Improve byte formatting across the UI

src/lib/3proxy.test.ts

@@ -13,10 +13,16 @@ describe('formatBytes', () => {
     expect(formatBytes(-50)).toBe('0 B');
   });
 
-  it('formats megabytes and gigabytes with stable precision', () => {
+  it('formats kilobytes, megabytes, and gigabytes with stable precision', () => {
+    expect(formatBytes(122589)).toBe('119.7 KB');
     expect(formatBytes(10 * 1024 * 1024)).toBe('10.0 MB');
     expect(formatBytes(2.5 * 1024 * 1024 * 1024)).toBe('2.50 GB');
   });
+
+  it('scales cleanly through terabytes and petabytes', () => {
+    expect(formatBytes(3.2 * 1024 ** 4)).toBe('3.20 TB');
+    expect(formatBytes(1.25 * 1024 ** 5)).toBe('1.25 PB');
+  });
 });
 
 describe('buildProxyLink', () => {

src/lib/3proxy.ts

@@ -1,5 +1,4 @@
-const MB = 1024 * 1024;
-const GB = MB * 1024;
+const BYTE_UNITS = ['B', 'KB', 'MB', 'GB', 'TB', 'PB'] as const;
 
 export type ServiceState = 'live' | 'warn' | 'fail' | 'idle' | 'paused';
 
@@ -8,15 +7,20 @@ export function formatBytes(value: number): string {
     return '0 B';
   }
 
-  if (value >= GB) {
-    return `${(value / GB).toFixed(2)} GB`;
+  if (value < 1024) {
+    return `${Math.round(value)} B`;
   }
 
-  if (value >= MB) {
-    return `${(value / MB).toFixed(1)} MB`;
+  let unitIndex = 0;
+  let scaled = value;
+
+  while (scaled >= 1024 && unitIndex < BYTE_UNITS.length - 1) {
+    scaled /= 1024;
+    unitIndex += 1;
   }
 
-  return `${Math.round(value)} B`;
+  const decimals = scaled >= 10 ? 1 : 2;
+  return `${scaled.toFixed(decimals)} ${BYTE_UNITS[unitIndex]}`;
 }
 
 export function buildProxyLink(