[Feature] [Vibe] 账户选项添加到实例管理

HMCL/src/main/java/org/jackhuang/hmcl/setting/AccountSelectionType.java

@@ -0,0 +1,34 @@
+/*
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2026 huangyuhui <huanghongxun2008@126.com> and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.jackhuang.hmcl.setting;
+
+import org.jetbrains.annotations.NotNullByDefault;
+
+/// Selects how HMCL resolves the account used to launch a game.
+///
+/// Additional payload for [SPECIFIC] is stored in `GameSettings.specificAccountID`.
+///
+/// @author Glavo
+@NotNullByDefault
+public enum AccountSelectionType {
+    /// Follows the account currently selected in the account list.
+    GLOBAL,
+
+    /// Uses the account specified by `GameSettings.specificAccountID`.
+    SPECIFIC
+}

HMCL/src/main/java/org/jackhuang/hmcl/setting/GameSettings.java

@@ -26,6 +26,7 @@
 import javafx.beans.property.SimpleObjectProperty;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableSet;
+import org.jackhuang.hmcl.auth.AccountID;
 import org.jackhuang.hmcl.game.*;
 import org.jackhuang.hmcl.java.JavaManager;
 import org.jackhuang.hmcl.java.JavaRuntime;
@@ -704,6 +705,32 @@ public InheritableProperty<String> postExitCommandProperty() {
         return postExitCommand;
     }
 
+    /// Property name for the account selection mode.
+    public static final String PROPERTY_ACCOUNT_TYPE = "accountType";
+
+    /// The account selection mode.
+    @SerializedName(PROPERTY_ACCOUNT_TYPE)
+    private final InheritableProperty<AccountSelectionType> accountType =
+            newInheritableProperty(PROPERTY_ACCOUNT_TYPE, AccountSelectionType.GLOBAL);
+
+    /// Returns the account selection mode property.
+    public InheritableProperty<AccountSelectionType> accountTypeProperty() {
+        return accountType;
+    }
+
+    /// Property name for the account used by `SPECIFIC` account selection mode.
+    public static final String PROPERTY_SPECIFIC_ACCOUNT_ID = "specificAccountID";
+
+    /// Account used by `SPECIFIC` account selection mode.
+    @SerializedName(PROPERTY_SPECIFIC_ACCOUNT_ID)
+    private final InheritableProperty<@Nullable AccountID> specificAccountID =
+            newInheritableProperty(PROPERTY_SPECIFIC_ACCOUNT_ID);
+
+    /// Returns the account used by `SPECIFIC` account selection mode property.
+    public InheritableProperty<@Nullable AccountID> specificAccountIDProperty() {
+        return specificAccountID;
+    }
+
     /// Property name for the quick play target type.
     public static final String PROPERTY_QUICK_PLAY = "quickPlay";
 

HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/RadioChoiceList.java

@@ -214,6 +214,9 @@ public static class Choice<T extends @UnknownNullability Object> {
         /// The optional subtitle shown on the right side.
         protected @Nullable String subtitle;
 
+        /// The label rendering the current subtitle, kept for dynamic subtitle updates.
+        private @Nullable javafx.scene.control.Label subtitleLabel;
+
         /// The optional tooltip installed on the radio button.
         protected @Nullable String tooltip;
 
@@ -251,6 +254,9 @@ public Choice<T> setTitle(String title) {
         /// Sets the optional subtitle.
         public Choice<T> setSubtitle(@Nullable String subtitle) {
             this.subtitle = subtitle;
+            if (subtitleLabel != null) {
+                subtitleLabel.setText(subtitle);
+            }
             return this;
         }
 
@@ -332,6 +338,7 @@ private Node createSubtitleLabel() {
             label.getStyleClass().add("subtitle-label");
             label.setStyle("-fx-font-size: 10;");
             label.setPadding(new Insets(0, 0, 0, 15));
+            subtitleLabel = label;
             return label;
         }
     }