diff --git a/src/GreenHome.Application/Dtos.cs b/src/GreenHome.Application/Dtos.cs
deleted file mode 100644
index c7e05bb..0000000
--- a/src/GreenHome.Application/Dtos.cs
+++ /dev/null
@@ -1,409 +0,0 @@
-using Domain = GreenHome.Domain;
-
-namespace GreenHome.Application;
-
-// DTOs
-public sealed class DeviceDto
-{
-    public int Id { get; set; }
-    public string DeviceName { get; set; } = string.Empty;
-    public int UserId { get; set; }
-    public string UserName { get; set; } = string.Empty;
-    public string UserFamily { get; set; } = string.Empty;
-    public string UserMobile { get; set; } = string.Empty;
-    public string Location { get; set; } = string.Empty;
-    public string NeshanLocation { get; set; } = string.Empty;
-}
-
-public sealed class TelemetryDto
-{
-    public int Id { get; set; }
-    public int DeviceId { get; set; }
-    public string? DeviceName { get; set; }
-    public DateTime? TimestampUtc { get; set; }
-    public decimal TemperatureC { get; set; }
-    public decimal HumidityPercent { get; set; }
-    public decimal SoilPercent { get; set; }
-    public int GasPPM { get; set; }
-    public decimal? Voltage { get; set; }
-    public decimal? BatteryVoltage { get; set; }
-    public decimal? BatteryPercent { get; set; }
-    public byte? Power { get; set; }
-    public byte? OldPower { get; set; }
-    public decimal Lux { get; set; }
-    public int? PersianYear { get; set; }
-    public int? PersianMonth { get; set; }
-    public string PersianDate { get; set; } = string.Empty;
-    public DateTime? ServerTimestampUtc { get; set; }
-}
-
-public sealed class TelemetryFilter
-{
-    public int? DeviceId { get; set; }
-    public DateTime? StartDateUtc { get; set; }
-    public DateTime? EndDateUtc { get; set; }
-    public int Page { get; set; } = 1;
-    public int PageSize { get; set; } = 20;
-}
-
-public sealed class PagedResult<T>
-{
-    public required IReadOnlyList<T> Items { get; init; }
-    public required int TotalCount { get; init; }
-    public required int Page { get; init; }
-    public required int PageSize { get; init; }
-}
-
-public sealed class TelemetryMinMax
-{
-    public decimal MinTemperatureC { get; set; }
-    public decimal MaxTemperatureC { get; set; }
-    public decimal MinHumidityPercent { get; set; }
-    public decimal MaxHumidityPercent { get; set; }
-    public decimal MinSoilPercent { get; set; }
-    public decimal MaxSoilPercent { get; set; }
-    public int MinGasPPM { get; set; }
-    public int MaxGasPPM { get; set; }
-    public decimal MinLux { get; set; }
-    public decimal MaxLux { get; set; }
-}
-
-public sealed class DayCount
-{
-    public string PersianDate { get; set; } = string.Empty;
-    public int Count { get; set; }
-}
-
-public sealed class SendCodeRequest
-{
-    public required string Mobile { get; set; }
-}
-
-public sealed class SendCodeResponse
-{
-    public bool Success { get; set; }
-    public string? Message { get; set; }
-    public int ResendAfterSeconds { get; set; } = 120;
-}
-
-public sealed class VerifyCodeRequest
-{
-    public required string Mobile { get; set; }
-    public required string Code { get; set; }
-}
-
-public sealed class VerifyCodeResponse
-{
-    public bool Success { get; set; }
-    public string? Message { get; set; }
-    public string? Token { get; set; }
-    public UserDto? User { get; set; }
-}
-
-public sealed class UserDto
-{
-    public int Id { get; set; }
-    public string Mobile { get; set; } = string.Empty;
-    public string Name { get; set; } = string.Empty;
-    public string Family { get; set; } = string.Empty;
-    public Domain.UserRole Role { get; set; }
-}
-
-public sealed class DeviceFilter
-{
-    public int? UserId { get; set; }
-    public string? Search { get; set; } // جستجو در نام دستگاه، نام صاحب، نام خانوادگی صاحب، Location
-    public int Page { get; set; } = 1;
-    public int PageSize { get; set; } = 10;
-}
-
-public sealed class DeviceSettingsDto
-{
-    public int Id { get; set; }
-    public int DeviceId { get; set; }
-    public string DeviceName { get; set; } = string.Empty;
-    
-    public string Province { get; set; } = string.Empty;
-    public string City { get; set; } = string.Empty;
-    public decimal? Latitude { get; set; }
-    public decimal? Longitude { get; set; }
-    
-    public string ProductType { get; set; } = string.Empty;
-    public int MinimumSmsIntervalMinutes { get; set; } = 15;
-    public int MinimumCallIntervalMinutes { get; set; } = 60;
-    public decimal? AreaSquareMeters { get; set; }
-    
-    public int UploadIntervalMin { get; set; } = 5;
-    public string DevicePhoneNumber { get; set; } = string.Empty;
-    public Domain.SimCardType? SimCardType { get; set; }
-    public int RelayCount { get; set; } = 4;
-    public string SmsRecievers { get; set; } = string.Empty;
-    public string? TokenCode { get; set; }
-    public string? VerificationCode { get; set; }
-    public DateTime? TokenExpiresAt { get; set; }
-    
-    public DateTime CreatedAt { get; set; }
-    public DateTime UpdatedAt { get; set; }
-}
-
-public sealed class AlertConditionDto
-{
-    public int Id { get; set; }
-    public int DeviceId { get; set; }
-    public string DeviceName { get; set; } = string.Empty;
-    public Domain.AlertNotificationType NotificationType { get; set; }
-    public Domain.AlertTimeType TimeType { get; set; }
-    public int CallCooldownMinutes { get; set; } = 60;
-    public int SmsCooldownMinutes { get; set; } = 15;
-    public bool IsEnabled { get; set; } = true;
-    public DateTime CreatedAt { get; set; }
-    public DateTime UpdatedAt { get; set; }
-    public List<AlertRuleDto> Rules { get; set; } = new();
-}
-
-public sealed class AlertRuleDto
-{
-    public int Id { get; set; }
-    public int AlertConditionId { get; set; }
-    public Domain.SensorType SensorType { get; set; }
-    public Domain.ComparisonType ComparisonType { get; set; }
-    public decimal Value1 { get; set; }
-    public decimal? Value2 { get; set; }
-    public int Order { get; set; }
-}
-
-/// <summary>
-/// DTO for relay alert conditions (notificationType > 0)
-/// </summary>
-public sealed class RelayConditionDto
-{
-    public int Enabled { get; set; }
-    public int TimeType { get; set; }
-    public string Relay { get; set; } = string.Empty;
-    public List<RelayRuleDto> Rules { get; set; } = new();
-}
-
-/// <summary>
-/// DTO for relay condition rules
-/// </summary>
-public sealed class RelayRuleDto
-{
-    public string Sensor { get; set; } = string.Empty;
-    public string Op { get; set; } = string.Empty;
-    public decimal V1 { get; set; }
-    public decimal? V2 { get; set; }
-}
-
-public sealed class CreateAlertConditionRequest
-{
-    public required int DeviceId { get; set; }
-    public required Domain.AlertNotificationType NotificationType { get; set; }
-    public required Domain.AlertTimeType TimeType { get; set; }
-    public int CallCooldownMinutes { get; set; } = 60;
-    public int SmsCooldownMinutes { get; set; } = 15;
-    public bool IsEnabled { get; set; } = true;
-    public required List<CreateAlertRuleRequest> Rules { get; set; }
