feat: plan deterministic generated conversations

simulation/dialogue/ConversationIntentDefinition.gd

@@ -0,0 +1,22 @@
+class_name ConversationIntentDefinition
+extends Resource
+
+@export var intent_id: StringName
+@export var response_intent_ids: Array[StringName] = []
+
+
+func validate() -> Array[String]:
+	var errors: Array[String] = []
+	if not ConversationSemantic.is_valid_id(intent_id):
+		errors.append("intent_id is invalid")
+	var seen: Dictionary = {}
+	for response_intent_id in response_intent_ids:
+		if not ConversationSemantic.is_valid_id(response_intent_id):
+			errors.append("response intent ID is invalid for '%s'" % intent_id)
+		elif seen.has(response_intent_id):
+			errors.append(
+				"duplicate response intent '%s' for '%s'" % [response_intent_id, intent_id]
+			)
+		else:
+			seen[response_intent_id] = true
+	return errors