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fix(core): recover v2 context overflow (#31005)

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Kit Langton 2026-06-05 16:05:51 -04:00 • committed by GitHub
commit 820c984d47
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18 changed files with 473 additions and 88 deletions
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40
packages/llm/test/executor.test.ts
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@ -73,6 +73,46 @@ const expectLLMError = (error: unknown) => {
const errorHttp = (error: LLMError) => ("http" in error.reason ? error.reason.http : undefined)
describe("RequestExecutor", () => {
it.effect("classifies context overflow responses", () =>
Effect.gen(function* () {
const executor = yield* RequestExecutor.Service
const error = yield* executor.execute(request).pipe(Effect.flip)
expectLLMError(error)
expect(error.reason).toMatchObject({ _tag: "InvalidRequest", classification: "context-overflow" })
}).pipe(
Effect.provide(
responsesLayer([
new Response('{"error":{"code":"context_length_exceeded","message":"prompt too long"}}', {
status: 400,
}),
]),
),
),
)
it.effect("does not classify generic HTTP 413 payload errors as context overflow", () =>
Effect.gen(function* () {
const executor = yield* RequestExecutor.Service
const error = yield* executor.execute(request).pipe(Effect.flip)
expectLLMError(error)
expect(error.reason).toMatchObject({ _tag: "InvalidRequest" })
expect("classification" in error.reason ? error.reason.classification : undefined).toBeUndefined()
}).pipe(Effect.provide(responsesLayer([new Response("request too large", { status: 413 })]))),
)
it.effect("does not classify ordinary invalid requests as context overflow", () =>
Effect.gen(function* () {
const executor = yield* RequestExecutor.Service
const error = yield* executor.execute(request).pipe(Effect.flip)
expectLLMError(error)
expect(error.reason).toMatchObject({ _tag: "InvalidRequest" })
expect("classification" in error.reason ? error.reason.classification : undefined).toBeUndefined()
}).pipe(Effect.provide(responsesLayer([new Response("invalid parameter", { status: 400 })]))),
)
it.effect("returns redacted diagnostics for retryable rate limits", () =>
Effect.gen(function* () {
const executor = yield* RequestExecutor.Service