improvement: treatment preview and treatment history components overhauled. draft & completed status for treatment plan completely removed from the flow.

backend/prisma/migrations/20260628170000_remove_treatment_status/migration.sql

@@ -0,0 +1,8 @@
+-- DropIndex
+DROP INDEX IF EXISTS "treatments_organizationId_status_idx";
+
+-- AlterTable
+ALTER TABLE "treatments" DROP COLUMN "status";
+
+-- DropEnum
+DROP TYPE "TreatmentStatus";