Initial commit

srcs/RobotNet10/Commons/RobotNet10.MapManager/Data/LayoutLevel.cs

@@ -0,0 +1,51 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace RobotNet10.MapManager.Data;
+
+/// <summary>
+/// Layout level entity - Represents floors/levels within a version
+/// Maps to VDMA LIF: layouts[].layoutLevelId
+/// </summary>
+[Table("LayoutLevels")]
+public class LayoutLevel
+{
+    [Key]
+    [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
+    public Guid Id { get; set; }
+
+    /// <summary>
+    /// Parent version reference
+    /// </summary>
+    [Required]
+    public Guid VersionId { get; set; }
+
+    /// <summary>
+    /// Level identifier (VDMA LIF: layoutLevelId)
+    /// Example: "floor_1", "floor_2", "basement"
+    /// </summary>
+    [Required]
+    [StringLength(64)]
+    public string LayoutLevelId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Display order (for sorting in UI)
+    /// Example: Basement=-1, Floor1=0, Floor2=1
+    /// </summary>
+    [Required]
+    public int LevelOrder { get; set; } = 0;
+
+    // Navigation properties
+    [ForeignKey(nameof(VersionId))]
+    public virtual LayoutVersion Version { get; set; } = null!;
+
+    public virtual ICollection<Node> Nodes { get; set; } = new List<Node>();
+    public virtual ICollection<Edge> Edges { get; set; } = new List<Edge>();
+    public virtual ICollection<Station> Stations { get; set; } = new List<Station>();
+
+    /// <summary>
+    /// Editor-specific settings (UI extensions, not part of VDMA LIF)
+    /// </summary>
+    public virtual LayoutLevelEditorSettings? EditorSettings { get; set; }
+}
+