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fix(anthropic-compatible): send Claude beta flags to nodes fronting Anthropic (#3797)

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Federico Liva
2026-09-05 21:25:28 +07:00
committed by decolua
parent 28cfd9facf
commit fb9fab0206
2 changed files with 52 additions and 1 deletions
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13
open-sse/executors/default.js
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@@ -154,7 +154,18 @@ export class DefaultExecutor extends BaseExecutor {
for (const hook of desc.hooks || []) HEADER_HOOKS[hook]?.(headers, credentials);
applyAuth(headers, desc, credentials);
if (this.provider === "claude" && model) {
// anthropic-compatible-* nodes serving a real Claude model sit in front of
// Anthropic itself (a rotating multi-account proxy, a corporate gateway),
// so the request needs the same beta flags the `claude` provider sends:
// without `context-management-2025-06-27` upstream rejects the
// `context_management` block Claude Code puts in every request with
// "context_management: Extra inputs are not permitted" (HTTP 400), and the
// combo silently falls through to the next model. The model id gates this:
// a node fronting Kimi or GLM answers on its own ids and never matches, so
// gateways that would choke on unknown beta flags are left untouched.
const isClaudeModel = typeof model === "string" && /^claude-/.test(model);
if (model && (this.provider === "claude"
|| (this.provider?.startsWith?.("anthropic-compatible-") && isClaudeModel))) {
headers["Anthropic-Beta"] = selectAnthropicBeta(model);
}