Docs: Add Markdown field documentation for search states per AGENTS.md

Author: KSSJW

HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/DataPackListPageSkin.java

@@ -82,9 +82,13 @@ final class DataPackListPageSkin extends SkinBase<DataPackListPage> {
     private final JFXListView<DataPackInfoObject> listView;
     private final FilteredList<DataPackInfoObject> filteredList;
 
+    /// Whether the search mechanism is currently active.
     private final BooleanProperty isSearching = new SimpleBooleanProperty(false);
+
     private final BooleanProperty isSelecting = new SimpleBooleanProperty(false);
     private final JFXTextField searchField;
+
+    /// Timer for debouncing search input to avoid executing search on every keystroke.
     private final PauseTransition searchPause = new PauseTransition(Duration.millis(100));
 
     private static final AtomicInteger lastShiftClickIndex = new AtomicInteger(-1);

HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/ModListPageSkin.java

@@ -90,8 +90,12 @@ final class ModListPageSkin extends SkinBase<ModListPage> {
 
     private final JFXListView<ModInfoObject> listView;
 
+    /// Whether the search mechanism is currently active.
     private final BooleanProperty isSearching = new SimpleBooleanProperty(false);
+
     private final JFXTextField searchField;
+
+    /// Timer for debouncing search input to avoid executing search on every keystroke.
     private final PauseTransition searchPause = new PauseTransition(Duration.millis(100));
 
     ModListPageSkin(ModListPage skinnable) {

HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/ResourcePackListPage.java

@@ -266,7 +266,10 @@ private static final class ResourcePackListPageSkin extends SkinBase<ResourcePac
         private final HBox toolbarNormal = new HBox();
         private final HBox toolbarSelecting = new HBox();
 
+        /// Whether the search mechanism is currently active.
         private final BooleanProperty isSearching = new SimpleBooleanProperty(false);
+
+        /// Timer for debouncing search input to avoid executing search on every keystroke.
         private final PauseTransition searchPause = new PauseTransition(Duration.millis(100));
 
         private ResourcePackListPageSkin(ResourcePackListPage control) {