Remove recurring and years properties and instead implicitly derive from start and end date

ErsatzTV.Core/Scheduling/YamlScheduling/Models/YamlPlayoutSchedule.cs

@@ -12,16 +12,6 @@ public class YamlPlayoutSchedule
     [YamlMember(Alias = "end_date", ApplyNamingConventions = false)]
     public string EndDate { get; set; }
 
-    /// <summary>
-    /// Specific year(s) this schedule applies to. If empty, applies to all years.
-    /// </summary>
-    public List<int> Years { get; set; } = [];
-
-    /// <summary>
-    /// Whether this schedule repeats annually (default: true when no years are specified)
-    /// </summary>
-    public bool Recurring { get; set; } = true;
-
     public List<YamlPlayoutInstruction> Reset { get; set; } = [];
 
     public List<YamlPlayoutInstruction> Playout { get; set; } = [];

ErsatzTV.Core/Scheduling/YamlScheduling/SequentialPlayoutBuilder.cs

@@ -779,23 +779,10 @@ public class SequentialPlayoutBuilder(
         int currentMonth = date.Month;
         int currentDay = date.Day;
 
-        // Check if years are specified
-        if (schedule.Years.Count > 0)
-        {
-            if (!schedule.Years.Contains(currentYear))
-            {
-                return false;
-            }
-        }
-        else if (!schedule.Recurring)
-        {
-            // If not recurring and no years specified, the schedule doesn't apply
-            return false;
-        }
-
-        // Handle year-specific dates
+        // Handle year-specific dates (YYYY-MM-DD format)
         if (startYear.HasValue && endYear.HasValue)
         {
+            // Dates with years are always non-recurring (one-time events)
             var startDate = new DateTime(startYear.Value, startMonth, startDay);
             var endDate = new DateTime(endYear.Value, endMonth, endDay);
             var currentDate = new DateTime(currentYear, currentMonth, currentDay);
@@ -809,7 +796,7 @@ public class SequentialPlayoutBuilder(
             return false;
         }
 
-        // Both dates are MM-DD format (recurring)
+        // Both dates are MM-DD format - always recurring
         var currentDayOfYear = new DateTime(currentYear, currentMonth, currentDay).DayOfYear;
         var startDayOfYear = new DateTime(currentYear, startMonth, startDay).DayOfYear;
         var endDayOfYear = new DateTime(currentYear, endMonth, endDay).DayOfYear;

ErsatzTV/Resources/sequential-schedule.schema.json

@@ -83,18 +83,9 @@
           },
           "end_date": { 
             "type": "string",
-            "description": "End date in MM-DD (e.g., '01-31') or YYYY-MM-DD format (e.g., '2024-12-25')",
+            "description": "End date in MM-DD (e.g., '01-31') or YYYY-MM-DD format (e.g., '2024-12-25'). MM-DD dates recur annually, YYYY-MM-DD dates are one-time events.",
             "pattern": "^((\\d{4}-)?(0[1-9]|1[0-2])-(0[1-9]|[12][0-9]|3[01]))$"
           },
-          "years": {
-            "type": "array",
-            "items": { "type": "integer" },
-            "description": "Specific years this schedule applies to. If empty, applies to all years (when recurring is true)."
-          },
-          "recurring": {
-            "type": "boolean",
-            "description": "Whether this schedule repeats annually (default: true when no years are specified)"
-          },
           "reset": {
             "description": "Reset instructions for this scheduled playout",
             "type": "array",