OmniRoute/open-sse/handlers/chatCore/agentRouterProtocol.ts

/**
 * Per-request AgentRouter protocol decisions kept outside the chatCore orchestration god-file.
 * AgentRouter exposes Claude Messages, OpenAI Chat, and OpenAI Responses as distinct upstream
 * protocols, so its dynamic target format must override the connection's default Claude wire image.
 */

import { isClaudeCodeCompatibleProvider } from "../../services/claudeCodeCompatible.ts";
import { FORMATS } from "../../translator/formats.ts";

export function usesClaudeBridge(
  provider: string,
  targetFormat: string,
  credentials: unknown
): boolean {
  const configuredTargetFormat = (
    credentials as { providerSpecificData?: { targetFormat?: unknown } | null } | null | undefined
  )?.providerSpecificData?.targetFormat;
  const effectiveFormat = provider === "agentrouter" ? targetFormat : configuredTargetFormat;
  return (
    isClaudeCodeCompatibleProvider(provider) &&
    effectiveFormat !== FORMATS.OPENAI &&
    effectiveFormat !== FORMATS.OPENAI_RESPONSES
  );
}

export function stripStore(
  body: Record<string, unknown>,
  provider: string,
  targetFormat: string
): void {
  const supportsStore =
    provider === "openai" ||
    (provider === "agentrouter" && targetFormat === FORMATS.OPENAI_RESPONSES);
  if (!supportsStore && "store" in body) delete body.store;
}