Syncs this ElizaOS plugin standalone mirror with the canonical monorepo
source. Last mirror update was Apr 5; v1.8.0 is now live on npm.

v1.8.0 changes:
- 4 new actions: WALLET_STATS / WALLET_PNL / WALLET_POSITIONS / WALLET_TRADES
- Client gains getWalletStats / getWalletPnl / getWalletPositions / getWalletTrades
- New actions/wallet.ts with NL similes + base58 wallet extractor
- Universal Wallet section in README

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>