return true
|
||||
}
|
||||
if ((event.type as string) !== 'command/done') return false
|
||||
const data = event.data as unknown as { commandId: CommandId; kind: 'success' | 'error'; text?: string }
|
||||
const run = this.commandIdx.get(data.commandId)
|
||||
const outcome = { kind: data.kind, ...data.text === undefined ? {} : { text: data.text } }
|
||||
if (run === undefined) {
|
||||
// Cross-window cut: the run page fell out of the window — build the
|
||||
// node from the done alone (same soft-fall as a call-less tool result).
|
||||
this.commandIdx.set(data.commandId, {
|
||||
kind: 'command', seq: event.seq, time: event.time,
|
||||
commandId: data.commandId, name: null, args: null, outcome,
|
||||
})
|
||||
return true
|
||||
}
|
||||
// Settle in place: a fresh node object (published references stay immutable).
|
||||
this.commandIdx.set(data.commandId, { ...run, outcome })
|
||||
return true
|
||||
}
|
||||
|
||||
private indexCall(event: SessionEvent, view?: ToolEventView): void {
|
||||
if (event.type === 'tool/result') {
|
||||
if (view?.for === 'result') this.resultViews.set(event.seq, view.view)
|
||||
return
|
||||
}
|
||||
if (event.type !== 'tool/call') return
|
||||
this.callIdx.set(String(event.data.callId), {
|
||||
name: event.data.name, argsRaw: event.data.arguments, turn: event.data.turn, step: event.data.step,
|
||||
time: event.time,
|
||||
callView: view?.for === 'call' ? view.view : null,
|
||||
})
|
||||
// No backfill into already-materialized tool-result nodes for this callId
|
||||
// (window order puts the call before its result; cannot happen on the normal path).
|
||||
}
|
||||
}
|
||||
52
packages/client/runtime/tests/compact-checkpoint-pin.spec.ts
Normal file
52
packages/client/runtime/tests/compact-checkpoint-pin.spec.ts
Normal file
@@ -0,0 +1,52 @@
|
||||
/**
|
||||
* Drift trap for the compaction-checkpoint recognition rule.
|
||||
*
|
||||
* `TranscriptAdapter` restates the compaction seam's checkpoint source as a
|
||||
* local literal because it cannot import `dsh-compact` in any form: a VALUE
|
||||
* import fails the client purity gate, and a TYPE-ONLY import fails typecheck —
|
||||
* `dsh-compact`'s root reaches `dsh-session`'s root, whose cordis `Context`
|
||||
* merge declares the HOST `sessions: SessionStore` against the client program's
|
||||
* `sessions: ISessions` (`TS2717`). This spec runs in the client TEST program,
|
||||
* which does not carry that collision, and it is the only thing keeping the two
|
||||
* implementations from drifting: it drives the adapter with a checkpoint built
|
||||
* from the canonical `COMPACT_CHECKPOINT_SOURCE` itself, so renaming the seam's
|
||||
* plugin fails HERE instead of silently deleting every compaction marker from
|
||||
* the web transcript.
|
||||
*/
|
||||
|
||||
import { COMPACT_CHECKPOINT_SOURCE, isCompactCheckpointSource } from '@deepseek-ai/dsh-compact'
|
||||
import { createUserMessage } from '@deepseek-ai/dsh-llm'
|
||||
import { describe, expect, it } from 'vitest'
|
||||
import type { SessionEvent } from '@deepseek-ai/dsh-session/types'
|
||||
import { TranscriptAdapter } from '../src/client/sessions/transcript-adapter.ts'
|
||||
|
||||
/** A replacement user message stamped with the seam's own canonical source. */
|
||||
function canonicalCheckpoint(seq: number): SessionEvent {
|
||||
return {
|
||||
type: 'user/message',
|
||||
seq,
|
||||
time: 1_700_000_000_000 + seq,
|
||||
surfaceOp: { op: 'replace', start: 0, end: 0 },
|
||||
sourceEventSeqs: [0],
|
||||
data: createUserMessage({
|
||||
content: [{ type: 'text', text: '<context_checkpoint>model only</context_checkpoint>' }],
|
||||
source: COMPACT_CHECKPOINT_SOURCE,
|
||||
}),
|
||||
} as unknown as SessionEvent
|
||||
}
|
||||
|
||||
describe('compaction checkpoint recognition', () => {
|
||||
it('recognizes a checkpoint carrying the seam-canonical source', () => {
|
||||
const adapter = new TranscriptAdapter()
|
||||
adapter.reset([canonicalCheckpoint(1)])
|
||||
expect(adapter.nodes()).toEqual([{ kind: 'compaction', seq: 1, time: 1_700_000_000_001, summary: null }])
|
||||
})
|
||||
|
||||
it('agrees with the seam s own predicate on the source it recognizes', () => {
|
||||
// Both sides answer the same question about the same value: if the seam
|
||||
// renames its plugin, this equality is what breaks.
|
||||
const checkpoint = canonicalCheckpoint(1)
|
||||
expect(checkpoint.type === 'user/message' && isCompactCheckpointSource(checkpoint.data.source)).toBe(true)
|
||||
expect(COMPACT_CHECKPOINT_SOURCE).toEqual({ kind: 'plugin', plugin: 'compact' })
|
||||
})
|
||||
})
|
||||
@@ -69,6 +69,27 @@ export const ev = {
|
||||
at(seq, { type: 'command/run', data: { commandId, name, args, source: { kind: 'user' } } }),
|
||||
commandDone: (seq: number, commandId: string, kind: 'success' | 'error' = 'success', text?: string): SessionEvent =>
|
||||
at(seq, { type: 'command/done', data: { commandId, kind, ...text === undefined ? {} : { text } } }),
|
||||
/** A compaction's log-only `compact/summary` provenance record. */
|
||||
compactSummary: (seq: number, summary: string, start: number, end: number): SessionEvent =>
|
||||
at(seq, { type: 'compact/summary', data: {
|
||||
summary: text(summary),
|
||||
shadowedRange: { start, end },
|
||||
shadowedSeqs: [start, end],
|
||||
shadowedTokenCount: 100,
|
||||
provider: 'fake',
|
||||
model: 'compact-1',
|
||||
} }),
|
||||
/** The replacement user message a compaction backend lands (the checkpoint). */
|
||||
compactCheckpoint: (seq: number, summarySeq: number, start: number, end: number): SessionEvent =>
|
||||
at(seq, {
|
||||
type: 'user/message',
|
||||
surfaceOp: { op: 'replace', start, end },
|
||||
sourceEventSeqs: [summarySeq, start, end],
|
||||
data: createUserMessage({
|
||||
content: text('<context_checkpoint>model only</context_checkpoint>'),
|
||||
source: { kind: 'plugin', plugin: 'compact' },
|
||||
}),
|
||||
}),
|
||||
}
|
||||
|
||||
/** One complete plain turn (turn/start → user → step → assistant → turn/end), 6 events from startSeq. */
|
||||
|
||||
@@ -1,251 +0,0 @@
|
||||
import { createUserMessage, CallId, createMessage, createToolResultMessage } from '@deepseek-ai/dsh-llm'
|
||||
/**
|
||||
* FoldAdapter over the real core SurfaceManager: padding sentinels for paged
|
||||
* windows, incremental append with node-cache identity, six-variant
|
||||
* materialization, call-index backfill, and the degraded linear-scan branch.
