Added a wallet indicator for Ostris Cloud

ui/src/app/api/ostris_cloud/route.ts

@@ -0,0 +1,38 @@
+import { NextResponse } from 'next/server';
+
+export async function GET() {
+  const appUrl = process.env.OSTRIS_CLOUD_APP_URL;
+  const apiKey = process.env.OSTRIS_CLOUD_API_KEY;
+
+  if (!appUrl || !apiKey) {
+    return NextResponse.json({ enabled: false });
+  }
+
+  try {
+    const res = await fetch(`${appUrl}/api/machine/me`, {
+      headers: { Authorization: `Bearer ${apiKey}` },
+      cache: 'no-store',
+    });
+
+    if (!res.ok) {
+      return NextResponse.json({
+        enabled: true,
+        appUrl,
+        error: `Ostris Cloud responded with ${res.status}`,
+      });
+    }
+
+    const data = await res.json();
+    return NextResponse.json({
+      enabled: true,
+      appUrl,
+      balance: data.balance ?? null,
+    });
+  } catch (error) {
+    return NextResponse.json({
+      enabled: true,
+      appUrl,
+      error: `Failed to fetch Ostris Cloud balance: ${error instanceof Error ? error.message : String(error)}`,
+    });
+  }
+}

ui/src/components/OstrisCloudBalance.tsx

@@ -0,0 +1,76 @@
+'use client';
+
+import { useEffect, useState } from 'react';
+import { Wallet } from 'lucide-react';
+import { apiClient } from '@/utils/api';
+
+interface BalanceResponse {
+  enabled: boolean;
+  appUrl?: string;
+  balance?: {
+    units: string;
+    usd: number;
+  } | null;
+  error?: string;
+}
+
+export default function OstrisCloudBalance() {
+  const [data, setData] = useState<BalanceResponse | null>(null);
+
+  useEffect(() => {
+    let cancelled = false;
+
+    const fetchBalance = async () => {
+      try {
+        const res = await apiClient.get<BalanceResponse>('/api/ostris_cloud');
+        if (!cancelled) setData(res.data);
+      } catch {
+        // ignore — keep last known value
+      }
+    };
+
+    fetchBalance();
+    const interval = setInterval(fetchBalance, 60_000);
+
+    return () => {
+      cancelled = true;
+      clearInterval(interval);
+    };
+  }, []);
+
+  if (!data || !data.enabled || !data.appUrl) return null;
+
+  const usd = data.balance?.usd;
+  const hasAmount = typeof usd === 'number';
+  const display = hasAmount
+    ? usd.toLocaleString(undefined, {
+        style: 'currency',
+        currency: 'USD',
+        minimumFractionDigits: 2,
+        maximumFractionDigits: 2,
+      })
+    : null;
+
+  return (
+    <a
+      href={`${data.appUrl}/billing`}
+      target="_blank"
+      rel="noreferrer"
+      className="block px-4 py-2 hover:bg-gray-800 transition-colors"
+    >
+      <div className="flex items-center justify-between">
+        <div className="flex items-center gap-2">
+          <Wallet className="w-4 h-4 text-blue-400" />
+          <span className="text-[11px] uppercase tracking-wide text-gray-400">
+            <span className="font-extrabold">Ostris</span> <span className="font-thin">Cloud</span>
+          </span>
+        </div>
+        {display ? (
+          <span className="text-xs font-medium text-gray-100 tabular-nums">{display}</span>
+        ) : (
+          <span className="inline-block h-3 w-10 rounded bg-gray-700 animate-pulse" aria-label="Loading balance" />
+        )}
+      </div>
+    </a>
+  );
+}

ui/src/components/Sidebar.tsx

@@ -9,6 +9,7 @@ import { createGlobalState } from 'react-global-hooks';
 import ThemeToggle from './ThemeToggle';
 import ThemeLogo from './ThemeLogo';
 import ActiveJobWidget from './ActiveJobWidget';
+import OstrisCloudBalance from './OstrisCloudBalance';
 
 export const mobileSidebarState = createGlobalState<boolean>(false);
 
@@ -61,6 +62,7 @@ const Sidebar = () => {
           <X className="w-5 h-5" />
         </button>
       </div>
+      <OstrisCloudBalance />
       <nav className="flex-1">
         <ul className="px-2 py-4 space-y-2">
           {navigation.map(item => (