marketplaces/src/app/config/constants.ts

// Payment polling
export const PAYMENT_POLL_INTERVAL_MS = 5000;
export const PAYMENT_MAX_CHECKS = 36;
export const PAYMENT_TIMEOUT_CLOSE_MS = 3000;
export const PAYMENT_ERROR_CLOSE_MS = 4000;
export const LINK_COPIED_DURATION_MS = 2000;

// Infinite scroll
export const SCROLL_THRESHOLD_PX = 1200;
export const SCROLL_DEBOUNCE_MS = 100;
export const ITEMS_PER_PAGE = 50;

// Search
export const SEARCH_DEBOUNCE_MS = 300;
export const SEARCH_MIN_LENGTH = 3;

// Cache
export const CACHE_DURATION_MS = 5 * 60 * 1000;
export const CATEGORY_CACHE_DURATION_MS = 2 * 60 * 1000;