feat(wallet): enhance wallet UI and transaction item display
fix(profile): update profile detail card to handle loading and error states
style: improve UI consistency across profile and wallet components
Replaces placeholder colors/type-scale with the documented Figma design
system (§1), and rebuilds login as three screens matching the doc exactly:
role selection, phone entry, and 6-box OTP verification with countdown
resend. Fixes a real bug along the way: normalizeIranianPhone stripped
Persian-digit keyboard input entirely instead of converting it (\D matches
non-ASCII digits too) -- added toLatinDigits/toPersianDigits and verified
the round-trip in isolation.
