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fix(ai): accept nullable Anthropic input usage (#43761)

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Aiden Cline 2026-08-20 22:27:16 -05:00 • committed by GitHub
parent e5eabc446d
commit 212139ff95
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2 changed files with 5 additions and 4 deletions
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4
packages/ai/src/protocols/anthropic-messages.ts
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@ -234,7 +234,7 @@ export type AnthropicMessagesBody = Schema.Schema.Type<typeof AnthropicMessagesB
const AnthropicUsage = Schema.StructWithRest(
Schema.Struct({
input_tokens: Schema.optional(Schema.Number),
input_tokens: optionalNull(Schema.Number),
output_tokens: Schema.optional(Schema.Number),
cache_creation_input_tokens: optionalNull(Schema.Number),
cache_read_input_tokens: optionalNull(Schema.Number),
@ -692,7 +692,7 @@ const mapFinishReason = (reason: string | null | undefined): FinishReason => {
// expose that subset through `output_tokens_details.thinking_tokens`.
const mapUsage = (usage: AnthropicUsage | undefined): Usage | undefined => {
if (!usage) return undefined
const nonCached = usage.input_tokens
const nonCached = usage.input_tokens ?? undefined
const cacheRead = usage.cache_read_input_tokens ?? undefined
const cacheWrite = usage.cache_creation_input_tokens ?? undefined
const inputTokens = ProviderShared.sumTokens(nonCached, cacheRead, cacheWrite)

5
packages/ai/test/provider/anthropic-messages.test.ts
View file

@ -640,7 +640,7 @@ describe("Anthropic Messages route", () => {
}),
)
it.effect("maps thinking tokens and preserves unknown Anthropic usage fields", () =>
it.effect("maps nullable input tokens and preserves unknown Anthropic usage fields", () =>
Effect.gen(function* () {
const response = yield* LLMClient.generate(request).pipe(
Effect.provide(
@ -663,6 +663,7 @@ describe("Anthropic Messages route", () => {
type: "message_delta",
delta: { stop_reason: "end_turn" },
usage: {
input_tokens: null,
output_tokens: 8,
server_tool_use: { web_search_requests: 2, terminal_counter: 3 },
output_tokens_details: { terminal_detail: "preserved" },
@ -682,7 +683,7 @@ describe("Anthropic Messages route", () => {
totalTokens: 15,
providerMetadata: {
anthropic: {
input_tokens: 5,
input_tokens: null,
cache_read_input_tokens: 2,
service_tier: "standard",
cache_creation: { ephemeral_5m_input_tokens: 1 },