|
||||
*/
|
||||
|
||||
import { describe, expect, it, vi } from 'vitest'
|
||||
import type { SessionEvent } from '@deepseek-ai/dsh-session/types'
|
||||
import { FoldAdapter } from '../src/client/sessions/fold-adapter.ts'
|
||||
import { ev, plainTurn } from './event-script.ts'
|
||||
|
||||
const at = (seq: number, e: Record<string, unknown>): SessionEvent =>
|
||||
({ seq, time: 1_700_000_000_000 + seq, ...e }) as unknown as SessionEvent
|
||||
|
||||
describe('FoldAdapter', () => {
|
||||
it('folds a baseSeq>0 window through padding sentinels with correct seqs', () => {
|
||||
const adapter = new FoldAdapter()
|
||||
const window = plainTurn(100, 5, '偏移问', '偏移答')
|
||||
adapter.reset(window, 100)
|
||||
const { nodes, degraded } = adapter.nodes()
|
||||
expect(degraded).toBe(false)
|
||||
expect(nodes.map(n => [n.kind, n.seq])).toEqual([['user', 101], ['assistant', 103]])
|
||||
})
|
||||
|
||||
it('appends incrementally keeping old node references (cache identity)', () => {
|
||||
const adapter = new FoldAdapter()
|
||||
adapter.reset(plainTurn(0, 0, 'a', 'b'), 0)
|
||||
const first = adapter.nodes()
|
||||
adapter.append(ev.user(6, '追加'))
|
||||
const second = adapter.nodes()
|
||||
expect(second.nodes).toHaveLength(3)
|
||||
expect(second.nodes[0]).toBe(first.nodes[0])
|
||||
expect(second.nodes[1]).toBe(first.nodes[1])
|
||||
expect(second.nodes).not.toBe(first.nodes) // array itself fresh per call
|
||||
})
|
||||
|
||||
it('materializes all six node variants with field mapping', () => {
|
||||
const adapter = new FoldAdapter()
|
||||
const events = [
|
||||
ev.user(0, '用户'),
|
||||
ev.assistant(1, 0, '助手'),
|
||||
at(2, { type: 'steering/message', surfaceOp: 'append', data: {
|
||||
turn: 0,
|
||||
message: createUserMessage({
|
||||
content: [{ type: 'text', text: '插话' }],
|
||||
source: { kind: 'user' },
|
||||
}),
|
||||
} }),
|
||||
at(3, { type: 'user/message', surfaceOp: 'append', data: createUserMessage({
|
||||
content: [{ type: 'text', text: '上下文' }], source: { kind: 'plugin', plugin: 'p' },
|
||||
}) }),
|
||||
ev.toolCall(4, 0, 'c1', 'echo', '{"x":1}'),
|
||||
ev.toolResult(5, 0, 'c1', '结果'),
|
||||
]
|
||||
adapter.reset(events, 0)
|
||||
const { nodes } = adapter.nodes()
|
||||
const kinds = nodes.map(n => n.kind)
|
||||
expect(kinds).toContain('user')
|
||||
expect(kinds).toContain('assistant')
|
||||
expect(kinds).toContain('steering')
|
||||
expect(kinds).toContain('context')
|
||||
const result = nodes.find(n => n.kind === 'tool-result')
|
||||
expect(result).toMatchObject({ callId: 'c1', call: { name: 'echo', argsRaw: '{"x":1}' }, isError: false })
|
||||
})
|
||||
|
||||
it('returns call:null for a tool-result whose call fell outside the window', () => {
|
||||
const adapter = new FoldAdapter()
|
||||
adapter.reset([ev.toolResult(50, 3, 'outside-call', '孤儿结果')], 50)
|
||||
const { nodes } = adapter.nodes()
|
||||
expect(nodes[0]).toMatchObject({ kind: 'tool-result', callId: 'outside-call', call: null })
|
||||
})
|
||||
|
||||
it('materializes surface-eligible types it does not know as unknown nodes', () => {
|
||||
const adapter = new FoldAdapter()
|
||||
adapter.reset([at(0, { type: 'notice/message', surfaceOp: 'append', data: { note: 1 } })], 0)
|
||||
const { nodes } = adapter.nodes()
|
||||
// Either the fold surfaces it (unknown node) or skips it as non-eligible — both are valid
|
||||
// shapes; what matters is no throw and no misclassification into a known kind.
|
||||
for (const node of nodes) expect(node.kind).toBe('unknown')
|
||||
})
|
||||
|
||||
it('degrades to the lenient linear scan when the fold throws, and stays degraded', () => {
|
||||
const adapter = new FoldAdapter()
|
||||
// An invalid surfaceOp on a surface-eligible event deterministically throws in the core fold.
