feat: enhance pre-operation check with background processing and error handling

Author: lakernote

src/main/java/com/laker/postman/common/constants/ModernColors.java

@@ -182,6 +182,23 @@ public final class ModernColors {
      */
     public static final Color NEUTRAL_DARKER = new Color(51, 65, 85);
 
+    // ==================== Git 操作颜色（现代简约风格）====================
+
+    /**
+     * Git Commit（提交）- 柔和翠绿色
+     */
+    public static final Color GIT_COMMIT = new Color(34, 197, 94);  // Green-500
+
+    /**
+     * Git Push（推送）- 优雅深蓝色
+     */
+    public static final Color GIT_PUSH = new Color(59, 130, 246);  // Blue-500
+
+    /**
+     * Git Pull（拉取）- 清新紫色
+     */
+    public static final Color GIT_PULL = new Color(168, 85, 247);  // Purple-500
+
     // ==================== 中性色系 - 文字 ====================
 
     /**

src/main/java/com/laker/postman/model/GitOperation.java

@@ -1,5 +1,6 @@
 package com.laker.postman.model;
 
+import com.laker.postman.common.constants.ModernColors;
 import com.laker.postman.util.I18nUtil;
 import com.laker.postman.util.MessageKeys;
 import lombok.Getter;
@@ -8,9 +9,9 @@
 
 @Getter
 public enum GitOperation {
-    COMMIT(I18nUtil.getMessage(MessageKeys.GIT_OPERATION_COMMIT), "icons/git-commit.svg", new Color(34, 139, 34)),
-    PUSH(I18nUtil.getMessage(MessageKeys.GIT_OPERATION_PUSH), "icons/git-push.svg", new Color(30, 144, 255)),
-    PULL(I18nUtil.getMessage(MessageKeys.GIT_OPERATION_PULL), "icons/git-pull.svg", new Color(216, 209, 160));
+    COMMIT(I18nUtil.getMessage(MessageKeys.GIT_OPERATION_COMMIT), "icons/git-commit.svg", ModernColors.GIT_COMMIT),
+    PUSH(I18nUtil.getMessage(MessageKeys.GIT_OPERATION_PUSH), "icons/git-push.svg", ModernColors.GIT_PUSH),
+    PULL(I18nUtil.getMessage(MessageKeys.GIT_OPERATION_PULL), "icons/git-pull.svg", ModernColors.GIT_PULL);
 
     private final String displayName;
     private final String iconName;