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refactor(session): route construction through Session.create

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This commit is contained in:
imccyu
2026-08-04 18:41:07 +08:00
parent c7f693aa40
commit 8cbdd5b9d0
61 changed files with 305 additions and 292 deletions
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14
packages/core/session/tests/derived-cache.spec.ts
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@@ -16,12 +16,12 @@ function userText(session: Session, text: string): void {
/** From-scratch oracle: replay the log into a fresh session and derive. */
function scratch(session: Session): unknown {
return new Session(SessionId(`${session.id}-scratch-${session.seq}`), [...session.events]).deriveMessages()
return Session.create(SessionId(`${session.id}-scratch-${session.seq}`), [...session.events]).deriveMessages()
}
describe('derived-message cache', () => {
it('stays deep-equal to a from-scratch replay derivation as the log grows', () => {
const session = new Session(SessionId('cache-grow'))
const session = Session.create(SessionId('cache-grow'))
session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } })
userText(session, 'one')
expect(session.deriveMessages()).toEqual(scratch(session))
@@ -54,7 +54,7 @@ describe('derived-message cache', () => {
})
it('rebuilds on a surface replace and still matches scratch', () => {
const session = new Session(SessionId('cache-replace'))
const session = Session.create(SessionId('cache-replace'))
session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } })
userText(session, 'one')
userText(session, 'two')
@@ -72,7 +72,7 @@ describe('derived-message cache', () => {
})
it('returns a fresh array per call: later appends never grow a held snapshot', () => {
const session = new Session(SessionId('cache-snapshot'))
const session = Session.create(SessionId('cache-snapshot'))
session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } })
userText(session, 'one')
const first = session.deriveMessages()
@@ -89,7 +89,7 @@ describe('derived-message cache', () => {
describe('Session.deriveEventMessage — the per-event projection', () => {
it('projects one appended event exactly as the full derivation projects its node', () => {
const session = new Session(SessionId('per-event'))
const session = Session.create(SessionId('per-event'))
session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } })
const event = session.append('user/message', createUserMessage({
content: [{ type: 'text', text: 'hi' }], source: { kind: 'user' },
@@ -99,7 +99,7 @@ describe('Session.deriveEventMessage — the per-event projection', () => {
})
it('reuses the logged event\'s already frozen content', () => {
const session = new Session(SessionId('per-event-clone'))
const session = Session.create(SessionId('per-event-clone'))
session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } })
const event = session.append('user/message', createUserMessage({
content: [{ type: 'text', text: 'orig' }], source: { kind: 'user' },
@@ -113,7 +113,7 @@ describe('Session.deriveEventMessage — the per-event projection', () => {
})
it('projects null for events that produce no message (boundaries, empty assistant)', () => {
const session = new Session(SessionId('per-event-null'))
const session = Session.create(SessionId('per-event-null'))
session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } })
const boundary = session.append('step/start', { turn: 1, step: 1 })
expect(session.deriveEventMessage(boundary)).toBeNull()