|
||||
const window = [
|
||||
ev.user(10, '正常'),
|
||||
at(11, { type: 'assistant/message', surfaceOp: 'bogus-op', data: {
|
||||
turn: 0, step: 0,
|
||||
message: createMessage({
|
||||
role: 'assistant',
|
||||
content: [{ type: 'text', text: '坏 op' }],
|
||||
source: {
|
||||
kind: 'model',
|
||||
...{ provider: 'x', model: 'y' },
|
||||
},
|
||||
}),
|
||||
} }),
|
||||
]
|
||||
const errorSpy = vi.spyOn(console, 'error').mockImplementation(() => undefined)
|
||||
try {
|
||||
adapter.reset(window, 10)
|
||||
const first = adapter.nodes()
|
||||
expect(first.degraded).toBe(true)
|
||||
expect(errorSpy).toHaveBeenCalled()
|
||||
expect(first.nodes.map(n => n.seq)).toEqual([10, 11]) // linear scan: append order, bad op ignored
|
||||
adapter.append(ev.user(12, '降级后追加')) // bump rev so the cached result is not reused
|
||||
const second = adapter.nodes()
|
||||
expect(second.degraded).toBe(true) // sticky: no re-throw loop, straight to the linear scan
|
||||
expect(second.nodes[0]).toBe(first.nodes[0]) // cache still serves node identity
|
||||
expect(second.nodes.map(n => n.seq)).toEqual([10, 11, 12])
|
||||
} finally {
|
||||
errorSpy.mockRestore()
|
||||
}
|
||||
})
|
||||
|
||||
it('materializes a tool-result error field when present', () => {
|
||||
const adapter = new FoldAdapter()
|
||||
adapter.reset([
|
||||
at(0, { type: 'tool/result', surfaceOp: 'append', data: {
|
||||
turn: 0, step: 0,
|
||||
message: createToolResultMessage({
|
||||
callId: CallId('c1'),
|
||||
content: [],
|
||||
isError: true,
|
||||
}),
|
||||
error: { name: 'Boom', code: 'boom' },
|
||||
} }),
|
||||
], 0)
|
||||
expect(adapter.nodes().nodes[0]).toMatchObject({ kind: 'tool-result', isError: true, error: { code: 'boom' } })
|
||||
})
|
||||
|
||||
it('exposes the in-window call index for runningCalls material', () => {
|
||||
const adapter = new FoldAdapter()
|
||||
adapter.reset([ev.toolCall(0, 1, 'c9', 'slow', '{}')], 0)
|
||||
expect(adapter.callIndex.get('c9')).toMatchObject({ name: 'slow', turn: 1 })
|
||||
adapter.append(ev.toolCall(1, 1, 'c10', 'fast', '{}'))
|
||||
expect(adapter.callIndex.size).toBe(2)
|
||||
})
|
||||
|
||||
it('attaches wire views: callView into the call index, resultView onto the node by seq', () => {
|
||||
const adapter = new FoldAdapter()
|
||||
const events = [
|
||||
ev.toolCall(0, 1, 'c1', 'bash', '{"cmd":"ls"}'),
|
||||
ev.toolResult(1, 1, 'c1', 'listing'),
|
||||
]
|
||||
const callView = { for: 'call' as const, view: { card: 'terminal' as const, command: 'ls' } }
|
||||
const resultView = { for: 'result' as const, view: { card: 'generic' as const, title: '完成' } }
|
||||
adapter.reset(events, 0, [callView, resultView] as never)
|
||||
expect(adapter.callIndex.get('c1')).toMatchObject({ callView: { card: 'terminal' } })
|
||||
const node = adapter.nodes().nodes.find(n => n.kind === 'tool-result')
|
||||
expect(node).toMatchObject({ callView: { card: 'terminal' }, resultView: { card: 'generic', title: '完成' } })
|
||||
})
|
||||
|
||||
it('attaches views on the live append path and defaults to null without views', () => {
|
||||
const adapter = new FoldAdapter()
|
||||
adapter.reset(plainTurn(0, 0, 'a', 'b'), 0) // no views argument: legacy-shaped call
|
||||
adapter.append(ev.toolCall(6, 1, 'c2', 'echo', '{}'), { for: 'call', view: { card: 'generic', title: '回声' } } as never)
|
||||
adapter.append(ev.toolResult(7, 1, 'c2', 'ok')) // no view on the result
|
||||
expect(adapter.callIndex.get('c2')).toMatchObject({ callView: { title: '回声' } })
|
||||
const node = adapter.nodes().nodes.find(n => n.kind === 'tool-result')
|
||||
expect(node).toMatchObject({ callView: { title: '回声' }, resultView: null })
|
||||
})
|
||||
|
||||
it('leaves callView null when the paired call fell outside the window (cross-page break)', () => {
|
||||
const adapter = new FoldAdapter()
|
||||
const resultView = { for: 'result' as const, view: { card: 'generic' as const, title: '孤儿' } }
|
||||
adapter.reset([ev.toolResult(50, 3, 'outside', '窗外配对')], 50, [resultView] as never)
|
||||
const node = adapter.nodes().nodes[0]
|
||||
expect(node).toMatchObject({ kind: 'tool-result', call: null, callView: null, resultView: { title: '孤儿' } })
|
||||
})
|
||||
|
||||
describe('command lifecycle nodes', () => {
|
||||
it('folds a run/done pair into one settled node merged into flow order by seq', () => {
|
||||
const adapter = new FoldAdapter()
|
||||
adapter.reset([
|
||||
ev.user(0, '先说话'),
|
||||
ev.commandRun(1, 'cmd-1', 'plan'),
|
||||
ev.commandDone(2, 'cmd-1', 'success', '已进入 plan mode'),
|
||||
ev.assistant(3, 0, '然后回答'),
|
||||
], 0)
|
||||
const { nodes } = adapter.nodes()
|
||||
expect(nodes.map(n => [n.kind, n.seq])).toEqual([['user', 0], ['command', 1], ['assistant', 3]])
|
||||
expect(nodes[1]).toMatchObject({
|
||||
kind: 'command', commandId: 'cmd-1', name: 'plan', args: '',
|
||||
outcome: { kind: 'success', text: '已进入 plan mode' },
|
||||
})
|
||||
})
|
||||
|
||||
it('renders a run with no done as still executing (outcome null)', () => {
|
||||
const adapter = new FoldAdapter()
|
||||
adapter.reset([ev.commandRun(0, 'cmd-2', 'goal', ' ship it')], 0)
|
||||
expect(adapter.nodes().nodes[0]).toMatchObject({
|
||||
kind: 'command', name: 'goal', args: ' ship it', outcome: null,
|
||||
})
|
||||
})
|
||||
|
||||
it('soft-falls a done-only window into a node built from the done (cross-window cut)', () => {
|
||||
const adapter = new FoldAdapter()
|
||||
adapter.reset([ev.commandDone(80, 'cmd-3', 'error', '失败了')], 80)
|
||||
expect(adapter.nodes().nodes[0]).toMatchObject({
|
||||
kind: 'command', seq: 80, commandId: 'cmd-3', name: null, args: null,
|
||||
outcome: { kind: 'error', text: '失败了' },
|
||||
})
|
||||
})
|
||||
|
||||
it('settles a live-appended done in place, keeping the node at the run seq', () => {
|
||||
const adapter = new FoldAdapter()
|
||||
adapter.reset(plainTurn(0, 0, 'q', 'a'), 0)
|
||||
adapter.append(ev.commandRun(6, 'cmd-4', 'clear'))
|
||||
const running = adapter.nodes().nodes.find(n => n.kind === 'command')
|
||||
expect(running).toMatchObject({ outcome: null })
|
||||
adapter.append(ev.commandDone(7, 'cmd-4'))
|
||||
const settled = adapter.nodes().nodes.find(n => n.kind === 'command')
|
||||
expect(settled).toMatchObject({ seq: 6, outcome: { kind: 'success' } })
|
||||
// Settlement replaced the node object rather than mutating the published one.
