feat(tanstack-ai): add REST-only byokAlias for stored BYOK keys - #638
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L4Ph wants to merge 5 commits into
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feat(tanstack-ai): add REST-only byokAlias for stored BYOK keys#638L4Ph wants to merge 5 commits into
L4Ph wants to merge 5 commits into
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cf-aig-byok-alias is a provider-passthrough header. Expose it on credentials config so OpenAI, Anthropic, Grok, OpenRouter, and Workers AI gateway REST can select a non-default stored key. The AI binding type omits it because that path does not honor the header for third-party models. Co-authored-by: Cursor <cursoragent@cursor.com>
🦋 Changeset detectedLatest commit: 45b80c3 The changes in this PR will be included in the next version bump. This PR includes changesets to release 1 package
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Gemini is credentials / provider-passthrough only, so cf-aig-byok-alias is honored. Map it through httpOptions.headers like the other cache headers — it never went through createGatewayFetch. Co-authored-by: Cursor <cursoragent@cursor.com>
Restore the original tab style after the previous edit rewrote those files with spaces. Behavior is unchanged. Co-authored-by: Cursor <cursoragent@cursor.com>
Every gateway adapter already intersects AiGatewayConfig. Keep the field there so OpenAI, Anthropic, Grok, OpenRouter, Workers AI, and Gemini share one type. Gemini still maps the header itself because it cannot use createGatewayFetch. Co-authored-by: Cursor <cursoragent@cursor.com>
The previous commit rewrote the file with spaces. Behavior is unchanged. Co-authored-by: Cursor <cursoragent@cursor.com>
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Summary
byokAliason AI Gateway credentials / REST config socreateOpenAiChat,createAnthropicChat,createGeminiChat,createGrokChat,createOpenRouterChat, and Workers AI gateway REST can sendcf-aig-byok-aliasand select a stored BYOK key other thandefault.env.AI.run()/ Unified Billing).httpOptions.headers(Google GenAI SDK has no customfetch).Test plan
pnpm --filter @cloudflare/tanstack-ai exec vitest --run test/gateway-fetch.test.ts test/gateway-adapters.test.ts(66 passed)createGatewayFetchsetscf-aig-byok-aliason the outer requestbyokAliasis forced through the typecreateOpenRouterChat/createOpenAiChat/createAnthropicChatHTTPClient fetchers forward the aliascreateGeminiChatforwards the alias viahttpOptions.headers