chore(deps): update dependency svelte to v5.43.5

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
svelte (source)	5.43.4 -> 5.43.5

---

Release Notes

sveltejs/svelte (svelte)

v5.43.5

Compare Source

Patch Changes

• fix: ensure async static props/attributes are awaited (#​17120)

• fix: wait on dependencies of async bindings (#​17120)

• fix: await dependencies of style directives (#​17120)

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[claude]

Pull Request Review - Svelte v5.43.5 Update

Summary

This PR updates Svelte from v5.43.4 to v5.43.5, a patch release containing important bug fixes for async operations.

---

Code Quality & Best Practices ✅

• Automated dependency management: Using Renovate bot for dependency updates is a best practice
• Lockfile updates: Both package-lock.json and yarn.lock are properly updated
• Version constraint: The package.json uses ^5.38.1, which allows this update within the semver range

---

Changes Analysis

Files Modified:

1. frontend/package-lock.json - Updated Svelte package metadata (3 additions, 3 deletions)
2. frontend/yarn.lock - Updated Svelte and related dependencies (251 additions, 250 deletions)

Key Updates:

• Svelte: 5.43.4 → 5.43.5
• Rollup packages: Multiple rollup platform-specific packages updated from 4.52.5 → 4.53.1
• Various internal dependency resolution updates

---

Bug Fixes Included (from Svelte changelog)

According to the Svelte v5.43.5 release notes, this patch includes three important fixes:

1. Async static props/attributes: Ensures async static props and attributes are properly awaited (#17120)
2. Async bindings dependencies: Fixes waiting on dependencies of async bindings (#17120)
3. Style directives: Properly awaits dependencies of style directives (#17120)

Impact: These fixes address potential race conditions and timing issues with async operations in Svelte 5.

---

Potential Issues & Concerns

⚠️ Dual Lock Files

Issue: The project maintains both package-lock.json (npm) and yarn.lock (Yarn)

Risks:

• Lock file drift between npm and Yarn
• Potential inconsistencies in dependency resolution
• Team members might use different package managers

Recommendation:

• Choose one package manager (npm or Yarn) and remove the other lock file
• Document the chosen package manager in README or CONTRIBUTING guide
• Add the unused lock file to .gitignore

🔍 Rollup Version Updates

The PR includes Rollup updates (4.52.5 → 4.53.1) as transitive dependencies. These are peer dependencies that came along with the Svelte update.

---

Security Concerns 🔒

• No known vulnerabilities: This is a patch release with bug fixes
• Trusted source: Official Svelte package from the SvelteJS organization
• Integrity checks: Package integrity hashes are included in lock files

---

Performance Considerations ⚡

• Patch release: No expected performance regressions
• Bug fixes for async operations: May actually improve performance by preventing unnecessary re-renders or timing issues
• Bundle size: No significant changes expected for a patch release

---

Test Coverage 🧪

Recommendations:

1. Run the existing test suite to ensure no regressions
2. Test async components if the project uses them (given the async-related fixes)
3. Verify style directives work correctly
4. Check any components using static props/attributes

Command to run tests:

cd frontend && npm run check

---

Recommendation: ✅ APPROVE WITH MINOR CONCERN

Approve because:

• This is a bug-fix patch release with no breaking changes
• Fixes important async-related issues that could prevent bugs
• Properly automated through Renovate
• All lock files are updated correctly

Minor concern:

• Dual lock file maintenance (npm + Yarn) - consider standardizing on one

Suggested next steps:

1. ✅ Merge this PR (the fixes are beneficial)
2. Run npm run check and npm run build to verify
3. Consider addressing the dual lock file issue in a follow-up PR