new skill batch-files

docs/README.skills.md

@@ -48,6 +48,7 @@ See [CONTRIBUTING.md](../CONTRIBUTING.md#adding-skills) for guidelines on how to
 | [azure-resource-visualizer](../skills/azure-resource-visualizer/SKILL.md) | Analyze Azure resource groups and generate detailed Mermaid architecture diagrams showing the relationships between individual resources. Use this skill when the user asks for a diagram of their Azure resources or help in understanding how the resources relate to each other. | `LICENSE.txt`<br />`assets/template-architecture.md` |
 | [azure-role-selector](../skills/azure-role-selector/SKILL.md) | When user is asking for guidance for which role to assign to an identity given desired permissions, this agent helps them understand the role that will meet the requirements with least privilege access and how to apply that role. | `LICENSE.txt` |
 | [azure-static-web-apps](../skills/azure-static-web-apps/SKILL.md) | Helps create, configure, and deploy Azure Static Web Apps using the SWA CLI. Use when deploying static sites to Azure, setting up SWA local development, configuring staticwebapp.config.json, adding Azure Functions APIs to SWA, or setting up GitHub Actions CI/CD for Static Web Apps. | None |
+| [batch-files](../skills/batch-files/SKILL.md) | Expert-level Windows batch file (.bat/.cmd) skill for writing, debugging, and maintaining CMD scripts. Use when asked to "create a batch file", "write a .bat script", "automate a Windows task", "CMD scripting", "batch automation", "scheduled task script", "Windows shell script", or when working with .bat/.cmd files in the workspace. Covers cmd.exe syntax, environment variables, control flow, string processing, error handling, and integration with system tools. | `assets/executable.bat`<br />`assets/library.bat`<br />`assets/task.bat`<br />`references/batch-files-and-functions.md`<br />`references/cygwin.md`<br />`references/msys2.md`<br />`references/tools-and-resources.md`<br />`references/windows-commands.md`<br />`references/windows-subsystem-on-linux.md` |
 | [bigquery-pipeline-audit](../skills/bigquery-pipeline-audit/SKILL.md) | Audits Python + BigQuery pipelines for cost safety, idempotency, and production readiness. Returns a structured report with exact patch locations. | None |
 | [boost-prompt](../skills/boost-prompt/SKILL.md) | Interactive prompt refinement workflow: interrogates scope, deliverables, constraints; copies final markdown to clipboard; never writes code. Requires the Joyride extension. | None |
 | [breakdown-epic-arch](../skills/breakdown-epic-arch/SKILL.md) | Prompt for creating the high-level technical architecture for an Epic, based on a Product Requirements Document. | None |