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frontend/src/module/release/model/release-view-model.js

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+import { formatDateTime, statusTypeMap } from "@/module/experiment/model/experiment-view-model";
+
+export const mapReleaseDetail = (item = {}) => ({
+  id: item.id || "",
+  experimentId: item.experiment_id || "",
+  versionNo: item.version_no ?? 0,
+  status: item.status || "draft",
+  runtimePayload: item.runtime_payload || {},
+});
+
+export const buildReleaseStatusTag = (status) => statusTypeMap[status] || "info";
+
+export const buildReleaseTitle = (release) =>
+  release?.versionNo ? `版本 v${release.versionNo}` : "未命名版本";
+
+export const buildRuntimePayloadSummary = (payload = {}) => {
+  const topLevelKeys = Object.keys(payload || {});
+  const variants = Array.isArray(payload?.variants) ? payload.variants.length : 0;
+
+  return {
+    keyCount: topLevelKeys.length,
+    variants,
+    keys: topLevelKeys,
+  };
+};
+
+export const buildReleaseReadiness = ({ release, payloadSummary }) => {
+  if (!release?.id) {
+    return {
+      level: "warning",
+      title: "版本尚未就緒",
+      description: "先確認版本已建立，再進行執行內容與發佈檢查。",
+    };
+  }
+
+  if (payloadSummary.keyCount === 0) {
+    return {
+      level: "warning",
+      title: "這個版本尚未包含執行內容",
+      description: "先確認版本是否已正確建立執行內容，之後才能往發佈與套用驗證走。",
+    };
+  }
+
+  return {
+    level: "ready",
+    title: "這個版本已具備執行內容",
+    description: "可以發佈此版本，讓頁面變更上線並開始追蹤成效。",
+  };
+};
+
+export const buildReleaseUpdatedHint = (value) =>
+  value ? formatDateTime(value) : "目前尚未記錄更新時間";