feat(prime): add PrimeActionKind to the schedule entity

src/ClaudeDo.Data/Models/PrimeActionKind.cs

@@ -0,0 +1,12 @@
+namespace ClaudeDo.Data.Models;
+
+/// <summary>What a Prime schedule actually does when it fires.</summary>
+public enum PrimeActionKind
+{
+    /// <summary>One throwaway turn that only opens the usage window. Default for new schedules.</summary>
+    Ping,
+    /// <summary>Run the daily prep prompt and let Claude fill MyDay.</summary>
+    FillMyDay,
+    /// <summary>Run the schedule's own prompt with the ClaudeDo MCP tools available.</summary>
+    Custom
+}

src/ClaudeDo.Data/Models/PrimeScheduleEntity.cs

@@ -4,6 +4,7 @@ public sealed class PrimeScheduleEntity
 {
     public Guid Id { get; set; } = Guid.NewGuid();
     public PrimeDays Days { get; set; } = PrimeDays.Weekdays;
+    public PrimeActionKind Kind { get; set; } = PrimeActionKind.Ping;
     public TimeSpan TimeOfDay { get; set; }
     public bool Enabled { get; set; } = true;
     public DateTimeOffset? LastRunAt { get; set; }