ceshi

frontend-web/src/components/page-sidebar.tsx

@@ -10,6 +10,7 @@ import {
   Gauge,
   ListTree,
   MousePointerClick,
+  FileText,
   BriefcaseBusiness,
   Settings,
   ShieldAlert,
@@ -236,6 +237,14 @@ function SecondaryNavSidebar({ headerHidden }: { headerHidden: boolean }) {
                       按钮管理
                     </DropdownMenuItem>
                   )}
+                  {isAdmin && (
+                    <DropdownMenuItem
+                      onClick={() => navigate("/page/strategy/admin/notification-templates")}
+                    >
+                      <FileText className="size-4" />
+                      通知模板管理
+                    </DropdownMenuItem>
+                  )}
                   {isAdmin && (
                     <DropdownMenuItem
                       onClick={() => navigate("/page/strategy/admin/position-roles")}
@@ -549,6 +558,14 @@ function LegacyAccordionSidebar({
                   按钮管理
                 </DropdownMenuItem>
               )}
+              {isAdmin && (
+                <DropdownMenuItem
+                  onClick={() => navigate("/page/strategy/admin/notification-templates")}
+                >
+                  <FileText className="size-4" />
+                  通知模板管理
+                </DropdownMenuItem>
+              )}
               {isAdmin && (
                 <DropdownMenuItem onClick={() => navigate("/page/strategy/admin/position-roles")}>
                   <BriefcaseBusiness className="size-4" />

