fix(cli): render a sub-minute duration that rounds to 60s as "1m"

packages/cli/src/ui/utils/formatters.test.ts

@@ -155,6 +155,16 @@ describe('formatters', () => {
       expect(formatDuration(-100)).toBe('0s');
     });
 
+    it('should roll a sub-minute value up to "1m" when it rounds to 60s', () => {
+      // 59.95s and up round to "60.0" at one decimal, which is not a valid
+      // sub-minute reading; it should render as the minute it rounds to,
+      // matching formatDuration(60000) === '1m'.
+      expect(formatDuration(59949)).toBe('59.9s');
+      expect(formatDuration(59950)).toBe('1m');
+      expect(formatDuration(59999)).toBe('1m');
+      expect(formatDuration(59950, { hideTrailingZeros: true })).toBe('1m');
+    });
+
     describe('with hideTrailingZeros', () => {
       it('drops .0 suffix for whole seconds under a minute', () => {
         expect(formatDuration(5000, { hideTrailingZeros: true })).toBe('5s');

packages/cli/src/ui/utils/formatters.ts

@@ -90,6 +90,12 @@ export const formatDuration = (
 
   if (totalSeconds < 60) {
     const formatted = totalSeconds.toFixed(1);
+    // toFixed can round up across the minute boundary (e.g. 59.95s -> "60.0"),
+    // which is not a valid sub-minute reading. Render it as the minute it
+    // rounds to, matching formatDuration(60000) === '1m'.
+    if (parseFloat(formatted) >= 60) {
+      return '1m';
+    }
     if (options?.hideTrailingZeros && formatted.endsWith('.0')) {
       return `${formatted.slice(0, -2)}s`;
     }