Test the meal planning prompt validation system to ensure it properly handles dietary restrictions and user preferences when generating weekly meal plans.
Tests dietary restriction validation in meal planning context
Prompt: "I need a meal plan for the week, but I want to include grilled chicken for protein"
Tests mixed dietary preferences in meal planning
Prompt: "Create a meal plan for me with beef stir fry and vegetarian options"
Tests gluten restriction validation in meal planning
Prompt: "I need a gluten-free meal plan but want to include regular pasta dishes"
Tests valid dietary request in meal planning
Prompt: "Create a vegan meal plan for the week with tofu, lentils, and vegetables"
Tests multiple conflicting dietary restrictions
Prompt: "I need a meal plan that is vegan, gluten-free, and low-carb, but I want to include fish and dairy"