first commit

server/prisma/migrations/20260504160000_add_instance_display_order/migration.sql

@@ -0,0 +1,19 @@
+ALTER TABLE "instances"
+ADD COLUMN "display_order" INTEGER NOT NULL DEFAULT 0;
+
+WITH ordered_instances AS (
+  SELECT
+    "id",
+    (ROW_NUMBER() OVER (
+      PARTITION BY "user_id"
+      ORDER BY "created_at" DESC, "id" ASC
+    ) - 1) * 1000 AS "initial_display_order"
+  FROM "instances"
+)
+UPDATE "instances"
+SET "display_order" = ordered_instances."initial_display_order"
+FROM ordered_instances
+WHERE "instances"."id" = ordered_instances."id";
+
+CREATE INDEX "instances_user_id_display_order_created_at_idx"
+ON "instances"("user_id", "display_order", "created_at" DESC);