[feat] Implement NFT-Linked MPC Wallet System for Autonomous Agents

[hasjack]

Create a system that links horse NFTs with MPC wallets for autonomous financial operations.

Key Areas

1. Wallet Integration

   • Link MPC wallets to horse NFTs
   • Handle wallet creation/management
   • Implement credit tracking
   • Set up auto-management features

2. Credit System

   • OpenRouter credit management
   • Auto top-up functionality
   • Usage tracking and optimization
   • Spending reports and analytics

3. Identity Management

   • NFT ownership verification
   • Wallet authorization flows
   • Action audit system
   • Permission management

4. User Interface

   • Credit balance display
   • Top-up configuration
   • Usage statistics
   • Transaction history

Deliverables

• Wallet-NFT linking system
• Credit management implementation
• Auto top-up functionality
• Usage tracking and reporting
• UI components for management
• Security documentation

This system will enable true agent autonomy by giving each horse NFT its own financial capabilities through a linked MPC wallet.