Initial commit

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

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+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace RobotNet10.MapManager.Data;
+
+/// <summary>
+/// Edge entity - Paths between nodes
+/// Maps to VDMA LIF: layouts[].edges[]
+/// </summary>
+[Table("Edges")]
+public class Edge
+{
+    [Key]
+    [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
+    public Guid Id { get; set; }
+
+    /// <summary>
+    /// Parent level reference
+    /// </summary>
+    [Required]
+    public Guid LevelId { get; set; }
+
+    /// <summary>
+    /// Edge identifier (VDMA LIF: edgeId) - Required
+    /// Unique within level
+    /// </summary>
+    [Required]
+    [StringLength(128)]
+    public string EdgeId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Start node reference (VDMA LIF: startNodeId) - Required
+    /// </summary>
+    [Required]
+    public Guid StartNodeId { get; set; }
+
+    /// <summary>
+    /// End node reference (VDMA LIF: endNodeId) - Required
+    /// </summary>
+    [Required]
+    public Guid EndNodeId { get; set; }
+
+    /// <summary>
+    /// Edge name - Extension field (NOT in VDMA LIF)
+    /// For UI/display purposes only
+    /// </summary>
+    [StringLength(256)]
+    public string? EdgeName { get; set; }
+
+    /// <summary>
+    /// Edge description - Extension field (NOT in VDMA LIF)
+    /// For UI/display purposes only
+    /// </summary>
+    public string? EdgeDescription { get; set; }
+
+    // Navigation properties
+    [ForeignKey(nameof(LevelId))]
+    public virtual LayoutLevel Level { get; set; } = null!;
+
+    [ForeignKey(nameof(StartNodeId))]
+    public virtual Node StartNode { get; set; } = null!;
+
+    [ForeignKey(nameof(EndNodeId))]
+    public virtual Node EndNode { get; set; } = null!;
+
+    public virtual ICollection<EdgeVehicleProperty> VehicleProperties { get; set; } = new List<EdgeVehicleProperty>();
+}
+