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fix: cancel exact session observations

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Hypatia May
2026-07-24 20:08:38 +08:00
parent 66585635c8
commit 04c8a17de5
12 changed files with 328 additions and 37 deletions
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21
packages/session-query/session-query/src/index.ts
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@@ -272,22 +272,26 @@ export abstract class SessionQueryService extends Service {
/**
* Trace known ancestry and descendants from one corpus observation.
* @param sessionId - logical session id to trace.
* @param signal - optional cancellation for persistence listing.
* @returns a complete lineage or an explicit unresolved parent boundary.
* @throws when corpus resolution fails, the target is absent, or its known ancestry cycles.
*/
async traceSession(sessionId: SessionId): Promise<SessionLineageTrace> {
const records = await this._corpus.listSessions()
async traceSession(sessionId: SessionId, signal?: AbortSignal): Promise<SessionLineageTrace> {
const records = await this._corpus.listSessions(signal)
signal?.throwIfAborted()
return tracing.traceSession(records, sessionId)
}
/**
* Trace one event's direct positional and provenance relationships.
* @param request - target session id and event seq.
* @param signal - optional cancellation for persisted source resolution.
* @returns source header, direct links, and the target's positional replacement chain.
* @throws when source resolution fails, the target is absent, or surface/provenance validation fails.
*/
async traceEvent(request: SessionEventTraceRequest): Promise<SessionEventTraceObservation> {
const loaded = await this._corpus.load(request.sessionId)
async traceEvent(request: SessionEventTraceRequest, signal?: AbortSignal): Promise<SessionEventTraceObservation> {
const loaded = await this._corpus.load(request.sessionId, signal)
signal?.throwIfAborted()
return {
session: loaded.header,
...tracing.traceEvent(request.sessionId, loaded.events, request.seq),
@@ -297,14 +301,15 @@ export abstract class SessionQueryService extends Service {
/**
* Read one full event plus a bounded raw-log context window.
* @param request - target session/seq and context sizes.
* @param signal - optional cancellation for persisted source resolution.
* @returns cloned target and neighboring events.
*/
async readEvent(request: SessionEventReadRequest): Promise<SessionEventWindow> {
async readEvent(request: SessionEventReadRequest, signal?: AbortSignal): Promise<SessionEventWindow> {
const before = this._readWindow('before', request.before)
const after = this._readWindow('after', request.after)
const sessionId = request.sessionId
const seq = request.seq
return this._readEvent(sessionId, seq, before, after)
return this._readEvent(sessionId, seq, before, after, signal)
}
private async _readEvent(
@@ -312,8 +317,10 @@ export abstract class SessionQueryService extends Service {
seq: number,
before: number,
after: number,
signal?: AbortSignal,
): Promise<SessionEventWindow> {
const loaded = await this._corpus.load(sessionId)
const loaded = await this._corpus.load(sessionId, signal)
signal?.throwIfAborted()
const target = loaded.events[seq]
if (target === undefined || target.seq !== seq) {
throw new SessionQueryError(