refactor: trim config helper exports

src/config/backup-rotation.ts

@@ -1,15 +1,15 @@
 import path from "node:path";
 
-export const CONFIG_BACKUP_COUNT = 5;
+const CONFIG_BACKUP_COUNT = 5;
 
-export interface BackupRotationFs {
+interface BackupRotationFs {
   unlink: (path: string) => Promise<void>;
   rename: (from: string, to: string) => Promise<void>;
   chmod?: (path: string, mode: number) => Promise<void>;
   readdir?: (path: string) => Promise<string[]>;
 }
 
-export interface BackupMaintenanceFs extends BackupRotationFs {
+interface BackupMaintenanceFs extends BackupRotationFs {
   copyFile: (from: string, to: string) => Promise<void>;
 }
 

src/config/bindings.ts

@@ -9,7 +9,7 @@ export function isRouteBinding(binding: AgentBinding): binding is AgentRouteBind
   return normalizeBindingType(binding) === "route";
 }
 
-export function isAcpBinding(binding: AgentBinding): binding is AgentAcpBinding {
+function isAcpBinding(binding: AgentBinding): binding is AgentAcpBinding {
   return normalizeBindingType(binding) === "acp";
 }
 

src/config/cache-utils.ts

@@ -27,7 +27,7 @@ type ExpiringMapCacheEntry<TValue> = {
   value: TValue;
 };
 
-export type ExpiringMapCache<TKey, TValue> = {
+type ExpiringMapCache<TKey, TValue> = {
   get: (key: TKey) => TValue | undefined;
   set: (key: TKey, value: TValue) => void;
   delete: (key: TKey) => void;
@@ -141,7 +141,7 @@ export function createExpiringMapCache<TKey, TValue>(options: {
   };
 }
 
-export type FileStatSnapshot = {
+type FileStatSnapshot = {
   mtimeMs: number;
   sizeBytes: number;
 };