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fix(apiproxy): harden cold session metadata probing

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This commit is contained in:
_Kerman
2026-08-13 15:09:21 +08:00
parent c4226840f4
commit 2be3e12965
18 changed files with 138 additions and 131 deletions
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2
packages/core/session/src/index.ts
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@@ -26,7 +26,7 @@ export type { SessionPreparationOptions } from './preparation.ts'
export type { AssistantMessage, ToolResultMessage, UserMessage } from '@deepseek-ai/dsh-llm'
export { isJsonValue, snapshotJsonValue } from './json.ts'
export type { JsonValue } from './json.ts'
export { interruptedTurnClosers, lastActivityTime, TOOL_NOT_STARTED, TOOL_OUTCOME_UNKNOWN } from './repair.ts'
export { interruptedTurnClosers, TOOL_NOT_STARTED, TOOL_OUTCOME_UNKNOWN } from './repair.ts'
export { decodeStorageRecord, packChunkRuns } from './chunk-rows.ts'
export type { ChunkRow, StorageRecord } from './chunk-rows.ts'
export type { SessionSurface, SurfaceFoldReplacement, SurfaceFoldResult } from './surface.ts'

21
packages/core/session/src/repair.ts
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@@ -1,10 +1,7 @@
/**
* Crash-recovery repair for an interrupted session log. It preserves a fully
* written final turn and supplies the missing tool, step, and turn boundaries
* needed to resume with a provider-valid transcript, plus the activity-time
* read that must skip the end-seed boundary — which this module does
* not write (`Session`'s constructor does) but whose synthetic closers can
* inherit that boundary's timestamp, the one real coupling between the two.
* needed to resume with a provider-valid transcript.
* @module @deepseek-ai/dsh-session/repair
*/
@@ -12,22 +9,6 @@ import { MessageId, freezeMessage, type CallId } from '@deepseek-ai/dsh-llm'
import type { ToolResultMessage } from '@deepseek-ai/dsh-llm'
import type { SessionEvent } from './types.ts'
/**
* The `time` of the log's last event representing actual work, skipping the
* `session/end-seed` boundary — picking a session up is not activity, so
* activity ordering must exclude it.
*
* Excluded by type, so a pickup time still leaks when a boundary is the last
* event of an open turn: {@link interruptedTurnClosers} copies it onto the
* synthetic `turn/end`, which this counts as work. Reachable only by seeding an
* unbalanced log directly — `load()` balances first.
* @param events - the log to scan, in seq order.
* @returns the latest non-boundary event's `time`, or undefined when there is none.
*/
export function lastActivityTime(events: readonly SessionEvent[]): number | undefined {
return events.findLast(event => event.type !== 'session/end-seed')?.time
}
/** Recovery code for an assistant tool request that never reached a recorded call start. */
export const TOOL_NOT_STARTED = 'TOOL_NOT_STARTED'