-}
-
-public sealed class CreateAlertRuleRequest
-{
-    public required Domain.SensorType SensorType { get; set; }
-    public required Domain.ComparisonType ComparisonType { get; set; }
-    public required decimal Value1 { get; set; }
-    public decimal? Value2 { get; set; }
-    public int Order { get; set; }
-}
-
-public sealed class UpdateAlertConditionRequest
-{
-    public required int Id { get; set; }
-    public required Domain.AlertNotificationType NotificationType { get; set; }
-    public required Domain.AlertTimeType TimeType { get; set; }
-    public int CallCooldownMinutes { get; set; } = 60;
-    public int SmsCooldownMinutes { get; set; } = 15;
-    public bool IsEnabled { get; set; } = true;
-    public required List<CreateAlertRuleRequest> Rules { get; set; }
-}
-
-public sealed class DailyReportRequest
-{
-    public required int DeviceId { get; set; }
-    public required string PersianDate { get; set; } // yyyy/MM/dd
-}
-
-public sealed class DailyReportResponse
-{
-    public int Id { get; set; }
-    public int DeviceId { get; set; }
-    public string DeviceName { get; set; } = string.Empty;
-    public string PersianDate { get; set; } = string.Empty;
-    public string Analysis { get; set; } = string.Empty;
-    public int RecordCount { get; set; }
-    public int SampledRecordCount { get; set; }
-    public int TotalTokens { get; set; }
-    public DateTime CreatedAt { get; set; }
-    public bool FromCache { get; set; }
-}
-
-public sealed class WeeklyAnalysisRequest
-{
-    public required int DeviceId { get; set; }
-    public required string StartDate { get; set; } // yyyy/MM/dd
-    public required string EndDate { get; set; } // yyyy/MM/dd
-}
-
-public sealed class MonthlyAnalysisRequest
-{
-    public required int DeviceId { get; set; }
-    public required int Year { get; set; }
-    public required int Month { get; set; }
-}
-
-public sealed class AlertLogDto
-{
-    public int Id { get; set; }
-    public int DeviceId { get; set; }
-    public string DeviceName { get; set; } = string.Empty;
-    public int UserId { get; set; }
-    public string UserName { get; set; } = string.Empty;
-    public string UserMobile { get; set; } = string.Empty;
-    public int? AlertConditionId { get; set; }
-    public Domain.AlertType AlertType { get; set; }
-    public Domain.AlertNotificationType NotificationType { get; set; }
-    public string Message { get; set; } = string.Empty;
-    public Domain.AlertStatus Status { get; set; }
-    public string? ErrorMessage { get; set; }
-    public string PhoneNumber { get; set; } = string.Empty;
-    public DateTime SentAt { get; set; }
-    public long ProcessingTimeMs { get; set; }
-}
-
-public sealed class AlertLogFilter
-{
-    public int? DeviceId { get; set; }
-    public int? UserId { get; set; }
-    public Domain.AlertType? AlertType { get; set; }
-    public Domain.AlertStatus? Status { get; set; }
-    public DateTime? StartDate { get; set; }
-    public DateTime? EndDate { get; set; }
-    public int Page { get; set; } = 1;
-    public int PageSize { get; set; } = 20;
-}
-
-public sealed class UserDailyReportDto
-{
-    public int Id { get; set; }
-    public int DeviceId { get; set; }
-    public string DeviceName { get; set; } = string.Empty;
-    public int UserId { get; set; }
-    public string UserName { get; set; } = string.Empty;
-    public string UserFamily { get; set; } = string.Empty;
-    public string PersianDate { get; set; } = string.Empty;
-    public string Title { get; set; } = string.Empty;
-    public string Observations { get; set; } = string.Empty;
-    public string Operations { get; set; } = string.Empty;
-    public string? Notes { get; set; }
-    public List<ReportImageDto> Images { get; set; } = new();
-    public DateTime CreatedAt { get; set; }
-    public DateTime UpdatedAt { get; set; }
-}
-
-public sealed class ReportImageDto
-{
-    public int Id { get; set; }
-    public string FileName { get; set; } = string.Empty;
-    public string FilePath { get; set; } = string.Empty;
-    public string ContentType { get; set; } = string.Empty;
-    public long FileSize { get; set; }
-    public string? Description { get; set; }
-    public DateTime UploadedAt { get; set; }
-}
-
-public sealed class CreateUserDailyReportRequest
-{
-    public required int DeviceId { get; set; }
-    public required int UserId { get; set; }
-    public required string PersianDate { get; set; }
-    public required string Title { get; set; }
-    public required string Observations { get; set; }
-    public required string Operations { get; set; }
-    public string? Notes { get; set; }
-}
-
-public sealed class UpdateUserDailyReportRequest
-{
-    public required int Id { get; set; }
-    public required string Title { get; set; }
-    public required string Observations { get; set; }
-    public required string Operations { get; set; }
-    public string? Notes { get; set; }
-}
-
-public sealed class UserDailyReportFilter
-{
-    public int? DeviceId { get; set; }
-    public int? UserId { get; set; }
-    public string? PersianDate { get; set; }
-    public int? Year { get; set; }
-    public int? Month { get; set; }
-    public int Page { get; set; } = 1;
-    public int PageSize { get; set; } = 20;
-}
-
-// DTOs برای مدیریت توکن دستگاه
-
-/// <summary>
-/// درخواست دریافت فاصله زمانی آپلود
-/// </summary>
-public sealed class GetUploadIntervalRequest
-{
-    public int? DeviceId { get; set; }
-    public string? DevicePhoneNumber { get; set; }
-}
-
-/// <summary>
-/// پاسخ دریافت فاصله زمانی آپلود
-/// </summary>
-public sealed class GetUploadIntervalResponse
-{
-    public bool Success { get; set; }
-    public string? Message { get; set; }
-    public int? UploadIntervalMin { get; set; }
-}
-
-/// <summary>
-/// درخواست دریافت توکن دستگاه
-/// </summary>
-public sealed class RequestDeviceTokenRequest
-{
-    public required string DevicePhoneNumber { get; set; }
-}
-
-/// <summary>
-/// پاسخ دریافت توکن دستگاه
-/// </summary>
-public sealed class RequestDeviceTokenResponse
-{
-    public bool Success { get; set; }
-    public string? Message { get; set; }
-    public string? TokenCode { get; set; }
-}
-
-/// <summary>
-/// درخواست تایید توکن دستگاه
-/// </summary>
-public sealed class VerifyDeviceTokenRequest
-{
-    public required string DevicePhoneNumber { get; set; }
-    public required string VerificationCode { get; set; }
-}
-
-/// <summary>
-/// پاسخ تایید توکن دستگاه
-/// </summary>
-public sealed class VerifyDeviceTokenResponse
-{
-    public bool Success { get; set; }
-    public string? Message { get; set; }
-    public string? EncodedSettings { get; set; }
-}
\ No newline at end of file
diff --git a/src/GreenHome.Application/Dtos/AI/AIQueryStats.cs b/src/GreenHome.Application/Dtos/AI/AIQueryStats.cs
new file mode 100644
index 0000000..4e0904e
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/AI/AIQueryStats.cs
@@ -0,0 +1,42 @@
+namespace GreenHome.Application;
+
+/// <summary>
+/// Statistics about AI query usage
+/// </summary>
+public sealed class AIQueryStats
+{
+    /// <summary>
+    /// Total number of queries made
