Expose Performance Monitor & Web Vitals dashboard in app navigation

[Nanle-code]

Labels: performance, observability

Description

src/lib/performanceMonitoring.js is initialized in src/main.jsx. PerformanceMonitor.jsx is a full dashboard (Core Web Vitals, bundle analysis) but is not mounted in App.tsx.

Tasks

Register tab performance in src/App.tsx (or sub-tab under systemHealth).
Link from SystemHealth.jsx and Settings.jsx.
Emit evaluateAlertRules from src/lib/alerts.js when score < threshold.
Acceptance criteria

/ app shows LCP, FCP, CLS, and custom API timing from live session.

Budget violations highlighted using PERFORMANCE_BUDGETS.
Files

src/components/dashboard/PerformanceMonitor.jsx
src/lib/performanceMonitoring.js, src/lib/alerts.js
src/main.jsx, src/App.tsx
src/components/dashboard/SystemHealth.jsx

[jabir-dev788]

@jabir-dev788 has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Hey, I’d love to work on this issue if it’s available 🙏

assign me this issue.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @jabir-dev788 to this issue.

[drips-wave]

Congratulations, @jabir-dev788! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

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