update demos/embeds

Author: sidvishnoi

src/content/blog/2026-04-08-web-monetization-open-payments-part-3-sending-money.md

@@ -120,7 +120,7 @@ setInterval(() => {
 }, this.interval.period)
 ```
 
-[TODO: show an illustration of how "time loop" works. show bucket filling: example: MXN to USD, MXN, EUR wallets. try to create a live interactive demonstration if enough time. Will explain much better that way.]
+<iframe src="https://labs.sidvishnoi.com/web-monetization/open-payments-part-3-sending-money/payment-bucket/" style="width: 100%; max-width: 600px; display: block; margin-inline: auto; aspect-ratio: 600/622; border: none" loading="lazy" scrolling="no"></iframe>
 
 #### What if you switched the browser tab?
 
@@ -142,7 +142,7 @@ When iframes are involved, the extension follows a specific "round-robin" sequen
 
 This loop continues indefinitely as long as the tab remains in view, ensuring that both the primary publisher and the embedded content creators receive a continuous stream of support.
 
-<iframe src="https://sidvishnoi.com/embeds/web-monetization-open-payments-part-3-sending-money/iframes/index.html" style="width: 100%; aspect-ratio: 500/843; aspect-ratio: 1200/500; border: none" loading="lazy" scrolling="no"></iframe>
+<iframe src="https://labs.sidvishnoi.com/web-monetization/open-payments-part-3-sending-money/iframe-flow" style="width: 100%; aspect-ratio: 500/843; aspect-ratio: 1200/500; border: none" loading="lazy" scrolling="no"></iframe>
 
 ### Create outgoing payment