fix(cliproxy): show clear message for paused accounts in Live Monitor

- Check isAccountPaused() before readAuthData() in fetchAccountQuota()
- Return "Account is paused" instead of confusing "Auth file not found"
- Improves UX by explaining why quota fetch fails for paused accounts

src/cliproxy/quota-fetcher.ts

@@ -11,6 +11,7 @@ import { getAuthDir } from './config-generator';
 import { CLIProxyProvider } from './types';
 import {
   getProviderAccounts,
+  isAccountPaused,
   setAccountTier,
   type AccountInfo,
   type AccountTier,
@@ -553,6 +554,18 @@ export async function fetchAccountQuota(
     };
   }
 
+  // Check if account is paused (token moved to auth-paused/ directory)
+  if (isAccountPaused(provider, accountId)) {
+    const error = 'Account is paused';
+    if (verbose) console.error(`[i] ${error}`);
+    return {
+      success: false,
+      models: [],
+      lastUpdated: Date.now(),
+      error,
+    };
+  }
+
   // Read auth data from auth file
   const authData = readAuthData(provider, accountId);
   if (!authData) {