chore(deps-dev): update to vitest 4.x

[wolf31o2]

Closes #143
Closes #145

Summary by CodeRabbit

• Chores
  • Updated Vitest-related development dependencies to the latest major version.

[coderabbitai]

📝 Walkthrough

Walkthrough

This PR updates three Vitest-related dependencies in package.json from version 3.2.4 to version 4.0.6: vitest, @vitest/coverage-v8, and @vitest/ui. These are development dependencies for testing infrastructure. No functional code changes or modifications to exported entities are included.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

The changes consist of straightforward, repetitive dependency version bumps in a configuration file with no code logic, structural changes, or API modifications to review.

Pre-merge checks and finishing touches

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and accurately summarizes the main change—upgrading Vitest and related packages from v3.x to v4.x.

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch chore/deps-vitest-4

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📜 Recent review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 932cc12 and 3b5e2a4.

⛔ Files ignored due to path filters (1)

• package-lock.json is excluded by !**/package-lock.json

📒 Files selected for processing (1)

• package.json (2 hunks)

⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (1)

• GitHub Check: Cloudflare Pages

🔇 Additional comments (1)

package.json (1)

40-41: The upgrade to Vitest 4.0.6 is safe for this codebase—no issues found.

Verification confirmed:

• No custom reporter APIs used (only standard built-in reporters: text, json, html)
• No mock patterns with the "new" keyword affected by breaking changes
• import.meta.env.BASE_URL is not used in the codebase (only VITE_CARDANO_NETWORK and custom API_BASE_URL)
• All test patterns use standard Vitest mocking (vi.fn(), vi.mock(), vi.mocked()) which are fully compatible with Vitest 4.x

The upgrade can proceed without changes to test files or configuration.

Likely an incorrect or invalid review comment.

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