fix(web): 巡检目标模板的占位符显示成名称(FIX-7)

执行时 renderGoal 已正确替换(补单测);界面显示的是模板本身,{{now}} 等改成「当前时间」标签。

Co-Authored-By: Claude Opus 5.5 <[email protected]>

apps/web/app/components/schedules/labels.ts

@@ -129,3 +129,28 @@ export function formatClock(iso: string | null | undefined): string {
     second: "2-digit",
   });
 }
+
+/** 巡检目标模板的占位符(服务端 renderGoal 执行时替换);界面上显示成名称,不露 `{{now}}` */
+export const GOAL_PLACEHOLDER_LABEL: Record<string, string> = {
+  now: "当前时间",
+  date: "今天日期",
+  openDecisions: "待处理事项数",
+  stalledDownloads: "异常下载数",
+  activeSubscriptions: "追踪中的订阅数",
+};
+
+/** 目标模板拆成文字与占位符两段(纯函数,单测覆盖);不认识的占位符原样当文字 */
+export function goalTemplateParts(template: string): ({ text: string } | { placeholder: string; label: string })[] {
+  const out: ({ text: string } | { placeholder: string; label: string })[] = [];
+  let last = 0;
+  for (const m of template.matchAll(/\{\{\s*(\w+)\s*\}\}/g)) {
+    const key = m[1] ?? "";
+    const label = GOAL_PLACEHOLDER_LABEL[key];
+    if (!label) continue;
+    if (m.index > last) out.push({ text: template.slice(last, m.index) });
+    out.push({ placeholder: key, label });
+    last = m.index + m[0].length;
+  }
+  if (last < template.length) out.push({ text: template.slice(last) });
+  return out;
+}