|
||||
expect(settled).not.toBe(running)
|
||||
})
|
||||
|
||||
it('tails command nodes whose seq is past every surface node', () => {
|
||||
const adapter = new FoldAdapter()
|
||||
adapter.reset([ev.user(0, '问'), ev.commandRun(1, 'cmd-tail', 'plan')], 0)
|
||||
expect(adapter.nodes().nodes.map(n => n.kind)).toEqual(['user', 'command'])
|
||||
})
|
||||
|
||||
it('command nodes survive the degraded linear-scan branch', () => {
|
||||
const adapter = new FoldAdapter()
|
||||
const errorSpy = vi.spyOn(console, 'error').mockImplementation(() => undefined)
|
||||
try {
|
||||
adapter.reset([
|
||||
ev.commandRun(0, 'cmd-5', 'plan'),
|
||||
ev.commandDone(1, 'cmd-5'),
|
||||
at(2, { type: 'assistant/message', surfaceOp: 'bogus-op', data: {
|
||||
turn: 0,
|
||||
step: 0,
|
||||
message: createMessage({
|
||||
role: 'assistant',
|
||||
content: [{ type: 'text', text: '坏 op' }],
|
||||
source: { kind: 'model', provider: 'x', model: 'y' },
|
||||
}),
|
||||
} }),
|
||||
], 0)
|
||||
const { nodes, degraded } = adapter.nodes()
|
||||
expect(degraded).toBe(true)
|
||||
expect(nodes.some(n => n.kind === 'command')).toBe(true)
|
||||
} finally {
|
||||
errorSpy.mockRestore()
|
||||
}
|
||||
})
|
||||
})
|
||||
})
|
||||
@@ -195,6 +195,45 @@ describe('live event path', () => {
|
||||
})
|
||||
})
|
||||
|
||||
it('keeps compacted history and adds one marker, live and on replay alike', async () => {
|
||||
// A landed compaction must not erase conversation the reader already saw:
|
||||
// the shadowed messages stay at their own log positions and the checkpoint
|
||||
// contributes one marker after them.
|
||||
const { session } = await opened()
|
||||
const feed = (event: SessionEvent) => { session.handleMuxEnvelope('r' as never, { type: 'session/event', sessionId: SID, event }) }
|
||||
feed(ev.compactSummary(6, '压缩摘要', 1, 3))
|
||||
feed(ev.compactCheckpoint(7, 6, 1, 3))
|
||||
const live = session.getSnapshot().nodes
|
||||
expect(live.map(n => [n.kind, n.seq])).toEqual([['user', 1], ['assistant', 3], ['compaction', 7]])
|
||||
expect(live.at(-1)).toMatchObject({ kind: 'compaction', summary: '压缩摘要' })
|
||||
|
||||
const replayed = await opened([
|
||||
...plainTurn(0, 0, 'a', 'b'),
|
||||
ev.compactSummary(6, '压缩摘要', 1, 3),
|
||||
ev.compactCheckpoint(7, 6, 1, 3),
|
||||
])
|
||||
expect(replayed.session.getSnapshot().nodes).toEqual(live)
|
||||
})
|
||||
|
||||
it('merges an interrupted frozen node by seq into the log-ordered transcript', async () => {
|
||||
// The transcript array is seq-monotonic, so the frozen node's fractional
|
||||
// seq lands it exactly where it happened — including after a compaction
|
||||
// checkpoint whose own seq is higher than the range it shadowed.
|
||||
const { session } = await opened()
|
||||
const feed = (event: SessionEvent) => { session.handleMuxEnvelope('r' as never, { type: 'session/event', sessionId: SID, event }) }
|
||||
feed(ev.compactSummary(6, '压缩摘要', 1, 3))
|
||||
feed(ev.compactCheckpoint(7, 6, 1, 3))
|
||||
feed(ev.turnStart(8, 1))
|
||||
feed(ev.user(9, '压缩后的提问'))
|
||||
feed(ev.chunkStart(10, 1))
|
||||
feed(ev.chunkText(11, 1, '说到一半'))
|
||||
feed(ev.turnEnd(12, 1, 'cancelled'))
|
||||
expect(session.getSnapshot().nodes.map(n => n.kind)).toEqual([
|
||||
'user', 'assistant', 'compaction', 'user', 'assistant',
|
||||
])
|
||||
expect(session.getSnapshot().nodes.at(-1)).toMatchObject({ interrupted: true })
|
||||
})
|
||||
|
||||
it('repairs a seq gap by repulling the tail page instead of appending a hole', async () => {
|
||||
const { api, session } = await opened(plainTurn(0, 0, 'a', 'b')) // tail seq = 5
|
||||
const repaired = [...plainTurn(0, 0, 'a', 'b'), ...plainTurn(6, 1, 'c', 'd')]
|
||||
@@ -226,6 +265,30 @@ describe('paging', () => {
|
||||
expect(snapshot.nodes.map(n => n.seq)).toEqual([1, 3, 7, 9])
|
||||
})
|
||||
|
||||
it('renders a page whose checkpoint shadows seqs below the window head, logging nothing', async () => {
|
||||
// Pagination no longer spends maxMessages quota on replacement copies, so a
|
||||
// page can carry a compaction checkpoint whose surfaceOp.start lies outside
|
||||
// the window. The old surface fold rejected that range and degraded with a
|
||||
// console error; the log-ordered transcript has no range to resolve.
