fix: convert input to hidden type for Select2 AJAX compatibility

Select2 with AJAX data requires hidden inputs, not text inputs.
Also fix test pollution by dequeuing scripts between tests.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: GaryJones

acm-autocomplete.js

@@ -72,9 +72,11 @@
 			// Destroy existing Select2 if present.
 			if ( $input.hasClass( 'select2-hidden-accessible' ) ) {
 				$input.select2( 'destroy' );
+				// Remove the Select2 container that gets left behind.
+				$argumentsContainer.find( '.select2-container' ).remove();
 			}
 
-			// Reset the input.
+			// Reset the input to a visible text input.
 			$input.val( '' ).attr( 'type', 'text' ).show();
 
 			// If this conditional supports autocomplete, initialize it.
@@ -121,6 +123,10 @@
 			var $input = $argumentsContainer.find( 'input[name="acm-arguments[]"]' );
 			var currentValue = $input.val();
 
+			// Select2 with AJAX requires a hidden input, not text input.
+			// Convert the text input to hidden type for Select2.
+			$input.attr( 'type', 'hidden' );
+
 			// Initialize Select2 with AJAX.
 			$input.select2({
 				ajax: {

tests/Integration/UI/ConditionalAutocompleteTest.php

@@ -31,6 +31,12 @@ final class ConditionalAutocompleteTest extends TestCase {
 	 */
 	public function set_up(): void {
 		parent::set_up();
+
+		// Ensure scripts are dequeued at the start of each test.
+		wp_dequeue_script( 'acm-conditional-autocomplete' );
+		wp_dequeue_script( 'selectWoo' );
+		wp_dequeue_style( 'select2' );
+
 		$this->autocomplete = new Conditional_Autocomplete();
 	}
 
@@ -228,6 +234,12 @@ public function test_search_tags(): void {
 	 */
 	public function tear_down(): void {
 		unset( $_GET['search'], $_GET['conditional'], $_GET['type'], $_GET['taxonomy'], $_GET['post_type'], $_GET['nonce'] );
+
+		// Dequeue scripts to prevent test pollution.
+		wp_dequeue_script( 'acm-conditional-autocomplete' );
+		wp_dequeue_script( 'selectWoo' );
+		wp_dequeue_style( 'select2' );
+
 		parent::tear_down();
 	}
 }