Recently added, shop sorting, and outfit cards with T5 products

- The inventory's Recently Added puts T5 products added to the library in the last 30 days first.
- The shop's T5 listing follows its sort menu: Best Match ranks by name, Newest by upload date
  (oldest first ascending); ratings and prices (T5 products have neither) sort by newest.
- Outfit cards: outfit_products.php gets the outfit's community products added (not for sale),
  find_bundle.php is asked about IMVU's products only, and removing one in the card (remove_pids)
  keeps it from IMVU and forgets it in the outfit.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

internal/products/products.go

@@ -64,6 +64,8 @@ type Products struct {
 	Shop         func(ctx context.Context, query string) ([]hub.Product, error)
 	Fetch        func(ctx context.Context, id string) error
 	AddToLibrary func(ctx context.Context, id string) error
+	// Library, if set, is the person's hub library as last read (for the inventory's Recently Added).
+	Library func() []hub.LibraryEntry
 
 	roomMu sync.Mutex
 	room   room