|
||||
const { api, session } = makeSession()
|
||||
api.onHistory = () => histResponse([
|
||||
ev.compactSummary(80, '窗外范围的摘要', 3, 40),
|
||||
ev.compactCheckpoint(81, 80, 3, 40),
|
||||
ev.user(82, '压缩后的新问题'),
|
||||
], true)
|
||||
const errorSpy = vi.spyOn(console, 'error').mockImplementation(() => undefined)
|
||||
try {
|
||||
await session.open()
|
||||
const snapshot = session.getSnapshot()
|
||||
expect(snapshot.openState).toBe('open')
|
||||
expect(snapshot.nodes.map(n => [n.kind, n.seq])).toEqual([['compaction', 81], ['user', 82]])
|
||||
expect(snapshot.nodes[0]).toMatchObject({ summary: '窗外范围的摘要' })
|
||||
expect(errorSpy).not.toHaveBeenCalled()
|
||||
} finally {
|
||||
errorSpy.mockRestore()
|
||||
}
|
||||
})
|
||||
|
||||
it('drops a discontinuous older page fail-soft (window unchanged, hasMore cleared)', async () => {
|
||||
const { api, session } = makeSession()
|
||||
api.onHistory = payload => payload.beforeSeq === undefined
|
||||
|
||||
415
packages/client/runtime/tests/transcript-adapter.spec.ts
Normal file
415
packages/client/runtime/tests/transcript-adapter.spec.ts
Normal file
@@ -0,0 +1,415 @@
|
||||
/**
|
||||
* TranscriptAdapter over the raw append-only window: log-ordered projection of
|
||||
* append-origin events, one marker per landed compaction, replacement copies
|
||||
* hidden, command-lifecycle folding, node/array identity, call pairing, and
|
||||
* host-provided wire views.
|
||||
*/
|
||||
|
||||
import { createUserMessage, CallId, createMessage, createToolResultMessage } from '@deepseek-ai/dsh-llm'
|
||||
import { describe, expect, it } from 'vitest'
|
||||
import type { SessionEvent } from '@deepseek-ai/dsh-session/types'
|
||||
import { TranscriptAdapter } from '../src/client/sessions/transcript-adapter.ts'
|
||||
import { ev, plainTurn } from './event-script.ts'
|
||||
|
||||
const at = (seq: number, e: Record<string, unknown>): SessionEvent =>
|
||||
({ seq, time: 1_700_000_000_000 + seq, ...e }) as unknown as SessionEvent
|
||||
|
||||
/** A `compact/summary` provenance event (log-only, no surfaceOp). */
|
||||
function compactSummary(seq: number, summary: unknown = [{ type: 'text', text: '# 摘要\n\n保留事实' }]): SessionEvent {
|
||||
return at(seq, {
|
||||
type: 'compact/summary',
|
||||
data: {
|
||||
summary,
|
||||
shadowedRange: { start: 1, end: 3 },
|
||||
shadowedSeqs: [1, 3],
|
||||
shadowedTokenCount: 100,
|
||||
provider: 'fake',
|
||||
model: 'compact-1',
|
||||
},
|
||||
})
|
||||
}
|
||||
|
||||
/** The replacement user message a compaction backend lands (the checkpoint). */
|
||||
function checkpoint(
|
||||
seq: number,
|
||||
summarySeq: number,
|
||||
{ start = 1, end = 3, sourceEventSeqs = [summarySeq, start, end] }: {
|
||||
start?: number
|
||||
end?: number
|
||||
sourceEventSeqs?: number[]
|
||||
} = {},
|
||||
): SessionEvent {
|
||||
return at(seq, {
|
||||
type: 'user/message',
|
||||
surfaceOp: { op: 'replace', start, end },
|
||||
sourceEventSeqs,
|
||||
data: createUserMessage({
|
||||
content: [{ type: 'text', text: '<context_checkpoint>model only</context_checkpoint>' }],
|
||||
source: { kind: 'plugin', plugin: 'compact' },
|
||||
}),
|
||||
})
|
||||
}
|
||||
|
||||
describe('TranscriptAdapter', () => {
|
||||
it('projects a window starting past seq 0 at its own log positions', () => {
|
||||
const adapter = new TranscriptAdapter()
|
||||
adapter.reset(plainTurn(100, 5, '偏移问', '偏移答'))
|
||||
expect(adapter.nodes().map(n => [n.kind, n.seq])).toEqual([['user', 101], ['assistant', 103]])
|
||||
})
|
||||
|
||||
it('appends incrementally keeping old node references (materialize-once identity)', () => {
|
||||
const adapter = new TranscriptAdapter()
|
||||
adapter.reset(plainTurn(0, 0, 'a', 'b'))
|
||||
const first = adapter.nodes()
|
||||
adapter.append(ev.user(6, '追加'))
|
||||
const second = adapter.nodes()
|
||||
expect(second).toHaveLength(3)
|
||||
expect(second[0]).toBe(first[0])
|
||||
expect(second[1]).toBe(first[1])
|
||||
expect(second).not.toBe(first) // a real change swaps the array
|
||||
})
|
||||
|
||||
it('keeps the array reference across a chunk storm and swaps it when a node lands', () => {
|
||||
const adapter = new TranscriptAdapter()
|
||||
adapter.reset(plainTurn(0, 0, 'a', 'b'))
|
||||
const settled = adapter.nodes()
|
||||
adapter.append(ev.chunkStart(6, 1))
|
||||
expect(adapter.nodes()).toBe(settled)
|
||||
adapter.append(ev.chunkText(7, 1, '流式'))
|
||||
expect(adapter.nodes()).toBe(settled)
|
||||
adapter.append(ev.assistant(8, 1, '流式完成'))
|
||||
const finalized = adapter.nodes()
|
||||
expect(finalized).not.toBe(settled)
|
||||
expect(finalized.at(-1)).toMatchObject({ kind: 'assistant', seq: 8 })
|
||||
})
|
||||
|
||||
it('materializes every append-origin variant with field mapping', () => {
|
||||
const adapter = new TranscriptAdapter()
|
||||
adapter.reset([
|
||||
ev.user(0, '用户'),
|
||||
ev.assistant(1, 0, '助手'),
|
||||
at(2, { type: 'steering/message', surfaceOp: 'append', data: {
|
||||
turn: 0,
|
||||
message: createUserMessage({
|
||||
content: [{ type: 'text', text: '插话' }],
|
||||
source: { kind: 'user' },
|
||||
}),
|
||||
} }),
|
||||
at(3, { type: 'user/message', surfaceOp: 'append', data: createUserMessage({
|
||||
content: [{ type: 'text', text: '上下文' }], source: { kind: 'plugin', plugin: 'p' },
|
||||
}) }),
|
||||
ev.toolCall(4, 0, 'c1', 'echo', '{"x":1}'),
|
||||
ev.toolResult(5, 0, 'c1', '结果'),
|
||||
])
|
||||
const nodes = adapter.nodes()
|
||||
expect(nodes.map(n => n.kind)).toEqual(['user', 'assistant', 'steering', 'context', 'tool-result'])
|
||||
expect(nodes.find(n => n.kind === 'tool-result')).toMatchObject({
|
||||
callId: 'c1', call: { name: 'echo', argsRaw: '{"x":1}' }, isError: false,
|
||||
})
|
||||
})
|
||||
|
||||
it('skips events core does not call surface-eligible, marker or not', () => {
|
||||
// The transcript is the append-origin surface, so log-only events (a chunk,
|
||||
// a turn boundary, a compact/* provenance record) and a future type core
|
||||
// has not admitted contribute no node.
