Analyze Copilot CLI history and generate personalized instructions

Use when the user asks to personalize the GitHub Copilot CLI assistant, adapt Copilot to their style, use vardoger, or analyze their Copilot CLI conversation history. Reads the local session directory at `~/.copilot/session-state/`, extracts recurring preferences and conventions, and writes a fenced

Source: github.com/github/awesome-copilot/tree/main/skills/vardoger-analyze · License: MIT