fix(cliproxy): correct sync terminology and add unit tests

- Fix "Remote" → "Local" in sync-dialog.tsx and CLI help text
- Add resetWatcherState() export for test cleanup
- Add unit tests for profile-mapper, local-config-sync, auto-sync-watcher
- Remove unused ModelAlias and AliasesResponse types from hooks

ui/src/components/cliproxy/sync/sync-dialog.tsx

@@ -45,10 +45,10 @@ export function SyncDialog({ open, onOpenChange }: SyncDialogProps) {
         <DialogHeader>
           <DialogTitle className="flex items-center gap-2">
             <Upload className="w-5 h-5" />
-            Sync Profiles to Remote CLIProxy
+            Sync Profiles to Local CLIProxy
           </DialogTitle>
           <DialogDescription>
-            Push your CCS API profiles to the remote CLIProxy server.
+            Sync your CCS API profiles to the local CLIProxy config.yaml.
           </DialogDescription>
         </DialogHeader>
 

ui/src/hooks/use-cliproxy-sync.ts

@@ -49,17 +49,6 @@ export interface SyncResult {
   message?: string;
 }
 
-/** Model alias */
-export interface ModelAlias {
-  from: string;
-  to: string;
-}
-
-/** Aliases response */
-export interface AliasesResponse {
-  aliases: Record<string, ModelAlias[]>;
-}
-
 /**
  * Fetch sync status from API
  */