实现报销费用政策与票据明细门禁（08-29-reimbursement-expense-policy-invoice-guard）

server/prisma/migrations/20260829120000_reimbursement_expense_policy_invoice_guard/migration.sql

@@ -0,0 +1,9 @@
+ALTER TABLE "expense_types"
+ADD COLUMN "requires_invoice" BOOLEAN NOT NULL DEFAULT true;
+
+ALTER TABLE "reimbursement_items"
+ADD COLUMN "asset_prior_approval_basis" TEXT;
+
+UPDATE "expense_types"
+SET "requires_invoice" = false
+WHERE "code" IN ('travel_meal', 'travel_local_transport_allowance');