A2/A4/A6 实现员工头像后端、组织架构接口与合同模型

server/prisma/migrations/20260329194000_r43_employee_avatar_contracts/migration.sql

@@ -0,0 +1,35 @@
+-- AlterTable
+ALTER TABLE "employees" ADD COLUMN "avatar_path" TEXT;
+
+-- CreateEnum
+CREATE TYPE "EmployeeContractType" AS ENUM ('labor', 'nda', 'non_compete', 'internship');
+
+-- CreateTable
+CREATE TABLE "employee_contracts" (
+    "id" UUID NOT NULL,
+    "employee_id" UUID NOT NULL,
+    "contract_no" TEXT NOT NULL,
+    "contract_type" "EmployeeContractType" NOT NULL,
+    "start_date" DATE NOT NULL,
+    "end_date" DATE NOT NULL,
+    "terminated_date" DATE,
+    "attachment_path" TEXT,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "created_by" UUID,
+    "updated_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_by" UUID,
+
+    CONSTRAINT "employee_contracts_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "employee_contracts_employee_contract_no_ux" ON "employee_contracts"("employee_id", "contract_no");
+
+-- CreateIndex
+CREATE INDEX "idx_employee_contracts_employee_start" ON "employee_contracts"("employee_id", "start_date");
+
+-- CreateIndex
+CREATE INDEX "idx_employee_contracts_employee_end" ON "employee_contracts"("employee_id", "end_date");
+
+-- AddForeignKey
+ALTER TABLE "employee_contracts" ADD CONSTRAINT "employee_contracts_employee_id_fkey" FOREIGN KEY ("employee_id") REFERENCES "employees"("id") ON DELETE CASCADE ON UPDATE CASCADE;