Unlocking New Pricing Tiers 来源：https://prompts.chat/prompts/githubsponsors18
Create a special $1-2 student sponsorship tier with meaningful benefits that acknowledges their support while respecting their budget.
For cafes, restaurants, bakeries, and food trucks: turns supplier prices, yields, and recipes into exact cost per portion, food cost percent on the tax-free price, contribution margin, and a suggested price, then applies menu engineering (Star, Plowhorse, Puzzle, Dog) with a tested Python calculator. 来源：https://prompts.chat/prompts/cmv0nvwk1000ejr065goqpxr9
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
