remove unused config optional hook

packages/cli/src/run/run.ts

@@ -235,6 +235,10 @@ async function renderToolError(part: SessionMessageAssistantTool, directory: str
   UI.println(UI.Style.TEXT_NORMAL + "✗", UI.Style.TEXT_NORMAL + `${info.title} failed`)
 }
 
+function warning(message: string) {
+  UI.println(UI.Style.TEXT_WARNING_BOLD + "!", UI.Style.TEXT_NORMAL, message)
+}
+
 function errorMessage(error: unknown) {
   if (error instanceof Error) return error.message
   if (typeof error === "object" && error !== null && "message" in error && typeof error.message === "string")

packages/tui/src/config/index.tsx

@@ -267,7 +267,3 @@ export function useConfig() {
   if (!value) throw new Error("ConfigProvider is missing")
   return value
 }
-
-export function useConfigOptional() {
-  return useContext(ConfigContext)
-}