Root cause: Token symbol mismatch between TokenSwap component and WalletContext
- WalletContext stored balance with key 'USDT'
- TokenSwap used symbol 'wUSDT' for lookups
- This caused balances['wUSDT'] to return undefined
- Triggered false "insufficient balance" errors
Changes:
- Updated TokenSwap.tsx to use 'USDT' symbol consistently
- Fixed token symbol in AVAILABLE_TOKENS array
- Updated asset ID mapping in swap transaction logic
- Fixed swap history token display
Also includes:
- Added new DEX components (SwapInterface, PoolBrowser, etc.)
- Added TypeScript type definitions for DEX
- Added DEX utility functions
- Removed obsolete test scripts
- Updated WalletContext with USDT balance support
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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