`useGameStore.errors` are silently logged, never surfaced

[mercy60]

Internal ID: #68

Imported from ISSUES.md via scripts/import-issues.mjs.

Problem Statement. useGameStore.js catches errors in register, login, completePuzzle, etc., and only console.errors. The UI never reflects failure states.

Expected Outcome. Return { ok: false, reason } from these actions and use them in UI to show toasts/snackbars.

Acceptance Criteria.

• Failed login shows a UI toast, not just devtools.

Implementation Notes.

• Use react-hot-toast (small) or build a minimal one.

Files / modules affected.

• frontend/store/useGameStore.js
• frontend/components/shared/Toast.tsx (new)

Dependencies. None.

Difficulty / Effort. Medium / S (≈ 4 hours).

Labels. area:frontend, quality

[Yinklekay]

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I would love to work on this issue

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[monique-7arch]

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

Hello, I'm interested in taking this issue on.

I'm an experienced software engineer with a strong foundation in JavaScript/TypeScript, distributed systems, and API development. I care about code quality, test coverage, and clear communication in open source work.

I've looked into this issue closely and I'm confident in my ability to deliver a high-quality implementation here.

I'd love the opportunity to work on this — please consider assigning it to me.

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[emmixeryng]

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

Hi maintainer, I would love to work on this issue and fix it, thanks

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Congratulations, @monique-7arch! 🎉 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 @monique-7arch as part of the Stellar Wave Program's 7th Wave 🥳

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