chore(gui): update dashboard dependencies

[Wibias]

Summary

• Update the dashboard dependencies to current in-range releases: react/react-dom 19.2.8, @tanstack/react-virtual 3.14.9, vite 8.2.1, eslint 10.8.1, typescript-eslint 8.66.0, globals 17.9.0, @vitejs/plugin-react 6.0.5, @types/* and happy-dom 20.11.2.
• Bump the postcss override 8.5.18 → 8.5.26 to clear the source-map disclosure advisories (GHSA-fxqj-rqcc-2cmp, GHSA-r28c-9q8g-f849).
• TypeScript stays on ~6.0.2; the 7.0 major is a separate decision.
• No UI behavior changes — the diff is gui/package.json + gui/bun.lock only, so no screenshot is applicable.

Validation

• bun run build (gui) — pass (tsc -b + vite build)
• bun run lint (gui) — pass
• bun test tests (gui) — pass, 676 tests / 0 fail
• bun audit (gui) — pass, 0 vulnerabilities after the postcss bump

Review notes

• The @tanstack/react-virtual fix only affects the opt-in directDomUpdates mode.
• vite 8.2 shifts its rolldown deps, which is why the lockfile re-resolved.
• Dependency-only PR; no screenshot included because there is no UI change.

Summary by CodeRabbit

• Chores
  • Updated the GUI’s runtime and development tooling dependencies.
  • Refreshed React, build tools, linting, testing, TypeScript, and styling tool versions.

[github-actions]

✅ Deterministic PR hygiene checks passed.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: ASSERTIVE

Plan: Pro Plus

Run ID: 43a6c7ba-03b9-49a3-9051-aa03fe7c3077

📥 Commits

Reviewing files that changed from the base of the PR and between fa821de and e4e74ac.

⛔ Files ignored due to path filters (1)

• gui/bun.lock is excluded by !**/*.lock

📒 Files selected for processing (1)

• gui/package.json

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📝 Walkthrough

Walkthrough

The GUI package manifest updates React, React Virtual, type packages, linting tools, test environment packages, Vite-related tooling, and the PostCSS override.

Changes

GUI dependency updates

Layer / File(s)	Summary
Dependency version updates gui/package.json	Runtime dependencies, development dependencies, and the PostCSS override use updated versions.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Suggested reviewers: ingwannu, lidge-jun

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the dependency updates in the dashboard GUI.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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