Prettify PDF Core Idea Redesign the PDF around what the reader needs to notice first, while treating the source PDF as evidence. The work is not "make it pretty"; it is "make it easier to use without changing what it means." This skill has no hosted service, API key, or model-provider requirement. Use whatever local PDF, image, HTML, or document tools are available in the current environment. Compatibility This is a pure Agent Skill. It should work in any agent environment that can read and optionally run local scripts. No OpenAI, Anthropic, hosted model, API key, MCP server, web app, or clou…