core: cleanup from simplify review

- Remove unused AccountRepoError import from service.ts
- Replace Bun.sleep with setTimeout in providers.ts
- Parallelize Account.config() + Account.token() in config startup

packages/opencode/src/account/service.ts

@@ -14,7 +14,6 @@ import {
   AccessToken,
   Account,
   AccountID,
-  AccountRepoError,
   AccountServiceError,
   Login,
   Org,

packages/opencode/src/cli/cmd/providers.ts

@@ -33,7 +33,7 @@ async function handlePluginAuth(plugin: { auth: PluginAuth }, provider: string):
   }
   const method = plugin.auth.methods[index]
 
-  await Bun.sleep(10)
+  await new Promise((r) => setTimeout(r, 10))
   const inputs: Record<string, string> = {}
   if (method.prompts) {
     for (const prompt of method.prompts) {

packages/opencode/src/config/config.ts

@@ -178,8 +178,10 @@ export namespace Config {
     const active = Account.active()
     if (active?.active_org_id) {
       try {
-        const config = await Account.config(active.id, active.active_org_id)
-        const token = await Account.token(active.id)
+        const [config, token] = await Promise.all([
+          Account.config(active.id, active.active_org_id),
+          Account.token(active.id),
+        ])
         if (token) {
           process.env["OPENCODE_CONSOLE_TOKEN"] = token
           Env.set("OPENCODE_CONSOLE_TOKEN", token)