feat: Build token wallet and balance management

[DrDrewCain]

Overview

Create in-platform wallet for managing CLAW token balance.

Features

• Balance display (CLAW + USD value)
• Transaction history
• Send/receive tokens
• Connect external wallet
• QR code for receiving
• Export transaction history

Wallet Options

1. Custodial (platform-managed)

   • Easy onboarding
   • No blockchain knowledge needed
   • Platform holds keys

2. Non-custodial (user-controlled)

   • Connect Phantom/Solflare
   • User holds keys
   • Direct blockchain interaction

Security

• 2FA for withdrawals
• Withdrawal limits
• Whitelist addresses
• Suspicious activity alerts
• Cold storage for reserves