regenerate the platform skill for the nineteenth permission

The registry gained minesweeper (execution) and the generated skill was two lines
behind, which docs:check catches by regenerating and comparing rather than by
trusting a number written down beside it.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

skills/platform/SKILL.md

@@ -67,6 +67,8 @@ diligence.
 
 - **Tasks and jobs** (`tasks`) — Running permissions, pipelines and background jobs
   - API `/tasks`, `/jobs`, `/pipeline-jobs`, `/queue` · socket `task-runner`, `pipeline` · screen `/jobs`
+- **Minesweeper** (`minesweeper`) — A Windows Minesweeper session on a virtual display, as the server owner
+  - API `/minesweeper` · socket `minesweeper` · screen `/minesweeper`
 - **Permission authoring** (`items`) — Skills, tools, agents and processes on disk
   - API `/skills`, `/tools`, `/agents`, `/processes`, `/rescan`
 - **Scraping** (`browser`) — Fetches and renders a page in a headless browser, as the server owner