improvement: dashboard UX improved

backend/prisma/migrations/20260430184000_add_treatment_permissions/migration.sql

@@ -0,0 +1,24 @@
+-- Ensure Treatment feature and permissions exist for existing databases.
+WITH treatment_feature AS (
+  INSERT INTO "features" ("id", "name")
+  VALUES (md5(random()::text || clock_timestamp()::text), 'Treatment')
+  ON CONFLICT ("name") DO UPDATE SET "name" = EXCLUDED."name"
+  RETURNING "id"
+),
+selected_feature AS (
+  SELECT "id" FROM treatment_feature
+  UNION ALL
+  SELECT f."id" FROM "features" f WHERE f."name" = 'Treatment' LIMIT 1
+)
+INSERT INTO "permissions" ("id", "name", "featureId")
+SELECT md5(random()::text || clock_timestamp()::text), 'TAB_TREATMENT_READ', sf."id"
+FROM selected_feature sf
+ON CONFLICT ("name") DO NOTHING;
+
+WITH treatment_feature AS (
+  SELECT "id" FROM "features" WHERE "name" = 'Treatment' LIMIT 1
+)
+INSERT INTO "permissions" ("id", "name", "featureId")
+SELECT md5(random()::text || clock_timestamp()::text), 'TAB_TREATMENT_EDIT', tf."id"
+FROM treatment_feature tf
+ON CONFLICT ("name") DO NOTHING;