first commit

Models/IOs/AdminSuggestionDtos.cs

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+namespace Fitness_core_BE.Models.IOs
+{
+    public record AdminExerciseInput(string Name, string? BreathIn, string? BreathOut, string? Position, string? Reps, int? Sets, string? Duration, string? VideoUrl, string? Description);
+    public record AdminWorkoutDayInput(string Day, string? Description, string? SuitableFor, string? Duration, string? WarmUp, string? Cooldown, List<AdminExerciseInput> Exercises);
+    public record AdminWorkoutSuggestionRequest(string Name, string Category, string? CategoryDescription, string? Description, List<AdminWorkoutDayInput> Days);
+    public record AdminFoodInput(string Name, string? Quantity);
+    public record AdminMealInput(string Name, string? Description, decimal? Calories, decimal? Protein, decimal? Carbohydrates, decimal? Fats, string? ServingSize, string? PreparationNotes, List<AdminFoodInput> Foods);
+    public record AdminMealSuggestionRequest(string Name, string Category, string? CategoryDescription, string? Description, List<AdminMealInput> Meals);
+}

Models/IOs/ApiRequest.cs

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+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Fitness_core_BE.Models.IOs
+{
+    [NotMapped]
+    public class ApiRequest
+    {
+        public string FunctionName { get; set; }
+
+        public object Payload { get; set; }
+
+        public string Reference { get; set; }
+    }
+}

Models/IOs/ApiResponse.cs

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+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+
+namespace Fitness_core_BE.Models.IOs
+{
+    [NotMapped]
+    public class ApiResponse<T>
+    {
+        public int StatusCode { get; set; }
+        [Required]
+        public string Message { get; set; }
+        [Required]
+        public T Data { get; set; }
+    }
+}

Models/IOs/ClientDtos.cs

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+namespace Fitness_core_BE.Models.IOs
+{
+    public record PagedResult<T>(List<T> Items, int Total, int Page, int PageSize);      //commonly tabel use
+
+    // Shared OTP-send response shape -- used by the client's own contact-detail-change OTP flow
+    // (ClientService.SendContactOtp via AuthOtpResponseParser), not onboarding-specific despite
+    // originally living in that file.
+    public record SendOtpResult(string ReferenceNumber, int ExpiresInSeconds, int ResendAllowedInSeconds);
+
+    // ---------- Admin: client directory ----------
+    public record ClientSummary(Guid ClientId, string? ClientName, string? City, string? PaymentTrack, bool IsActive, DateTime CreatedAt);
+    public record ClientDirectoryQuery(string? Search, int Page = 1, int PageSize = 20);
+
+    // ---------- Admin: access-device pairing & status ----------
+    public record PairingCodeResult(string Code, DateTime ExpiresAt);
+
+    // IsOnline is inferred from the client's on-prem bridge agent's last heartbeat — the cloud
+    // never talks to a device directly. AccessDevice isn't tied to a specific agent, so every
+    // device under a client shares the same IsOnline signal (see AdminClientDirectoryService).
+    public record AdminAgentDto(Guid AgentId, string Name, bool IsActive, DateTime? LastSeenAt, bool IsOnline, DateTime CreatedAt);
+    public record AdminDeviceDto(
+        Guid DeviceId,
+        string DeviceName,
+        bool IsActive,
+        DateTime? LastSeenAt,
+        bool IsOnline,
+        DateTime? PresenceExpiresAt,
+        bool IsClaimed,
+        DateTime CreatedAt);
+    public record AdminClientDevicesResult(List<AdminAgentDto> Agents, List<AdminDeviceDto> Devices);
+
+    // ---------- Client's own customers / staff ----------
+    public record CreateCustomerWithPlansRequest(
+        string Fullname, string UserName, string Email, string MobileNumber, string? Nic, string Gender, string? Birthday,
+        List<Guid>? WorkoutPlanIds, List<Guid>? MealPlanIds, Guid? CustomerPlanId,
+        DateTime? OnboardDate, bool ChargePayment = true,
+        // Set true only on the resubmit after staff has confirmed "yes, link this existing
+        // platform customer to my gym" -- see ClientService.CreateCustomerWithPlans.
+        bool ConfirmLink = false,
+        string? DiscountType = null, decimal? DiscountValue = null);
+
+    // MobileNumber (not PhoneNumber) -- must match the frontend's MemberInput.mobileNumber
+    // JSON key, same convention CreateCustomerWithPlansRequest above already uses. A prior
+    // mismatch here (PhoneNumber) silently bound to null on every edit, since ASP.NET Core's
+    // JSON binder does not fuzzy-match differently-named keys -- every customer phone edit was
+    // wiping the number instead of changing it.
+    public record UpdateCustomerByClientRequest(
+        string Fullname, string UserName, string Email, string? Nic, string? Gender, string? Birthday,
+        string? MobileNumber);
+
+    // "Parent" path: starts a brand new subscription for a customer who was created without
+    // a plan, with them as the primary member.
+    public record AssignCustomerPlanRequest(
+        Guid CustomerPlanId, DateTime? ExpiryDate, DateTime? OnboardDate, bool ChargePayment = true,
+        string? DiscountType = null, decimal? DiscountValue = null);
+
+    // Switches an existing Individual-scope subscription to a different Individual-scope plan.
+    public record ChangeMembershipPlanRequest(Guid CustomerPlanId);
+
+    // ---------- Client's own gym profile (post-activation) ----------
+    public record EquipmentCountDto(string Name, int Count);
+    public record UpdateGymProfileRequest(
+        string? BusinessName, string? Address, string? City, string? Description,
+        bool? HasAc, List<EquipmentCountDto>? Equipment);
+
+    // ---------- Gym-specific Terms & Conditions authoring ----------
+    public record PublishGymTermsRequest(string Content);
+
+    // ---------- Client's own contact detail change (OTP-verified) ----------
+    public record SendContactOtpRequest(string Type, string Identifier);
+    public record VerifyContactOtpRequest(string Type, string Identifier, string ReferenceNumber, string OtpCode);
+
+    // ---------- Member medical details unlock ----------
+    public record MedicalUnlockRequest(string Password);
+
+    // GymRoleId optional -- must belong to the caller's own client (validated in StaffService).
+    // Left null, the new staff member has no dashboard access until a role is assigned later.
+    public record CreateStaffRequest(string UserName, string Email, string PhoneNumber, string? StaffPosition, string? Department, DateTime? HireDate, Guid? GymRoleId = null);
+    public record UpdateStaffRequest(string? UserName, string? Email, string? PhoneNumber, string? StaffPosition, string? Department);
+}

Models/IOs/SmsDtos.cs

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+namespace Fitness_core_BE.Models.IOs
+{
+    public class SmsRequest
+    {
+        public string api_key { get; set; } = string.Empty;
+        public string phone_number { get; set; } = string.Empty;
+        public string msg_text { get; set; } = string.Empty;
+    }
+
+    public class OtpResponse
+    {
+        public int StatusCode { get; set; }
+        public string Message { get; set; } = string.Empty;
+        public string? ApiResponse { get; set; }
+        public string? Error { get; set; }
+    }
+}