feat: add HEZ/DOT pool support and fix user-facing token names

- Add HEZ/DOT pool to PoolDashboard
- Display DOT, ETH, BTC instead of wDOT, wETH, wBTC to users
- Update priceOracle with correct symbol mappings
- Fix lint errors in check_all_pools.mjs
- Extract MINTABLE_ASSETS to separate file for fast refresh

web/src/components/dex/mintableAssets.ts

@@ -0,0 +1,49 @@
+export interface AssetConfig {
+  id: number;
+  symbol: string;
+  name: string;
+  decimals: number;
+  logo?: string;
+  defaultAmount?: string;
+  color?: string; // For theming (green, blue, orange, etc.)
+}
+
+// Pre-configured assets for easy use
+export const MINTABLE_ASSETS: Record<string, AssetConfig> = {
+  wUSDT: {
+    id: 1000,
+    symbol: 'wUSDT',
+    name: 'Wrapped USDT',
+    decimals: 6,
+    logo: '/shared/images/USDT(hez)logo.png',
+    defaultAmount: '10000',
+    color: 'green',
+  },
+  wDOT: {
+    id: 1001,
+    symbol: 'wDOT',
+    name: 'Wrapped DOT',
+    decimals: 10,
+    logo: '/shared/images/dot.png',
+    defaultAmount: '100',
+    color: 'pink',
+  },
+  wETH: {
+    id: 1002,
+    symbol: 'wETH',
+    name: 'Wrapped ETH',
+    decimals: 18,
+    logo: '/shared/images/etherium.png',
+    defaultAmount: '10',
+    color: 'purple',
+  },
+  wBTC: {
+    id: 1003,
+    symbol: 'wBTC',
+    name: 'Wrapped BTC',
+    decimals: 8,
+    logo: '/shared/images/bitcoin.png',
+    defaultAmount: '1',
+    color: 'orange',
+  },
+};