frontend-web/src/pages/NotificationTemplatesPage.tsx

@@ -0,0 +1,706 @@
+"use client";
+
+/**
+ * 通知模板管理（仅 admin）：创建/维护消息通知模板，支持变量校验与实时预览、
+ * 乐观锁冲突对比（重新加载 / 覆盖保存）。
+ */
+
+import { useEffect, useMemo, useState } from "react";
+import { Navigate } from "react-router-dom";
+import {
+  AlertTriangle,
+  Copy,
+  FileText,
+  Loader2,
+  Pencil,
+  Plus,
+  Search,
+  Trash2,
+} from "lucide-react";
+import { toast } from "sonner";
+
+import { Button } from "@/components/ui/button";
+import {
+  Dialog,
+  DialogContent,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+} from "@/components/ui/dialog";
+import { Input } from "@/components/ui/input";
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/components/ui/select";
+import { Switch } from "@/components/ui/switch";
+import { Textarea } from "@/components/ui/textarea";
+import { getStoredAuth } from "@/core/auth";
+import { cn } from "@/lib/utils";
+import {
+  NOTIFICATION_TEMPLATE_VARIABLES,
+  NotificationTemplateConflictError,
+  previewNotificationTemplate,
+  useNotificationTemplateActions,
+  useNotificationTemplates,
+  type NotificationTemplate,
+  type NotificationTemplateInput,
+  type PreviewResult,
+} from "@/strategy-components/api/notification-templates";
+
+interface FormState {
+  name: string;
+  titleTemplate: string;
+  contentTemplate: string;
+  tagsText: string;
+  enabled: boolean;
+}
+
+interface ConflictState {
+  server: NotificationTemplate;
+  mine: FormState;
+}
+
+const emptyForm = (): FormState => ({
+  name: "",
+  titleTemplate: "",
+  contentTemplate: "",
+  tagsText: "",
+  enabled: true,
+});
+
+function formFromTemplate(t: NotificationTemplate): FormState {
+  return {
+    name: t.name,
+    titleTemplate: t.titleTemplate,
+    contentTemplate: t.contentTemplate,
+    tagsText: (t.tags ?? []).join(", "),
+    enabled: t.enabled,
+  };
+}
+
+function parseTags(text: string): string[] {
+  const seen = new Set<string>();
+  const out: string[] = [];
+  for (const part of text.split(/[,，]/)) {
+    const tag = part.trim();
+    if (!tag || seen.has(tag)) continue;
+    seen.add(tag);
+    out.push(tag);
+  }
+  return out;
+}
+
+function toInput(form: FormState): NotificationTemplateInput {
+  return {
+    name: form.name,
+    titleTemplate: form.titleTemplate,
+    contentTemplate: form.contentTemplate,
+    tags: parseTags(form.tagsText),
+    enabled: form.enabled,
+  };
+}
+
+const DEFAULT_PREVIEW_VARS: Record<string, string> = {
+  userName: "张三",
+  taskName: "示例任务",
+  taskId: "T-001",
+  dueDate: "2026-08-10",
+};
+
+export default function NotificationTemplatesPage() {
+  const isAdmin = getStoredAuth()?.system_role === "admin";
+  const actions = useNotificationTemplateActions();
+
+  const [keyword, setKeyword] = useState("");
+  const [keywordApplied, setKeywordApplied] = useState("");
+  const [enabledFilter, setEnabledFilter] = useState<"all" | "true" | "false">("all");
+  const [tagFilter, setTagFilter] = useState("");
+  const [page, setPage] = useState(1);
+  const pageSize = 10;
+
+  const listParams = useMemo(
+    () => ({
+      keyword: keywordApplied || undefined,
+      enabled:
+        enabledFilter === "all" ? null : enabledFilter === "true" ? true : false,
+      tag: tagFilter.trim() || undefined,
+      page,
+      pageSize,
+    }),
+    [keywordApplied, enabledFilter, tagFilter, page, pageSize],
+  );
+
+  const { data, isLoading, isError, error, refetch, isFetching } =
+    useNotificationTemplates(listParams);
+
+  const items = data?.items ?? [];
+  const total = data?.total ?? 0;
+  const totalPages = Math.max(1, Math.ceil(total / pageSize));
+
+  const [dialogOpen, setDialogOpen] = useState(false);
+  const [editing, setEditing] = useState<NotificationTemplate | null>(null);
+  const [form, setForm] = useState<FormState>(emptyForm);
+  const [saveError, setSaveError] = useState<string | null>(null);
+  const [conflict, setConflict] = useState<ConflictState | null>(null);
+
+  const [deleteTarget, setDeleteTarget] = useState<NotificationTemplate | null>(null);
+
+  const [previewVars, setPreviewVars] = useState(DEFAULT_PREVIEW_VARS);
+  const [preview, setPreview] = useState<PreviewResult | null>(null);
+  const [previewLoading, setPreviewLoading] = useState(false);
+
+  const saving =
+    actions.create.isPending || actions.update.isPending || actions.duplicate.isPending;
+
+  // 实时预览（编辑弹窗打开时）
+  useEffect(() => {
+    if (!dialogOpen) return;
+    let cancelled = false;
+    const timer = window.setTimeout(() => {
+      setPreviewLoading(true);
+      void previewNotificationTemplate({
+        titleTemplate: form.titleTemplate,
+        contentTemplate: form.contentTemplate,
+        variables: previewVars,
+      })
+        .then((r) => {
+          if (!cancelled) setPreview(r);
+        })
+        .catch(() => {
+          if (!cancelled) setPreview(null);
+        })
+        .finally(() => {
+          if (!cancelled) setPreviewLoading(false);
+        });
+    }, 280);
+    return () => {
+      cancelled = true;
+      window.clearTimeout(timer);
+    };
+  }, [dialogOpen, form.titleTemplate, form.contentTemplate, previewVars]);
+
+  if (!isAdmin) {
+    return <Navigate to="/page/workspace/chats/new" replace />;
+  }
+
+  const openCreate = () => {
+    setEditing(null);
+    setForm(emptyForm());
+    setSaveError(null);
+    setConflict(null);
+    setDialogOpen(true);
+  };
+
+  const openEdit = (t: NotificationTemplate) => {
+    setEditing(t);
+    setForm(formFromTemplate(t));
+    setSaveError(null);
+    setConflict(null);
+    setDialogOpen(true);
+  };
+
+  const applySearch = () => {
+    setPage(1);
+    setKeywordApplied(keyword.trim());
+  };
+
+  const handleSave = async (opts?: { forceVersion?: number }) => {
+    setSaveError(null);
+    const input = toInput(form);
+    try {
+      if (editing) {
+        const version = opts?.forceVersion ?? editing.version;
+        const updated = await actions.update.mutateAsync({
+          id: editing.id,
+          input: { ...input, expectedVersion: version },
+        });
+        setEditing(updated);
+        setConflict(null);
+        toast.success("模板已保存");
+        setDialogOpen(false);
+      } else {
+        await actions.create.mutateAsync(input);
+        toast.success("模板已创建");
+        setDialogOpen(false);
+      }
+    } catch (e) {
+      if (e instanceof NotificationTemplateConflictError) {
+        setConflict({ server: e.server, mine: form });
+        setSaveError("版本冲突：服务器上的模板已被他人更新，请选择重新加载或覆盖保存。");
+        return;
+      }
+      const msg = e instanceof Error ? e.message : "保存失败";
+      setSaveError(msg);
+      toast.error(msg);
+    }
+  };
+
+  const handleReloadFromServer = () => {
+    if (!conflict) return;
+    setEditing(conflict.server);
+    setForm(formFromTemplate(conflict.server));
+    setConflict(null);
+    setSaveError(null);
+    toast.info("已加载服务器最新版本");
+  };
+
+  const handleForceOverwrite = async () => {
+    if (!conflict) return;
+    await handleSave({ forceVersion: conflict.server.version });
+  };
+
+  const handleToggle = async (t: NotificationTemplate) => {
+    try {
+      await actions.update.mutateAsync({
+        id: t.id,
+        input: {
+          name: t.name,
+          titleTemplate: t.titleTemplate,
+          contentTemplate: t.contentTemplate,
+          tags: t.tags,
+          enabled: !t.enabled,
+          expectedVersion: t.version,
+        },
+      });
+      toast.success(t.enabled ? "已停用" : "已启用");
+    } catch (e) {
+      if (e instanceof NotificationTemplateConflictError) {
+        toast.error("版本冲突，请刷新列表后重试");
+        void refetch();
+        return;
+      }
+      toast.error(e instanceof Error ? e.message : "启停失败");
+    }
+  };
+
+  const handleDuplicate = async (t: NotificationTemplate) => {
+    try {
+      await actions.duplicate.mutateAsync(t.id);
+      toast.success("已复制");
+    } catch (e) {
+      toast.error(e instanceof Error ? e.message : "复制失败");
+    }
+  };
+
+  const handleDelete = async () => {
+    if (!deleteTarget) return;
+    try {
+      await actions.remove.mutateAsync(deleteTarget.id);
+      toast.success("已删除");
+      setDeleteTarget(null);
+      if (items.length <= 1 && page > 1) setPage((p) => p - 1);
+    } catch (e) {
+      toast.error(e instanceof Error ? e.message : "删除失败");
+    }
+  };
+
+  const insertVariable = (name: string, field: "titleTemplate" | "contentTemplate") => {
+    const token = `{{${name}}}`;
+    setForm((f) => ({ ...f, [field]: `${f[field]}${token}` }));
+  };
+
+  return (
+    <div className="mx-auto flex h-full w-full max-w-6xl flex-col gap-4 p-6">
+      <header className="flex flex-wrap items-start justify-between gap-3">
+        <div>
+          <h1 className="flex items-center gap-2 text-xl font-semibold tracking-tight">
+            <FileText className="size-5" />
+            通知模板管理
+          </h1>
+          <p className="mt-1 text-sm text-muted-foreground">
+            维护消息通知的标题/正文模板。支持变量：
+            {NOTIFICATION_TEMPLATE_VARIABLES.map((v) => (
+              <code key={v} className="mx-1 rounded bg-muted px-1.5 py-0.5 text-xs">
+                {`{{${v}}}`}
+              </code>
+            ))}
+          </p>
+        </div>
+        <Button onClick={openCreate}>
+          <Plus className="size-4" />
+          新建模板
+        </Button>
+      </header>
+
+      <div className="flex flex-wrap items-end gap-3 rounded-lg border bg-card p-3">
+        <div className="min-w-[200px] flex-1">
+          <label className="mb-1 block text-xs text-muted-foreground">关键字</label>
+          <div className="flex gap-2">
+            <Input
+              value={keyword}
+              placeholder="搜索名称 / 标题 / 正文"
+              onChange={(e) => setKeyword(e.target.value)}
+              onKeyDown={(e) => {
+                if (e.key === "Enter") applySearch();
+              }}
+            />
+            <Button variant="secondary" onClick={applySearch}>
+              <Search className="size-4" />
+            </Button>
+          </div>
+        </div>
+        <div className="w-36">
+          <label className="mb-1 block text-xs text-muted-foreground">启用状态</label>
+          <Select
+            value={enabledFilter}
+            onValueChange={(v) => {
+              setEnabledFilter(v as "all" | "true" | "false");
+              setPage(1);
+            }}
+          >
+            <SelectTrigger>
+              <SelectValue />
+            </SelectTrigger>
+            <SelectContent>
+              <SelectItem value="all">全部</SelectItem>
+              <SelectItem value="true">已启用</SelectItem>
+              <SelectItem value="false">已停用</SelectItem>
+            </SelectContent>
+          </Select>
+        </div>
+        <div className="w-40">
+          <label className="mb-1 block text-xs text-muted-foreground">标签</label>
+          <Input
+            value={tagFilter}
+            placeholder="精确匹配标签"
+            onChange={(e) => {
+              setTagFilter(e.target.value);
+              setPage(1);
+            }}
+          />
+        </div>
+      </div>
+
+      {isError ? (
+        <div className="flex flex-col items-center gap-3 rounded-lg border border-destructive/40 bg-destructive/5 px-6 py-12 text-center">
+          <AlertTriangle className="size-8 text-destructive" />
+          <p className="text-sm text-destructive">
+            {error instanceof Error && /403|仅限管理员|Forbidden/i.test(error.message)
+              ? "无权限访问通知模板管理"
+              : error instanceof Error
+                ? error.message
+                : "加载失败"}
+          </p>
+          <Button variant="outline" onClick={() => void refetch()}>
+            重试
+          </Button>
+        </div>
+      ) : isLoading ? (
+        <div className="flex items-center justify-center gap-2 py-20 text-sm text-muted-foreground">
+          <Loader2 className="size-4 animate-spin" />
+          加载中…
+        </div>
+      ) : items.length === 0 ? (
+        <div className="flex flex-col items-center gap-3 rounded-lg border border-dashed px-6 py-16 text-center">
+          <FileText className="size-10 text-muted-foreground/50" />
+          <p className="text-sm text-muted-foreground">暂无通知模板</p>
+          <Button onClick={openCreate}>
+            <Plus className="size-4" />
+            创建第一个模板
+          </Button>
+        </div>
+      ) : (
+        <div className={cn("overflow-hidden rounded-lg border", isFetching && "opacity-70")}>
+          <table className="w-full text-sm">
+            <thead className="bg-muted/50 text-left text-xs text-muted-foreground">
