perf improvements + /login fix

src/services/tools/toolOrchestration.ts

@@ -4,12 +4,10 @@ import { findToolByName, type ToolUseContext } from '../../Tool.js'
 import type { AssistantMessage, Message } from '../../types/message.js'
 import { all } from '../../utils/generators.js'
 import { type MessageUpdateLazy, runToolUse } from './toolExecution.js'
-
-function getMaxToolUseConcurrency(): number {
-  return (
-    parseInt(process.env.CLAUDE_CODE_MAX_TOOL_USE_CONCURRENCY || '', 10) || 10
-  )
-}
+export {
+  DEFAULT_MAX_TOOL_USE_CONCURRENCY,
+  getMaxToolUseConcurrency,
+} from './toolConcurrency.js'
 
 export type MessageUpdate = {
   message?: Message