Add talk circles with TopicDef, staff/phone chat, and opinion outcomes.

src/HSchool.Ai/Decision.cs

@@ -41,7 +41,8 @@ public readonly record struct ActorState(
     IReadOnlyDictionary<string, float> Needs,
     Intent Intent,
     bool LunchWindowOpen = false,
-    ApparelActor Apparel = default);
+    ApparelActor Apparel = default,
+    TalkPlannerContext Talk = default);
 
 /// <summary>
 /// Picks a goal by weight and plans walk-then-do. No world, no clock — a table of inputs to an
@@ -254,6 +255,16 @@ public static class DecisionPlanner
             return Intent.None;
         }
 
+        if (state.BoundToLesson && TalkCircles.BlocksOnLesson(action.DefName))
+        {
+            return Intent.None;
+        }
+
+        if (action.DefName.Equals(TalkActions.PhoneChat, StringComparison.Ordinal) && !state.Talk.HasPhone)
+        {
+            return Intent.None;
+        }
+
         if (RoomFor(catalog, map, walks, state, occupied, action) is null)
         {
             return Intent.None;
@@ -396,8 +407,9 @@ public static class DecisionPlanner
         }
 
         string? best = null;
-        var bestCost = float.PositiveInfinity;
+        var bestScore = float.NegativeInfinity;
         var from = state.NodeId ?? walks.TerritoryId;
+        var candidates = new List<string>();
         foreach (var room in map.Rooms)
         {
             if (!action.Room.Equals(room.Def, StringComparison.Ordinal))
@@ -410,27 +422,37 @@ public static class DecisionPlanner
                 continue;
             }
 
-            var cost = walks.Minutes(from, room.Id);
-            if (float.IsInfinity(cost) || cost > bestCost)
-            {
-                continue;
-            }
-
-            if (cost < bestCost || best is null || string.CompareOrdinal(room.Id, best) < 0)
-            {
-                best = room.Id;
-                bestCost = cost;
-            }
+            candidates.Add(room.Id);
         }
 
         if (map.Territory is { } territory
             && action.Room.Equals(territory.Def, StringComparison.Ordinal)
             && HasSlot(catalog, map, occupied, territory.Id, action.Thing))
         {
-            var cost = walks.Minutes(from, territory.Id);
-            if (!float.IsInfinity(cost) && (best is null || cost < bestCost || (cost == bestCost && string.CompareOrdinal(territory.Id, best) < 0)))
+            candidates.Add(territory.Id);
+        }
+
+        var hasAlternative = candidates.Count > 1;
+        foreach (var nodeId in candidates)
+        {
+            if (action.Lunch
+                && TalkCircles.LunchNodeBlockedByEnemy(nodeId, state.Talk.SelfId ?? "", state.Talk, hasAlternative))
             {
-                best = territory.Id;
+                continue;
+            }
+
+            var cost = walks.Minutes(from, nodeId);
+            if (float.IsInfinity(cost))
+            {
+                continue;
+            }
+
+            var score = -cost + TalkCircles.NodeFriendScore(nodeId, state.Talk.SelfId ?? "", state.Talk);
+            if (score > bestScore
+                || (score == bestScore && (best is null || string.CompareOrdinal(nodeId, best) < 0)))
+            {
+                best = nodeId;
+                bestScore = score;
             }
         }