|
||||
const adapter = new TranscriptAdapter()
|
||||
adapter.reset([
|
||||
ev.turnStart(0, 1),
|
||||
at(1, { type: 'notice/message', surfaceOp: 'append', data: { note: 1 } }),
|
||||
compactSummary(2),
|
||||
ev.user(3, '唯一的一条'),
|
||||
ev.turnEnd(4, 1),
|
||||
])
|
||||
expect(adapter.nodes().map(n => [n.kind, n.seq])).toEqual([['user', 3]])
|
||||
})
|
||||
|
||||
describe('compaction markers', () => {
|
||||
it('keeps the original messages and full tool output, hiding replacement copies', () => {
|
||||
const adapter = new TranscriptAdapter()
|
||||
adapter.reset([
|
||||
ev.user(0, '原始问题'),
|
||||
ev.assistant(1, 0, '原始回答'),
|
||||
ev.toolCall(4, 0, 'c1', 'echo', '{}'),
|
||||
ev.toolResult(5, 0, 'c1', '完整工具输出'),
|
||||
// A pruned tool/result copy: rewrites one node for the model, marks nothing.
|
||||
at(6, { type: 'tool/result', surfaceOp: { op: 'replace', start: 5, end: 5 }, sourceEventSeqs: [5], data: {
|
||||
turn: 0, step: 0,
|
||||
message: createToolResultMessage({ callId: CallId('c1'), content: [{ type: 'text', text: '已裁剪' }], isError: false }),
|
||||
} }),
|
||||
compactSummary(7),
|
||||
checkpoint(8, 7, { start: 1, end: 5, sourceEventSeqs: [7, 1, 5] }),
|
||||
// A regenerated assistant/message: also a silent model-only rewrite.
|
||||
at(9, { type: 'assistant/message', surfaceOp: { op: 'replace', start: 8, end: 8 }, sourceEventSeqs: [8], data: {
|
||||
turn: 0, step: 0,
|
||||
message: createMessage({
|
||||
role: 'assistant',
|
||||
content: [{ type: 'text', text: '通用 replacement 副本' }],
|
||||
source: { kind: 'model', ...{ provider: 'x', model: 'copy' } },
|
||||
}),
|
||||
} }),
|
||||
])
|
||||
const nodes = adapter.nodes()
|
||||
expect(nodes.map(n => [n.kind, n.seq])).toEqual([
|
||||
['user', 0], ['assistant', 1], ['tool-result', 5], ['compaction', 8],
|
||||
])
|
||||
expect(nodes[2]).toMatchObject({ kind: 'tool-result', content: [{ type: 'text', text: '完整工具输出' }] })
|
||||
expect(nodes[3]).toMatchObject({ kind: 'compaction', summary: '# 摘要\n\n保留事实' })
|
||||
})
|
||||
|
||||
it('adds one marker per landed compaction, in log order', () => {
|
||||
const adapter = new TranscriptAdapter()
|
||||
adapter.reset([
|
||||
ev.user(0, 'a'),
|
||||
compactSummary(1, [{ type: 'text', text: 'first' }]),
|
||||
checkpoint(2, 1, { start: 0, end: 0, sourceEventSeqs: [1, 0] }),
|
||||
ev.user(3, 'b'),
|
||||
compactSummary(4, [{ type: 'text', text: 'second' }]),
|
||||
checkpoint(5, 4, { start: 2, end: 3, sourceEventSeqs: [4, 2, 3] }),
|
||||
])
|
||||
expect(adapter.nodes().filter(n => n.kind === 'compaction')).toEqual([
|
||||
{ kind: 'compaction', seq: 2, time: 1_700_000_000_002, summary: 'first' },
|
||||
{ kind: 'compaction', seq: 5, time: 1_700_000_000_005, summary: 'second' },
|
||||
])
|
||||
})
|
||||
|
||||
it('renders the marker when the shadowed range is outside the window and logs nothing', () => {
|
||||
// The pagination hole A1 left open: quota is no longer spent on
|
||||
// replacement copies, so a page can carry a checkpoint whose
|
||||
// surfaceOp.start lies below the window head. The old surface fold threw
|
||||
// on the missing range and degraded with a console error; a log-ordered
|
||||
// projection has no range to resolve.
|
||||
const adapter = new TranscriptAdapter()
|
||||
const noise = { error: console.error, warn: console.warn }
|
||||
const logged: unknown[] = []
|
||||
console.error = (...args: unknown[]) => logged.push(args)
|
||||
console.warn = (...args: unknown[]) => logged.push(args)
|
||||
try {
|
||||
adapter.reset([
|
||||
compactSummary(80, [{ type: 'text', text: '窗外范围' }]),
|
||||
checkpoint(81, 80, { start: 3, end: 40, sourceEventSeqs: [80, 3, 40] }),
|
||||
ev.user(82, '压缩后的新问题'),
|
||||
])
|
||||
expect(adapter.nodes().map(n => [n.kind, n.seq])).toEqual([['compaction', 81], ['user', 82]])
|
||||
expect(adapter.nodes()[0]).toMatchObject({ summary: '窗外范围' })
|
||||
} finally {
|
||||
console.error = noise.error
|
||||
console.warn = noise.warn
|
||||
}
|
||||
expect(logged).toEqual([])
|
||||
})
|
||||
|
||||
it('treats an APPENDING plugin-sourced user/message as injected context, not a compaction', () => {
|
||||
// A session-reference card carries the same plugin source shape; only the
|
||||
// replacement marker makes an event a checkpoint.
