- Cart _cart.html: replace url_for('market.browse.product...') with
market_product_url() for links and cart_global.update_quantity for
quantity forms (market endpoints don't exist in cart app)
- Factory favicon route: use STATIC_DIR instead of relative "static"
(resolves to shared/static/ where favicon.ico actually lives)
- Cart context processor: fetch all 3 fragments (cart-mini, auth-menu,
nav-tree) concurrently, matching pattern in all other apps
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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