DeepSeek Harness Plugin: dsh-insurance-config

The `dsh-insurance-config` plugin for DeepSeek Harness (DSH) is specifically designed for insurance configuration scenarios, providing precise parameter-based calculations and clear recommendations. Implemented purely in Node.js, it requires no network access at runtime and extends DSH session functionality through registered tools. Installation requires specific dependencies, after which the plugin can be invoked directly within a session. When using it, developers should note that the plugin runs with the current process's permissions and is licensed under the MIT License.