added encounter system

Packages/com.jovian.encounter-system/Runtime/EncounterLink.cs

@@ -0,0 +1,24 @@
+using System;
+
+namespace Jovian.EncounterSystem {
+    /// <summary>Cross-table reference. Rename-safe — the stored key is a GUID.</summary>
+    [Serializable]
+    public struct EncounterLink {
+        public EncounterTable table;
+        public string internalId;
+
+        public IEncounter Resolve() {
+            if(table == null || table.encounters == null || string.IsNullOrEmpty(internalId)) {
+                return null;
+            }
+
+            foreach(var encounter in table.encounters) {
+                if(encounter?.EncounterDefinition?.internalId == internalId) {
+                    return encounter;
+                }
+            }
+
+            return null;
+        }
+    }
+}