+              <tr>
+                <th className="px-3 py-2 font-medium">名称</th>
+                <th className="px-3 py-2 font-medium">标题模板</th>
+                <th className="px-3 py-2 font-medium">标签</th>
+                <th className="px-3 py-2 font-medium">版本</th>
+                <th className="px-3 py-2 font-medium">启用</th>
+                <th className="px-3 py-2 font-medium text-right">操作</th>
+              </tr>
+            </thead>
+            <tbody>
+              {items.map((t) => (
+                <tr key={t.id} className="border-t">
+                  <td className="px-3 py-2.5 font-medium">{t.name}</td>
+                  <td className="max-w-[240px] truncate px-3 py-2.5 text-muted-foreground">
+                    {t.titleTemplate}
+                  </td>
+                  <td className="px-3 py-2.5">
+                    <div className="flex flex-wrap gap-1">
+                      {t.tags.length === 0 ? (
+                        <span className="text-xs text-muted-foreground">—</span>
+                      ) : (
+                        t.tags.map((tag) => (
+                          <span
+                            key={tag}
+                            className="rounded bg-muted px-1.5 py-0.5 text-xs"
+                          >
+                            {tag}
+                          </span>
+                        ))
+                      )}
+                    </div>
+                  </td>
+                  <td className="px-3 py-2.5 text-muted-foreground">v{t.version}</td>
+                  <td className="px-3 py-2.5">
+                    <Switch checked={t.enabled} onCheckedChange={() => void handleToggle(t)} />
+                  </td>
+                  <td className="px-3 py-2.5">
+                    <div className="flex justify-end gap-1">
+                      <Button
+                        size="sm"
+                        variant="ghost"
+                        onClick={() => openEdit(t)}
+                        title="编辑"
+                      >
+                        <Pencil className="size-3.5" />
+                      </Button>
+                      <Button
+                        size="sm"
+                        variant="ghost"
+                        onClick={() => void handleDuplicate(t)}
+                        title="复制"
+                      >
+                        <Copy className="size-3.5" />
+                      </Button>
+                      <Button
+                        size="sm"
+                        variant="ghost"
+                        className="text-destructive"
+                        onClick={() => setDeleteTarget(t)}
+                        title="删除"
+                      >
+                        <Trash2 className="size-3.5" />
+                      </Button>
+                    </div>
+                  </td>
+                </tr>
+              ))}
+            </tbody>
+          </table>
+          <div className="flex items-center justify-between border-t px-3 py-2 text-xs text-muted-foreground">
+            <span>
+              共 {total} 条 · 第 {page}/{totalPages} 页
+            </span>
+            <div className="flex gap-2">
+              <Button
+                size="sm"
+                variant="outline"
+                disabled={page <= 1}
+                onClick={() => setPage((p) => Math.max(1, p - 1))}
+              >
+                上一页
+              </Button>
+              <Button
+                size="sm"
+                variant="outline"
+                disabled={page >= totalPages}
+                onClick={() => setPage((p) => p + 1)}
+              >
+                下一页
+              </Button>
+            </div>
+          </div>
+        </div>
+      )}
+
+      {/* 新建 / 编辑 */}
+      <Dialog open={dialogOpen} onOpenChange={setDialogOpen}>
+        <DialogContent className="max-h-[92vh] max-w-3xl overflow-y-auto">
+          <DialogHeader>
+            <DialogTitle>{editing ? "编辑通知模板" : "新建通知模板"}</DialogTitle>
+          </DialogHeader>
+
+          <div className="grid gap-4 md:grid-cols-2">
+            <div className="space-y-3">
+              <div>
+                <label className="mb-1 block text-xs text-muted-foreground">名称</label>
+                <Input
+                  value={form.name}
+                  maxLength={50}
+                  placeholder="2~50 个字符"
+                  onChange={(e) => setForm((f) => ({ ...f, name: e.target.value }))}
+                />
+              </div>
+              <div>
+                <label className="mb-1 block text-xs text-muted-foreground">标题模板</label>
+                <Input
+                  value={form.titleTemplate}
+                  maxLength={120}
+                  placeholder="如：任务 {{taskName}} 即将到期"
+                  onChange={(e) => setForm((f) => ({ ...f, titleTemplate: e.target.value }))}
+                />
+                <div className="mt-1 flex flex-wrap gap-1">
+                  {NOTIFICATION_TEMPLATE_VARIABLES.map((v) => (
+                    <button
+                      key={v}
+                      type="button"
+                      className="rounded border px-1.5 py-0.5 text-[11px] text-muted-foreground hover:bg-muted"
+                      onClick={() => insertVariable(v, "titleTemplate")}
+                    >
+                      {`{{${v}}}`}
+                    </button>
+                  ))}
+                </div>
+              </div>
+              <div>
+                <label className="mb-1 block text-xs text-muted-foreground">正文模板</label>
+                <Textarea
+                  value={form.contentTemplate}
+                  rows={7}
+                  maxLength={5000}
+                  placeholder="支持 {{userName}} / {{taskName}} / {{taskId}} / {{dueDate}}"
+                  onChange={(e) => setForm((f) => ({ ...f, contentTemplate: e.target.value }))}
+                />
+                <div className="mt-1 flex flex-wrap gap-1">
+                  {NOTIFICATION_TEMPLATE_VARIABLES.map((v) => (
+                    <button
+                      key={v}
+                      type="button"
+                      className="rounded border px-1.5 py-0.5 text-[11px] text-muted-foreground hover:bg-muted"
+                      onClick={() => insertVariable(v, "contentTemplate")}
+                    >
+                      {`{{${v}}}`}
+                    </button>
+                  ))}
+                </div>
+              </div>
+              <div>
+                <label className="mb-1 block text-xs text-muted-foreground">
+                  标签（逗号分隔，最多 5 个）
+                </label>
+                <Input
+                  value={form.tagsText}
+                  placeholder="提醒, 任务"
+                  onChange={(e) => setForm((f) => ({ ...f, tagsText: e.target.value }))}
+                />
+              </div>
+              <div className="flex items-center gap-2">
+                <Switch
+                  checked={form.enabled}
+                  onCheckedChange={(v) => setForm((f) => ({ ...f, enabled: v }))}
+                />
+                <span className="text-sm">启用</span>
+                {editing && (
+                  <span className="ml-auto text-xs text-muted-foreground">
+                    当前编辑版本 v{editing.version}
+                  </span>
+                )}
+              </div>
+            </div>
+
+            <div className="space-y-3 rounded-lg border bg-muted/20 p-3">
+              <div className="text-sm font-medium">实时预览</div>
+              <div className="grid grid-cols-2 gap-2">
+                {NOTIFICATION_TEMPLATE_VARIABLES.map((v) => (
+                  <div key={v}>
+                    <label className="mb-0.5 block text-[11px] text-muted-foreground">{v}</label>
+                    <Input
+                      value={previewVars[v] ?? ""}
+                      onChange={(e) =>
+                        setPreviewVars((prev) => ({ ...prev, [v]: e.target.value }))
+                      }
+                    />
+                  </div>
+                ))}
+              </div>
+              <div className="rounded border bg-background p-3 text-sm">
+                {previewLoading && !preview ? (
+                  <div className="flex items-center gap-2 text-muted-foreground">
+                    <Loader2 className="size-3.5 animate-spin" />
+                    预览中…
+                  </div>
+                ) : (
+                  <>
+                    <div className="mb-2 font-medium">{preview?.title || "（标题预览）"}</div>
+                    <div className="whitespace-pre-wrap text-muted-foreground">
+                      {preview?.content || "（正文预览）"}
+                    </div>
+                    {preview && preview.missingVariables.length > 0 && (
+                      <p className="mt-2 text-xs text-amber-600">
+                        缺少变量：{preview.missingVariables.join(", ")}（保留原占位符）
+                      </p>
+                    )}
+                  </>
+                )}
+              </div>
+            </div>
+          </div>
+
+          {saveError && (
+            <div className="rounded-md border border-destructive/40 bg-destructive/5 px-3 py-2 text-sm text-destructive">
+              {saveError}
+            </div>
+          )}
+
+          {conflict && (
+            <div className="space-y-3 rounded-md border border-amber-500/40 bg-amber-500/5 p-3">
+              <div className="flex items-center gap-2 text-sm font-medium text-amber-700 dark:text-amber-400">
+                <AlertTriangle className="size-4" />
+                版本冲突 — 请选择如何处理
+              </div>
+              <div className="grid gap-3 md:grid-cols-2">
+                <div className="rounded border bg-background p-2 text-xs">
+                  <div className="mb-1 font-medium">服务器最新版本 (v{conflict.server.version})</div>
+                  <div className="text-muted-foreground">名称：{conflict.server.name}</div>
+                  <div className="text-muted-foreground">标题：{conflict.server.titleTemplate}</div>
+                  <div className="mt-1 max-h-28 overflow-auto whitespace-pre-wrap text-muted-foreground">
+                    {conflict.server.contentTemplate}
+                  </div>
+                </div>
+                <div className="rounded border bg-background p-2 text-xs">
+                  <div className="mb-1 font-medium">我的编辑内容</div>
+                  <div className="text-muted-foreground">名称：{conflict.mine.name}</div>
+                  <div className="text-muted-foreground">标题：{conflict.mine.titleTemplate}</div>
+                  <div className="mt-1 max-h-28 overflow-auto whitespace-pre-wrap text-muted-foreground">
+                    {conflict.mine.contentTemplate}
+                  </div>
+                </div>
+              </div>
+              <div className="flex flex-wrap gap-2">
+                <Button variant="outline" onClick={handleReloadFromServer}>
+                  重新加载
+                </Button>
+                <Button variant="destructive" disabled={saving} onClick={() => void handleForceOverwrite()}>
+                  覆盖保存
+                </Button>
+              </div>
+            </div>
+          )}
+
+          <DialogFooter>
+            <Button variant="outline" onClick={() => setDialogOpen(false)}>
+              取消
+            </Button>
+            <Button disabled={saving || !!conflict} onClick={() => void handleSave()}>
+              {saving && <Loader2 className="size-4 animate-spin" />}
+              保存
+            </Button>
+          </DialogFooter>
+        </DialogContent>
+      </Dialog>
+
+      {/* 删除确认 */}
+      <Dialog open={!!deleteTarget} onOpenChange={(o) => !o && setDeleteTarget(null)}>
+        <DialogContent className="max-w-md">
+          <DialogHeader>
+            <DialogTitle>确认删除</DialogTitle>
+          </DialogHeader>
+          <p className="text-sm text-muted-foreground">
+            确定删除模板「{deleteTarget?.name}」？此操作不可恢复。
+          </p>
+          <DialogFooter>
+            <Button variant="outline" onClick={() => setDeleteTarget(null)}>
+              取消
+            </Button>
+            <Button
+              variant="destructive"
+              disabled={actions.remove.isPending}
+              onClick={() => void handleDelete()}
+            >
+              {actions.remove.isPending && <Loader2 className="size-4 animate-spin" />}
+              确认删除
+            </Button>
+          </DialogFooter>
+        </DialogContent>
+      </Dialog>
+    </div>
+  );
+}

