实现企业银行账户与建行制单（corporate-bank-account-payment-order）

server/prisma/schema.prisma

@@ -598,6 +598,7 @@ model Employee {
 
   bank_account_encrypted String
   bank_name              String
+  bank_institution_id    String? @db.Uuid
   id_number_encrypted    String?
 
   password_hash         String
@@ -625,6 +626,7 @@ model Employee {
 
   department     Department   @relation(fields: [department_id], references: [id], onDelete: Restrict)
   legal_entity   LegalEntity? @relation(fields: [legal_entity_id], references: [id], onDelete: SetNull)
+  bank_institution BankInstitution? @relation(fields: [bank_institution_id], references: [id], onDelete: SetNull)
   direct_manager Employee?    @relation("EmployeeToManager", fields: [direct_manager_id], references: [id], onDelete: Restrict)
   subordinates   Employee[]   @relation("EmployeeToManager")
 
@@ -642,6 +644,7 @@ model Employee {
   paid_reimbursements                 ReimbursementForm[]             @relation("ReimbursementPaidBy")
   reimbursement_attachments_uploaded  ReimbursementAttachment[]       @relation("ReimbursementAttachmentUploader")
   payment_batch_receipts_uploaded     PaymentBatchReceiptAttachment[] @relation("PaymentBatchReceiptAttachmentUploader")
+  payment_batches_last_exported       PaymentBatch[]                  @relation("PaymentOrderLastExportedBy")
   leave_requests                      LeaveRequest[]
   leave_ledgers                       LeaveLedger[]
   wecom_checkin_records               WecomCheckinRecord[]
@@ -724,6 +727,7 @@ model Employee {
 
   @@index([department_id])
   @@index([legal_entity_id], map: "idx_employees_legal_entity")
+  @@index([bank_institution_id], map: "idx_employees_bank_institution")
   @@index([direct_manager_id])
   @@map("employees")
 }
@@ -985,12 +989,56 @@ model LegalEntity {
   card_authorizations           CardAuthorization[]
   asset_cards                   AssetCard[]
   budget_pools                  BudgetPool[]                @relation("BudgetPoolLegalEntity")
+  payment_accounts              PaymentAccount[]
+  payment_batches               PaymentBatch[]
 
   @@index([enabled, archived_at], map: "idx_legal_entities_status")
   @@index([default_holiday_calendar_id], map: "idx_legal_entities_default_calendar")
   @@map("legal_entities")
 }
 
+model BankInstitution {
+  id          String    @id @default(uuid()) @db.Uuid
+  code        String    @unique @db.VarChar(16)
+  name        String    @db.VarChar(100)
+  enabled     Boolean   @default(true)
+  archived_at DateTime?
+
+  created_at DateTime @default(now())
+  created_by String?  @db.Uuid
+  updated_at DateTime @default(now()) @updatedAt
+  updated_by String?  @db.Uuid
+
+  employees        Employee[]
+  payment_accounts PaymentAccount[]
+
+  @@index([enabled, archived_at], map: "idx_bank_institutions_status")
+  @@map("bank_institutions")
+}
+
+model PaymentAccount {
+  id                       String    @id @default(uuid()) @db.Uuid
+  legal_entity_id          String    @db.Uuid
+  bank_institution_id      String    @db.Uuid
+  account_name             String    @db.VarChar(120)
+  account_number_encrypted String
+  enabled                  Boolean   @default(true)
+  archived_at              DateTime?
+
+  created_at DateTime @default(now())
+  created_by String?  @db.Uuid
+  updated_at DateTime @default(now()) @updatedAt
+  updated_by String?  @db.Uuid
+
+  legal_entity     LegalEntity     @relation(fields: [legal_entity_id], references: [id], onDelete: Restrict)
+  bank_institution BankInstitution @relation(fields: [bank_institution_id], references: [id], onDelete: Restrict)
+  payment_batches  PaymentBatch[]
+
+  @@index([legal_entity_id, enabled, archived_at], map: "idx_payment_accounts_legal_entity_status")
+  @@index([bank_institution_id], map: "idx_payment_accounts_bank_institution")
+  @@map("payment_accounts")
+}
+
 model CostCenter {
   id                String    @id @default(uuid()) @db.Uuid
   legal_entity_id   String    @db.Uuid
@@ -1856,6 +1904,12 @@ model PaymentBatch {
   review_comment           String?
   secondary_review_comment String?
   execution_summary_json   Json?
+  legal_entity_id          String? @db.Uuid
+  payment_account_id       String? @db.Uuid
+  payment_account_snapshot_json Json?
+  payment_order_export_count Int @default(0)
+  payment_order_last_exported_at DateTime?
+  payment_order_last_exported_by String? @db.Uuid
 
   created_at            DateTime  @default(now())
   created_by            String?   @db.Uuid
@@ -1873,8 +1927,14 @@ model PaymentBatch {
 
   items               PaymentBatchItem[]
   receipt_attachments PaymentBatchReceiptAttachment[]
+  legal_entity        LegalEntity?   @relation(fields: [legal_entity_id], references: [id], onDelete: SetNull)
+  payment_account     PaymentAccount? @relation(fields: [payment_account_id], references: [id], onDelete: SetNull)
+  payment_order_last_exported_by_employee Employee? @relation("PaymentOrderLastExportedBy", fields: [payment_order_last_exported_by], references: [id], onDelete: SetNull)
 
   @@index([entity_type, status, created_at], map: "idx_payment_batches_entity_status_created")
+  @@index([legal_entity_id], map: "idx_payment_batches_legal_entity")
+  @@index([payment_account_id], map: "idx_payment_batches_payment_account")
+  @@index([payment_order_last_exported_by], map: "idx_payment_batches_order_exported_by")
   @@map("payment_batches")
 }