refactor: reorganize Application layer into folder structure

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; }
+}