Refactor runtime bootstrap and ship control flows

apps/backend/Universe/Scenario/WorldRuntimeAssembler.cs

@@ -18,9 +18,6 @@ public sealed class WorldRuntimeAssembler(
         var policies = seedingService.CreatePolicies(factions);
         var commanders = seedingService.CreateCommanders(factions, content.Stations, content.Ships);
         var nowUtc = DateTimeOffset.UtcNow;
-        var playerFaction = worldGenerationOptions.GeneratePlayerFaction
-          ? seedingService.CreatePlayerFaction(factions, content.Stations, content.Ships, commanders, policies, nowUtc)
-          : null;
         var claims = seedingService.CreateClaims(content.Stations, topology.SpatialLayout.Celestials, nowUtc);
 
         var world = new SimulationWorld
@@ -34,7 +31,6 @@ public sealed class WorldRuntimeAssembler(
             Stations = content.Stations.ToList(),
             Ships = content.Ships.ToList(),
             Factions = factions,
-            PlayerFaction = playerFaction,
             Geopolitics = null,
             Commanders = commanders,
             Claims = claims,