+    /// </summary>
+    public int TotalQueries { get; set; }
+
+    /// <summary>
+    /// Total tokens used across all queries
+    /// </summary>
+    public int TotalTokensUsed { get; set; }
+
+    /// <summary>
+    /// Total prompt tokens used
+    /// </summary>
+    public int TotalPromptTokens { get; set; }
+
+    /// <summary>
+    /// Total completion tokens used
+    /// </summary>
+    public int TotalCompletionTokens { get; set; }
+
+    /// <summary>
+    /// Average response time in milliseconds
+    /// </summary>
+    public double AverageResponseTimeMs { get; set; }
+
+    /// <summary>
+    /// Number of queries made today
+    /// </summary>
+    public int TodayQueries { get; set; }
+
+    /// <summary>
+    /// Total tokens used today
+    /// </summary>
+    public int TodayTokens { get; set; }
+}
diff --git a/src/GreenHome.Application/Dtos/Alert/AlertConditionDto.cs b/src/GreenHome.Application/Dtos/Alert/AlertConditionDto.cs
new file mode 100644
index 0000000..2dd27e8
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/Alert/AlertConditionDto.cs
@@ -0,0 +1,29 @@
+using Domain = GreenHome.Domain;
+
+namespace GreenHome.Application;
+
+public sealed class AlertConditionDto
+{
+    public int Id { get; set; }
+    public int DeviceId { get; set; }
+    public string DeviceName { get; set; } = string.Empty;
+    public Domain.AlertNotificationType NotificationType { get; set; }
+    public Domain.AlertTimeType TimeType { get; set; }
+    public int CallCooldownMinutes { get; set; } = 60;
+    public int SmsCooldownMinutes { get; set; } = 15;
+    public bool IsEnabled { get; set; } = true;
+    public DateTime CreatedAt { get; set; }
+    public DateTime UpdatedAt { get; set; }
+    public List<AlertRuleDto> Rules { get; set; } = new();
+}
+
+public sealed class AlertRuleDto
+{
+    public int Id { get; set; }
+    public int AlertConditionId { get; set; }
+    public Domain.SensorType SensorType { get; set; }
+    public Domain.ComparisonType ComparisonType { get; set; }
+    public decimal Value1 { get; set; }
+    public decimal? Value2 { get; set; }
+    public int Order { get; set; }
+}
diff --git a/src/GreenHome.Application/Dtos/Alert/AlertLogDto.cs b/src/GreenHome.Application/Dtos/Alert/AlertLogDto.cs
new file mode 100644
index 0000000..27d0fd4
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/Alert/AlertLogDto.cs
@@ -0,0 +1,22 @@
+using Domain = GreenHome.Domain;
+
+namespace GreenHome.Application;
+
+public sealed class AlertLogDto
+{
+    public int Id { get; set; }
+    public int DeviceId { get; set; }
+    public string DeviceName { get; set; } = string.Empty;
+    public int UserId { get; set; }
+    public string UserName { get; set; } = string.Empty;
+    public string UserMobile { get; set; } = string.Empty;
+    public int? AlertConditionId { get; set; }
+    public Domain.AlertType AlertType { get; set; }
+    public Domain.AlertNotificationType NotificationType { get; set; }
+    public string Message { get; set; } = string.Empty;
+    public Domain.AlertStatus Status { get; set; }
+    public string? ErrorMessage { get; set; }
+    public string PhoneNumber { get; set; } = string.Empty;
+    public DateTime SentAt { get; set; }
+    public long ProcessingTimeMs { get; set; }
+}
diff --git a/src/GreenHome.Application/Dtos/Alert/AlertLogFilter.cs b/src/GreenHome.Application/Dtos/Alert/AlertLogFilter.cs
new file mode 100644
index 0000000..365480c
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/Alert/AlertLogFilter.cs
@@ -0,0 +1,15 @@
+using Domain = GreenHome.Domain;
+
+namespace GreenHome.Application;
+
+public sealed class AlertLogFilter
+{
+    public int? DeviceId { get; set; }
+    public int? UserId { get; set; }
+    public Domain.AlertType? AlertType { get; set; }
+    public Domain.AlertStatus? Status { get; set; }
+    public DateTime? StartDate { get; set; }
+    public DateTime? EndDate { get; set; }
+    public int Page { get; set; } = 1;
+    public int PageSize { get; set; } = 20;
+}
diff --git a/src/GreenHome.Application/Dtos/Alert/CreateAlertConditionRequest.cs b/src/GreenHome.Application/Dtos/Alert/CreateAlertConditionRequest.cs
new file mode 100644
index 0000000..a167e6e
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/Alert/CreateAlertConditionRequest.cs
@@ -0,0 +1,34 @@
+using Domain = GreenHome.Domain;
+
+namespace GreenHome.Application;
+
+public sealed class CreateAlertConditionRequest
+{
+    public required int DeviceId { get; set; }
+    public required Domain.AlertNotificationType NotificationType { get; set; }
+    public required Domain.AlertTimeType TimeType { get; set; }
+    public int CallCooldownMinutes { get; set; } = 60;
+    public int SmsCooldownMinutes { get; set; } = 15;
+    public bool IsEnabled { get; set; } = true;
+    public required List<CreateAlertRuleRequest> Rules { get; set; }
+}
+
+public sealed class CreateAlertRuleRequest
+{
+    public required Domain.SensorType SensorType { get; set; }
+    public required Domain.ComparisonType ComparisonType { get; set; }
+    public required decimal Value1 { get; set; }
+    public decimal? Value2 { get; set; }
+    public int Order { get; set; }
+}
+
+public sealed class UpdateAlertConditionRequest
+{
+    public required int Id { get; set; }
+    public required Domain.AlertNotificationType NotificationType { get; set; }
+    public required Domain.AlertTimeType TimeType { get; set; }
+    public int CallCooldownMinutes { get; set; } = 60;
+    public int SmsCooldownMinutes { get; set; } = 15;
+    public bool IsEnabled { get; set; } = true;
+    public required List<CreateAlertRuleRequest> Rules { get; set; }
+}
diff --git a/src/GreenHome.Application/Dtos/Alert/RelayConditionDto.cs b/src/GreenHome.Application/Dtos/Alert/RelayConditionDto.cs
new file mode 100644
index 0000000..73d3f0f
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/Alert/RelayConditionDto.cs
@@ -0,0 +1,23 @@
+namespace GreenHome.Application;
+
+/// <summary>
+/// DTO for relay alert conditions (notificationType > 0)
+/// </summary>
+public sealed class RelayConditionDto
+{
+    public int Enabled { get; set; }
+    public int TimeType { get; set; }
+    public string Relay { get; set; } = string.Empty;
+    public List<RelayRuleDto> Rules { get; set; } = new();
+}
+
+/// <summary>
+/// DTO for relay condition rules
+/// </summary>
+public sealed class RelayRuleDto
+{
+    public string Sensor { get; set; } = string.Empty;
+    public string Op { get; set; } = string.Empty;
+    public decimal V1 { get; set; }
+    public decimal? V2 { get; set; }
+}
diff --git a/src/GreenHome.Application/Dtos/Auth/SendCodeRequest.cs b/src/GreenHome.Application/Dtos/Auth/SendCodeRequest.cs
new file mode 100644
index 0000000..490a38f
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/Auth/SendCodeRequest.cs
@@ -0,0 +1,6 @@
+namespace GreenHome.Application;
+
+public sealed class SendCodeRequest
+{
+    public required string Mobile { get; set; }
+}
diff --git a/src/GreenHome.Application/Dtos/Auth/SendCodeResponse.cs b/src/GreenHome.Application/Dtos/Auth/SendCodeResponse.cs
new file mode 100644
index 0000000..79d5503