frontend-web/src/pages/StrategyRoutes.tsx

@@ -45,6 +45,7 @@ import LoginWhitelistPage from "./LoginWhitelistPage";
 import SensitiveWordsPage from "./SensitiveWordsPage";
 import SkillAddressesPage from "./SkillAddressesPage";
 import TaskButtonsPage from "./TaskButtonsPage";
+import NotificationTemplatesPage from "./NotificationTemplatesPage";
 import PositionRolesPage from "./PositionRolesPage";
 import RoundtableDiagnosticsPage from "./RoundtableDiagnosticsPage";
 import LightAppNewNotePage from "./LightAppNewNotePage";
@@ -438,6 +439,16 @@ export default function StrategyRoutes() {
                 )
               }
             />
+            <Route
+              path="admin/notification-templates"
+              element={
+                getStoredAuth()?.system_role === "admin" ? (
+                  <NotificationTemplatesPage />
+                ) : (
+                  <Navigate to="/page/workspace/chats/new" replace />
+                )
+              }
+            />
             <Route
               path="admin/position-roles"
               element={

frontend-web/src/strategy-components/api/notification-templates.ts

@@ -0,0 +1,338 @@
+/**
+ * 通知模板管理 API 客户端 + React Query hooks。
+ *
+ * 后端：`/api/notification-templates`（见 app/gateway/routers/notification_templates.py）。
+ * 全局共享；读/写均仅 admin。snake_case ⇄ camelCase 在此边界收敛。
+ */
+
+import {
+  keepPreviousData,
+  useMutation,
+  useQuery,
+  useQueryClient,
+} from "@tanstack/react-query";
+
+import { apiFetch } from "@/core/api/fetch-client";
+import { getBackendBaseURL } from "@/core/config";
+import { OptType, writeYLog } from "@/core/log/y-log";
+
+export const NOTIFICATION_TEMPLATE_VARIABLES = [
+  "userName",
+  "taskName",
+  "taskId",
+  "dueDate",
+] as const;
+
+export type NotificationTemplateVariable =
+  (typeof NOTIFICATION_TEMPLATE_VARIABLES)[number];
+
+export interface NotificationTemplate {
+  id: string;
+  name: string;
+  titleTemplate: string;
+  contentTemplate: string;
+  tags: string[];
+  enabled: boolean;
+  version: number;
+  createdBy: string | null;
+  createdAt: string | null;
+  updatedAt: string | null;
+}
+
+export interface NotificationTemplateInput {
+  name: string;
+  titleTemplate: string;
+  contentTemplate: string;
+  tags: string[];
+  enabled: boolean;
+}
+
+export interface NotificationTemplateUpdateInput extends NotificationTemplateInput {
+  expectedVersion: number;
+}
+
+export interface ListNotificationTemplatesParams {
+  keyword?: string;
+  enabled?: boolean | null;
+  tag?: string;
+  page?: number;
+  pageSize?: number;
+}
+
+export interface NotificationTemplateListResult {
+  items: NotificationTemplate[];
+  total: number;
+  page: number;
+  pageSize: number;
+}
+
+export interface PreviewResult {
+  title: string;
+  content: string;
+  missingVariables: string[];
+}
+
+/** 409 乐观锁冲突：携带服务端最新完整记录。 */
+export class NotificationTemplateConflictError extends Error {
+  readonly server: NotificationTemplate;
+
+  constructor(server: NotificationTemplate, message = "版本冲突") {
+    super(message);
+    this.name = "NotificationTemplateConflictError";
+    this.server = server;
+  }
+}
+
+const BASE = () => `${getBackendBaseURL()}/api/notification-templates`;
+
+interface ServerTemplate {
+  id: string;
+  name: string;
+  title_template: string;
+  content_template: string;
+  tags: string[];
+  enabled: boolean;
+  version: number;
+  created_by?: string | null;
+  created_at?: string | null;
+  updated_at?: string | null;
+}
+
+function toTemplate(s: ServerTemplate): NotificationTemplate {
+  return {
+    id: s.id,
+    name: s.name,
+    titleTemplate: s.title_template,
+    contentTemplate: s.content_template,
+    tags: s.tags ?? [],
+    enabled: s.enabled ?? true,
+    version: s.version ?? 1,
+    createdBy: s.created_by ?? null,
+    createdAt: s.created_at ?? null,
+    updatedAt: s.updated_at ?? null,
+  };
+}
+
+function toBody(input: NotificationTemplateInput & { expectedVersion?: number }) {
+  const body: Record<string, unknown> = {
+    name: input.name,
+    title_template: input.titleTemplate,
+    content_template: input.contentTemplate,
+    tags: input.tags,
+    enabled: input.enabled,
+  };
+  if (input.expectedVersion !== undefined) {
+    body.expected_version = input.expectedVersion;
+  }
+  return body;
+}
+
+function detailMessage(data: unknown, fallback: string): string {
+  if (!data || typeof data !== "object" || !("detail" in data)) return fallback;
+  const detail = (data as { detail: unknown }).detail;
+  if (typeof detail === "string") return detail;
+  if (detail && typeof detail === "object" && "message" in detail) {
+    const msg = (detail as { message: unknown }).message;
+    if (typeof msg === "string") return msg;
+  }
+  return fallback;
+}
+
+async function readJson<T>(res: Response, ctx: string): Promise<T> {
+  if (res.status === 204) return undefined as T;
+  const data = await res.json().catch(() => null as unknown);
+  if (!res.ok) {
+    if (res.status === 409 && data && typeof data === "object" && "detail" in data) {
+      const detail = (data as { detail: unknown }).detail;
+      if (detail && typeof detail === "object" && "server" in detail) {
+        const server = (detail as { server: ServerTemplate }).server;
+        if (server && typeof server === "object" && "id" in server) {
+          throw new NotificationTemplateConflictError(
+            toTemplate(server),
+            detailMessage(data, "版本冲突"),
+          );
+        }
+      }
+    }
+    throw new Error(detailMessage(data, `${ctx} failed (${res.status})`));
+  }
+  return data as T;
+}
+
+export async function listNotificationTemplates(
+  params: ListNotificationTemplatesParams = {},
+): Promise<NotificationTemplateListResult> {
+  const qs = new URLSearchParams();
+  if (params.keyword) qs.set("keyword", params.keyword);
+  if (params.enabled === true || params.enabled === false) {
+    qs.set("enabled", String(params.enabled));
+  }
+  if (params.tag) qs.set("tag", params.tag);
+  if (params.page) qs.set("page", String(params.page));
+  if (params.pageSize) qs.set("page_size", String(params.pageSize));
+  const query = qs.toString();
+  const res = await apiFetch(`${BASE()}${query ? `?${query}` : ""}`, { method: "GET" });
+  const data = await readJson<{
+    items: ServerTemplate[];
+    total: number;
+    page: number;
+    page_size: number;
+  }>(res, "list notification templates");
+  const result: NotificationTemplateListResult = {
+    items: (data.items ?? []).map(toTemplate),
+    total: data.total ?? 0,
+    page: data.page ?? 1,
+    pageSize: data.page_size ?? params.pageSize ?? 20,
+  };
+  writeYLog({
+    optType: OptType.search,
+    optDetail: "CM助手-全量-通知模板-列表",
+    url: `${BASE()}${query ? `?${query}` : ""}`,
+    reqParam: params,
+    returnParam: { total: result.total, page: result.page },
+  });
+  return result;
+}
+
+export async function getNotificationTemplate(id: string): Promise<NotificationTemplate> {
+  const res = await apiFetch(`${BASE()}/${encodeURIComponent(id)}`, { method: "GET" });
+  const tpl = toTemplate(await readJson<ServerTemplate>(res, "get notification template"));
+  writeYLog({
+    optType: OptType.view,
+    optDetail: "CM助手-全量-通知模板-查看",
+    url: `${BASE()}/${encodeURIComponent(id)}`,
+    reqParam: { id },
+    returnParam: tpl,
+  });
+  return tpl;
+}
+
+export async function createNotificationTemplate(
+  input: NotificationTemplateInput,
+): Promise<NotificationTemplate> {
+  const res = await apiFetch(BASE(), {
+    method: "POST",
+    headers: { "Content-Type": "application/json" },
+    body: JSON.stringify(toBody(input)),
+  });
+  const tpl = toTemplate(await readJson<ServerTemplate>(res, "create notification template"));
+  writeYLog({
+    optType: OptType.create,
+    optDetail: "CM助手-全量-通知模板-创建",
+    url: BASE(),
+    reqParam: input,
+    returnParam: tpl,
+  });
+  return tpl;
+}
+
+export async function updateNotificationTemplate(
+  id: string,
+  input: NotificationTemplateUpdateInput,
+): Promise<NotificationTemplate> {
+  const res = await apiFetch(`${BASE()}/${encodeURIComponent(id)}`, {
+    method: "PUT",
+    headers: { "Content-Type": "application/json" },
+    body: JSON.stringify(toBody(input)),
+  });
+  const tpl = toTemplate(await readJson<ServerTemplate>(res, "update notification template"));
+  writeYLog({
+    optType: OptType.edit,
+    optDetail: "CM助手-全量-通知模板-修改",
+    url: `${BASE()}/${encodeURIComponent(id)}`,
+    reqParam: { id, input },
+    returnParam: tpl,
+  });
+  return tpl;
+}
+
+export async function deleteNotificationTemplate(id: string): Promise<void> {
+  const res = await apiFetch(`${BASE()}/${encodeURIComponent(id)}`, { method: "DELETE" });
+  await readJson<void>(res, "delete notification template");
+  writeYLog({
+    optType: OptType.delete,
+    optDetail: "CM助手-全量-通知模板-删除",
+    url: `${BASE()}/${encodeURIComponent(id)}`,
+    reqParam: { id },
+  });
+}
+
+export async function duplicateNotificationTemplate(
+  id: string,
+): Promise<NotificationTemplate> {
+  const res = await apiFetch(`${BASE()}/${encodeURIComponent(id)}/duplicate`, {
+    method: "POST",
+  });
+  const tpl = toTemplate(await readJson<ServerTemplate>(res, "duplicate notification template"));
+  writeYLog({
+    optType: OptType.create,
+    optDetail: "CM助手-全量-通知模板-复制",
+    url: `${BASE()}/${encodeURIComponent(id)}/duplicate`,
+    reqParam: { id },
+    returnParam: tpl,
+  });
+  return tpl;
+}
+
+export async function previewNotificationTemplate(input: {
+  titleTemplate: string;
+  contentTemplate: string;
+  variables: Record<string, string>;
+}): Promise<PreviewResult> {
+  const res = await apiFetch(`${BASE()}/preview`, {
+    method: "POST",
+    headers: { "Content-Type": "application/json" },
+    body: JSON.stringify({
+      title_template: input.titleTemplate,
+      content_template: input.contentTemplate,
+      variables: input.variables,
+    }),
+  });
+  const data = await readJson<{
+    title: string;
+    content: string;
+    missing_variables: string[];
+  }>(res, "preview notification template");
+  return {
+    title: data.title,
+    content: data.content,
+    missingVariables: data.missing_variables ?? [],
+  };
+}
+
+const KEY = "notification-templates";
+
+export function useNotificationTemplates(params: ListNotificationTemplatesParams) {
+  return useQuery({
+    queryKey: [
+      KEY,
+      "list",
+      params.keyword ?? "",
+      params.enabled === true ? "1" : params.enabled === false ? "0" : "",
+      params.tag ?? "",
+      params.page ?? 1,
+      params.pageSize ?? 20,
+    ],
+    queryFn: () => listNotificationTemplates(params),
+    placeholderData: keepPreviousData,
+    refetchOnWindowFocus: false,
+  });
+}
+
+export function useNotificationTemplateActions() {
+  const queryClient = useQueryClient();
+  const invalidate = () => queryClient.invalidateQueries({ queryKey: [KEY] });
+  return {
+    create: useMutation({ mutationFn: createNotificationTemplate, onSuccess: invalidate }),
+    update: useMutation({
+      mutationFn: ({ id, input }: { id: string; input: NotificationTemplateUpdateInput }) =>
+        updateNotificationTemplate(id, input),
+      onSuccess: invalidate,
+    }),
+    remove: useMutation({ mutationFn: deleteNotificationTemplate, onSuccess: invalidate }),
+    duplicate: useMutation({
+      mutationFn: duplicateNotificationTemplate,
+      onSuccess: invalidate,
+    }),
+  };
+}

offline-backend-20260512/backend/app/gateway/app.py

@@ -51,13 +51,14 @@ from app.gateway.routers import (
     models,
     multi_agent,
     notifications,
+    notification_templates,
     open_3qfx,
     open_chat,
-    parallel_agent_tasks,
-    parallel_agents,
-    position_roundtable,
-    positions,
-    position_roles,
+    parallel_agent_tasks,
+    parallel_agents,
+    position_roundtable,
+    positions,
+    position_roles,
     public_config,
     public_embed,
     public_leaderboard,
@@ -858,9 +859,9 @@ async def _concurrency_sampler_loop(app: FastAPI) -> None:
         logger.info("Concurrency sampler disabled by CONCURRENCY_SAMPLE_ENABLED")
         return
 
-    store = getattr(app.state, "concurrency_sample_store", None)
-    run_mgr = getattr(app.state, "run_manager", None)
-    concurrency_gate = getattr(app.state, "concurrency_gate", None)
+    store = getattr(app.state, "concurrency_sample_store", None)
+    run_mgr = getattr(app.state, "run_manager", None)
+    concurrency_gate = getattr(app.state, "concurrency_gate", None)
     if store is None or run_mgr is None:
         logger.info("Concurrency sampler not started (no store / run manager — memory backend?)")
         return
@@ -881,16 +882,16 @@ async def _concurrency_sampler_loop(app: FastAPI) -> None:
             try:
                 # Runtime toggle (admin can turn sampling off without a restart).
                 # mtime-cached read, so this is cheap every tick.
-                from deerflow.config.system_settings import get_concurrency_monitor_settings
-
-                if get_concurrency_monitor_settings().enabled:
-                    active_count = None
-                    if concurrency_gate is not None:
-                        active_count = await concurrency_gate.count_active()
-                    if active_count is None:
-                        active = await run_mgr.list_active()
-                        active_count = len(active)
-                    await store.record(active_count)
+                from deerflow.config.system_settings import get_concurrency_monitor_settings
+
+                if get_concurrency_monitor_settings().enabled:
+                    active_count = None
+                    if concurrency_gate is not None:
+                        active_count = await concurrency_gate.count_active()
+                    if active_count is None:
+                        active = await run_mgr.list_active()
+                        active_count = len(active)
+                    await store.record(active_count)
                     ticks += 1
                     if ticks % purge_every_ticks == 0:
                         from datetime import UTC, datetime, timedelta
@@ -1338,18 +1339,18 @@ This gateway provides custom endpoints for models, MCP configuration, skills, an
         v = os.environ.get("GATEWAY_CORS_ALLOW_ALL", "").strip().lower()
         return v in ("1", "true", "yes", "on") or is_auth_disabled()
 
