feat(data): add PrimeScheduleEntity + configuration

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/ClaudeDo.Data/ClaudeDoDbContext.cs

@@ -18,6 +18,7 @@ public class ClaudeDoDbContext : DbContext
     public DbSet<TaskRunEntity> TaskRuns => Set<TaskRunEntity>();
     public DbSet<SubtaskEntity> Subtasks => Set<SubtaskEntity>();
     public DbSet<AppSettingsEntity> AppSettings => Set<AppSettingsEntity>();
+    public DbSet<PrimeScheduleEntity> PrimeSchedules => Set<PrimeScheduleEntity>();
 
     protected override void OnModelCreating(ModelBuilder modelBuilder)
     {