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Phase 2 of the wallet architecture — crypto wallet functionality built on top of the keystore. Core components: - wallet/manager.py: Wallet CRUD, balance checks, transaction execution. Private keys stored as sealed keystore secrets — only the manager reads them, and only to pass to chain providers for signing. - wallet/policy.py: Transaction policy engine with spending limits, daily limits, rate limits, cooldown, recipient allow/blocklists, approval thresholds, and a kill switch (freeze/unfreeze). - wallet/chains/: Abstract ChainProvider interface + EVM and Solana impls. EVM supports Ethereum, Base, Polygon, Arbitrum, Optimism + testnets. Solana supports mainnet + devnet. Agent integration: - tools/wallet_tool.py: 5 agent-facing tools (wallet_list, wallet_balance, wallet_send, wallet_history, wallet_estimate_gas). All return JSON, none expose private keys. wallet_send goes through the policy engine. - toolsets.py: New 'wallet' toolset - model_tools.py: wallet_tool added to discovery list CLI: - wallet/cli.py: Full CLI — create, create-agent, import, list, balance, send (with interactive confirmation), fund, history, freeze, unfreeze, status - hermes_cli/main.py: 'hermes wallet' subcommand registered Policy defaults: - Agent wallets: 1.0 native/tx max, 5.0/day, 5 txns/hour, 30s cooldown, approval required above 0.5 native - User wallets: owner approval required for all transactions Tests: 100 passing (28 wallet + 72 keystore)