Update proclamation category naming constraints.

prisma/migrations/20260316183807_fix_name_constraints_on_categories/migration.sql

@@ -0,0 +1,11 @@
+/*
+  Warnings:
+
+  - A unique constraint covering the columns `[parentId,name]` on the table `ProclamationCategory` will be added. If there are existing duplicate values, this will fail.
+
+*/
+-- DropIndex
+DROP INDEX "ProclamationCategory_name_key";
+
+-- CreateIndex
+CREATE UNIQUE INDEX "ProclamationCategory_parentId_name_key" ON "ProclamationCategory"("parentId", "name");