feat(data): add daily note + week report entities and report settings

src/ClaudeDo.Data/Models/DailyNoteEntity.cs

@@ -0,0 +1,10 @@
+namespace ClaudeDo.Data.Models;
+
+public sealed class DailyNoteEntity
+{
+    public string Id { get; init; } = Guid.NewGuid().ToString();
+    public DateOnly Date { get; set; }
+    public string Text { get; set; } = string.Empty;
+    public int SortOrder { get; set; }
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+}