diff --git a/src/ClaudeDo.Worker/Program.cs b/src/ClaudeDo.Worker/Program.cs
index 94a5c79..54a9a0e 100644
--- a/src/ClaudeDo.Worker/Program.cs
+++ b/src/ClaudeDo.Worker/Program.cs
@@ -10,6 +10,7 @@ using ClaudeDo.Worker.Planning;
 using ClaudeDo.Worker.Queue;
 using ClaudeDo.Worker.Runner;
 using ClaudeDo.Worker.State;
+using ClaudeDo.Worker.Prime;
 using ClaudeDo.Worker.Worktrees;
 using Microsoft.EntityFrameworkCore;
 
@@ -74,6 +75,15 @@ builder.Services.AddSingleton(sp => new DefaultAgentSeeder(
 // Override slot owns RunNow / ContinueTask. Queue slot is the BackgroundService.
 builder.Services.AddSingleton<OverrideSlotService>();
 
+// Prime Claude
+builder.Services.AddSingleton<IPrimeClock, PrimeClock>();
+builder.Services.AddSingleton<PrimeScheduleSignal>();
+builder.Services.AddSingleton<IPrimeScheduleSignal>(sp => sp.GetRequiredService<PrimeScheduleSignal>());
+builder.Services.AddSingleton<IPrimeRunner, PrimeRunner>();
+builder.Services.AddSingleton(PrimeSchedulerOptions.Default);
+builder.Services.AddSingleton<IPrimeBroadcaster>(sp => sp.GetRequiredService<HubBroadcaster>());
+builder.Services.AddHostedService<PrimeScheduler>();
+
 // QueueService: singleton + hosted service (same instance).
 builder.Services.AddSingleton<QueueService>();
 builder.Services.AddHostedService(sp => sp.GetRequiredService<QueueService>());