Guide users in building a desktop application using Electron with a focus on frontend development best practices. 来源：https://prompts.chat/prompts/cmjz1faym0004jr0452rrh802
Audits foreground/background color pairs for WCAG 2.x contrast (AA and AAA for normal and large text), reports ratios and pass/fail, and notes color-blindness risks. Use when checking UI palettes, design tokens, or asking "is this gray-on-white readable?". Includes a stdlib Python contrast checker with --self-test. 来源：https://prompts.chat/prompts/cmvan99yi000ml6067hv94yay
Guide to building a full-stack web application with secure user authentication, high performance, and robust user interaction features. 来源：https://prompts.chat/prompts/cmjnc496x0001ky04kh6wq80b
