Initial commit

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

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+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace RobotNet10.MapManager.Data;
+
+/// <summary>
+/// Station entity - Interaction points for vehicles
+/// Maps to VDMA LIF: layouts[].stations[]
+/// </summary>
+[Table("Stations")]
+public class Station
+{
+    [Key]
+    [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
+    public Guid Id { get; set; }
+
+    /// <summary>
+    /// Parent level reference
+    /// </summary>
+    [Required]
+    public Guid LevelId { get; set; }
+
+    /// <summary>
+    /// Station identifier (VDMA LIF: stationId) - Required
+    /// Unique within level
+    /// </summary>
+    [Required]
+    [StringLength(128)]
+    public string StationId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Station name (VDMA LIF: stationName) - Optional
+    /// </summary>
+    [StringLength(256)]
+    public string? StationName { get; set; }
+
+    /// <summary>
+    /// Station description (VDMA LIF: stationDescription) - Optional
+    /// </summary>
+    public string? StationDescription { get; set; }
+
+    /// <summary>
+    /// Station height in meters (VDMA LIF: stationHeight) - Optional
+    /// </summary>
+    public double? StationHeight { get; set; }
+
+    /// <summary>
+    /// X coordinate in meters (VDMA LIF: stationPosition.x) - Required
+    /// </summary>
+    [Required]
+    public double X { get; set; }
+
+    /// <summary>
+    /// Y coordinate in meters (VDMA LIF: stationPosition.y) - Required
+    /// </summary>
+    [Required]
+    public double Y { get; set; }
+
+    /// <summary>
+    /// Theta orientation in radians (VDMA LIF: stationPosition.theta) - Optional
+    /// Range: [-Pi ... Pi]
+    /// </summary>
+    public double? Theta { get; set; }
+
+    // Navigation properties
+    [ForeignKey(nameof(LevelId))]
+    public virtual LayoutLevel Level { get; set; } = null!;
+
+    public virtual ICollection<StationInteractionNode> InteractionNodes { get; set; } = new List<StationInteractionNode>();
+}
+