feat(data): seed default Lists (My Day, Important, Planned)

src/ClaudeDo.Installer/Steps/InitDatabaseStep.cs

@@ -1,4 +1,5 @@
 using ClaudeDo.Data;
+using ClaudeDo.Data.Seeding;
 using ClaudeDo.Installer.Core;
 using Microsoft.EntityFrameworkCore;
 
@@ -20,6 +21,7 @@ public sealed class InitDatabaseStep : IInstallStep
                 .Options;
             using var context = new ClaudeDoDbContext(options);
             ClaudeDoDbContext.MigrateAndConfigure(context);
+            DefaultListsSeeder.SeedAsync(context).GetAwaiter().GetResult();
 
             progress.Report("Schema applied successfully");
             return Task.FromResult(StepResult.Ok());