Add empty state UI for the creator profile activity feed when no transactions exist yet

[Chucks1093]

Summary

When a creator has no transaction history the activity feed section renders blank, which looks unfinished. A proper empty state with an illustration and a short message should communicate that no activity has happened yet.

Scope

• Render an empty state when the activity feed query returns an empty array
• Include a short message: 'No activity yet — buy or sell keys to get started'
• Empty state should only appear after the query has settled (not during loading)
• Skeleton rows should still appear during loading and be replaced by the empty state if the result is empty

Acceptance Criteria

• Empty state shown when activity feed returns an empty array
• Empty state not shown during loading (skeletons shown instead)
• Empty state replaced by real rows as soon as data arrives
• Message copy matches the design spec

ETA: 12 hours

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Coordinate on Telegram

[chigozirim007]

@chigozirim007 has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

hello maintainer can i please work on this issue?

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[nelly439]

@nelly439 has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

Hi! I'd like to work on this issue.

I have experience building polished React UI states, and this is a straightforward UX improvement. My plan is to implement a dedicated empty state for the activity feed that appears only after the query has finished loading and returns an empty array. During loading, I'll preserve the existing skeleton rows, and as soon as activity is available, they'll be replaced seamlessly by the real data.

I'll ensure the empty state displays the specified copy—"No activity yet — buy or sell keys to get started"—along with the project's existing illustration or empty-state pattern for consistency. I'll also add focused tests covering the loading, empty, and populated states to verify the transitions behave correctly and prevent regressions before running the project's lint and test suite.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @nelly439 to this issue.

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Congratulations, @chigozirim007! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on July 30, 2026.

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This issue has been completed by @chigozirim007 as part of the Stellar Wave Program's 7th Wave 🥳

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