first commit

Models/ClientTerms.cs

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+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Fitness_core_BE.Models
+{
+    /// <summary>A gym's own Terms &amp; Conditions, authored in the client portal. Only one row per
+    /// (ClientId, IsActive=true) at a time — publishing a new version deactivates the old one so
+    /// CustomerTermsAcceptance rows keep pointing at the exact version they accepted.</summary>
+    public class ClientTerms
+    {
+        [Key]
+        public Guid ClientTermsId { get; set; }
+
+        public Guid FKClientId { get; set; }
+        [ForeignKey("FKClientId")]
+        public virtual Client? Client { get; set; }
+
+        public int Version { get; set; } = 1;
+        public string Content { get; set; } = string.Empty;
+
+        public bool IsActive { get; set; } = true;
+        public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+    }
+}