|
||||
const adapter = new TranscriptAdapter()
|
||||
adapter.reset([
|
||||
at(0, { type: 'user/message', surfaceOp: 'append', data: createUserMessage({
|
||||
content: [{ type: 'text', text: '注入的上下文' }],
|
||||
source: { kind: 'plugin', plugin: 'compact' },
|
||||
}) }),
|
||||
])
|
||||
expect(adapter.nodes()).toMatchObject([{ kind: 'context', seq: 0 }])
|
||||
})
|
||||
|
||||
it('ignores a foreign plugin s replacement user/message', () => {
|
||||
const adapter = new TranscriptAdapter()
|
||||
adapter.reset([
|
||||
ev.user(0, '保留'),
|
||||
at(1, { type: 'user/message', surfaceOp: { op: 'replace', start: 0, end: 0 }, sourceEventSeqs: [0], data: createUserMessage({
|
||||
content: [{ type: 'text', text: '别的插件重写' }],
|
||||
source: { kind: 'plugin', plugin: 'not-compact' },
|
||||
}) }),
|
||||
])
|
||||
expect(adapter.nodes().map(n => [n.kind, n.seq])).toEqual([['user', 0]])
|
||||
})
|
||||
|
||||
it.each([
|
||||
['absent provenance', undefined],
|
||||
['malformed summary blocks', compactSummary(1, [{ type: 'image', data: 'nope' }])],
|
||||
['a whitespace-only summary', compactSummary(1, [{ type: 'text', text: ' ' }])],
|
||||
['an empty summary array', compactSummary(1, [])],
|
||||
['a non-array summary', compactSummary(1, 'plain string')],
|
||||
])('degrades %s to a non-expandable marker', (_label, summary) => {
|
||||
const adapter = new TranscriptAdapter()
|
||||
adapter.reset([
|
||||
...(summary === undefined ? [] : [summary]),
|
||||
checkpoint(2, 1, { start: 0, end: 0, sourceEventSeqs: [1, 0] }),
|
||||
])
|
||||
expect(adapter.nodes()).toEqual([
|
||||
{ kind: 'compaction', seq: 2, time: 1_700_000_000_002, summary: null },
|
||||
])
|
||||
})
|
||||
|
||||
it('leaves the summary null when the checkpoint records no provenance at all', () => {
|
||||
const adapter = new TranscriptAdapter()
|
||||
adapter.reset([at(2, {
|
||||
type: 'user/message',
|
||||
surfaceOp: { op: 'replace', start: 0, end: 0 },
|
||||
data: createUserMessage({
|
||||
content: [{ type: 'text', text: '<context_checkpoint>x</context_checkpoint>' }],
|
||||
source: { kind: 'plugin', plugin: 'compact' },
|
||||
}),
|
||||
})])
|
||||
expect(adapter.nodes()).toEqual([{ kind: 'compaction', seq: 2, time: 1_700_000_000_002, summary: null }])
|
||||
})
|
||||
|
||||
it('skips a non-summary provenance seq before reaching the real one', () => {
|
||||
const adapter = new TranscriptAdapter()
|
||||
adapter.reset([
|
||||
ev.user(0, '被压缩的问题'),
|
||||
at(1, { type: 'compact/start', data: { turn: 0 } }),
|
||||
compactSummary(2, [{ type: 'text', text: '第三个来源才是摘要' }]),
|
||||
checkpoint(3, 2, { start: 0, end: 0, sourceEventSeqs: [1, 2, 0] }),
|
||||
])
|
||||
expect(adapter.nodes().at(-1)).toMatchObject({ kind: 'compaction', summary: '第三个来源才是摘要' })
|
||||
})
|
||||
|
||||
it('resolves the summary once an older page supplies the provenance', () => {
|
||||
const adapter = new TranscriptAdapter()
|
||||
const landed = checkpoint(8, 7, { start: 0, end: 0, sourceEventSeqs: [7, 0] })
|
||||
adapter.reset([landed])
|
||||
expect(adapter.nodes()[0]).toMatchObject({ kind: 'compaction', summary: null })
|
||||
adapter.reset([compactSummary(7, [{ type: 'text', text: '分页补齐的摘要' }]), landed])
|
||||
expect(adapter.nodes()[0]).toMatchObject({ kind: 'compaction', summary: '分页补齐的摘要' })
|
||||
})
|
||||
|
||||
it('creates the marker on the live append path', () => {
|
||||
const adapter = new TranscriptAdapter()
|
||||
adapter.reset(plainTurn(0, 0, 'a', 'b'))
|
||||
adapter.append(compactSummary(6, [{ type: 'text', text: '直播摘要' }]))
|
||||
adapter.append(checkpoint(7, 6, { start: 1, end: 3, sourceEventSeqs: [6, 1, 3] }))
|
||||
const nodes = adapter.nodes()
|
||||
// The compacted history is still there; the marker is one more row after it.
|
||||
expect(nodes.map(n => [n.kind, n.seq])).toEqual([['user', 1], ['assistant', 3], ['compaction', 7]])
|
||||
expect(nodes.at(-1)).toMatchObject({ kind: 'compaction', seq: 7, summary: '直播摘要' })
|
||||
})
|
||||
})
|
||||
|
||||
it('returns call:null for a tool-result whose call fell outside the window', () => {
|
||||
const adapter = new TranscriptAdapter()
|
||||
adapter.reset([ev.toolResult(50, 3, 'outside-call', '孤儿结果')])
|
||||
expect(adapter.nodes()[0]).toMatchObject({ kind: 'tool-result', callId: 'outside-call', call: null })
|
||||
})
|
||||
|
||||
it('materializes a tool-result error field when present', () => {
|
||||
const adapter = new TranscriptAdapter()
|
||||
adapter.reset([
|
||||
at(0, { type: 'tool/result', surfaceOp: 'append', data: {
|
||||
turn: 0, step: 0,
|
||||
message: createToolResultMessage({ callId: CallId('c1'), content: [], isError: true }),
|
||||
error: { name: 'Boom', code: 'boom' },
|
||||
} }),
|
||||
])
|
||||
expect(adapter.nodes()[0]).toMatchObject({ kind: 'tool-result', isError: true, error: { code: 'boom' } })
|
||||
})
|
||||
|
||||
it('exposes the in-window call index for runningCalls material', () => {
|
||||
const adapter = new TranscriptAdapter()
|
||||
adapter.reset([ev.toolCall(0, 1, 'c9', 'slow', '{}')])
|
||||
expect(adapter.callIndex.get('c9')).toMatchObject({ name: 'slow', turn: 1 })
|
||||
adapter.append(ev.toolCall(1, 1, 'c10', 'fast', '{}'))
|
||||
expect(adapter.callIndex.size).toBe(2)
|
||||
})
|
||||
|
||||
it('attaches wire views: callView into the call index, resultView onto the node by seq', () => {
