refactor(auth): share remaining-time formatter

src/agents/auth-health.e2e.test.ts

@@ -1,5 +1,9 @@
 import { afterEach, describe, expect, it, vi } from "vitest";
-import { buildAuthHealthSummary, DEFAULT_OAUTH_WARN_MS } from "./auth-health.js";
+import {
+  buildAuthHealthSummary,
+  DEFAULT_OAUTH_WARN_MS,
+  formatRemainingShort,
+} from "./auth-health.js";
 
 describe("buildAuthHealthSummary", () => {
   const now = 1_700_000_000_000;
@@ -87,3 +91,10 @@ describe("buildAuthHealthSummary", () => {
     expect(statuses["google:no-refresh"]).toBe("expired");
   });
 });
+
+describe("formatRemainingShort", () => {
+  it("supports an explicit under-minute label override", () => {
+    expect(formatRemainingShort(20_000)).toBe("1m");
+    expect(formatRemainingShort(20_000, { underMinuteLabel: "soon" })).toBe("soon");
+  });
+});

src/agents/auth-health.ts

@@ -43,14 +43,23 @@ export function resolveAuthProfileSource(_profileId: string): AuthProfileSource
   return "store";
 }
 
-export function formatRemainingShort(remainingMs?: number): string {
+export function formatRemainingShort(
+  remainingMs?: number,
+  opts?: {
+    underMinuteLabel?: string;
+  },
+): string {
   if (remainingMs === undefined || Number.isNaN(remainingMs)) {
     return "unknown";
   }
   if (remainingMs <= 0) {
     return "0m";
   }
-  const minutes = Math.max(1, Math.round(remainingMs / 60_000));
+  const roundedMinutes = Math.round(remainingMs / 60_000);
+  if (roundedMinutes < 1) {
+    return opts?.underMinuteLabel ?? "1m";
+  }
+  const minutes = roundedMinutes;
   if (minutes < 60) {
     return `${minutes}m`;
   }