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/Auth/SendCodeResponse.cs
@@ -0,0 +1,8 @@
+namespace GreenHome.Application;
+
+public sealed class SendCodeResponse
+{
+    public bool Success { get; set; }
+    public string? Message { get; set; }
+    public int ResendAfterSeconds { get; set; } = 120;
+}
diff --git a/src/GreenHome.Application/Dtos/Auth/UserDto.cs b/src/GreenHome.Application/Dtos/Auth/UserDto.cs
new file mode 100644
index 0000000..bc7c529
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/Auth/UserDto.cs
@@ -0,0 +1,12 @@
+using Domain = GreenHome.Domain;
+
+namespace GreenHome.Application;
+
+public sealed class UserDto
+{
+    public int Id { get; set; }
+    public string Mobile { get; set; } = string.Empty;
+    public string Name { get; set; } = string.Empty;
+    public string Family { get; set; } = string.Empty;
+    public Domain.UserRole Role { get; set; }
+}
diff --git a/src/GreenHome.Application/Dtos/Auth/VerifyCodeRequest.cs b/src/GreenHome.Application/Dtos/Auth/VerifyCodeRequest.cs
new file mode 100644
index 0000000..7509a38
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/Auth/VerifyCodeRequest.cs
@@ -0,0 +1,7 @@
+namespace GreenHome.Application;
+
+public sealed class VerifyCodeRequest
+{
+    public required string Mobile { get; set; }
+    public required string Code { get; set; }
+}
diff --git a/src/GreenHome.Application/Dtos/Auth/VerifyCodeResponse.cs b/src/GreenHome.Application/Dtos/Auth/VerifyCodeResponse.cs
new file mode 100644
index 0000000..19c4b6e
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/Auth/VerifyCodeResponse.cs
@@ -0,0 +1,9 @@
+namespace GreenHome.Application;
+
+public sealed class VerifyCodeResponse
+{
+    public bool Success { get; set; }
+    public string? Message { get; set; }
+    public string? Token { get; set; }
+    public UserDto? User { get; set; }
+}
diff --git a/src/GreenHome.Application/ChecklistDtos.cs b/src/GreenHome.Application/Dtos/Checklist/ChecklistDto.cs
similarity index 99%
rename from src/GreenHome.Application/ChecklistDtos.cs
rename to src/GreenHome.Application/Dtos/Checklist/ChecklistDto.cs
index ffa3739..8e48d67 100644
--- a/src/GreenHome.Application/ChecklistDtos.cs
+++ b/src/GreenHome.Application/Dtos/Checklist/ChecklistDto.cs
@@ -77,4 +77,3 @@ public sealed class CompleteChecklistItemRequest
     public bool IsChecked { get; set; }
     public string? Note { get; set; }
 }
-
diff --git a/src/GreenHome.Application/Dtos/Common/AlertCheckResult.cs b/src/GreenHome.Application/Dtos/Common/AlertCheckResult.cs
new file mode 100644
index 0000000..b060eac
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/Common/AlertCheckResult.cs
@@ -0,0 +1,16 @@
+namespace GreenHome.Application;
+
+/// <summary>
+/// Result of alert checking, used by TelemetryController.Create to build the line-protocol response
+/// </summary>
+public sealed class AlertCheckResult
+{
+    /// <summary>List of alert messages (condition alerts + power status)</summary>
+    public List<string> Messages { get; set; } = new();
+
+    /// <summary>Comma-separated recipient phone numbers</summary>
+    public string? Recipients { get; set; }
+
+    /// <summary>Power status: "connected", "disconnected", or null if unchanged</summary>
+    public string? PowerStatus { get; set; }
+}
diff --git a/src/GreenHome.Application/Dtos/Common/PagedResult.cs b/src/GreenHome.Application/Dtos/Common/PagedResult.cs
new file mode 100644
index 0000000..79f0e9d
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/Common/PagedResult.cs
@@ -0,0 +1,9 @@
+namespace GreenHome.Application;
+
+public sealed class PagedResult<T>
+{
+    public required IReadOnlyList<T> Items { get; init; }
+    public required int TotalCount { get; init; }
+    public required int Page { get; init; }
+    public required int PageSize { get; init; }
+}
diff --git a/src/GreenHome.Application/Dtos/DailyReport/DailyReportRequest.cs b/src/GreenHome.Application/Dtos/DailyReport/DailyReportRequest.cs
new file mode 100644
index 0000000..e1b84e1
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/DailyReport/DailyReportRequest.cs
@@ -0,0 +1,21 @@
+namespace GreenHome.Application;
+
+public sealed class DailyReportRequest
+{
+    public required int DeviceId { get; set; }
+    public required string PersianDate { get; set; } // yyyy/MM/dd
+}
+
+public sealed class WeeklyAnalysisRequest
+{
+    public required int DeviceId { get; set; }
+    public required string StartDate { get; set; } // yyyy/MM/dd
+    public required string EndDate { get; set; } // yyyy/MM/dd
+}
+
+public sealed class MonthlyAnalysisRequest
+{
+    public required int DeviceId { get; set; }
+    public required int Year { get; set; }
+    public required int Month { get; set; }
+}
diff --git a/src/GreenHome.Application/Dtos/DailyReport/DailyReportResponse.cs b/src/GreenHome.Application/Dtos/DailyReport/DailyReportResponse.cs
new file mode 100644
index 0000000..89a79ad
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/DailyReport/DailyReportResponse.cs
@@ -0,0 +1,15 @@
+namespace GreenHome.Application;
+
+public sealed class DailyReportResponse
+{
+    public int Id { get; set; }
+    public int DeviceId { get; set; }
+    public string DeviceName { get; set; } = string.Empty;
+    public string PersianDate { get; set; } = string.Empty;
+    public string Analysis { get; set; } = string.Empty;
+    public int RecordCount { get; set; }
+    public int SampledRecordCount { get; set; }
+    public int TotalTokens { get; set; }
+    public DateTime CreatedAt { get; set; }
+    public bool FromCache { get; set; }
+}
diff --git a/src/GreenHome.Application/Dtos/Device/DeviceDto.cs b/src/GreenHome.Application/Dtos/Device/DeviceDto.cs
new file mode 100644
index 0000000..08fae3f
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/Device/DeviceDto.cs
@@ -0,0 +1,13 @@
+namespace GreenHome.Application;
+
+public sealed class DeviceDto
+{
+    public int Id { get; set; }
+    public string DeviceName { get; set; } = string.Empty;
+    public int UserId { get; set; }
+    public string UserName { get; set; } = string.Empty;
+    public string UserFamily { get; set; } = string.Empty;
+    public string UserMobile { get; set; } = string.Empty;
+    public string Location { get; set; } = string.Empty;
+    public string NeshanLocation { get; set; } = string.Empty;
+}
diff --git a/src/GreenHome.Application/Dtos/Device/DeviceFilter.cs b/src/GreenHome.Application/Dtos/Device/DeviceFilter.cs
new file mode 100644
index 0000000..b48e11a
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/Device/DeviceFilter.cs
@@ -0,0 +1,9 @@
+namespace GreenHome.Application;
+
+public sealed class DeviceFilter
+{
+    public int? UserId { get; set; }
+    public string? Search { get; set; }
+    public int Page { get; set; } = 1;
+    public int PageSize { get; set; } = 10;
+}
diff --git a/src/GreenHome.Application/Dtos/Device/DeviceSettingsDto.cs b/src/GreenHome.Application/Dtos/Device/DeviceSettingsDto.cs
new file mode 100644
index 0000000..e2d5483
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/Device/DeviceSettingsDto.cs
@@ -0,0 +1,30 @@
+namespace GreenHome.Application;
