-- 解聘流程状态机：仅新增列，不删除/修改现有列
-- PostgreSQL 语法，安全执行不会丢失数据

ALTER TABLE "TerminationRecord" ADD COLUMN IF NOT EXISTS "status" TEXT NOT NULL DEFAULT 'DRAFT';
ALTER TABLE "TerminationRecord" ADD COLUMN IF NOT EXISTS "currentStep" INTEGER NOT NULL DEFAULT 0;
ALTER TABLE "TerminationRecord" ADD COLUMN IF NOT EXISTS "compensationBreakdown" JSONB;
ALTER TABLE "TerminationRecord" ADD COLUMN IF NOT EXISTS "checklistOverrides" JSONB;
ALTER TABLE "TerminationRecord" ADD COLUMN IF NOT EXISTS "handoverItems" JSONB;
ALTER TABLE "TerminationRecord" ADD COLUMN IF NOT EXISTS "approvedBy" TEXT;
ALTER TABLE "TerminationRecord" ADD COLUMN IF NOT EXISTS "approvedAt" TIMESTAMP(3);
ALTER TABLE "TerminationRecord" ADD COLUMN IF NOT EXISTS "approvalComment" TEXT;
ALTER TABLE "TerminationRecord" ADD COLUMN IF NOT EXISTS "updatedBy" TEXT;
ALTER TABLE "TerminationRecord" ADD COLUMN IF NOT EXISTS "updatedAt" TIMESTAMP(3) DEFAULT CURRENT_TIMESTAMP;

-- 创建索引
CREATE INDEX IF NOT EXISTS "TerminationRecord_orgId_status_idx" ON "TerminationRecord"("orgId", "status");