core: make account login upgrades safe while adding multi-account workspace auth (#15487)

Co-authored-by: Kit Langton <kit.langton@gmail.com>
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

packages/opencode/src/account/index.ts

@@ -0,0 +1,43 @@
+import { Effect, Option, ServiceMap } from "effect"
+
+import {
+  Account as AccountSchema,
+  type AccountError,
+  type AccessToken,
+  AccountID,
+  AccountService,
+  OrgID,
+} from "./service"
+
+export { AccessToken, AccountID, OrgID } from "./service"
+
+import { runtime } from "@/effect/runtime"
+
+type AccountServiceShape = ServiceMap.Service.Shape<typeof AccountService>
+
+function runSync<A>(f: (service: AccountServiceShape) => Effect.Effect<A, AccountError>) {
+  return runtime.runSync(AccountService.use(f))
+}
+
+function runPromise<A>(f: (service: AccountServiceShape) => Effect.Effect<A, AccountError>) {
+  return runtime.runPromise(AccountService.use(f))
+}
+
+export namespace Account {
+  export const Account = AccountSchema
+  export type Account = AccountSchema
+
+  export function active(): Account | undefined {
+    return Option.getOrUndefined(runSync((service) => service.active()))
+  }
+
+  export async function config(accountID: AccountID, orgID: OrgID): Promise<Record<string, unknown> | undefined> {
+    const config = await runPromise((service) => service.config(accountID, orgID))
+    return Option.getOrUndefined(config)
+  }
+
+  export async function token(accountID: AccountID): Promise<AccessToken | undefined> {
+    const token = await runPromise((service) => service.token(accountID))
+    return Option.getOrUndefined(token)
+  }
+}