From 69c7c452573cf16b48e4d1f9879645d6a8b383c6 Mon Sep 17 00:00:00 2001
From: Fenris Wolf <fenris@folksprak.org>
Date: Thu, 12 Sep 2024 19:35:04 +0200
Subject: [PATCH] [mod]

---
 source/structure/r1.sindri.json | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/source/structure/r1.sindri.json b/source/structure/r1.sindri.json
index e757245..7ec6440 100644
--- a/source/structure/r1.sindri.json
+++ b/source/structure/r1.sindri.json
@@ -138,6 +138,12 @@
 				}
 			],
 			"constraints": [
+				{
+					"kind": "unique",
+					"parameters": {
+						"fields": ["kind","sub_id"]
+					}
+				}
 			]
 		},
 		{