-- CreateTable (누락됐던 milestones 테이블 생성)
CREATE TABLE IF NOT EXISTS "milestones" (
    "id" TEXT NOT NULL,
    "taskId" TEXT NOT NULL,
    "title" TEXT NOT NULL,
    "description" TEXT,
    "startDate" TIMESTAMP(3),
    "dueDate" TIMESTAMP(3),
    "progress" INTEGER NOT NULL DEFAULT 0,
    "links" TEXT,
    "completedAt" TIMESTAMP(3),
    "order" INTEGER NOT NULL DEFAULT 0,
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updatedAt" TIMESTAMP(3) NOT NULL,

    CONSTRAINT "milestones_pkey" PRIMARY KEY ("id")
);

CREATE INDEX IF NOT EXISTS "milestones_taskId_idx" ON "milestones"("taskId");

DO $$ BEGIN
  ALTER TABLE "milestones" ADD CONSTRAINT "milestones_taskId_fkey"
    FOREIGN KEY ("taskId") REFERENCES "tasks"("id") ON DELETE CASCADE ON UPDATE CASCADE;
EXCEPTION
  WHEN duplicate_object THEN NULL;
END $$;