Fix: [Easy] test(web): add unit test file for DiscountCalculator (Auto-Generated)

[privyy-bit]

Closes #298

This pull request was generated automatically and scoped strictly to issue #298.

Changes

Created a new test file 'apps/web/components/shared/DiscountCalculator.test.tsx' for the 'DiscountCalculator' component. Added comprehensive tests covering rendering, input interaction, edge cases, and tab switching to ensure component reliability.

Verification

⚠️ Not verified locally (no build system detected, or the required toolchain isn't installed on the worker). GitHub CI is the source of truth — please check the CI status on this PR before merging.

Linked with Closes #298 so the Drips Wave bot resolves the issue on merge.

[vercel]

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[mergekeeper]

MergeKeeper review

Scope: in scope for linked issue #298.
Verdict: clean

The pull request correctly adds the requested unit test file for DiscountCalculator covering the required test cases.

Reviewed commit: 7a7d7f8aa769a25feda5612d26e5b2f4466157cc.
CI and merge eligibility are checked separately.

[mergekeeper]

MergeKeeper merge status

Status: blocked
PR state: open
Mergeability: mergeable
Checked commit: 7a7d7f8aa769a25feda5612d26e5b2f4466157cc.

Reason: One or more required CI checks failed.

Failing checks:

• Verify TypeScript Frontend & SDK - view details

Next steps:

1. Open the failing check details above and fix the reported error.
2. Run the same checks locally where possible.
3. Commit and push the fix.
4. MergeKeeper will automatically re-review the updated PR.