+
+public sealed class DeviceSettingsDto
+{
+    public int Id { get; set; }
+    public int DeviceId { get; set; }
+    public string DeviceName { get; set; } = string.Empty;
+    
+    public string Province { get; set; } = string.Empty;
+    public string City { get; set; } = string.Empty;
+    public decimal? Latitude { get; set; }
+    public decimal? Longitude { get; set; }
+    
+    public string ProductType { get; set; } = string.Empty;
+    public int MinimumSmsIntervalMinutes { get; set; } = 15;
+    public int MinimumCallIntervalMinutes { get; set; } = 60;
+    public decimal? AreaSquareMeters { get; set; }
+    
+    public int UploadIntervalMin { get; set; } = 5;
+    public string DevicePhoneNumber { get; set; } = string.Empty;
+    public Domain.SimCardType? SimCardType { get; set; }
+    public int RelayCount { get; set; } = 4;
+    public string SmsRecievers { get; set; } = string.Empty;
+    public string? TokenCode { get; set; }
+    public string? VerificationCode { get; set; }
+    public DateTime? TokenExpiresAt { get; set; }
+    
+    public DateTime CreatedAt { get; set; }
+    public DateTime UpdatedAt { get; set; }
+}
diff --git a/src/GreenHome.Application/DevicePostDtos.cs b/src/GreenHome.Application/Dtos/DevicePost/DevicePostDto.cs
similarity index 99%
rename from src/GreenHome.Application/DevicePostDtos.cs
rename to src/GreenHome.Application/Dtos/DevicePost/DevicePostDto.cs
index 6fe21fb..922ae42 100644
--- a/src/GreenHome.Application/DevicePostDtos.cs
+++ b/src/GreenHome.Application/Dtos/DevicePost/DevicePostDto.cs
@@ -43,4 +43,3 @@ public sealed class DevicePostFilter
     public int Page { get; set; } = 1;
     public int PageSize { get; set; } = 20;
 }
-
diff --git a/src/GreenHome.Application/Dtos/DeviceToken/GetUploadIntervalRequest.cs b/src/GreenHome.Application/Dtos/DeviceToken/GetUploadIntervalRequest.cs
new file mode 100644
index 0000000..7a7d411
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/DeviceToken/GetUploadIntervalRequest.cs
@@ -0,0 +1,20 @@
+namespace GreenHome.Application;
+
+/// <summary>
+/// درخواست دریافت فاصله زمانی آپلود
+/// </summary>
+public sealed class GetUploadIntervalRequest
+{
+    public int? DeviceId { get; set; }
+    public string? DevicePhoneNumber { get; set; }
+}
+
+/// <summary>
+/// پاسخ دریافت فاصله زمانی آپلود
+/// </summary>
+public sealed class GetUploadIntervalResponse
+{
+    public bool Success { get; set; }
+    public string? Message { get; set; }
+    public int? UploadIntervalMin { get; set; }
+}
diff --git a/src/GreenHome.Application/Dtos/DeviceToken/RequestDeviceTokenRequest.cs b/src/GreenHome.Application/Dtos/DeviceToken/RequestDeviceTokenRequest.cs
new file mode 100644
index 0000000..7993ebb
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/DeviceToken/RequestDeviceTokenRequest.cs
@@ -0,0 +1,19 @@
+namespace GreenHome.Application;
+
+/// <summary>
+/// درخواست دریافت توکن دستگاه
+/// </summary>
+public sealed class RequestDeviceTokenRequest
+{
+    public required string DevicePhoneNumber { get; set; }
+}
+
+/// <summary>
+/// پاسخ دریافت توکن دستگاه
+/// </summary>
+public sealed class RequestDeviceTokenResponse
+{
+    public bool Success { get; set; }
+    public string? Message { get; set; }
+    public string? TokenCode { get; set; }
+}
diff --git a/src/GreenHome.Application/Dtos/DeviceToken/VerifyDeviceTokenRequest.cs b/src/GreenHome.Application/Dtos/DeviceToken/VerifyDeviceTokenRequest.cs
new file mode 100644
index 0000000..5ded6a1
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/DeviceToken/VerifyDeviceTokenRequest.cs
@@ -0,0 +1,20 @@
+namespace GreenHome.Application;
+
+/// <summary>
+/// درخواست تایید توکن دستگاه
+/// </summary>
+public sealed class VerifyDeviceTokenRequest
+{
+    public required string DevicePhoneNumber { get; set; }
+    public required string VerificationCode { get; set; }
+}
+
+/// <summary>
+/// پاسخ تایید توکن دستگاه
+/// </summary>
+public sealed class VerifyDeviceTokenResponse
+{
+    public bool Success { get; set; }
+    public string? Message { get; set; }
+    public string? EncodedSettings { get; set; }
+}
diff --git a/src/GreenHome.Application/IMonthlyReportService.cs b/src/GreenHome.Application/Dtos/MonthlyReport/MonthlyReportDto.cs
similarity index 89%
rename from src/GreenHome.Application/IMonthlyReportService.cs
rename to src/GreenHome.Application/Dtos/MonthlyReport/MonthlyReportDto.cs
index 16911a5..6d29ad4 100644
--- a/src/GreenHome.Application/IMonthlyReportService.cs
+++ b/src/GreenHome.Application/Dtos/MonthlyReport/MonthlyReportDto.cs
@@ -1,10 +1,5 @@
 namespace GreenHome.Application;
 
-public interface IMonthlyReportService
-{
-    Task<MonthlyReportDto> GetMonthlyReportAsync(int deviceId, int year, int month, CancellationToken cancellationToken);
-}
-
 public sealed class MonthlyReportDto
 {
     public int DeviceId { get; set; }
@@ -42,4 +37,3 @@ public sealed class MonthlyReportDto
     
     public DateTime GeneratedAt { get; set; }
 }
-
diff --git a/src/GreenHome.Application/Dtos/PowerOutage/PowerOutageLogDto.cs b/src/GreenHome.Application/Dtos/PowerOutage/PowerOutageLogDto.cs
new file mode 100644
index 0000000..1437276
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/PowerOutage/PowerOutageLogDto.cs
@@ -0,0 +1,26 @@
+namespace GreenHome.Application;
+
+public sealed class PowerOutageLogDto
+{
+    public int Id { get; set; }
+    public int DeviceId { get; set; }
+    public string DeviceName { get; set; } = string.Empty;
+    public byte PreviousPower { get; set; }
+    public byte CurrentPower { get; set; }
+    public string EventType { get; set; } = string.Empty; // "Connected" or "Disconnected"
+    public string EventTypePersian { get; set; } = string.Empty; // "وصل" or "قطع"
+    public DateTime TimestampUtc { get; set; }
+    public DateTime ServerTimestampUtc { get; set; }
+    public string PersianDate { get; set; } = string.Empty;
+}
+
+public sealed class PowerOutageFilter
+{
+    public int? EventType { get; set; } // 1 = Connected, 2 = Disconnected
+    public DateTime? StartDateUtc { get; set; }
+    public DateTime? EndDateUtc { get; set; }
+    public int? PersianYear { get; set; }
+    public int? PersianMonth { get; set; }
+    public int Page { get; set; } = 1;
+    public int PageSize { get; set; } = 20;
+}
diff --git a/src/GreenHome.Application/Dtos/PowerOutage/PowerOutageSummaryDto.cs b/src/GreenHome.Application/Dtos/PowerOutage/PowerOutageSummaryDto.cs
new file mode 100644
index 0000000..0209d84
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/PowerOutage/PowerOutageSummaryDto.cs
@@ -0,0 +1,24 @@
+namespace GreenHome.Application;
+
+/// <summary>
+/// خلاصه قطعی‌های برق یک دستگاه در یک بازه زمانی
+/// </summary>
+public sealed class PowerOutageSummaryDto
+{
+    public int DeviceId { get; set; }
+    public int TotalOutageCount { get; set; }
+    public long TotalDowntimeSeconds { get; set; }
+    public DateTime? StartDateUtc { get; set; }
+    public DateTime? EndDateUtc { get; set; }
+    public List<PowerOutagePairDto> Outages { get; set; } = new();
+}
+
+/// <summary>
+/// یک جفت قطع و وصل برق (مدت زمان قطعی)
+/// </summary>