-    # The legacy TaskCOP Vue application uses Vite's default development port.
-    # Keep these origins available even when deployments configure additional
-    # origins through GATEWAY_CORS_ORIGINS.
-    taskcop_vite_origins = [
-        "http://localhost:8080",
-        "http://127.0.0.1:8080",
-    ]
-
-    cors_origins_env = os.environ.get("GATEWAY_CORS_ORIGINS", "").strip()
-    cors_origins: list[str] = [o.strip() for o in cors_origins_env.split(",") if o.strip()] if cors_origins_env else []
-    if cors_origins:
-        cors_origins = list(dict.fromkeys([*cors_origins, *taskcop_vite_origins]))
+    # The legacy TaskCOP Vue application uses Vite's default development port.
+    # Keep these origins available even when deployments configure additional
+    # origins through GATEWAY_CORS_ORIGINS.
+    taskcop_vite_origins = [
+        "http://localhost:8080",
+        "http://127.0.0.1:8080",
+    ]
+
+    cors_origins_env = os.environ.get("GATEWAY_CORS_ORIGINS", "").strip()
+    cors_origins: list[str] = [o.strip() for o in cors_origins_env.split(",") if o.strip()] if cors_origins_env else []
+    if cors_origins:
+        cors_origins = list(dict.fromkeys([*cors_origins, *taskcop_vite_origins]))
 
     # Headers the LangGraph SDK / browser clients need to read from cross-origin
     # responses. Without exposing them, the SDK's `response.headers.get(...)` returns
@@ -1408,10 +1409,10 @@ This gateway provides custom endpoints for models, MCP configuration, skills, an
             "http://127.0.0.1:5173",
             "http://localhost:5174",
             "http://127.0.0.1:5174",
-            "http://localhost:3000",
-            "http://127.0.0.1:3000",
-            *taskcop_vite_origins,
-        ]
+            "http://localhost:3000",
+            "http://127.0.0.1:3000",
+            *taskcop_vite_origins,
+        ]
         logger.warning(
             "No CORS configuration found; enabling local dev origins only: %s. "
             "Set GATEWAY_CORS_ORIGINS or GATEWAY_CORS_ALLOW_ALL for deployment.",
@@ -1471,25 +1472,25 @@ This gateway provides custom endpoints for models, MCP configuration, skills, an
     # Step3 流程图结构化抽取 + 校验 (SSE) at /api/flow-extract
     app.include_router(flow_extract.router)
 
-    # Roundtable-planning business chains at /api/roundtable-chains
-    app.include_router(roundtable_chains.router)
-
-    # 岗位协同独立会话 / 节点状态（不使用原圆桌总控或后台作业）
-    # Canonical position-workspace persistence API.
-    app.include_router(position_roundtable.router, prefix="/api")
-    # Compatibility route for intranet gateways whose allowlist only exposes
-    # the established `/api/multi-agent/*` namespace.
-    app.include_router(
-        position_roundtable.router,
-        prefix="/api/multi-agent",
-        include_in_schema=False,
-    )
+    # Roundtable-planning business chains at /api/roundtable-chains
+    app.include_router(roundtable_chains.router)
+
+    # 岗位协同独立会话 / 节点状态（不使用原圆桌总控或后台作业）
+    # Canonical position-workspace persistence API.
+    app.include_router(position_roundtable.router, prefix="/api")
+    # Compatibility route for intranet gateways whose allowlist only exposes
+    # the established `/api/multi-agent/*` namespace.
+    app.include_router(
+        position_roundtable.router,
+        prefix="/api/multi-agent",
+        include_in_schema=False,
+    )
 
     # Global business ? agent / chain mapping at /api/business-mapping
-    app.include_router(business_mapping.router)
-
-    # Position-roundtable work-view role configuration at /api/position-roles.
-    app.include_router(position_roles.router)
+    app.include_router(business_mapping.router)
+
+    # Position-roundtable work-view role configuration at /api/position-roles.
+    app.include_router(position_roles.router)
 
     # Light-app registry (?????) at /api/light-apps
     app.include_router(light_apps.router)
@@ -1508,6 +1509,7 @@ This gateway provides custom endpoints for models, MCP configuration, skills, an
 
     # Task-workspace configurable jump buttons (按钮管理) at /api/task-buttons
     app.include_router(task_buttons.router)
+    app.include_router(notification_templates.router)
 
     # Temporary compatibility bridge for the TaskCOP situation-overview frontend.
     app.include_router(taskcop_tasks.router)

offline-backend-20260512/backend/app/gateway/deps.py

@@ -255,23 +255,23 @@ async def langgraph_runtime(app: FastAPI) -> AsyncGenerator[None, None]:
 
         app.state.roundtable_draft_share_store = make_roundtable_draft_share_store(sf)
 
-        from deerflow.persistence.roundtable_chains import make_roundtable_chain_store
-
-        app.state.roundtable_chain_store = make_roundtable_chain_store(sf)
-
-        # 独立的岗位协同 Session / Node 存储。它只索引业务流程状态，真实消息和
-        # 文件仍复用 LangGraph thread/checkpoint 与现有 artifact API。
-        from deerflow.persistence.position_roundtable import make_position_roundtable_store
-
-        app.state.position_roundtable_store = make_position_roundtable_store(sf)
-
-        # 岗位会商工作视角（名称 / 顺序 / 特殊意图岗）是全局配置，和组织/RBAC
-        # 岗位分开保存。启动只补齐缺失内置项，不覆盖管理员的既有修改。
-        from app.gateway.position_role_defaults import POSITION_ROLE_SEED
-        from deerflow.persistence.position_roles import make_position_role_store
-
-        app.state.position_role_store = make_position_role_store(sf)
-        await app.state.position_role_store.ensure_seed(POSITION_ROLE_SEED)
+        from deerflow.persistence.roundtable_chains import make_roundtable_chain_store
+
+        app.state.roundtable_chain_store = make_roundtable_chain_store(sf)
+
+        # 独立的岗位协同 Session / Node 存储。它只索引业务流程状态，真实消息和
+        # 文件仍复用 LangGraph thread/checkpoint 与现有 artifact API。
+        from deerflow.persistence.position_roundtable import make_position_roundtable_store
+
+        app.state.position_roundtable_store = make_position_roundtable_store(sf)
+
+        # 岗位会商工作视角（名称 / 顺序 / 特殊意图岗）是全局配置，和组织/RBAC
+        # 岗位分开保存。启动只补齐缺失内置项，不覆盖管理员的既有修改。
+        from app.gateway.position_role_defaults import POSITION_ROLE_SEED
+        from deerflow.persistence.position_roles import make_position_role_store
+
+        app.state.position_role_store = make_position_role_store(sf)
+        await app.state.position_role_store.ensure_seed(POSITION_ROLE_SEED)
 
         from deerflow.persistence.business_mapping import make_business_mapping_store
 
@@ -295,17 +295,21 @@ async def langgraph_runtime(app: FastAPI) -> AsyncGenerator[None, None]:
 
         from deerflow.persistence.task_buttons import make_task_button_store
 
-        app.state.task_button_store = make_task_button_store(sf)
-
-        from deerflow.persistence.taskcop_tasks import make_taskcop_task_store
-
-        app.state.taskcop_task_store = make_taskcop_task_store(sf)
-
-        from deerflow.persistence.task_reports import make_task_report_store
-
-        app.state.task_report_store = make_task_report_store(sf)
-
-        from deerflow.persistence.parallel_agent_tasks import make_parallel_agent_task_store
+        app.state.task_button_store = make_task_button_store(sf)
+
+        from deerflow.persistence.notification_templates import make_notification_template_store
+
+        app.state.notification_template_store = make_notification_template_store(sf)
+
+        from deerflow.persistence.taskcop_tasks import make_taskcop_task_store
+
+        app.state.taskcop_task_store = make_taskcop_task_store(sf)
+
+        from deerflow.persistence.task_reports import make_task_report_store
+
+        app.state.task_report_store = make_task_report_store(sf)
+
+        from deerflow.persistence.parallel_agent_tasks import make_parallel_agent_task_store
 
         app.state.parallel_agent_task_store = make_parallel_agent_task_store(sf)
 
@@ -389,11 +393,11 @@ async def langgraph_runtime(app: FastAPI) -> AsyncGenerator[None, None]:
         run_events_config = getattr(config, "run_events", None)
         app.state.run_event_store = make_run_event_store(run_events_config)
 
-        # RunManager with store backing for persistence
-        app.state.run_manager = RunManager(store=app.state.run_store)
-        from deerflow.runtime import make_redis_concurrency_gate
-
-        app.state.concurrency_gate = make_redis_concurrency_gate(config)
+        # RunManager with store backing for persistence
+        app.state.run_manager = RunManager(store=app.state.run_store)
+        from deerflow.runtime import make_redis_concurrency_gate
+
+        app.state.concurrency_gate = make_redis_concurrency_gate(config)
 
         try:
             yield
@@ -407,10 +411,10 @@ async def langgraph_runtime(app: FastAPI) -> AsyncGenerator[None, None]:
 
                 await queue.stop()
                 set_auto_ingest_queue(None)
-            await close_engine()
-            gate = getattr(app.state, "concurrency_gate", None)
-            if gate is not None:
-                await gate.aclose()
+            await close_engine()
+            gate = getattr(app.state, "concurrency_gate", None)
+            if gate is not None:
+                await gate.aclose()
 
