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refactor(session): make surface the sole derivation path, drop legacy fallback

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Hypatia May
2026-06-23 13:05:59 +08:00
parent 09d497d5c5
commit 6089e226bc
11 changed files with 87 additions and 145 deletions
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8
packages/session-persistence/session-persistence-jsonl/tests/jsonl.spec.ts
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@@ -276,8 +276,8 @@ describe('SessionPersistenceJsonl: write path (session/event → flush)', () =>
const a = ctx.sessions.create(SessionId('sa'))
const b = ctx.sessions.create(SessionId('sb'))
a.append('user/message', { content: [{ type: 'text', text: 'A' }], source: { kind: 'user' } })
b.append('user/message', { content: [{ type: 'text', text: 'B' }], source: { kind: 'user' } })
a.append('user/message', { content: [{ type: 'text', text: 'A' }], source: { kind: 'user' } }, { surfaceOp: 'append' })
b.append('user/message', { content: [{ type: 'text', text: 'B' }], source: { kind: 'user' } }, { surfaceOp: 'append' })
a.append('turn/end', { turn: 1, reason: { kind: 'completed' } })
b.append('turn/end', { turn: 1, reason: { kind: 'completed' } })
await ctx.parallel('session/flush', a)
@@ -647,7 +647,7 @@ describe('SessionPersistenceJsonl: edge cases', () => {
await ctx2.plugin(SessionPersistenceJsonl, { root })
const session = ctx2.sessions.create(SessionId('flush-fail'))
// A full turn lands in the write-behind buffer.
session.append('user/message', { content: [{ type: 'text', text: 'hi' }], source: { kind: 'user' } })
session.append('user/message', { content: [{ type: 'text', text: 'hi' }], source: { kind: 'user' } }, { surfaceOp: 'append' })
session.append('turn/end', { turn: 1, reason: { kind: 'completed' } })
// Make the durable materialize fail on the next flush.
const backend = ctx2.sessionPersistence as unknown as { materialize: (...args: unknown[]) => Promise<void> }
@@ -695,7 +695,7 @@ describe('SessionPersistenceJsonl: edge cases', () => {
// can never diverge from the live log. The throw surfaces at the caller's
// append site, not asynchronously in a backend flush.
expect(() => {
session.append('user/message', { content: [{ type: 'text', text: 'bad' }], source: { kind: 'user' }, bad: 1n } as never)
session.append('user/message', { content: [{ type: 'text', text: 'bad' }], source: { kind: 'user' }, bad: 1n } as never, { surfaceOp: 'append' })
}).toThrow(/non-JSON-serializable/)
// The bad event was rejected, so the log stayed empty.
expect(session.events.length).toBe(0)