+public sealed class PowerOutagePairDto
+{
+    public DateTime DisconnectedAt { get; set; }
+    public DateTime? ConnectedAt { get; set; }
+    public long? DurationSeconds { get; set; }
+}
diff --git a/src/GreenHome.Application/Dtos/Telemetry/DayCount.cs b/src/GreenHome.Application/Dtos/Telemetry/DayCount.cs
new file mode 100644
index 0000000..27119dc
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/Telemetry/DayCount.cs
@@ -0,0 +1,7 @@
+namespace GreenHome.Application;
+
+public sealed class DayCount
+{
+    public string PersianDate { get; set; } = string.Empty;
+    public int Count { get; set; }
+}
diff --git a/src/GreenHome.Application/Dtos/Telemetry/TelemetryDto.cs b/src/GreenHome.Application/Dtos/Telemetry/TelemetryDto.cs
new file mode 100644
index 0000000..83b3b19
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/Telemetry/TelemetryDto.cs
@@ -0,0 +1,23 @@
+namespace GreenHome.Application;
+
+public sealed class TelemetryDto
+{
+    public int Id { get; set; }
+    public int DeviceId { get; set; }
+    public string? DeviceName { get; set; }
+    public DateTime? TimestampUtc { get; set; }
+    public decimal TemperatureC { get; set; }
+    public decimal HumidityPercent { get; set; }
+    public decimal SoilPercent { get; set; }
+    public int GasPPM { get; set; }
+    public decimal? Voltage { get; set; }
+    public decimal? BatteryVoltage { get; set; }
+    public decimal? BatteryPercent { get; set; }
+    public byte? Power { get; set; }
+    public byte? OldPower { get; set; }
+    public decimal Lux { get; set; }
+    public int? PersianYear { get; set; }
+    public int? PersianMonth { get; set; }
+    public string PersianDate { get; set; } = string.Empty;
+    public DateTime? ServerTimestampUtc { get; set; }
+}
diff --git a/src/GreenHome.Application/Dtos/Telemetry/TelemetryFilter.cs b/src/GreenHome.Application/Dtos/Telemetry/TelemetryFilter.cs
new file mode 100644
index 0000000..0da8e27
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/Telemetry/TelemetryFilter.cs
@@ -0,0 +1,10 @@
+namespace GreenHome.Application;
+
+public sealed class TelemetryFilter
+{
+    public int? DeviceId { get; set; }
+    public DateTime? StartDateUtc { get; set; }
+    public DateTime? EndDateUtc { get; set; }
+    public int Page { get; set; } = 1;
+    public int PageSize { get; set; } = 20;
+}
diff --git a/src/GreenHome.Application/Dtos/Telemetry/TelemetryMinMax.cs b/src/GreenHome.Application/Dtos/Telemetry/TelemetryMinMax.cs
new file mode 100644
index 0000000..4d9707d
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/Telemetry/TelemetryMinMax.cs
@@ -0,0 +1,15 @@
+namespace GreenHome.Application;
+
+public sealed class TelemetryMinMax
+{
+    public decimal MinTemperatureC { get; set; }
+    public decimal MaxTemperatureC { get; set; }
+    public decimal MinHumidityPercent { get; set; }
+    public decimal MaxHumidityPercent { get; set; }
+    public decimal MinSoilPercent { get; set; }
+    public decimal MaxSoilPercent { get; set; }
+    public int MinGasPPM { get; set; }
+    public int MaxGasPPM { get; set; }
+    public decimal MinLux { get; set; }
+    public decimal MaxLux { get; set; }
+}
diff --git a/src/GreenHome.Application/Dtos/UserDailyReport/CreateUserDailyReportRequest.cs b/src/GreenHome.Application/Dtos/UserDailyReport/CreateUserDailyReportRequest.cs
new file mode 100644
index 0000000..0dc9379
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/UserDailyReport/CreateUserDailyReportRequest.cs
@@ -0,0 +1,32 @@
+namespace GreenHome.Application;
+
+public sealed class CreateUserDailyReportRequest
+{
+    public required int DeviceId { get; set; }
+    public required int UserId { get; set; }
+    public required string PersianDate { get; set; }
+    public required string Title { get; set; }
+    public required string Observations { get; set; }
+    public required string Operations { get; set; }
+    public string? Notes { get; set; }
+}
+
+public sealed class UpdateUserDailyReportRequest
+{
+    public required int Id { get; set; }
+    public required string Title { get; set; }
+    public required string Observations { get; set; }
+    public required string Operations { get; set; }
+    public string? Notes { get; set; }
+}
+
+public sealed class UserDailyReportFilter
+{
+    public int? DeviceId { get; set; }
+    public int? UserId { get; set; }
+    public string? PersianDate { get; set; }
+    public int? Year { get; set; }
+    public int? Month { get; set; }
+    public int Page { get; set; } = 1;
+    public int PageSize { get; set; } = 20;
+}
diff --git a/src/GreenHome.Application/Dtos/UserDailyReport/UserDailyReportDto.cs b/src/GreenHome.Application/Dtos/UserDailyReport/UserDailyReportDto.cs
new file mode 100644
index 0000000..e6cb2b6
--- /dev/null
+++ b/src/GreenHome.Application/Dtos/UserDailyReport/UserDailyReportDto.cs
@@ -0,0 +1,30 @@
+namespace GreenHome.Application;
+
+public sealed class UserDailyReportDto
+{
+    public int Id { get; set; }
+    public int DeviceId { get; set; }
+    public string DeviceName { get; set; } = string.Empty;
+    public int UserId { get; set; }
+    public string UserName { get; set; } = string.Empty;
+    public string UserFamily { get; set; } = string.Empty;
+    public string PersianDate { get; set; } = string.Empty;
+    public string Title { get; set; } = string.Empty;
+    public string Observations { get; set; } = string.Empty;
+    public string Operations { get; set; } = string.Empty;
+    public string? Notes { get; set; }
+    public List<ReportImageDto> Images { get; set; } = new();
+    public DateTime CreatedAt { get; set; }
+    public DateTime UpdatedAt { get; set; }
+}
+
+public sealed class ReportImageDto
+{
+    public int Id { get; set; }
+    public string FileName { get; set; } = string.Empty;
+    public string FilePath { get; set; } = string.Empty;
+    public string ContentType { get; set; } = string.Empty;
+    public long FileSize { get; set; }
+    public string? Description { get; set; }
+    public DateTime UploadedAt { get; set; }
+}
diff --git a/src/GreenHome.Application/IAIQueryService.cs b/src/GreenHome.Application/Interfaces/IAIQueryService.cs
similarity index 66%
rename from src/GreenHome.Application/IAIQueryService.cs
rename to src/GreenHome.Application/Interfaces/IAIQueryService.cs
index 6ddfd19..789fdd3 100644
--- a/src/GreenHome.Application/IAIQueryService.cs
+++ b/src/GreenHome.Application/Interfaces/IAIQueryService.cs
@@ -33,27 +33,7 @@ public interface IAIQueryService
     Task<int> GetUserTotalTokensAsync(int userId, CancellationToken cancellationToken = default);
 
     /// <summary>
-    /// Gets recent queries (all)
-    /// </summary>
-    Task<List<AIQuery>> GetRecentQueriesAsync(int take = 20, CancellationToken cancellationToken = default);
-
-    /// <summary>
-    /// Gets query statistics
+    /// Gets AI query statistics (totals, averages, today's usage)
     /// </summary>
     Task<AIQueryStats> GetStatsAsync(CancellationToken cancellationToken = default);
 }
-
-/// <summary>
-/// Statistics about AI queries
-/// </summary>
-public class AIQueryStats
-{
-    public int TotalQueries { get; set; }
