Final answer:
The provided information does not specifically detail what Madame Lyubov ate in Paris, but based on the context of Parisian culture, one can infer that she might have enjoyed the city's rich culinary offerings.
Step-by-step explanation:
The question seems to be a mix-up because Madame Lyubov is not a character associated with Paris or known for what she ate in Paris. However, if we discuss the culinary culture of Paris, as exhibited in the late 19th and early 20th century, one might infer a general idea of what a character like Madame Lyubov may have eaten. During this time, Paris was a hub of gastronomy and cultural richness.
As per the passage from LibreTexts, we understand that French cuisine is a major part of the nation's pride, with each region boasting famous dishes. Considering the lavishness of the nightlife in Paris, especially in places like Montmartre, a character like Madame Lyubov could enjoy a variety of foods ranging from common Parisian delicacies to the more opulent dishes served at grand establishments.
In the given texts, there is a mention of the Moulin Rouge and Moulin de la Galette, known for their vibrant and sometimes tawdry nightlife scenes. Therefore, if Madame Lyubov were attending an event at one of these venues, she may have indulged in luxurious dishes like roast goose stuffed with chestnuts, lobster salad, rice pudding, and a selection of cheeses and wines which were likely to be served at such an upscale venue in Paris.
To summarize, while the information provided does not give a specific account of what Madame Lyubov consumed in Paris, one can fantasize about a character in her position enjoying the rich and diverse offerings of Parisian cuisine during that era.