优化小车卡片界面和车队编队的功能，优化首页菜单的快捷入口功能

MiGu.Server/Persistence/PlatformPersistence.cs

@@ -41,6 +41,7 @@ public static class PlatformPersistence
         services.AddScoped<WmsReferenceValidator>();
         services.AddScoped<WmsService>();
         services.AddScoped<SimpleFieldService>();
+        services.AddScoped<MiGu.Server.Dashboard.DashboardShortcutService>();
         return services;
     }
 
@@ -51,6 +52,7 @@ public static class PlatformPersistence
         await db.Database.EnsureCreatedAsync();
         // EnsureCreated 只在「库文件不存在」时建表；已有 platform.db 时新增实体不会自动补表。
         await EnsureSimpleFieldsTableAsync(db);
+        await EnsureUserDashboardShortcutsTableAsync(db);
     }
 
     /// <summary>为已存在的数据库补建 simple_fields 表（幂等）。</summary>
@@ -99,6 +101,30 @@ public static class PlatformPersistence
         }
     }
 
+    /// <summary>为已存在的数据库补建 user_dashboard_shortcuts 表（幂等）。</summary>
+    private static async Task EnsureUserDashboardShortcutsTableAsync(PlatformDbContext db)
+    {
+        if (db.Database.IsSqlite())
+        {
+            await db.Database.ExecuteSqlRawAsync("""
+                CREATE TABLE IF NOT EXISTS user_dashboard_shortcuts (
+                    user_id TEXT NOT NULL,
+                    scope TEXT NOT NULL,
+                    keys_json TEXT NOT NULL DEFAULT '[]',
+                    updated_at TEXT NOT NULL,
+                    CONSTRAINT PK_user_dashboard_shortcuts PRIMARY KEY (user_id, scope)
+                );
+                """);
+            return;
+        }
+
+        if (!await TableExistsAsync(db, "user_dashboard_shortcuts"))
+        {
+            var creator = db.GetService<Microsoft.EntityFrameworkCore.Storage.IRelationalDatabaseCreator>();
+            await creator.CreateTablesAsync();
+        }
+    }
+
     /// <summary>
     /// 检查表是否存在
     /// </summary>