dsh-asset-alloc: Asset Allocation Tool

`dsh-asset-alloc` is a DeepSeek Harness (DSH) plugin developed by uckkk. It implements a local asset allocation solution using Node.js without relying on network APIs. Users can install it via the plugin management command and invoke its registered tools to obtain a household financial planning solution. The plugin depends on specific versions of Cordis and DSH Tools and runs with the permissions of the current process.