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feat(console): proxy keyless Zen requests to new inference per model #53717

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vimtor merged 2 commits into from
Oct 7, 2026
Merged

feat(console): proxy keyless Zen requests to new inference per model #53717

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13ee667
feat(console): proxy keyless Zen requests to new inference per model
vimtor Oct 7, 2026
2f5e178
refactor(console): hardcode anonymous proxy models
vimtor Oct 7, 2026
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11 changes: 8 additions & 3 deletions packages/console/app/src/lib/inference-proxy.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,8 @@ export async function proxyInference(
provider?: "openai" | "anthropic" | "google"
/** The provider's native model ID, not the public Zen alias. */
model?: string
/** Forward keyless requests for this model anonymously instead of serving them here. */
anonymous?: boolean
body: (model?: string) => ReadableStream<Uint8Array>
},
): Promise<Response | undefined> {
Expand All @@ -41,10 +43,11 @@ export async function proxyInference(
: path.startsWith("/google/")
? request.headers.get("x-goog-api-key")
: request.headers.get("authorization")?.split(" ")[1]
if (!key || key === "public") return undefined
const anonymous = !key || key === "public"
if (anonymous && !generation?.anonymous) return undefined

// New Console keys are never in the legacy key table; every legacy key is `sk-`.
const legacy = !key.startsWith("oc_sk_")
const legacy = !anonymous && !key.startsWith("oc_sk_")
const workspace = legacy ? await migratedWorkspace(key, generation?.provider) : undefined
if (legacy && !workspace) return undefined
const model = workspace?.provider ? generation?.model : undefined
Expand Down Expand Up @@ -80,7 +83,9 @@ export async function proxyInference(
"content-length",
])
forwarded.headers.delete(name)
forwarded.headers.set("authorization", `Bearer ${key}`)
// Keyless requests must reach new inference without credentials; `public` is not an API key there.
if (anonymous) for (const name of ["authorization", "x-api-key", "x-goog-api-key"]) forwarded.headers.delete(name)
if (!anonymous) forwarded.headers.set("authorization", `Bearer ${key}`)
forwarded.headers.set("CF-Access-Client-Id", Resource.CLOUDFLARE_ACCESS_CLIENT_ID.value)
const ip = request.headers.get("cf-connecting-ip")
if (ip) forwarded.headers.set("x-zen-ip", ip)
Expand Down
4 changes: 4 additions & 0 deletions packages/console/app/src/routes/zen/util/handler.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,9 @@ type ZenData = Awaited<ReturnType<typeof ZenData.list>>
type PreparedBody = Awaited<ReturnType<typeof prepareRequestBody>>
type BillingSource = "anonymous" | "free" | "byok" | "subscription" | "lite" | "balance"

// Free models whose keyless requests skip legacy checks and go straight to new inference.
const ANONYMOUS_PROXY_MODELS = new Set(["ling-3.1-flash-free", "nemotron-3.5-lightning-free"])

function resolve(text: string, params?: Record<string, string | number>) {
if (!params) return text
return text.replace(/\{\{(\w+)\}\}/g, (raw, key) => {
Expand Down Expand Up @@ -115,6 +118,7 @@ export async function handler(
opts.modelList === "full"
? entry?.providers.find((provider) => provider.id === entry.byokProvider)?.model
: undefined,
anonymous: opts.modelList === "full" && ANONYMOUS_PROXY_MODELS.has(model),
body: (providerModel) => requestBody?.stream(providerModel ?? model, false) ?? body,
}).catch(() => {
void (requestBody ? requestBody.cancel() : body.cancel()).catch(() => {})
Expand Down
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