dsh-claim-guard: Pre-Write Claim Guard for the DeepSeek Harness File Tool

`dsh-claim-guard` is an unofficial community plugin that performs rule-based prechecks on text content before the DeepSeek Harness (DSH) file tool writes to a file. The plugin defines `blocked` (forbidden phrases) and `bounded` (bounded phrases) rules through a JSON configuration file and uses DSH's native `ask` decision mechanism to execute the approval workflow. It supports overriding tools such as `write`, `edit`, and `str_replace_editor`, but does not support installation via npm. When using the plugin, users should be aware of potential bypass risks, as well as input and rule size limits, and must download the `.tgz` package from GitHub to manually install and configure it.