✨ feat(admin): add admin device, post, and report features

- add admin endpoints to create devices and update device settings
- expose device members and post detail for admin management
- add post filters by device, author, type, and date range
- add user growth, device uptime, and usage reports with CSV export
- improve admin layout with sticky header, user info, and logout
- add device and author search filters across admin pages

src/GreenHome.Application/Dtos/Admin/AdminDtos.cs

@@ -113,10 +113,86 @@ public sealed class AdminDeviceDetailDto
     public string? DevicePhoneNumber { get; set; }
     public int? UploadIntervalMin { get; set; }
     public int? RelayCount { get; set; }
+    public string? NeshanLocation { get; set; }
+    public decimal? Latitude { get; set; }
+    public decimal? Longitude { get; set; }
+    public int? MinimumSmsIntervalMinutes { get; set; }
+    public int? MinimumCallIntervalMinutes { get; set; }
+    public decimal? AreaSquareMeters { get; set; }
+    public Domain.SimCardType? SimCardType { get; set; }
+    public string? SmsRecievers { get; set; }
 
     public IReadOnlyList<TelemetryDto> LastTelemetry { get; set; } = [];
 }
 
+// ==================== Devices: create / settings / members ====================
+
+public sealed class AdminDeviceCreateRequest
+{
+    public int UserId { get; set; }
+    public string DeviceName { get; set; } = string.Empty;
+    public string Location { get; set; } = string.Empty;
+    public string? NeshanLocation { get; set; }
+}
+
+public enum AdminDeviceCreateOutcome
+{
+    Ok,
+    UserNotFound,
+    ConflictDuplicateName,
+    Validation
+}
+
+public sealed class AdminDeviceCreateResult
+{
+    public AdminDeviceCreateOutcome Outcome { get; set; }
+    public int DeviceId { get; set; }
+    public string DeviceName { get; set; } = string.Empty;
+    /// <summary>پیام فارسی برای خطاهای Validation</summary>
+    public string Message { get; set; } = string.Empty;
+}
+
+public sealed class AdminDeviceSettingsUpdateRequest
+{
+    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; }
+    public int MinimumCallIntervalMinutes { get; set; }
+    public decimal? AreaSquareMeters { get; set; }
+    public int UploadIntervalMin { get; set; }
+    public string DevicePhoneNumber { get; set; } = string.Empty;
+    public Domain.SimCardType? SimCardType { get; set; }
+    public int RelayCount { get; set; }
+    public string SmsRecievers { get; set; } = string.Empty;
+}
+
+/// <summary>
+/// Success = !NotFound && Message == null
+/// </summary>
+public sealed class AdminSettingsUpdateResult
+{
+    public bool NotFound { get; set; }
+    public string? Message { get; set; }
+}
+
+public sealed class AdminDeviceMemberDto
+{
+    public int UserId { get; set; }
+    public string Name { get; set; } = string.Empty;
+    public string Family { get; set; } = string.Empty;
+    public string Mobile { get; set; } = string.Empty;
+    public string MemberName { get; set; } = string.Empty;
+    public string MemberFamily { get; set; } = string.Empty;
+    public Domain.DeviceMemberRole Role { get; set; }
+    public bool ReceiveAlerts { get; set; }
+    public string? AvatarPath { get; set; }
+    public bool IsOwner { get; set; }
+}
+
 // ==================== Usage ====================
 
 public sealed class UsageDayDto
@@ -158,6 +234,10 @@ public sealed class AdminAlertItemDto
 public sealed class AdminPostFilter
 {
     public int? DeviceId { get; set; }
+    public int? AuthorUserId { get; set; }
+    public Domain.DevicePostType? PostType { get; set; }
+    public DateTime? From { get; set; }
+    public DateTime? To { get; set; }
     public int Page { get; set; } = 1;
     public int PageSize { get; set; } = 20;
 }
@@ -167,13 +247,38 @@ public sealed class AdminPostItemDto
     public int Id { get; set; }
     public int DeviceId { get; set; }
     public string DeviceName { get; set; } = string.Empty;
+    public int AuthorUserId { get; set; }
     public string AuthorName { get; set; } = string.Empty;
     public string Content { get; set; } = string.Empty;
     public Domain.DevicePostType PostType { get; set; }
     public int ImageCount { get; set; }
+    public bool HasVoice { get; set; }
+    public int? VoiceDurationSeconds { get; set; }
     public DateTime CreatedAt { get; set; }
 }
 
+public sealed class AdminPostDetailDto
+{
+    public int Id { get; set; }
+    public int DeviceId { get; set; }
+    public string DeviceName { get; set; } = string.Empty;
+    public string AuthorName { get; set; } = string.Empty;
+    public string AuthorFamily { get; set; } = string.Empty;
+    public Domain.DevicePostType PostType { get; set; }
+    public string Content { get; set; } = string.Empty;
+    public DateTime CreatedAt { get; set; }
+    public IReadOnlyList<AdminPostImageDto> Images { get; set; } = [];
+    public string? VoiceFilePath { get; set; }
+    public int? VoiceDurationSeconds { get; set; }
+}
+
+public sealed class AdminPostImageDto
+{
+    public int Id { get; set; }
+    public string FileName { get; set; } = string.Empty;
+    public string FilePath { get; set; } = string.Empty;
+}
+
 // ==================== Device Debug ====================
 
 public sealed class AdminDeviceTestResultDto
@@ -182,6 +287,37 @@ public sealed class AdminDeviceTestResultDto
     public string Message { get; set; } = string.Empty;
 }
 
+// ==================== Reports ====================
+
+public sealed class AdminUserGrowthRowDto
+{
+    public DateOnly Date { get; set; }
+    public int NewUsers { get; set; }
+    public int ActiveUsers { get; set; }
+}
+
+public sealed class AdminDeviceUptimeRowDto
+{
+    public int DeviceId { get; set; }
+    public string DeviceName { get; set; } = string.Empty;
+    public string OwnerName { get; set; } = string.Empty;
+    public int TotalDays { get; set; }
+    public int OnlineDays { get; set; }
+    public int OnlinePercent { get; set; }
+}
+
+public sealed class AdminUsageByUserRowDto
+{
+    public int UserId { get; set; }
+    public string Name { get; set; } = string.Empty;
+    public string Family { get; set; } = string.Empty;
+    public string Mobile { get; set; } = string.Empty;
+    public int Sms { get; set; }
+    public int VoiceCall { get; set; }
+    public int AiQueries { get; set; }
+    public int AiTokens { get; set; }
+}
+
 // ==================== Audit Log ====================
 
 public sealed class AdminAuditLogFilter