fix(plugin-sdk): restore compat auth helper exports

src/plugin-sdk/compat.ts

@@ -22,6 +22,14 @@ export { resolveControlCommandGate } from "../channels/command-gating.js";
 export { delegateCompactionToRuntime } from "../context-engine/delegate.js";
 export type { DiagnosticEventPayload } from "../infra/diagnostic-events.js";
 export { onDiagnosticEvent } from "../infra/diagnostic-events.js";
+export {
+  applyAuthProfileConfig,
+  buildApiKeyCredential,
+  upsertApiKeyProfile,
+  writeOAuthCredentials,
+  type ApiKeyStorageOptions,
+  type WriteOAuthCredentialsOptions,
+} from "../plugins/provider-auth-helpers.js";
 
 export { createAccountStatusSink } from "./channel-lifecycle.core.js";
 export { createPluginRuntimeStore } from "./runtime-store.js";

src/plugin-sdk/provider-auth-api-key.ts

@@ -13,7 +13,12 @@ export {
   promptSecretRefForSetup,
   resolveSecretInputModeForEnvSelection,
 } from "../plugins/provider-auth-input.js";
-export { applyAuthProfileConfig, buildApiKeyCredential } from "../plugins/provider-auth-helpers.js";
+export {
+  applyAuthProfileConfig,
+  buildApiKeyCredential,
+  upsertApiKeyProfile,
+  type ApiKeyStorageOptions,
+} from "../plugins/provider-auth-helpers.js";
 export { createProviderApiKeyAuthMethod } from "../plugins/provider-api-key-auth.js";
 export {
   normalizeOptionalSecretInput,

src/plugin-sdk/provider-auth.ts

@@ -40,7 +40,14 @@ export {
   buildTokenProfileId,
   validateAnthropicSetupToken,
 } from "../plugins/provider-auth-token.js";
-export { applyAuthProfileConfig, buildApiKeyCredential } from "../plugins/provider-auth-helpers.js";
+export {
+  applyAuthProfileConfig,
+  buildApiKeyCredential,
+  upsertApiKeyProfile,
+  writeOAuthCredentials,
+  type ApiKeyStorageOptions,
+  type WriteOAuthCredentialsOptions,
+} from "../plugins/provider-auth-helpers.js";
 export { createProviderApiKeyAuthMethod } from "../plugins/provider-api-key-auth.js";
 export { coerceSecretRef } from "../config/types.secrets.js";
 export { resolveDefaultSecretProviderAlias } from "../secrets/ref-contract.js";