refactor(codex): tighten status rate-limit formatting

extensions/codex/src/app-server/rate-limits.test.ts

@@ -2,6 +2,7 @@ import { describe, expect, it } from "vitest";
 import {
   formatCodexUsageLimitErrorMessage,
   resolveCodexUsageLimitResetAtMs,
+  summarizeCodexRateLimits,
   summarizeCodexAccountUsage,
 } from "./rate-limits.js";
 
@@ -66,3 +67,32 @@ describe("Codex rate limit blocking resets", () => {
     expect(summarizeCodexAccountUsage(payload, nowMs)?.blockedUntilMs).toBe(weeklyReset * 1000);
   });
 });
+
+describe("summarizeCodexRateLimits", () => {
+  it("formats status limits like provider usage summaries", () => {
+    const nowMs = 1_700_000_000_000;
+    const nowSeconds = nowMs / 1000;
+
+    expect(
+      summarizeCodexRateLimits(
+        {
+          rateLimits: {
+            limitId: "codex",
+            limitName: "Codex",
+            primary: {
+              usedPercent: 26,
+              windowDurationMins: 300,
+              resetsAt: nowSeconds + 3 * 60 * 60,
+            },
+            secondary: {
+              usedPercent: 4,
+              windowDurationMins: 7 * 24 * 60,
+              resetsAt: nowSeconds + 7 * 24 * 60 * 60,
+            },
+          },
+        },
+        nowMs,
+      ),
+    ).toBe("Codex: primary 74% left ⏱3h · secondary 96% left ⏱7d");
+  });
+});

extensions/codex/src/app-server/rate-limits.ts

@@ -499,12 +499,12 @@ function formatRelativeDuration(durationMs: number): string {
 }
 
 function formatResetDuration(resetsAtMs: number, nowMs: number): string {
-  const safeMs = Math.max(ONE_SECOND_MS, resetsAtMs - nowMs);
-  const totalSeconds = Math.round(safeMs / ONE_SECOND_MS);
-  const days = Math.floor(totalSeconds / 86_400);
-  const hours = Math.floor((totalSeconds % 86_400) / 3600);
-  const minutes = Math.floor((totalSeconds % 3600) / 60);
-  const seconds = totalSeconds % 60;
+  const durationMs =
+    Math.round(Math.max(ONE_SECOND_MS, resetsAtMs - nowMs) / ONE_SECOND_MS) * ONE_SECOND_MS;
+  const days = Math.floor(durationMs / ONE_DAY_MS);
+  const hours = Math.floor((durationMs % ONE_DAY_MS) / ONE_HOUR_MS);
+  const minutes = Math.floor((durationMs % ONE_HOUR_MS) / ONE_MINUTE_MS);
+  const seconds = Math.floor((durationMs % ONE_MINUTE_MS) / ONE_SECOND_MS);
   if (days > 0) {
     return hours > 0 ? `${days}d ${hours}h` : `${days}d`;
   }