feat(08-05-contract-detail-workspace): 完成合同详情与终止状态治理

server/prisma/migrations/20260807193000_contract_registry_termination_workspace/migration.sql

@@ -0,0 +1,15 @@
+-- AlterTable
+ALTER TABLE "contract_registry"
+ADD COLUMN "terminated_at" TIMESTAMP(3),
+ADD COLUMN "terminated_reason" VARCHAR(1000),
+ADD COLUMN "terminated_by" UUID;
+
+-- CreateIndex
+CREATE INDEX "idx_contract_registry_terminator_terminated"
+ON "contract_registry"("terminated_by", "terminated_at");
+
+-- AddForeignKey
+ALTER TABLE "contract_registry"
+ADD CONSTRAINT "contract_registry_terminated_by_fkey"
+FOREIGN KEY ("terminated_by") REFERENCES "employees"("id")
+ON DELETE RESTRICT ON UPDATE CASCADE;

server/prisma/schema.prisma

@@ -716,6 +716,7 @@ model Employee {
   created_project_communication_logs   ProjectCommunicationLog[]     @relation("ProjectCommunicationLogCreator")
   completed_project_closure_checklists ProjectClosureChecklistItem[] @relation("ProjectClosureChecklistItemCompleter")
   owned_contract_registries            ContractRegistry[]            @relation("ContractRegistryOwner")
+  terminated_contract_registries       ContractRegistry[]            @relation("ContractRegistryTerminator")
   owned_confidential_document_refs     ConfidentialDocumentRef[]     @relation("ConfidentialDocumentRefOwner")
   contracts                            EmployeeContract[]
   trainings                            EmployeeTraining[]
@@ -2905,18 +2906,23 @@ model ContractRegistry {
   offline_archive_no    String?
   owner_employee_id     String               @db.Uuid
   status                String               @default("active") @db.VarChar(32)
+  terminated_at         DateTime?
+  terminated_reason     String?              @db.VarChar(1000)
+  terminated_by         String?              @db.Uuid
 
   created_at DateTime @default(now())
   updated_at DateTime @default(now()) @updatedAt
 
   project       Project?                  @relation(fields: [project_id], references: [id], onDelete: SetNull)
   owner         Employee                  @relation("ContractRegistryOwner", fields: [owner_employee_id], references: [id], onDelete: Restrict)
+  terminator    Employee?                 @relation("ContractRegistryTerminator", fields: [terminated_by], references: [id], onDelete: Restrict)
   document_refs ConfidentialDocumentRef[]
 
   @@index([project_id, status], map: "idx_contract_registry_project_status")
   @@index([status, expiry_date], map: "idx_contract_registry_status_expiry")
   @@index([contract_type, status], map: "idx_contract_registry_type_status")
   @@index([owner_employee_id, created_at], map: "idx_contract_registry_owner_created")
+  @@index([terminated_by, terminated_at], map: "idx_contract_registry_terminator_terminated")
   @@map("contract_registry")
 }