I support it! We’ll implement whatever clients decide to support.
For now, we do support the pubkey param on our invoice page so clients could at least page that on to the invoice URL to avoid the first back and forth. https://nostr.wine/invoices?pubkey=npub18kzz4lkdtc5n729kvfunxuz287uvu9f64ywhjz43ra482t2y5sks0mx5sz