Some type weirdness going on, which this resolves.

Potential bug in svelte itself, see:

- sveltejs/svelte#13670
- sveltejs/svelte#15182

Author: aaroncox

src/lib/components/transact/error.svelte

@@ -6,7 +6,7 @@
 	interface Props {
 		error?: string;
 		hidden?: boolean;
-		onfailure?: Snippet;
+		onfailure?: () => ReturnType<import('svelte').Snippet>;
 	}
 
 	const { error, hidden, onfailure }: Props = $props();

src/lib/components/transact/form.svelte

@@ -8,9 +8,9 @@
 	interface TransactFormProps {
 		children: Snippet;
 		id?: Checksum256;
-		onsuccess?: Snippet;
+		onsuccess?: () => ReturnType<import('svelte').Snippet>;
 		error?: string;
-		onfailure?: Snippet;
+		onfailure?: () => ReturnType<import('svelte').Snippet>;
 	}
 
 	let { error, id, onfailure, onsuccess, ...props }: TransactFormProps = $props();

src/lib/components/transact/summary.svelte

@@ -17,7 +17,7 @@
 	interface Props {
 		transactionId?: Checksum256 | string;
 		hidden?: boolean;
-		onsuccess?: Snippet;
+		onsuccess?: () => ReturnType<import('svelte').Snippet>;
 	}
 
 	const { transactionId, hidden, onsuccess }: Props = $props();