# Tasks: Add Account Information Tools

- [x] Implement `TradeService` in `src/moomoo_mcp/services/trade_service.py` <!-- id: 0 -->
- [x] Add `TradeService` to `server.py` lifespan <!-- id: 1 -->
- [x] Implement `get_accounts` tool in `src/moomoo_mcp/tools/account.py` <!-- id: 2 -->
- [x] Implement `get_assets` tool in `src/moomoo_mcp/tools/account.py` <!-- id: 3 -->
- [x] Implement `get_positions` tool in `src/moomoo_mcp/tools/account.py` <!-- id: 4 -->
- [x] Implement `get_max_tradable` tool in `src/moomoo_mcp/tools/account.py` <!-- id: 5 -->
- [x] Implement `get_margin_ratio` tool in `src/moomoo_mcp/tools/account.py` <!-- id: 6 -->
- [x] Implement `get_cash_flow` tool in `src/moomoo_mcp/tools/account.py` <!-- id: 7 -->
- [x] Implement `unlock_trade` tool in `src/moomoo_mcp/tools/account.py` <!-- id: 12 -->
- [x] Export new tools in `src/moomoo_mcp/tools/__init__.py` and register in `server.py` <!-- id: 8 -->
- [x] Add unit tests for `TradeService` in `tests/test_services/test_trade_service.py` <!-- id: 9 -->
- [x] Add unit tests for account tools in `tests/test_tools/test_account.py` <!-- id: 10 -->
- [x] Verify with manual test script or `mcp-cli` <!-- id: 11 -->
