feat(affiliate): show the exact updated at value for stats

[kernelwhisperer]

Summary

Now that we moved away from 6hrs to 24hrs we can show the exact value of updated at.

Summary by CodeRabbit

• New Features

  • Affiliate partner and trader statistics cards now display the precise timestamp indicating when metrics were last updated, significantly enhancing transparency regarding data freshness and providing users with clear visibility into how recent the displayed information is.

• Improvements

  • Enhanced messaging for update intervals to better communicate refresh schedules and user expectations around metric synchronization.

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Project	Deployment	Actions	Updated (UTC)
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[coderabbitai]

Walkthrough

The pull request extends the MetricsCard component in the affiliate module to accept and display a lastUpdatedAt timestamp prop. Container components now pass the stats' last updated time to MetricsCard, which implements timestamp handling logic and updates the display to reflect when metrics were last refreshed.

Changes

Cohort / File(s)	Summary
Container Components apps/cowswap-frontend/src/modules/affiliate/containers/AffiliatePartnerStats.tsx, apps/cowswap-frontend/src/modules/affiliate/containers/AffiliateTraderStats.tsx	Added lastUpdatedAt={stats?.lastUpdatedAt} prop passing to MetricsCard component instances.
Pure Component apps/cowswap-frontend/src/modules/affiliate/pure/MetricsCard.tsx	Added lastUpdatedAt?: string prop to MetricsCardProps; imported ms.macro and toValidDate; defined TIME_AGO_UPDATE_INTERVAL_MS constant; updated timestamp derivation logic to use new prop with fallback to approxUpdatedAt; changed tooltip text from "Updates daily at 02:00 UTC" to "Updates every 24 hours".

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Poem

🐰 The metrics now remember when they last were refreshed,
With timestamps passed like carrots in a vest,
Every day anew, the data tells its tale,
A rabbit's gift of timeliness will not fail! 🕐✨

🚥 Pre-merge checks | ✅ 1 | ❌ 2

❌ Failed checks (2 warnings)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The description lacks required sections (To Test, Background) and provides minimal context about implementation details, testing instructions, or visual changes.	Add a 'To Test' section with steps and verification checkboxes to guide QA, and expand the summary with more implementation details.
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (1 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and specifically describes the main change: adding display of exact updated-at values for affiliate stats.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch feat/show-actual-updated-at

📝 Coding Plan

• Generate coding plan for human review comments

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against the current code and only fix it if needed.

Inline comments:
In `@apps/cowswap-frontend/src/modules/affiliate/pure/MetricsCard.tsx`:
- Around line 89-91: The relative "last updated" text (statsUpdatedTimeAgo) is
still hiding the exact timestamp in the title attribute
(formatDateWithTimezone(statsUpdatedAt)), which is inaccessible on
touch/keyboard; change the span that currently uses
title={formatDateWithTimezone(statsUpdatedAt)} to render both the relative time
and a visible exact timestamp (for example show "{statsUpdatedTimeAgo} —
{formatDateWithTimezone(statsUpdatedAt)}" or place the exact value in a visible
<time> element with dateTime={statsUpdatedAt}) so the exact updated-at is always
readable; keep the existing HelpTooltip usage and ensure the date/time element
uses the same formatDateWithTimezone(statsUpdatedAt) value for consistency and
accessibility.

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: d6cd6692-74b5-4484-8286-9363a74f6a62

📥 Commits

Reviewing files that changed from the base of the PR and between c1c8dba and a9c57c1.

📒 Files selected for processing (3)

• apps/cowswap-frontend/src/modules/affiliate/containers/AffiliatePartnerStats.tsx
• apps/cowswap-frontend/src/modules/affiliate/containers/AffiliateTraderStats.tsx
• apps/cowswap-frontend/src/modules/affiliate/pure/MetricsCard.tsx

[fairlighteth]

My only comment is on the mobile affordance for the timestamp hover. There is no real affordance there also because we use the title attribute for that:

My suggestion would be to have both the current title but on hover of the (?) icon to show Timestamp + 'Updates every 24 hours' message in one tooltip message. Nobody can miss it then.

Also FYI right now the title affordance on desktop is only on the '9 hours ago' text part and not the whole 'Last updated 9 hours ago'. I'd fix that too.

[kernelwhisperer]

My only comment is on the mobile affordance for the timestamp hover. There is no real affordance there also because we use the title attribute for that:

My suggestion would be to have both the current title but on hover of the (?) icon to show Timestamp + 'Updates every 24 hours' message in one tooltip message. Nobody can miss it then.

Also FYI right now the title affordance on desktop is only on the '9 hours ago' text part and not the whole 'Last updated 9 hours ago'. I'd fix that too.

Please come up with an app-wide solution. I took this pattern from the orders table. 😐

[alfetopito]

Looks good!