fix(web): usage-limit retry notice shows the timezone#23029

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fix/issue-23018

View on GitHubTwo-way sync enabledPR last imported 19h ago

Problem

The usage-limit retry notice omitted its timezone, making it look inconsistent with Claude's timezone-labelled reset message when viewing a remote host from another zone. Reported in #23018.

Change

Append the viewer's IANA timezone to the retry notice on web, desktop, and native mobile, preserving each client's existing time format. The timestamp already crosses the wire as an ISO instant; no contract or server change is needed.

Use the same current zone for the web time and label, including its formatter cache and numeric date, so changing the device timezone during an open session cannot attach a new zone to stale clock text. Other timestamp callers keep their existing behavior. Recovery banner/card labels are an unchanged, pre-existing consistency gap outside this retry-notice fix.

Scope and approval

Fixes #23018

Triaged bug via the automated issue flow. The GitCafe mirror is #23018, with the same issue number. This is a focused correction to an existing notice; it introduces no new workflow, setting, or server behavior.

Verification

RED: MessagesTimeline usage limit notice > labels the retry time with the viewer's timezone fails against baseline 9179178fdf: expected (UTC), received Usage limit reached. Retry after 3/17 7:30 PM.3/17 7:12 PM. Repeated independently against the baseline implementation with the original test overlaid.
Additional RED regression: Chromium switches Madrid → New York in the existing browser test file. Before the cache correction, it expected 3:30 PM (America/New_York) but received 7:30 PM (America/New_York).
GREEN: whole MessagesTimeline.browser.test.tsx, 6/6 passing. Web and mobile package typechecks pass. Targeted lint has no new warnings; two existing mobile warnings remain. vp run check:changed passes format, lint, knip, affected-package typechecks, and the browser test file.
After merging current main into 74b9840f25: reran the whole browser test file (6/6) and web/mobile package typechecks (both pass). The fix diff remains the same four files.
Independent full-diff reviews: round 1 Codex/Claude FIX_FIRST; cache mismatch corrected, adjacent pre-existing recovery labels scoped out. Round 2 Codex/Claude both MERGE.
Proof audit: SUFFICIENT (baseline failure, final passing tests, and screenshot crops independently verified).
Fixture matrix: one row, the usage-limit retry notice text. Linux x86_64, collaborative Chromium browser, 1280×800, en-US, viewer zone UTC, synthetic resetAt=2026-10-21T18:30:00.000Z. Same isolated projection fixture on baseline and head; notice-region crops, with no text edits.
Cannot verify Android Chrome live or native mobile runtime; mobile applicability is checked by source review and typecheck.

Before:

before-notice.png

After:

after-notice.png

Implementation: Claude Opus 5.5 through the Claude Agent harness; lead and independent review/proof: GPT-6.1-Sol through Codex and Claude Opus 5.5 through Claude Agent, orchestrated in T3 Code.

Checks

25 successful · 16 skipped

All checks passed

Added 4 commits13d ago

fix(web,mobile): usage limit retry time names the viewer's timezone731b0e4
chore: merge main into usage-limit timezone fix74b9840
test(web): reproduce #23018 usage limit retry time lacks a timezone label9730b79
fix(web): usage limit retry time and its zone label read the same zoneee66417

MmacroscopeappBotapproved these changes · review dismissed13d ago

MmacroscopeappBot13d ago

Approvability

Verdict: Approved at c120876

Macroscope's review found this PR approvable — Retry notices now show the viewer's timezone, with web formatting keeping the displayed time and zone consistent. The change is presentation-only and does not alter usage limits or retry scheduling.

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Walkthrough

Usage-limit retry times with a reset time now include the viewer’s local time-zone name in web and mobile interfaces. Web timestamp formatting accepts an optional time zone and uses it for timestamp and calendar-day formatting. Tests cover time-zone-specific labels and browser time-zone changes.

Changes: Usage-limit timezone display

Layer / File(s)	Summary
Time-zone-aware timestamp formatting `apps/web/src/timestampFormat.ts`, `apps/web/src/timestampFormat.test.ts`	Timestamp formatting functions accept an optional time zone. Formatter cache keys include the zone. Day-aware and upcoming timestamps use the selected zone for time and calendar-date comparisons. Tests check date labels in `America/New_York`.
Usage-limit retry time display `apps/web/src/components/chat/TimelineWorkEntryRow.tsx`, `apps/mobile/src/features/threads/thread-work-log.tsx`, `apps/web/src/components/chat/MessagesTimeline.browser.test.tsx`	Web and mobile retry messages append the viewer’s time-zone name when a reset time is available. Browser tests check the displayed time and zone after switching from `Europe/Madrid` to `America/New_York`.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Change: Bug fix · Severity of issue fixed: Low

Possibly related PRs

pingdotgg/t3code#26801: Changes usage-limit failure titles in the same web and mobile notice locations.
pingdotgg/t3code#26532: Changes failure wording in the same web and mobile usage-limit rows.
pingdotgg/t3code#29301: Preserves Claude’s reset time in OpenCode usage-limit failures, which the retry notice formats.

Suggested reviewers: maria-rcks

Merge Risk: External image Minimal · up to c1208

The retry notice displays the viewer’s timezone. No merge-blocking issue was established.