-    public int TotalTokensUsed { get; set; }
-    public int TotalPromptTokens { get; set; }
-    public int TotalCompletionTokens { get; set; }
-    public double AverageResponseTimeMs { get; set; }
-    public int TodayQueries { get; set; }
-    public int TodayTokens { get; set; }
-}
-
diff --git a/src/GreenHome.Application/IAlertConditionService.cs b/src/GreenHome.Application/Interfaces/IAlertConditionService.cs
similarity index 99%
rename from src/GreenHome.Application/IAlertConditionService.cs
rename to src/GreenHome.Application/Interfaces/IAlertConditionService.cs
index c532eda..ea60e48 100644
--- a/src/GreenHome.Application/IAlertConditionService.cs
+++ b/src/GreenHome.Application/Interfaces/IAlertConditionService.cs
@@ -22,4 +22,3 @@ public interface IAlertConditionService
 
     Task<bool> HasUpdatedConditionsAsync(int deviceId, DateTime? lastUpdateDate, CancellationToken cancellationToken);
 }
-
diff --git a/src/GreenHome.Application/IAlertLogService.cs b/src/GreenHome.Application/Interfaces/IAlertLogService.cs
similarity index 99%
rename from src/GreenHome.Application/IAlertLogService.cs
rename to src/GreenHome.Application/Interfaces/IAlertLogService.cs
index ee065ed..244d387 100644
--- a/src/GreenHome.Application/IAlertLogService.cs
+++ b/src/GreenHome.Application/Interfaces/IAlertLogService.cs
@@ -6,4 +6,3 @@ public interface IAlertLogService
     Task<AlertLogDto?> GetAlertLogByIdAsync(int id, CancellationToken cancellationToken);
     Task<int> CreateAlertLogAsync(AlertLogDto dto, CancellationToken cancellationToken);
 }
-
diff --git a/src/GreenHome.Application/IAlertService.cs b/src/GreenHome.Application/Interfaces/IAlertService.cs
similarity index 54%
rename from src/GreenHome.Application/IAlertService.cs
rename to src/GreenHome.Application/Interfaces/IAlertService.cs
index fd6b55a..f1f1368 100644
--- a/src/GreenHome.Application/IAlertService.cs
+++ b/src/GreenHome.Application/Interfaces/IAlertService.cs
@@ -2,7 +2,6 @@ namespace GreenHome.Application;
 
 public interface IAlertService
 {
-    Task<string?> CheckAndSendAlertsAsync(int deviceId, TelemetryDto telemetry, CancellationToken cancellationToken);
+    Task<AlertCheckResult?> CheckAndSendAlertsAsync(int deviceId, TelemetryDto telemetry, CancellationToken cancellationToken);
     Task SendPowerOutageAlertAsync(int deviceId, CancellationToken cancellationToken);
 }
-
diff --git a/src/GreenHome.Application/IAuthService.cs b/src/GreenHome.Application/Interfaces/IAuthService.cs
similarity index 99%
rename from src/GreenHome.Application/IAuthService.cs
rename to src/GreenHome.Application/Interfaces/IAuthService.cs
index b4c4ff4..fb7962a 100644
--- a/src/GreenHome.Application/IAuthService.cs
+++ b/src/GreenHome.Application/Interfaces/IAuthService.cs
@@ -6,4 +6,3 @@ public interface IAuthService
     Task<VerifyCodeResponse> VerifyCodeAsync(VerifyCodeRequest request, CancellationToken cancellationToken);
     Task<bool> CanResendCodeAsync(string mobile, CancellationToken cancellationToken);
 }
-
diff --git a/src/GreenHome.Application/IChecklistService.cs b/src/GreenHome.Application/Interfaces/IChecklistService.cs
similarity index 99%
rename from src/GreenHome.Application/IChecklistService.cs
rename to src/GreenHome.Application/Interfaces/IChecklistService.cs
index e05fe61..26443e6 100644
--- a/src/GreenHome.Application/IChecklistService.cs
+++ b/src/GreenHome.Application/Interfaces/IChecklistService.cs
@@ -9,4 +9,3 @@ public interface IChecklistService
     Task<List<ChecklistCompletionDto>> GetCompletionsByChecklistIdAsync(int checklistId, CancellationToken cancellationToken);
     Task<int> CompleteChecklistAsync(CompleteChecklistRequest request, CancellationToken cancellationToken);
 }
-
diff --git a/src/GreenHome.Application/IDailyReportService.cs b/src/GreenHome.Application/Interfaces/IDailyReportService.cs
similarity index 99%
rename from src/GreenHome.Application/IDailyReportService.cs
rename to src/GreenHome.Application/Interfaces/IDailyReportService.cs
index c2b7a14..02971b8 100644
--- a/src/GreenHome.Application/IDailyReportService.cs
+++ b/src/GreenHome.Application/Interfaces/IDailyReportService.cs
@@ -14,4 +14,3 @@ public interface IDailyReportService
     
     Task<DailyReportResponse> GetMonthlyAnalysisAsync(MonthlyAnalysisRequest request, CancellationToken cancellationToken);
 }
-
diff --git a/src/GreenHome.Application/IDevicePostService.cs b/src/GreenHome.Application/Interfaces/IDevicePostService.cs
similarity index 99%
rename from src/GreenHome.Application/IDevicePostService.cs
rename to src/GreenHome.Application/Interfaces/IDevicePostService.cs
index 1349a72..f79320c 100644
--- a/src/GreenHome.Application/IDevicePostService.cs
+++ b/src/GreenHome.Application/Interfaces/IDevicePostService.cs
@@ -11,4 +11,3 @@ public interface IDevicePostService
     Task DeleteImageAsync(int imageId, CancellationToken cancellationToken);
     Task<bool> CanUserAccessDeviceAsync(int userId, int deviceId, CancellationToken cancellationToken);
 }
-
diff --git a/src/GreenHome.Application/IDeviceService.cs b/src/GreenHome.Application/Interfaces/IDeviceService.cs
similarity index 89%
rename from src/GreenHome.Application/IDeviceService.cs
rename to src/GreenHome.Application/Interfaces/IDeviceService.cs
index 334ad17..879dc94 100644
--- a/src/GreenHome.Application/IDeviceService.cs
+++ b/src/GreenHome.Application/Interfaces/IDeviceService.cs
@@ -1,11 +1,10 @@
-namespace GreenHome.Application;
-
-// Services
-public interface IDeviceService
-{
-    Task<int> AddDeviceAsync(DeviceDto dto, CancellationToken cancellationToken);
-    Task<IReadOnlyList<DeviceDto>> ListAsync(CancellationToken cancellationToken);
-    Task<DeviceDto> GetDeviceId(string deviceName, CancellationToken cancellationToken);
-    Task<IReadOnlyList<DeviceDto>> GetUserDevicesAsync(int userId, CancellationToken cancellationToken);
-    Task<PagedResult<DeviceDto>> GetDevicesAsync(DeviceFilter filter, CancellationToken cancellationToken);
-}
+namespace GreenHome.Application;
+
+public interface IDeviceService
+{
+    Task<int> AddDeviceAsync(DeviceDto dto, CancellationToken cancellationToken);
+    Task<IReadOnlyList<DeviceDto>> ListAsync(CancellationToken cancellationToken);
+    Task<DeviceDto> GetDeviceId(string deviceName, CancellationToken cancellationToken);
+    Task<IReadOnlyList<DeviceDto>> GetUserDevicesAsync(int userId, CancellationToken cancellationToken);
+    Task<PagedResult<DeviceDto>> GetDevicesAsync(DeviceFilter filter, CancellationToken cancellationToken);
+}
diff --git a/src/GreenHome.Application/IDeviceSettingsService.cs b/src/GreenHome.Application/Interfaces/IDeviceSettingsService.cs
similarity index 87%
rename from src/GreenHome.Application/IDeviceSettingsService.cs
rename to src/GreenHome.Application/Interfaces/IDeviceSettingsService.cs
index dc3718b..a38ae66 100644
--- a/src/GreenHome.Application/IDeviceSettingsService.cs
+++ b/src/GreenHome.Application/Interfaces/IDeviceSettingsService.cs
@@ -1,8 +1,8 @@
-namespace GreenHome.Application;
-
-public interface IDeviceSettingsService
-{
-    Task<DeviceSettingsDto?> GetByDeviceIdAsync(int deviceId, CancellationToken cancellationToken);
