feat: Price Comparison dashboard + Eoptolink OEM scraper
- Add public /api/price-comparison API (summary, top-50, per-SKU detail)
— no auth required, 3 Express routes, DISTINCT ON latest-price logic
- Add '💲 Price Comparison' dashboard tab: stat cards, form-factor
breakdown, top-50 SKU table (clickable rows → SKU detail), per-vendor
price + stock + spread% lookup panel
- Add Eoptolink OEM catalog scraper (93 product-solution pages,
part-number regex EOLO-*/EOLQ-* etc., no prices, seeds transceivers
table as manufacturer entries)
- Register scrape:catalog:eoptolink in scheduler: schedule every 4h
(40 */4 * * *), lazy-import worker, added to known-jobs array
14d48d34b2