 
 # ---------------------------------------------------------------------------
@@ -436,12 +440,12 @@ get_run_manager: Callable[[Request], RunManager] = _require("run_manager", "Run
 get_checkpointer: Callable[[Request], Checkpointer] = _require("checkpointer", "Checkpointer")
 get_run_event_store: Callable[[Request], RunEventStore] = _require("run_event_store", "Run event store")
 get_feedback_repo: Callable[[Request], FeedbackRepository] = _require("feedback_repo", "Feedback")
-get_run_store: Callable[[Request], RunStore] = _require("run_store", "Run store")
-
-
-def get_concurrency_gate(request: Request):
-    """Return the optional cross-worker concurrency gate."""
-    return getattr(request.app.state, "concurrency_gate", None)
+get_run_store: Callable[[Request], RunStore] = _require("run_store", "Run store")
+
+
+def get_concurrency_gate(request: Request):
+    """Return the optional cross-worker concurrency gate."""
+    return getattr(request.app.state, "concurrency_gate", None)
 
 
 def get_store(request: Request):

offline-backend-20260512/backend/app/gateway/routers/notification_templates.py

@@ -0,0 +1,307 @@
+"""Notification template management API (通知模板管理).
+
+Global / shared templates for admin-authored notification messages. Every
+endpoint (including reads) requires ``system_role == "admin"``.
+
+Routes (prefix ``/api/notification-templates``):
+    GET    ""                 list (keyword / enabled / tag / page / page_size)
+    POST   ""                 create
+    GET    "/{id}"            read one
+    PUT    "/{id}"            update (optimistic lock via expected_version)
+    DELETE "/{id}"            delete
+    POST   "/{id}/duplicate"  duplicate
+    POST   "/preview"         render title/content with variables
+"""
+
+from __future__ import annotations
+
+from datetime import datetime
+
+from fastapi import APIRouter, HTTPException, Query, Request, Response
+from pydantic import BaseModel, Field
+
+from app.gateway.deps import get_current_user, get_optional_user_from_request
+from deerflow.persistence.notification_templates import (
+    DuplicateNotificationTemplateNameError,
+    NotificationTemplateStore,
+    TemplateVariableError,
+    VersionConflictError,
+    preview_templates,
+    validate_templates,
+)
+
+router = APIRouter(prefix="/api/notification-templates", tags=["notification-templates"])
+
+
+# ── schemas ──────────────────────────────────────────────────────────────
+
+
+class NotificationTemplateResponse(BaseModel):
+    id: str
+    name: str
+    title_template: str
+    content_template: str
+    tags: list[str] = Field(default_factory=list)
+    enabled: bool = True
+    version: int = 1
+    created_by: str | None = None
+    created_at: datetime | str | None = None
+    updated_at: datetime | str | None = None
+
+
+class NotificationTemplateListResponse(BaseModel):
+    items: list[NotificationTemplateResponse]
+    total: int
+    page: int
+    page_size: int
+
+
+class NotificationTemplateCreateRequest(BaseModel):
+    name: str = Field(..., min_length=1, max_length=80)
+    title_template: str = Field(..., min_length=1, max_length=120)
+    content_template: str = Field(..., min_length=1, max_length=5000)
+    tags: list[str] = Field(default_factory=list)
+    enabled: bool = True
+
+
+class NotificationTemplateUpdateRequest(BaseModel):
+    name: str = Field(..., min_length=1, max_length=80)
+    title_template: str = Field(..., min_length=1, max_length=120)
+    content_template: str = Field(..., min_length=1, max_length=5000)
+    tags: list[str] = Field(default_factory=list)
+    enabled: bool = True
+    expected_version: int = Field(..., ge=1)
+
+
+class PreviewRequest(BaseModel):
+    title_template: str = Field(..., min_length=0, max_length=120)
+    content_template: str = Field(..., min_length=0, max_length=5000)
+    variables: dict[str, str] = Field(default_factory=dict)
+
+
+class PreviewResponse(BaseModel):
+    title: str
+    content: str
+    missing_variables: list[str] = Field(default_factory=list)
+
+
+# ── helpers ──────────────────────────────────────────────────────────────
+
+
+def _get_store(request: Request) -> NotificationTemplateStore:
+    store = getattr(request.app.state, "notification_template_store", None)
+    if store is None:
+        raise HTTPException(status_code=503, detail="Notification template store not available")
+    return store
+
+
+async def _require_admin(request: Request) -> None:
+    """Reject non-admins. Lets the call through when auth is disabled."""
+    user = await get_optional_user_from_request(request)
+    if user is None:
+        return
+    if getattr(user, "system_role", None) != "admin":
+        raise HTTPException(status_code=403, detail="通知模板管理仅限管理员")
+
+
+def _normalize_name(name: str) -> str:
+    cleaned = (name or "").strip()
+    if not (2 <= len(cleaned) <= 50):
+        raise HTTPException(status_code=422, detail="名称去除首尾空格后长度须为 2~50")
+    return cleaned
+
+
+def _normalize_tags(tags: list[str] | None) -> list[str]:
+    seen: set[str] = set()
+    out: list[str] = []
+    for raw in tags or []:
+        tag = (raw or "").strip()
+        if not tag:
+            continue
+        if not (1 <= len(tag) <= 20):
+            raise HTTPException(status_code=422, detail="单个标签长度须为 1~20")
+        if tag in seen:
+            continue
+        seen.add(tag)
+        out.append(tag)
+    if len(out) > 5:
+        raise HTTPException(status_code=422, detail="标签最多 5 个")
+    return out
+
+
+def _validate_lengths(title: str, content: str) -> None:
+    if not (1 <= len(title) <= 120):
+        raise HTTPException(status_code=422, detail="标题模板长度须为 1~120")
+    if not (1 <= len(content) <= 5000):
+        raise HTTPException(status_code=422, detail="正文模板长度须为 1~5000")
+
+
+def _validate_variables(title: str, content: str) -> None:
+    try:
+        validate_templates(title, content)
+    except TemplateVariableError as exc:
+        raise HTTPException(status_code=422, detail=exc.message) from exc
+
+
+def _to_response(row: dict) -> NotificationTemplateResponse:
+    return NotificationTemplateResponse(**row)
+
+
+async def _unique_duplicate_name(store: NotificationTemplateStore, original: str) -> str:
+    base = f"{original} - 副本"
+    if not await store.name_exists(base):
+        return base
+    n = 2
+    while True:
+        candidate = f"{original} - 副本 {n}"
+        if not await store.name_exists(candidate):
+            return candidate
+        n += 1
+
+
+# ── routes ───────────────────────────────────────────────────────────────
+
+
+@router.get("", response_model=NotificationTemplateListResponse)
+async def list_notification_templates(
+    request: Request,
+    keyword: str | None = Query(default=None),
+    enabled: bool | None = Query(default=None),
+    tag: str | None = Query(default=None),
+    page: int = Query(default=1, ge=1),
+    page_size: int = Query(default=20, ge=1, le=100),
+) -> NotificationTemplateListResponse:
+    await _require_admin(request)
+    store = _get_store(request)
+    items, total = await store.list_templates(
+        keyword=keyword,
+        enabled=enabled,
+        tag=tag,
+        page=page,
+        page_size=page_size,
+    )
+    return NotificationTemplateListResponse(
+        items=[_to_response(r) for r in items],
+        total=total,
+        page=page,
+        page_size=page_size,
+    )
+
+
+@router.post("/preview", response_model=PreviewResponse)
+async def preview_notification_template(request: Request, body: PreviewRequest) -> PreviewResponse:
+    await _require_admin(request)
+    result = preview_templates(body.title_template, body.content_template, body.variables)
+    return PreviewResponse(**result)  # type: ignore[arg-type]
+
+
+@router.post("", response_model=NotificationTemplateResponse, status_code=201)
+async def create_notification_template(
+    request: Request,
+    body: NotificationTemplateCreateRequest,
+) -> NotificationTemplateResponse:
+    await _require_admin(request)
+    name = _normalize_name(body.name)
+    tags = _normalize_tags(body.tags)
+    _validate_lengths(body.title_template, body.content_template)
+    _validate_variables(body.title_template, body.content_template)
+    store = _get_store(request)
+    user_id = await get_current_user(request)
+    try:
+        row = await store.create_template(
+            {
+                "name": name,
+                "title_template": body.title_template,
+                "content_template": body.content_template,
+                "tags": tags,
+                "enabled": body.enabled,
+                "created_by": user_id,
+            }
+        )
+    except DuplicateNotificationTemplateNameError:
+        raise HTTPException(status_code=409, detail="模板名称已存在")
+    return _to_response(row)
+
+
+@router.get("/{template_id}", response_model=NotificationTemplateResponse)
+async def get_notification_template(request: Request, template_id: str) -> NotificationTemplateResponse:
+    await _require_admin(request)
+    store = _get_store(request)
+    row = await store.get_template(template_id)
+    if row is None:
+        raise HTTPException(status_code=404, detail="模板不存在")
+    return _to_response(row)
+
+
+@router.put("/{template_id}", response_model=NotificationTemplateResponse)
+async def update_notification_template(
+    request: Request,
+    template_id: str,
+    body: NotificationTemplateUpdateRequest,
+) -> NotificationTemplateResponse:
+    await _require_admin(request)
+    name = _normalize_name(body.name)
+    tags = _normalize_tags(body.tags)
+    _validate_lengths(body.title_template, body.content_template)
+    _validate_variables(body.title_template, body.content_template)
+    store = _get_store(request)
+    try:
+        row = await store.update_template(
+            template_id,
+            {
+                "name": name,
+                "title_template": body.title_template,
+                "content_template": body.content_template,
+                "tags": tags,
+                "enabled": body.enabled,
+            },
+            expected_version=body.expected_version,
+        )
+    except VersionConflictError as exc:
+        raise HTTPException(
+            status_code=409,
+            detail={"message": "版本冲突，请重新加载或覆盖保存", "server": exc.server},
+        ) from exc
+    except DuplicateNotificationTemplateNameError:
+        raise HTTPException(status_code=409, detail="模板名称已存在")
+    if row is None:
+        raise HTTPException(status_code=404, detail="模板不存在")
+    return _to_response(row)
+
+
+@router.delete("/{template_id}", status_code=204)
+async def delete_notification_template(request: Request, template_id: str) -> Response:
+    await _require_admin(request)
+    store = _get_store(request)
+    deleted = await store.delete_template(template_id)
+    if not deleted:
+        raise HTTPException(status_code=404, detail="模板不存在")
+    return Response(status_code=204)
+
+
+@router.post("/{template_id}/duplicate", response_model=NotificationTemplateResponse, status_code=201)
+async def duplicate_notification_template(
+    request: Request,
+    template_id: str,
+) -> NotificationTemplateResponse:
+    await _require_admin(request)
+    store = _get_store(request)
+    source = await store.get_template(template_id)
+    if source is None:
+        raise HTTPException(status_code=404, detail="模板不存在")
+    new_name = await _unique_duplicate_name(store, source["name"])
+    user_id = await get_current_user(request)
+    try:
+        row = await store.create_template(
+            {
+                "name": new_name,
+                "title_template": source["title_template"],
+                "content_template": source["content_template"],
+                "tags": list(source.get("tags") or []),
+                "enabled": source.get("enabled", True),
+                "created_by": user_id,
+            }
+        )
+    except DuplicateNotificationTemplateNameError:
+        raise HTTPException(status_code=409, detail="模板名称已存在")
+    return _to_response(row)

offline-backend-20260512/backend/packages/harness/deerflow/persistence/models/__init__.py

