Fix: System-wide type hardening and V3 API alignment

src/lib/ae_utils/ae_utils.ts

@@ -259,6 +259,20 @@ export const shorten_string = function shorten_string({
     return new_string;
 };
 
+// Svelte action to set focus on an element
+function set_focus(node: HTMLElement, focus: boolean) {
+    if (focus) {
+        node.focus();
+    }
+    return {
+        update(new_focus: boolean) {
+            if (new_focus) {
+                node.focus();
+            }
+        }
+    };
+}
+
 // Updated 2024-06-19
 // This function should return a shorted version of a filename if over the max length. It should always contain at least the first character of the original filename and the complete extension.
 // Example 1: The Original Long File Name.pdf -> The Orig....pdf
@@ -328,5 +342,6 @@ export const ae_util = {
     encrypt_content: encrypt_content,
     encrypt_wrapper: encrypt_wrapper,
     decrypt_content: decrypt_content,
-    decrypt_wrapper: decrypt_wrapper
+    decrypt_wrapper: decrypt_wrapper,
+    set_focus: set_focus
 };