Privacy score badge (address-reuse visual indicator)

[truthixify]

Tier: M (2-4 days) Type: feature

Context

Spectre computes privacy scores. Demo can offer a lightweight version: visual badge on each stealth address showing reuse/correlation risk based on local history.

Scope

• Compute score per stealth address from local Activity store
• Factors: reuse count, balance accumulation, time-pattern similarity
• Display: green/yellow/red badge inline next to each row
• Click for explanation
• Privacy: scoring is local-only, no network calls

Acceptance criteria

• Score computation function + tests
• Badge rendered on receive rows + history rows
• Explanation modal
• Documentation

Files to start with

• New: src/lib/privacy-score.ts
• src/components/StellarReceive.tsx, src/pages/History.tsx