@@ -45,6 +45,7 @@ from deerflow.persistence.llm_metrics.model import LlmCallMetricRow
 from deerflow.persistence.memory_config.model import UserMemoryConfigRow
 from deerflow.persistence.menu_overrides.model import MenuOverrideRow
 from deerflow.persistence.models.run_event import RunEventRow
+from deerflow.persistence.notification_templates.model import NotificationTemplateRow
 from deerflow.persistence.notifications.model import NotificationRow
 from deerflow.persistence.parallel_agent_tasks.model import ParallelAgentTaskRow
 from deerflow.persistence.position_roles.model import PositionRoleRow
@@ -110,6 +111,7 @@ __all__ = [
     "LlmCallMetricRow",
     "MenuOverrideRow",
     "NotificationRow",
+    "NotificationTemplateRow",
     "ParallelAgentTaskRow",
     "PositionRoundtableNodeRow",
     "PositionRoundtableSessionRow",

offline-backend-20260512/backend/packages/harness/deerflow/persistence/notification_templates/__init__.py

@@ -0,0 +1,38 @@
+"""Notification template persistence (通知模板管理)."""
+
+from __future__ import annotations
+
+from deerflow.persistence.notification_templates.base import (
+    DuplicateNotificationTemplateNameError,
+    NotificationTemplateStore,
+    VersionConflictError,
+)
+from deerflow.persistence.notification_templates.memory import MemoryNotificationTemplateStore
+from deerflow.persistence.notification_templates.model import NotificationTemplateRow
+from deerflow.persistence.notification_templates.sql import NotificationTemplateRepository
+from deerflow.persistence.notification_templates.variables import (
+    ALLOWED_VARIABLES,
+    TemplateVariableError,
+    preview_templates,
+    validate_templates,
+)
+
+__all__ = [
+    "ALLOWED_VARIABLES",
+    "DuplicateNotificationTemplateNameError",
+    "MemoryNotificationTemplateStore",
+    "NotificationTemplateRepository",
+    "NotificationTemplateRow",
+    "NotificationTemplateStore",
+    "TemplateVariableError",
+    "VersionConflictError",
+    "make_notification_template_store",
+    "preview_templates",
+    "validate_templates",
+]
+
+
+def make_notification_template_store(session_factory):
+    if session_factory is None:
+        return MemoryNotificationTemplateStore()
+    return NotificationTemplateRepository(session_factory)

offline-backend-20260512/backend/packages/harness/deerflow/persistence/notification_templates/base.py

@@ -0,0 +1,69 @@
+"""Abstract notification-template persistence API.
+
+Global / shared store: no ``user_id`` scoping. The router gates every endpoint
+behind admin. ``created_by`` is audit-only.
+"""
+
+from __future__ import annotations
+
+from abc import ABC, abstractmethod
+from typing import Any
+
+
+class DuplicateNotificationTemplateNameError(ValueError):
+    """Raised when creating/updating would collide on the unique name."""
+
+
+class VersionConflictError(Exception):
+    """Raised when ``expected_version`` does not match the stored version."""
+
+    def __init__(self, server: dict[str, Any]) -> None:
+        super().__init__("version conflict")
+        self.server = server
+
+
+class NotificationTemplateStore(ABC):
+    @abstractmethod
+    async def list_templates(
+        self,
+        *,
+        keyword: str | None = None,
+        enabled: bool | None = None,
+        tag: str | None = None,
+        page: int = 1,
+        page_size: int = 20,
+    ) -> tuple[list[dict[str, Any]], int]:
+        """Return ``(items, total)`` newest-first with optional filters."""
+        raise NotImplementedError
+
+    @abstractmethod
+    async def get_template(self, template_id: str) -> dict[str, Any] | None:
+        raise NotImplementedError
+
+    @abstractmethod
+    async def create_template(self, data: dict[str, Any]) -> dict[str, Any]:
+        """Create a template. Raises ``DuplicateNotificationTemplateNameError``."""
+        raise NotImplementedError
+
+    @abstractmethod
+    async def update_template(
+        self,
+        template_id: str,
+        data: dict[str, Any],
+        *,
+        expected_version: int,
+    ) -> dict[str, Any] | None:
+        """Update with optimistic lock. Returns None if missing.
+
+        Raises ``VersionConflictError`` (with ``.server``) on mismatch, or
+        ``DuplicateNotificationTemplateNameError`` on a name clash.
+        """
+        raise NotImplementedError
+
+    @abstractmethod
+    async def delete_template(self, template_id: str) -> bool:
+        raise NotImplementedError
+
+    @abstractmethod
+    async def name_exists(self, name: str, *, exclude_id: str | None = None) -> bool:
+        raise NotImplementedError

offline-backend-20260512/backend/packages/harness/deerflow/persistence/notification_templates/memory.py

@@ -0,0 +1,135 @@
+"""In-memory notification-template store (tests / no-DB)."""
+
+from __future__ import annotations
+
+import uuid
+from datetime import UTC, datetime
+from typing import Any
+
+from deerflow.persistence.notification_templates.base import (
+    DuplicateNotificationTemplateNameError,
+    NotificationTemplateStore,
+    VersionConflictError,
+)
+
+_WRITABLE = {
+    "name",
+    "title_template",
+    "content_template",
+    "tags",
+    "enabled",
+}
+
+
+class MemoryNotificationTemplateStore(NotificationTemplateStore):
+    def __init__(self) -> None:
+        self._rows: dict[str, dict[str, Any]] = {}
+
+    @staticmethod
+    def _public(row: dict[str, Any]) -> dict[str, Any]:
+        out = dict(row)
+        out["tags"] = list(out.get("tags") or [])
+        return out
+
+    def _name_taken(self, name: str, *, exclude_id: str | None = None) -> bool:
+        return any(r["name"] == name and r["id"] != exclude_id for r in self._rows.values())
+
+    async def name_exists(self, name: str, *, exclude_id: str | None = None) -> bool:
+        return self._name_taken(name, exclude_id=exclude_id)
+
+    def _matches(
+        self,
+        row: dict[str, Any],
+        *,
+        keyword: str | None,
+        enabled: bool | None,
+        tag: str | None,
+    ) -> bool:
+        if enabled is not None and bool(row.get("enabled")) is not enabled:
+            return False
+        if tag is not None and tag not in (row.get("tags") or []):
+            return False
+        if keyword:
+            needle = keyword.strip().lower()
+            if needle:
+                hay = " ".join(
+                    [
+                        str(row.get("name") or ""),
+                        str(row.get("title_template") or ""),
+                        str(row.get("content_template") or ""),
+                    ]
+                ).lower()
+                if needle not in hay:
+                    return False
+        return True
+
+    async def list_templates(
+        self,
+        *,
+        keyword: str | None = None,
+        enabled: bool | None = None,
+        tag: str | None = None,
+        page: int = 1,
+        page_size: int = 20,
+    ) -> tuple[list[dict[str, Any]], int]:
+        rows = [
+            r
+            for r in self._rows.values()
+            if self._matches(r, keyword=keyword, enabled=enabled, tag=tag)
+        ]
+        rows.sort(key=lambda r: r.get("created_at", ""), reverse=True)
+        total = len(rows)
+        page = max(1, page)
+        page_size = max(1, page_size)
+        start = (page - 1) * page_size
+        items = [self._public(r) for r in rows[start : start + page_size]]
+        return items, total
+
+    async def get_template(self, template_id: str) -> dict[str, Any] | None:
+        row = self._rows.get(template_id)
+        return self._public(row) if row is not None else None
+
+    async def create_template(self, data: dict[str, Any]) -> dict[str, Any]:
+        if self._name_taken(data["name"]):
+            raise DuplicateNotificationTemplateNameError(data["name"])
+        now = datetime.now(UTC).isoformat()
+        template_id = data.get("id") or uuid.uuid4().hex[:12]
+        row = {
+            "id": template_id,
+            "name": data["name"],
+            "title_template": data["title_template"],
+            "content_template": data["content_template"],
+            "tags": list(data.get("tags") or []),
+            "enabled": data.get("enabled", True),
+            "version": 1,
+            "created_by": data.get("created_by"),
+            "created_at": now,
+            "updated_at": now,
+        }
+        self._rows[template_id] = row
+        return self._public(row)
+
+    async def update_template(
+        self,
+        template_id: str,
+        data: dict[str, Any],
+        *,
+        expected_version: int,
+    ) -> dict[str, Any] | None:
+        row = self._rows.get(template_id)
+        if row is None:
+            return None
+        if int(row["version"]) != int(expected_version):
+            raise VersionConflictError(self._public(row))
+        new_name = data.get("name")
+        if new_name is not None and new_name != row["name"] and self._name_taken(new_name, exclude_id=template_id):
+            raise DuplicateNotificationTemplateNameError(new_name)
+        for key, value in data.items():
+            if key in _WRITABLE:
+                row[key] = value
+        row["version"] = int(row["version"]) + 1
+        row["updated_at"] = datetime.now(UTC).isoformat()
+        return self._public(row)
+
+    async def delete_template(self, template_id: str) -> bool:
+        return self._rows.pop(template_id, None) is not None

offline-backend-20260512/backend/packages/harness/deerflow/persistence/notification_templates/model.py

