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fix(jsonl): reject negative-zero timestamps

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Hypatia May
2026-07-24 11:01:08 +08:00
parent 19b96037f6
commit 352934b9ec
2 changed files with 6 additions and 0 deletions
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1
packages/session-persistence/session-persistence-jsonl/src/format.ts
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@@ -86,6 +86,7 @@ function isHeaderLine(value: unknown): value is HeaderLine {
&& typeof (value as { createdAt?: unknown }).createdAt === 'number' && typeof (value as { createdAt?: unknown }).createdAt === 'number'
&& Number.isSafeInteger((value as { createdAt: number }).createdAt) && Number.isSafeInteger((value as { createdAt: number }).createdAt)
&& (value as { createdAt: number }).createdAt >= 0 && (value as { createdAt: number }).createdAt >= 0
&& !Object.is((value as { createdAt: number }).createdAt, -0)
&& typeof (value as { delegationDepth?: unknown }).delegationDepth === 'number' && typeof (value as { delegationDepth?: unknown }).delegationDepth === 'number'
&& Number.isSafeInteger((value as { delegationDepth: number }).delegationDepth) && Number.isSafeInteger((value as { delegationDepth: number }).delegationDepth)
&& (value as { delegationDepth: number }).delegationDepth >= 0 && (value as { delegationDepth: number }).delegationDepth >= 0

5
packages/session-persistence/session-persistence-jsonl/tests/jsonl.spec.ts
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@@ -574,6 +574,11 @@ describe('SessionPersistenceJsonl: scanLog unit', () => {
expect(() => scanLog(Buffer.from(log))).toThrow(/session header/) expect(() => scanLog(Buffer.from(log))).toThrow(/session header/)
}) })
it('rejects a session header with negative-zero createdAt', () => {
const log = '{"type":"session","version":0,"id":"invalid-created-at","createdAt":-0,"delegationDepth":0}\n'
expect(() => scanLog(Buffer.from(log))).toThrow(/session header/)
})
it.each([ it.each([
['missing', undefined], ['missing', undefined],
['a string', '1'], ['a string', '1'],