|
||||
const adapter = new TranscriptAdapter()
|
||||
const callView = { for: 'call' as const, view: { card: 'terminal' as const, command: 'ls' } }
|
||||
const resultView = { for: 'result' as const, view: { card: 'generic' as const, title: '完成' } }
|
||||
adapter.reset([
|
||||
ev.toolCall(0, 1, 'c1', 'bash', '{"cmd":"ls"}'),
|
||||
ev.toolResult(1, 1, 'c1', 'listing'),
|
||||
], [callView, resultView] as never)
|
||||
expect(adapter.callIndex.get('c1')).toMatchObject({ callView: { card: 'terminal' } })
|
||||
expect(adapter.nodes().find(n => n.kind === 'tool-result')).toMatchObject({
|
||||
callView: { card: 'terminal' }, resultView: { card: 'generic', title: '完成' },
|
||||
})
|
||||
})
|
||||
|
||||
it('attaches views on the live append path and defaults to null without views', () => {
|
||||
const adapter = new TranscriptAdapter()
|
||||
adapter.reset(plainTurn(0, 0, 'a', 'b')) // no views argument
|
||||
adapter.append(ev.toolCall(6, 1, 'c2', 'echo', '{}'), { for: 'call', view: { card: 'generic', title: '回声' } } as never)
|
||||
adapter.append(ev.toolResult(7, 1, 'c2', 'ok')) // no view on the result
|
||||
expect(adapter.callIndex.get('c2')).toMatchObject({ callView: { title: '回声' } })
|
||||
expect(adapter.nodes().find(n => n.kind === 'tool-result')).toMatchObject({
|
||||
callView: { title: '回声' }, resultView: null,
|
||||
})
|
||||
})
|
||||
|
||||
it('leaves callView null when the paired call fell outside the window (cross-page break)', () => {
|
||||
const adapter = new TranscriptAdapter()
|
||||
const resultView = { for: 'result' as const, view: { card: 'generic' as const, title: '孤儿' } }
|
||||
adapter.reset([ev.toolResult(50, 3, 'outside', '窗外配对')], [resultView] as never)
|
||||
expect(adapter.nodes()[0]).toMatchObject({
|
||||
kind: 'tool-result', call: null, callView: null, resultView: { title: '孤儿' },
|
||||
})
|
||||
})
|
||||
|
||||
describe('command lifecycle nodes', () => {
|
||||
it('folds a run/done pair into one settled node merged into flow order by seq', () => {
|
||||
const adapter = new TranscriptAdapter()
|
||||
adapter.reset([
|
||||
ev.user(0, '先说话'),
|
||||
ev.commandRun(1, 'cmd-1', 'plan'),
|
||||
ev.commandDone(2, 'cmd-1', 'success', '已进入 plan mode'),
|
||||
ev.assistant(3, 0, '然后回答'),
|
||||
])
|
||||
const nodes = adapter.nodes()
|
||||
expect(nodes.map(n => [n.kind, n.seq])).toEqual([['user', 0], ['command', 1], ['assistant', 3]])
|
||||
expect(nodes[1]).toMatchObject({
|
||||
kind: 'command', commandId: 'cmd-1', name: 'plan', args: '',
|
||||
outcome: { kind: 'success', text: '已进入 plan mode' },
|
||||
})
|
||||
})
|
||||
|
||||
it('renders a run with no done as still executing (outcome null)', () => {
|
||||
const adapter = new TranscriptAdapter()
|
||||
adapter.reset([ev.commandRun(0, 'cmd-2', 'goal', ' ship it')])
|
||||
expect(adapter.nodes()[0]).toMatchObject({ kind: 'command', name: 'goal', args: ' ship it', outcome: null })
|
||||
})
|
||||
|
||||
it('soft-falls a done-only window into a node built from the done (cross-window cut)', () => {
|
||||
const adapter = new TranscriptAdapter()
|
||||
adapter.reset([ev.commandDone(80, 'cmd-3', 'error', '失败了')])
|
||||
expect(adapter.nodes()[0]).toMatchObject({
|
||||
kind: 'command', seq: 80, commandId: 'cmd-3', name: null, args: null,
|
||||
outcome: { kind: 'error', text: '失败了' },
|
||||
})
|
||||
})
|
||||
|
||||
it('settles a live-appended done in place, keeping the node at the run seq', () => {
|
||||
const adapter = new TranscriptAdapter()
|
||||
adapter.reset(plainTurn(0, 0, 'q', 'a'))
|
||||
adapter.append(ev.commandRun(6, 'cmd-4', 'clear'))
|
||||
const running = adapter.nodes().find(n => n.kind === 'command')
|
||||
expect(running).toMatchObject({ outcome: null })
|
||||
adapter.append(ev.commandDone(7, 'cmd-4'))
|
||||
const settled = adapter.nodes().find(n => n.kind === 'command')
|
||||
expect(settled).toMatchObject({ seq: 6, outcome: { kind: 'success' } })
|
||||
// Settlement replaced the node object rather than mutating the published one.
|
||||
expect(settled).not.toBe(running)
|
||||
})
|
||||
|
||||
it('tails command nodes whose seq is past every transcript node', () => {
|
||||
const adapter = new TranscriptAdapter()
|
||||
adapter.reset([ev.user(0, '问'), ev.commandRun(1, 'cmd-tail', 'plan')])
|
||||
expect(adapter.nodes().map(n => n.kind)).toEqual(['user', 'command'])
|
||||
})
|
||||
|
||||
it('renders the /compact row alongside the marker its own command produced', () => {
|
||||
// The row that reports the compaction is a command node; dropping command
|
||||
// folding would delete it together with every other slash-command row.
|
||||
const adapter = new TranscriptAdapter()
|
||||
adapter.reset([
|
||||
ev.user(0, '压缩前的问题'),
|
||||
ev.commandRun(1, 'cmd-compact', 'compact'),
|
||||
compactSummary(2, [{ type: 'text', text: '手动压缩摘要' }]),
|
||||
checkpoint(3, 2, { start: 0, end: 0, sourceEventSeqs: [2, 0] }),
|
||||
ev.commandDone(4, 'cmd-compact', 'success', '已压缩'),
|
||||
])
|
||||
const nodes = adapter.nodes()
|
||||
expect(nodes.map(n => [n.kind, n.seq])).toEqual([['user', 0], ['command', 1], ['compaction', 3]])
|
||||
expect(nodes[1]).toMatchObject({ name: 'compact', outcome: { kind: 'success', text: '已压缩' } })
|
||||
})
|
||||
})
|
||||
})
|
||||
Reference in New Issue
Block a user