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fix(ai): support long cache retention compat

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closes #3543
This commit is contained in:
Mario Zechner
2026-04-23 23:43:34 +02:00
parent 1312346199
commit 4cd4cfd98e
11 changed files with 331 additions and 29 deletions
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31
packages/ai/src/providers/openai-responses.ts
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@@ -8,6 +8,7 @@ import type {
CacheRetention,
Context,
Model,
OpenAIResponsesCompat,
SimpleStreamOptions,
StreamFunction,
StreamOptions,
@@ -35,18 +36,18 @@ function resolveCacheRetention(cacheRetention?: CacheRetention): CacheRetention
return "short";
}
/**
* Get prompt cache retention based on cacheRetention and base URL.
* Only applies to direct OpenAI API calls (api.openai.com).
*/
function getPromptCacheRetention(baseUrl: string, cacheRetention: CacheRetention): "24h" | undefined {
if (cacheRetention !== "long") {
return undefined;
}
if (baseUrl.includes("api.openai.com")) {
return "24h";
}
return undefined;
function getCompat(model: Model<"openai-responses">): Required<OpenAIResponsesCompat> {
return {
sendSessionIdHeader: model.compat?.sendSessionIdHeader ?? true,
supportsLongCacheRetention: model.compat?.supportsLongCacheRetention ?? true,
};
}
function getPromptCacheRetention(
compat: Required<OpenAIResponsesCompat>,
cacheRetention: CacheRetention,
): "24h" | undefined {
return cacheRetention === "long" && compat.supportsLongCacheRetention ? "24h" : undefined;
}
// OpenAI Responses-specific options
@@ -169,6 +170,7 @@ function createClient(
apiKey = process.env.OPENAI_API_KEY;
}
const compat = getCompat(model);
const headers = { ...model.headers };
if (model.provider === "github-copilot") {
const hasImages = hasCopilotVisionInput(context.messages);
@@ -180,7 +182,7 @@ function createClient(
}
if (sessionId) {
if (model.compat?.sendSessionIdHeader !== false) {
if (compat.sendSessionIdHeader) {
headers.session_id = sessionId;
}
headers["x-client-request-id"] = sessionId;
@@ -203,12 +205,13 @@ function buildParams(model: Model<"openai-responses">, context: Context, options
const messages = convertResponsesMessages(model, context, OPENAI_TOOL_CALL_PROVIDERS);
const cacheRetention = resolveCacheRetention(options?.cacheRetention);
const compat = getCompat(model);
const params: ResponseCreateParamsStreaming = {
model: model.id,
input: messages,
stream: true,
prompt_cache_key: cacheRetention === "none" ? undefined : options?.sessionId,
prompt_cache_retention: getPromptCacheRetention(model.baseUrl, cacheRetention),
prompt_cache_retention: getPromptCacheRetention(compat, cacheRetention),
store: false,
};