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fix(ai): finalize cloudflare gateway provider support

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This commit is contained in:
Mario Zechner
2026-05-01 00:56:05 +02:00
parent 24fb6b833b
commit a45577bd00
19 changed files with 1086 additions and 768 deletions
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51
packages/ai/src/providers/anthropic.ts
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@@ -32,6 +32,7 @@ import { headersToRecord } from "../utils/headers.js";
import { parseJsonWithRepair, parseStreamingJson } from "../utils/json-parse.js";
import { sanitizeSurrogates } from "../utils/sanitize-unicode.js";
import { resolveCloudflareBaseUrl } from "./cloudflare.js";
import { buildCopilotDynamicHeaders, hasCopilotVisionInput } from "./github-copilot-headers.js";
import { adjustMaxTokensForThinking, buildBaseOptions } from "./simple-options.js";
import { transformMessages } from "./transform-messages.js";
@@ -215,8 +216,8 @@ export interface AnthropicOptions extends StreamOptions {
client?: Anthropic;
}
function mergeHeaders(...headerSources: (Record<string, string> | undefined)[]): Record<string, string> {
const merged: Record<string, string> = {};
function mergeHeaders(...headerSources: (Record<string, string | null> | undefined)[]): Record<string, string | null> {
const merged: Record<string, string | null> = {};
for (const headers of headerSources) {
if (headers) {
Object.assign(merged, headers);
@@ -772,17 +773,39 @@ function createClient(
// Adaptive thinking models (Opus 4.6, Sonnet 4.6) have interleaved thinking built-in.
// The beta header is deprecated on Opus 4.6 and redundant on Sonnet 4.6, so skip it.
const needsInterleavedBeta = interleavedThinking && !supportsAdaptiveThinking(model.id);
const betaFeatures: string[] = [];
if (useFineGrainedToolStreamingBeta) {
betaFeatures.push(FINE_GRAINED_TOOL_STREAMING_BETA);
}
if (needsInterleavedBeta) {
betaFeatures.push(INTERLEAVED_THINKING_BETA);
}
if (model.provider === "cloudflare-ai-gateway") {
const client = new Anthropic({
apiKey: null,
authToken: null,
baseURL: resolveCloudflareBaseUrl(model),
dangerouslyAllowBrowser: true,
defaultHeaders: mergeHeaders(
{
accept: "application/json",
"anthropic-dangerous-direct-browser-access": "true",
"cf-aig-authorization": `Bearer ${apiKey}`,
"x-api-key": null,
Authorization: null,
...(betaFeatures.length > 0 ? { "anthropic-beta": betaFeatures.join(",") } : {}),
},
model.headers,
optionsHeaders,
),
});
return { client, isOAuthToken: false };
}
// Copilot: Bearer auth, selective betas.
if (model.provider === "github-copilot") {
const betaFeatures: string[] = [];
if (useFineGrainedToolStreamingBeta) {
betaFeatures.push(FINE_GRAINED_TOOL_STREAMING_BETA);
}
if (needsInterleavedBeta) {
betaFeatures.push(INTERLEAVED_THINKING_BETA);
}
const client = new Anthropic({
apiKey: null,
authToken: apiKey,
@@ -803,14 +826,6 @@ function createClient(
return { client, isOAuthToken: false };
}
const betaFeatures: string[] = [];
if (useFineGrainedToolStreamingBeta) {
betaFeatures.push(FINE_GRAINED_TOOL_STREAMING_BETA);
}
if (needsInterleavedBeta) {
betaFeatures.push(INTERLEAVED_THINKING_BETA);
}
// OAuth: Bearer auth, Claude Code identity headers
if (isOAuthToken(apiKey)) {
const client = new Anthropic({