feat: improved ops-strip with faction and stations

apps/backend/Simulation/SimulationEngine.Replication.cs

@@ -169,7 +169,7 @@ public sealed partial class SimulationEngine
             ship.History,
             ship.CurrentAction,
             ship.SpatialState)).ToList(),
-        world.Factions.Select(ToFactionDelta).Select(faction => new FactionSnapshot(
+        world.Factions.Select(faction => ToFactionDelta(faction, FindFactionCommander(world, faction.Id))).Select(faction => new FactionSnapshot(
             faction.Id,
             faction.Label,
             faction.Color,
@@ -179,7 +179,9 @@ public sealed partial class SimulationEngine
             faction.GoodsProduced,
             faction.ShipsBuilt,
             faction.ShipsLost,
-            faction.DefaultPolicySetId)).ToList());
+            faction.DefaultPolicySetId,
+            faction.GoapState,
+            faction.GoapPriorities)).ToList());
   }
 
   public void PrimeDeltaBaseline(SimulationWorld world)
@@ -231,7 +233,7 @@ public sealed partial class SimulationEngine
 
     foreach (var faction in world.Factions)
     {
-      faction.LastDeltaSignature = BuildFactionSignature(faction);
+      faction.LastDeltaSignature = BuildFactionSignature(faction, FindFactionCommander(world, faction.Id));
     }
   }
 
@@ -402,19 +404,25 @@ public sealed partial class SimulationEngine
     var deltas = new List<FactionDelta>();
     foreach (var faction in world.Factions)
     {
-      var signature = BuildFactionSignature(faction);
+      var commander = FindFactionCommander(world, faction.Id);
+      var signature = BuildFactionSignature(faction, commander);
       if (signature == faction.LastDeltaSignature)
       {
         continue;
       }
 
       faction.LastDeltaSignature = signature;
-      deltas.Add(ToFactionDelta(faction));
+      deltas.Add(ToFactionDelta(faction, commander));
     }
 
     return deltas;
   }
 
+  private static CommanderRuntime? FindFactionCommander(SimulationWorld world, string factionId) =>
+      world.Commanders.FirstOrDefault(c =>
+          c.FactionId == factionId &&
+          string.Equals(c.Kind, CommanderKind.Faction, StringComparison.Ordinal));
+
   private static string BuildNodeSignature(ResourceNodeRuntime node) =>
       $"{node.SystemId}|{node.Position.X:0.###}|{node.Position.Y:0.###}|{node.Position.Z:0.###}|{node.AnchorNodeId}|{node.OreRemaining:0.###}";
 
@@ -508,8 +516,13 @@ public sealed partial class SimulationEngine
               .OrderBy(entry => entry.Key, StringComparer.Ordinal)
               .Select(entry => $"{entry.Key}:{entry.Value:0.###}"));
 
-  private static string BuildFactionSignature(FactionRuntime faction) =>
-      $"{faction.Credits:0.###}|{faction.PopulationTotal:0.###}|{faction.OreMined:0.###}|{faction.GoodsProduced:0.###}|{faction.ShipsBuilt}|{faction.ShipsLost}|{faction.DefaultPolicySetId}";
+  private static string BuildFactionSignature(FactionRuntime faction, CommanderRuntime? commander)
+  {
+    var goapSig = commander?.LastGoalPriorities is { } prios
+        ? string.Join(",", prios.Select(p => $"{p.Name}:{p.Priority:0.##}"))
+        : string.Empty;
+    return $"{faction.Credits:0.###}|{faction.PopulationTotal:0.###}|{faction.OreMined:0.###}|{faction.GoodsProduced:0.###}|{faction.ShipsBuilt}|{faction.ShipsLost}|{faction.DefaultPolicySetId}|{goapSig}";
+  }
 
   private static ResourceNodeDelta ToNodeDelta(ResourceNodeRuntime node) => new(
       node.Id,
@@ -755,17 +768,44 @@ public sealed partial class SimulationEngine
           .Select(entry => new InventoryEntry(entry.Key, entry.Value))
           .ToList();
 
-  private static FactionDelta ToFactionDelta(FactionRuntime faction) => new(
-      faction.Id,
-      faction.Label,
-      faction.Color,
-      faction.Credits,
-      faction.PopulationTotal,
-      faction.OreMined,
-      faction.GoodsProduced,
-      faction.ShipsBuilt,
-      faction.ShipsLost,
-      faction.DefaultPolicySetId);
+  private static FactionDelta ToFactionDelta(FactionRuntime faction, CommanderRuntime? commander)
+  {
+    FactionGoapStateSnapshot? goapState = null;
+    IReadOnlyList<FactionGoapPrioritySnapshot>? goapPriorities = null;
+
+    if (commander?.LastPlanningState is { } ps)
+    {
+      goapState = new FactionGoapStateSnapshot(
+          ps.MilitaryShipCount,
+          ps.MinerShipCount,
+          ps.TransportShipCount,
+          ps.ConstructorShipCount,
+          ps.ControlledSystemCount,
+          ps.TargetSystemCount,
+          ps.HasShipFactory,
+          ps.OreStockpile,
+          ps.RefinedMetalsStockpile);
+    }
+
+    if (commander?.LastGoalPriorities is { } prios)
+    {
+      goapPriorities = prios.Select(p => new FactionGoapPrioritySnapshot(p.Name, p.Priority)).ToList();
+    }
+
+    return new FactionDelta(
+        faction.Id,
+        faction.Label,
+        faction.Color,
+        faction.Credits,
+        faction.PopulationTotal,
+        faction.OreMined,
+        faction.GoodsProduced,
+        faction.ShipsBuilt,
+        faction.ShipsLost,
+        faction.DefaultPolicySetId,
+        goapState,
+        goapPriorities);
+  }
 
   private static ShipSpatialStateSnapshot ToShipSpatialStateSnapshot(ShipSpatialStateRuntime state) => new(
       state.SpaceLayer,