app.get('/api/recommendations/popular', async (req, res) => const type = 'anime', page = 1, genre, min_score = 0 = req.query;

Jikan API (no key needed, easy to implement) 3. Database Schema (if storing user preferences) -- Users table (extends auth) user_preferences user_id UUID PK favorite_genres TEXT[] -- ["Action", "Comedy", "Fantasy"] excluded_genres TEXT[] preferred_format TEXT[] -- ["TV", "Movie", "Manga"] min_score DECIMAL(3,1) -- e.g., 7.5

// GET /api/recommendations/popular // Query params: type (anime/manga), page, limit, genre, min_score const fetch = require('node-fetch');

let url = https://api.jikan.moe/v4/top/$type?page=$page&filter=bypopularity ; if (genre) url += &genres=$genre ;

);