dsh-contract-unlimited: Indefinite Contract Detection

DeepSeek Harness provides the `dsh-contract-unlimited` plugin, which encapsulates the logic for determining open-ended employment contracts. The plugin accepts parameters for precise calculation, returns detailed results and statutory basis, and supports automated processing of labor contract determinations. The installation command is `dsh plugin add github:uckkk/dsh-contract-unlimited`. Implemented entirely in Node.js, it has no network dependencies at runtime. Before use, it is recommended to review the source code and license to ensure compliance.