Pre-merge checks: ^Passed 4

Check name	Status	Explanation
Title check	Passed	The title clearly and concisely describes the main change: adding the timezone to the usage-limit retry notice.
Description check	Passed	The description includes complete Problem, Change, Scope and approval, and Verification sections. It explains the issue, implementation, scope, tests, screenshots, and known verification limits.
Linked Issues check	Passed	[`#23018`] requires the usage-limit retry notice to include the viewer's timezone. Per the whole-PR summary, TimelineWorkEntryRow.tsx appends the resolved IANA zone to the web notice and passes that zon…
Out of Scope Changes check	Passed	The incremental change touches only timestampFormat.ts, a refactor of day-difference math to use zone-aware calendar-day indexes, and adds timestampFormat.test.ts. Both support the zone-labelled retry…

Full details: Linked Issues check

Explanation

[#23018] requires the usage-limit retry notice to include the viewer's timezone. Per the whole-PR summary, TimelineWorkEntryRow.tsx appends the resolved IANA zone to the web notice and passes that zone to timestamp formatting. thread-work-log.tsx applies the same label to the native mobile notice. Since the previous reviewed head (74b9840f25), only apps/web/src/timestampFormat.ts and the new apps/web/src/timestampFormat.test.ts changed, so the earlier evidence for the notice call sites still holds. The incremental change makes timestampFormat.ts build the time with the supplied zone, include the zone in the formatter cache key, and compute yesterday/tomorrow and the numeric-date year from calendar days in that zone. The new test checks these classifications in America/New_York. The browser test file and the web and mobile typechecks were reported at 74b9840f25, not at the current head. I did not run them. The source evidence supports the requirement, and no open coding requirement remains.

Full details: Out of Scope Changes check

Explanation

The incremental change touches only timestampFormat.ts, a refactor of day-difference math to use zone-aware calendar-day indexes, and adds timestampFormat.test.ts. Both support the zone-labelled retry notice. The notice's relative day words and numeric date must use the same zone as its time label. Callers that pass no zone keep the same result. Their local calendar-day comparison yields the same whole-day difference as the previous Math.round over local-midnight timestamps. The whole-PR diff has no server, contract, workflow, or recovery-label changes beyond the stated scope. The PR description states that the fix diff remains 'the same four files'. The head now changes five files, including the new test file. This is a stale description, not an out-of-scope code change.

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`apps/web/src/timestampFormat.test.ts`
`apps/web/src/timestampFormat.ts`

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Added 1 commit12d ago

Merge origin/main into fix/issue-23018298a740

MmacroscopeappBotapproved these changes · review dismissed12d ago

Added 1 commit4d ago

Merge remote-tracking branch 'origin/main' into HEADf42aa3c

MmacroscopeappBotapproved these changes · review dismissed4d ago

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CcoderabbitaiBotreviewed · 1 inline thread4d ago

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6	Inline comments:
7	Review comments at @apps/web/src/timestampFormat.ts:
8	- Line 152: Update the year comparison and relative-day comparisons in
9	formatDayAwareTimestamp and formatUpcomingTimestamp to use calendar dates
10	derived in the supplied timeZone, not host-local dates. Ensure date-format
11	selection and relative labels reflect the same time zone used by the formatter.
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apps/mobile/src/features/threads/thread-work-log.tsx
apps/server/src/orchestration-v2/Adapters/ClaudeAdapterV2.ts
apps/server/src/pullRequest/PullRequestService.test.ts
apps/server/src/usage/usageScanCache.test.ts
apps/web/src/components/chat/MessagesTimeline.browser.test.tsx
apps/web/src/components/chat/TimelineWorkEntryRow.tsx
apps/web/src/timestampFormat.ts

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apps/web/src/timestampFormat.tsline 152Outdated · f42aa3cOpen thread

…	…	@@ -136,24 +137,37 @@ export function formatShortTimestamp(isoDate: string, timestampFormat: Timestamp
	149	+	);
	150	+
	151	+	function formatNumericDate(date: Date, now: Date, timeZone: string \| undefined): string {
	152	+	const sameYear = date.getFullYear() === now.getFullYear();

CcoderabbitaiBoton line 1524d ago

External image Minor · Functional Correctness · Quick win

Compare calendar dates in the supplied time zone.

When timeZone differs from the host zone, sameYear uses host-local dates while the formatter uses timeZone. The relative-day comparisons in formatDayAwareTimestamp and formatUpcomingTimestamp have the same mismatch. For example, with a UTC host, July 1 at 23:30 UTC and July 2 at 00:30 UTC are both July 1 in New York, but formatUpcomingTimestamp says “tomorrow.” Derive the year and day comparisons in timeZone before selecting the date format or relative label.

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5
6	Review comment at @apps/web/src/timestampFormat.ts at line 152:
7	Update the year comparison and relative-day comparisons in
8	formatDayAwareTimestamp and formatUpcomingTimestamp to use calendar dates
9	derived in the supplied timeZone, not host-local dates. Ensure date-format
10	selection and relative labels reflect the same time zone used by the formatter.
11
12	After applying the fix, consider running `coderabbit review --agent` for local
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✅ Confirmed as addressed by @juliusmarminge

JJulius Marminge20h ago

Fixed in c1208767347: relative-day and same-year checks now read the calendar day in the given time zone (calendarDay in timestampFormat.ts), with a unit test that fails on the previous head under a UTC host.

CcoderabbitaiBot20h ago

@juliusmarminge The supplied code confirms that both functions use calendarDay in the supplied timeZone for relative-day and same-year checks. This addresses the reported mismatch.

Review thread resolved.

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Added 1 commit21h ago

Merge remote-tracking branch 'github/main' into HEADc5e1bcb

MmacroscopeappBotapproved these changes · review dismissed21h ago

Added 2 commits20h ago

Merge branch 'main' into fix/issue-23018948416f
fix(web): relative days follow the formatter's time zonec120876

JJulius Marmingereviewed20h ago

CcoderabbitaiBotreviewed20h ago

MmacroscopeappBotapproved these changes20h ago