Replace dashboard with Profile, Support Center & Rules modules

- Remove old dashboard stats/charts content; keep sidebar + header shell
  which now routes between Profile, Support Center and Rules views.
- Profile: hero card + 6 tabs (Personal Info with verify-to-reveal +
  editable contacts via OTP, KYC two-doc rule + completion %, Security
  password policy + 2FA, Notifications matrix + contact windows, Privacy
  consents, Devices + activity timeline).
- Support Center: 5 channel cards, support team, Message Center with
  typing, New Ticket category->department routing + attachment rules,
  My Tickets + status-timeline modal, Live Chat handshake, Callback/Email
  modals, Help Center search + accordion.
- Rules: the 1-13 business-rules checklist.
- Shared design system (Icon, Avatar, PageHead, Pill, Toggle, OtpField,
  Modal, Toast, Field, Tabs) + full mock data in account-data.ts.
- Premium dark visual pass: brand gradients, depth, glow accents, pill tabs.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

.gitignore

@@ -39,3 +39,5 @@ yarn-error.log*
 # typescript
 *.tsbuildinfo
 next-env.d.ts
+
+.vercel