实现报销材料合并预览与差旅概要（07-27-yang-jun-reimbursement-readiness）

server/prisma/migrations/20260801120000_reimbursement_travel_summary/migration.sql

@@ -0,0 +1,5 @@
+ALTER TABLE "reimbursement_forms"
+ADD COLUMN "travel_purpose" VARCHAR(200),
+ADD COLUMN "travel_location" VARCHAR(200),
+ADD COLUMN "travel_start_date" DATE,
+ADD COLUMN "travel_end_date" DATE;

server/prisma/schema.prisma

@@ -1407,6 +1407,10 @@ model ReimbursementForm {
   paid_by                  String?             @db.Uuid
   project_id               String?             @db.Uuid
   linked_travel_request_id String?             @db.Uuid
+  travel_purpose          String?             @db.VarChar(200)
+  travel_location         String?             @db.VarChar(200)
+  travel_start_date       DateTime?           @db.Date
+  travel_end_date         DateTime?           @db.Date
 
   created_at DateTime @default(now())
   created_by String?  @db.Uuid