feat(ui): add tier badges to account cards

- flow-viz: inline tier badge (ULTRA/PRO) with violet/yellow colors

- provider-editor: tier badge on avatar corner (U/P)

- subtle design with low opacity backgrounds

ui/src/components/account/flow-viz/account-card.tsx

@@ -99,6 +99,10 @@ export function AccountCard({
   // Show minimum quota of Claude models (primary), fallback to min of all models
   const minQuota = quota?.success ? getMinClaudeQuota(quota.models) : null;
 
+  // Tier badge (AGY only) - show P for Pro, U for Ultra
+  const showTierBadge =
+    isAgy && account.tier && account.tier !== 'unknown' && account.tier !== 'free';
+
   return (
     <div
       data-account-index={originalIndex}
@@ -124,16 +128,33 @@ export function AccountCard({
         transform: `translate(${offset.x}px, ${offset.y}px)${isDragging ? ' scale(1.05)' : ''}`,
       }}
     >
-      <GripVertical className="absolute top-2 right-2 w-4 h-4 text-muted-foreground/40" />
-      <div className="flex items-center gap-1.5 mb-1 mr-4">
-        <span
-          className={cn(
-            'text-xs font-semibold text-foreground tracking-tight truncate max-w-[100px]',
-            privacyMode && PRIVACY_BLUR_CLASS
+      {/* Header row: Email + Tier | Pause button | Drag handle */}
+      <div className="flex items-center gap-1.5 mb-1">
+        {/* Email with tier badge inline */}
+        <div className="flex items-center gap-1.5 flex-1 min-w-0">
+          <span
+            className={cn(
+              'text-xs font-semibold text-foreground tracking-tight truncate',
+              privacyMode && PRIVACY_BLUR_CLASS
+            )}
+          >
+            {cleanEmail(account.email)}
+          </span>
+          {showTierBadge && (
+            <span
+              className={cn(
+                'text-[7px] font-bold uppercase tracking-wide px-1 py-px rounded shrink-0',
+                account.tier === 'ultra'
+                  ? 'bg-violet-500/15 text-violet-600 dark:bg-violet-500/25 dark:text-violet-300'
+                  : 'bg-yellow-500/15 text-yellow-700 dark:bg-yellow-500/20 dark:text-yellow-400'
+              )}
+            >
+              {account.tier}
+            </span>
           )}
-        >
-          {cleanEmail(account.email)}
-        </span>
+        </div>
+
+        {/* Pause/Resume button */}
         {onPauseToggle && (
           <TooltipProvider>
             <Tooltip>
@@ -167,7 +188,11 @@ export function AccountCard({
             </Tooltip>
           </TooltipProvider>
         )}
+
+        {/* Drag handle */}
+        <GripVertical className="w-4 h-4 text-muted-foreground/40 shrink-0" />
       </div>
+
       <AccountCardStats
         success={account.successCount}
         failure={account.failureCount}

ui/src/components/cliproxy/provider-editor/account-item.tsx

@@ -179,13 +179,30 @@ export function AccountItem({
               </Tooltip>
             </TooltipProvider>
           )}
-          <div
-            className={cn(
-              'flex items-center justify-center w-8 h-8 rounded-full',
-              account.isDefault ? 'bg-primary/10' : 'bg-muted'
+          {/* Avatar with tier badge overlay */}
+          <div className="relative shrink-0">
+            <div
+              className={cn(
+                'flex items-center justify-center w-8 h-8 rounded-full',
+                account.isDefault ? 'bg-primary/10' : 'bg-muted'
+              )}
+            >
+              <User className="w-4 h-4" />
+            </div>
+            {/* Tier badge - fixed position on avatar */}
+            {account.tier && account.tier !== 'unknown' && account.tier !== 'free' && (
+              <span
+                className={cn(
+                  'absolute -bottom-0.5 -right-0.5 text-[7px] font-bold uppercase px-1 py-px rounded',
+                  'ring-1 ring-background',
+                  account.tier === 'ultra'
+                    ? 'bg-violet-500/20 text-violet-600 dark:bg-violet-500/30 dark:text-violet-300'
+                    : 'bg-yellow-500/20 text-yellow-700 dark:bg-yellow-500/25 dark:text-yellow-400'
+                )}
+              >
+                {account.tier === 'ultra' ? 'U' : 'P'}
+              </span>
             )}
-          >
-            <User className="w-4 h-4" />
           </div>
           <div className="min-w-0 flex-1">
             <div className="flex items-center gap-2">
@@ -200,18 +217,6 @@ export function AccountItem({
                   Default
                 </Badge>
               )}
-              {account.tier && account.tier !== 'unknown' && (
-                <Badge
-                  variant="outline"
-                  className={cn(
-                    'text-[10px] h-4 px-1.5 uppercase',
-                    account.tier === 'paid' && 'border-blue-500 text-blue-600',
-                    account.tier === 'free' && 'border-gray-400 text-gray-500'
-                  )}
-                >
-                  {account.tier}
-                </Badge>
-              )}
               {account.paused && (
                 <Badge
                   variant="outline"