🧪 Add regression test for different result between back and frontend

sergei-maertens · sergei-maertens · commit e16027a0dd70 · 2026-03-18T09:58:29.000+01:00
diff --git a/json-logic/custom-operators.json b/json-logic/custom-operators.json
@@ -97,6 +97,26 @@
         },
         {},
         "2013-09-13"
+      ],
+      [
+        {
+          "+": [
+            {"date": "2026-03-17"},
+            {"duration": "P1M"}
+          ]
+        },
+        {},
+        "2026-04-17"
+      ],
+      [
+        {
+          "-": [
+            {"date": "2026-04-17"},
+            {"duration": "P1M"}
+          ]
+        },
+        {},
+        "2026-03-17"
       ]
     ]
   },