-    Task<int> CreateAsync(DeviceSettingsDto dto, CancellationToken cancellationToken);
-    Task UpdateAsync(DeviceSettingsDto dto, CancellationToken cancellationToken);
-}
+namespace GreenHome.Application;
+
+public interface IDeviceSettingsService
+{
+    Task<DeviceSettingsDto?> GetByDeviceIdAsync(int deviceId, CancellationToken cancellationToken);
+    Task<int> CreateAsync(DeviceSettingsDto dto, CancellationToken cancellationToken);
+    Task UpdateAsync(DeviceSettingsDto dto, CancellationToken cancellationToken);
+}
diff --git a/src/GreenHome.Application/IDeviceTokenService.cs b/src/GreenHome.Application/Interfaces/IDeviceTokenService.cs
similarity index 99%
rename from src/GreenHome.Application/IDeviceTokenService.cs
rename to src/GreenHome.Application/Interfaces/IDeviceTokenService.cs
index f98d892..77513ed 100644
--- a/src/GreenHome.Application/IDeviceTokenService.cs
+++ b/src/GreenHome.Application/Interfaces/IDeviceTokenService.cs
@@ -20,4 +20,3 @@ public interface IDeviceTokenService
     /// </summary>
     Task<VerifyDeviceTokenResponse> VerifyDeviceTokenAsync(VerifyDeviceTokenRequest request, CancellationToken cancellationToken);
 }
-
diff --git a/src/GreenHome.Application/Interfaces/IMonthlyReportService.cs b/src/GreenHome.Application/Interfaces/IMonthlyReportService.cs
new file mode 100644
index 0000000..dea49c6
--- /dev/null
+++ b/src/GreenHome.Application/Interfaces/IMonthlyReportService.cs
@@ -0,0 +1,6 @@
+namespace GreenHome.Application;
+
+public interface IMonthlyReportService
+{
+    Task<MonthlyReportDto> GetMonthlyReportAsync(int deviceId, int year, int month, CancellationToken cancellationToken);
+}
diff --git a/src/GreenHome.Application/Interfaces/IPowerOutageLogService.cs b/src/GreenHome.Application/Interfaces/IPowerOutageLogService.cs
new file mode 100644
index 0000000..be10f3c
--- /dev/null
+++ b/src/GreenHome.Application/Interfaces/IPowerOutageLogService.cs
@@ -0,0 +1,23 @@
+namespace GreenHome.Application;
+
+/// <summary>
+/// سرویس لاگ قطع و وصل برق دستگاه
+/// </summary>
+public interface IPowerOutageLogService
+{
+    /// <summary>
+    /// ثبت یک رویداد قطع یا وصل برق
+    /// </summary>
+    Task LogPowerChangeAsync(int deviceId, byte previousPower, byte currentPower, DateTime timestampUtc, CancellationToken cancellationToken);
+
+    /// <summary>
+    /// دریافت لیست رویدادهای برق یک دستگاه
+    /// </summary>
+    Task<PagedResult<PowerOutageLogDto>> ListAsync(int deviceId, PowerOutageFilter filter, CancellationToken cancellationToken);
+
+    /// <summary>
+    /// مهاجرت داده‌های قدیمی از جدول Telemetry به PowerOutageLogs
+    /// تشخیص تغییرات Power در رکوردهای متوالی هر دستگاه
+    /// </summary>
+    Task<int> MigrateFromTelemetryAsync(int? deviceId, CancellationToken cancellationToken);
+}
diff --git a/src/GreenHome.Application/ISunCalculatorService.cs b/src/GreenHome.Application/Interfaces/ISunCalculatorService.cs
similarity index 99%
rename from src/GreenHome.Application/ISunCalculatorService.cs
rename to src/GreenHome.Application/Interfaces/ISunCalculatorService.cs
index 888a095..ed1e2f6 100644
--- a/src/GreenHome.Application/ISunCalculatorService.cs
+++ b/src/GreenHome.Application/Interfaces/ISunCalculatorService.cs
@@ -11,4 +11,3 @@ public interface ISunCalculatorService
     /// <returns>true اگر روز باشد، false اگر شب باشد</returns>
     bool IsDaytime(DateTime dateTime, decimal latitude, decimal longitude);
 }
-
diff --git a/src/GreenHome.Application/ITelemetryService.cs b/src/GreenHome.Application/Interfaces/ITelemetryService.cs
similarity index 93%
rename from src/GreenHome.Application/ITelemetryService.cs
rename to src/GreenHome.Application/Interfaces/ITelemetryService.cs
index 7136dd5..1e16150 100644
--- a/src/GreenHome.Application/ITelemetryService.cs
+++ b/src/GreenHome.Application/Interfaces/ITelemetryService.cs
@@ -1,10 +1,10 @@
-namespace GreenHome.Application;
-
-public interface ITelemetryService
-{
-    Task<int> AddAsync(TelemetryDto dto, CancellationToken cancellationToken);
-    Task<PagedResult<TelemetryDto>> ListAsync(TelemetryFilter filter, CancellationToken cancellationToken);
-    Task<TelemetryMinMax> GetMinMaxAsync(int deviceId, DateTime? startUtc, DateTime? endUtc, CancellationToken cancellationToken);
-    Task<IReadOnlyList<DayCount>> GetMonthDaysAsync(int deviceId, int persianYear, int persianMonth, CancellationToken cancellationToken);
-    Task<IReadOnlyList<int>> GetActiveMonthsAsync(int deviceId, int persianYear, CancellationToken cancellationToken);
-}
+namespace GreenHome.Application;
+
+public interface ITelemetryService
+{
+    Task<int> AddAsync(TelemetryDto dto, CancellationToken cancellationToken);
+    Task<PagedResult<TelemetryDto>> ListAsync(TelemetryFilter filter, CancellationToken cancellationToken);
+    Task<TelemetryMinMax> GetMinMaxAsync(int deviceId, DateTime? startUtc, DateTime? endUtc, CancellationToken cancellationToken);
+    Task<IReadOnlyList<DayCount>> GetMonthDaysAsync(int deviceId, int persianYear, int persianMonth, CancellationToken cancellationToken);
+    Task<IReadOnlyList<int>> GetActiveMonthsAsync(int deviceId, int persianYear, CancellationToken cancellationToken);
+}
diff --git a/src/GreenHome.Application/IUserDailyReportService.cs b/src/GreenHome.Application/Interfaces/IUserDailyReportService.cs
similarity index 99%
rename from src/GreenHome.Application/IUserDailyReportService.cs
rename to src/GreenHome.Application/Interfaces/IUserDailyReportService.cs
index 512a271..47bb644 100644
--- a/src/GreenHome.Application/IUserDailyReportService.cs
+++ b/src/GreenHome.Application/Interfaces/IUserDailyReportService.cs
@@ -10,4 +10,3 @@ public interface IUserDailyReportService
     Task<int> AddImageToReportAsync(int reportId, string fileName, string filePath, string contentType, long fileSize, string? description, CancellationToken cancellationToken);
     Task DeleteImageAsync(int imageId, CancellationToken cancellationToken);
 }
-
diff --git a/src/GreenHome.Application/DeviceDtoValidator.cs b/src/GreenHome.Application/Validators/DeviceDtoValidator.cs
similarity index 85%
rename from src/GreenHome.Application/DeviceDtoValidator.cs
rename to src/GreenHome.Application/Validators/DeviceDtoValidator.cs
index 630bc3b..0b455ce 100644
--- a/src/GreenHome.Application/DeviceDtoValidator.cs
+++ b/src/GreenHome.Application/Validators/DeviceDtoValidator.cs
@@ -1,14 +1,13 @@
-using FluentValidation;
-
-namespace GreenHome.Application;
-
-// Validation
-public sealed class DeviceDtoValidator : AbstractValidator<DeviceDto>
-{
-    public DeviceDtoValidator()
-    {
-        RuleFor(x => x.DeviceName).NotEmpty().MaximumLength(10);
-        RuleFor(x => x.Location).MaximumLength(250);
-        RuleFor(x => x.NeshanLocation).MaximumLength(80);
-    }
-}
+using FluentValidation;
+
+namespace GreenHome.Application;
+
+public sealed class DeviceDtoValidator : AbstractValidator<DeviceDto>
+{
+    public DeviceDtoValidator()
+    {
+        RuleFor(x => x.DeviceName).NotEmpty().MaximumLength(10);
+        RuleFor(x => x.Location).MaximumLength(250);
+        RuleFor(x => x.NeshanLocation).MaximumLength(80);
+    }
+}