dsh-wall-fix: Wall Repair Tool

`dsh-wall-fix` is a DeepSeek Harness (DSH) plugin maintained by uckkk, used to generate wall repair and home maintenance plans based on input parameters. The plugin is implemented in pure Node.js, has no network dependencies, and relies on libraries such as `@deepseek-ai/cordis`. Users can install it via the official command and invoke the `wall_fix` tool to obtain repair suggestions. It is suitable for integration into DSH workflows that require lightweight tools.