@@ -0,0 +1,35 @@
+"""ORM model for notification templates (通知模板管理).
+
+Global / shared — no ``user_id`` scoping. ``created_by`` is audit-only.
+All reads/writes are admin-gated at the router layer.
+"""
+
+from __future__ import annotations
+
+from datetime import UTC, datetime
+
+from sqlalchemy import Boolean, Integer, String, Text, UniqueConstraint
+from sqlalchemy.orm import Mapped, mapped_column
+
+from deerflow.persistence.base import Base
+from deerflow.persistence.types import BeijingDateTime, PortableJSON
+
+
+class NotificationTemplateRow(Base):
+    __tablename__ = "notification_templates"
+    __table_args__ = (UniqueConstraint("name", name="uq_notification_templates_name"),)
+
+    id: Mapped[str] = mapped_column(String(64), primary_key=True)
+    name: Mapped[str] = mapped_column(String(50))
+    title_template: Mapped[str] = mapped_column(String(120))
+    content_template: Mapped[str] = mapped_column(Text)
+    tags: Mapped[list] = mapped_column(PortableJSON(), default=list)
+    enabled: Mapped[bool] = mapped_column(Boolean, default=True, index=True)
+    version: Mapped[int] = mapped_column(Integer, default=1)
+    created_by: Mapped[str | None] = mapped_column(String(64))
+    created_at: Mapped[datetime] = mapped_column(BeijingDateTime(), default=lambda: datetime.now(UTC))
+    updated_at: Mapped[datetime] = mapped_column(
+        BeijingDateTime(),
+        default=lambda: datetime.now(UTC),
+        onupdate=lambda: datetime.now(UTC),
+    )

offline-backend-20260512/backend/packages/harness/deerflow/persistence/notification_templates/sql.py

@@ -0,0 +1,163 @@
+"""SQLAlchemy-backed notification-template store (global / shared)."""
+
+from __future__ import annotations
+
+import uuid
+from datetime import UTC, datetime
+from typing import Any
+
+from sqlalchemy import or_, select
+from sqlalchemy.exc import IntegrityError
+from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker
+
+from deerflow.persistence.notification_templates.base import (
+    DuplicateNotificationTemplateNameError,
+    NotificationTemplateStore,
+    VersionConflictError,
+)
+from deerflow.persistence.notification_templates.model import NotificationTemplateRow
+
+_WRITABLE = {
+    "name",
+    "title_template",
+    "content_template",
+    "tags",
+    "enabled",
+}
+
+
+def _to_dict(row: NotificationTemplateRow) -> dict[str, Any]:
+    data = row.to_dict()
+    for key in ("created_at", "updated_at"):
+        value = data.get(key)
+        if isinstance(value, datetime):
+            data[key] = value.isoformat()
+    data["tags"] = list(data.get("tags") or [])
+    return data
+
+
+class NotificationTemplateRepository(NotificationTemplateStore):
+    def __init__(self, session_factory: async_sessionmaker[AsyncSession]) -> None:
+        self._sf = session_factory
+
+    async def name_exists(self, name: str, *, exclude_id: str | None = None) -> bool:
+        async with self._sf() as session:
+            return await self._name_taken(session, name, exclude_id=exclude_id)
+
+    async def _name_taken(self, session: AsyncSession, name: str, *, exclude_id: str | None = None) -> bool:
+        stmt = select(NotificationTemplateRow.id).where(NotificationTemplateRow.name == name)
+        if exclude_id is not None:
+            stmt = stmt.where(NotificationTemplateRow.id != exclude_id)
+        result = await session.execute(stmt.limit(1))
+        return result.first() is not None
+
+    def _filter_stmt(
+        self,
+        *,
+        keyword: str | None,
+        enabled: bool | None,
+        tag: str | None,
+    ):
+        stmt = select(NotificationTemplateRow)
+        if enabled is not None:
+            stmt = stmt.where(NotificationTemplateRow.enabled.is_(enabled))
+        if keyword:
+            needle = f"%{keyword.strip()}%"
+            if keyword.strip():
+                stmt = stmt.where(
+                    or_(
+                        NotificationTemplateRow.name.ilike(needle),
+                        NotificationTemplateRow.title_template.ilike(needle),
+                        NotificationTemplateRow.content_template.ilike(needle),
+                    )
+                )
+        # Tag filter is applied in Python (PortableJSON differs across backends).
+        return stmt
+
+    async def list_templates(
+        self,
+        *,
+        keyword: str | None = None,
+        enabled: bool | None = None,
+        tag: str | None = None,
+        page: int = 1,
+        page_size: int = 20,
+    ) -> tuple[list[dict[str, Any]], int]:
+        page = max(1, page)
+        page_size = max(1, page_size)
+        stmt = self._filter_stmt(keyword=keyword, enabled=enabled, tag=tag)
+        stmt = stmt.order_by(NotificationTemplateRow.created_at.desc())
+        async with self._sf() as session:
+            result = await session.execute(stmt)
+            rows = [_to_dict(r) for r in result.scalars()]
+        if tag is not None:
+            rows = [r for r in rows if tag in (r.get("tags") or [])]
+        total = len(rows)
+        start = (page - 1) * page_size
+        return rows[start : start + page_size], total
+
+    async def get_template(self, template_id: str) -> dict[str, Any] | None:
+        async with self._sf() as session:
+            row = await session.get(NotificationTemplateRow, template_id)
+            return _to_dict(row) if row is not None else None
+
+    async def create_template(self, data: dict[str, Any]) -> dict[str, Any]:
+        row = NotificationTemplateRow(
+            id=data.get("id") or uuid.uuid4().hex[:12],
+            name=data["name"],
+            title_template=data["title_template"],
+            content_template=data["content_template"],
+            tags=list(data.get("tags") or []),
+            enabled=data.get("enabled", True),
+            version=1,
+            created_by=data.get("created_by"),
+        )
+        async with self._sf() as session:
+            if await self._name_taken(session, row.name):
+                raise DuplicateNotificationTemplateNameError(row.name)
+            session.add(row)
+            try:
+                await session.commit()
+            except IntegrityError as exc:
+                await session.rollback()
+                raise DuplicateNotificationTemplateNameError(row.name) from exc
+            await session.refresh(row)
+            return _to_dict(row)
+
+    async def update_template(
+        self,
+        template_id: str,
+        data: dict[str, Any],
+        *,
+        expected_version: int,
+    ) -> dict[str, Any] | None:
+        async with self._sf() as session:
+            row = await session.get(NotificationTemplateRow, template_id)
+            if row is None:
+                return None
+            if int(row.version) != int(expected_version):
+                raise VersionConflictError(_to_dict(row))
+            new_name = data.get("name")
+            if new_name is not None and new_name != row.name and await self._name_taken(session, new_name, exclude_id=template_id):
+                raise DuplicateNotificationTemplateNameError(new_name)
+            for key, value in data.items():
+                if key in _WRITABLE:
+                    setattr(row, key, value)
+            row.version = int(row.version) + 1
+            row.updated_at = datetime.now(UTC)
+            try:
+                await session.commit()
+            except IntegrityError as exc:
+                await session.rollback()
+                raise DuplicateNotificationTemplateNameError(new_name or row.name) from exc
+            await session.refresh(row)
+            return _to_dict(row)
+
+    async def delete_template(self, template_id: str) -> bool:
+        async with self._sf() as session:
+            row = await session.get(NotificationTemplateRow, template_id)
+            if row is None:
+                return False
+            await session.delete(row)
+            await session.commit()
+            return True

offline-backend-20260512/backend/packages/harness/deerflow/persistence/notification_templates/variables.py

@@ -0,0 +1,110 @@
+"""Template variable validation and preview helpers for notification templates.
+
+Supported placeholders (exact names, no spaces):
+  {{userName}}  {{taskName}}  {{taskId}}  {{dueDate}}
+"""
+
+from __future__ import annotations
+
+import re
+
+ALLOWED_VARIABLES: frozenset[str] = frozenset({"userName", "taskName", "taskId", "dueDate"})
+
+# Captures the inner of a well-formed {{...}} pair (no nested braces).
+_VAR_RE = re.compile(r"\{\{([^{}]*)\}\}")
+# Valid identifier: letters then letters/digits (no spaces / punctuation).
+_IDENT_RE = re.compile(r"^[A-Za-z][A-Za-z0-9]*$")
+
+
+class TemplateVariableError(ValueError):
+    """Raised when a template contains an invalid / unsupported / unclosed variable."""
+
+    def __init__(self, message: str) -> None:
+        super().__init__(message)
+        self.message = message
+
+
+def validate_template_text(text: str) -> None:
+    """Validate all ``{{var}}`` occurrences in *text*.
+
+    Raises ``TemplateVariableError`` with a Chinese message pointing at the
+    offending variable or position.
+    """
+    if not text:
+        return
+
+    i = 0
+    while True:
+        start = text.find("{{", i)
+        if start < 0:
+            break
+        end = text.find("}}", start + 2)
+        if end < 0:
+            raise TemplateVariableError(f"未闭合的变量（位置 {start}）")
+        inner = text[start + 2 : end]
+        token = "{{" + inner + "}}"
+        if not inner or not _IDENT_RE.fullmatch(inner):
+            raise TemplateVariableError(f"变量格式错误：{token}")
+        if inner not in ALLOWED_VARIABLES:
+            raise TemplateVariableError(f"不支持的变量：{token}")
+        i = end + 2
+
+
+def validate_templates(*texts: str) -> None:
+    """Validate every template string; first error wins."""
+    for text in texts:
+        validate_template_text(text or "")
+
+
+def extract_variables(text: str) -> list[str]:
+    """Return ordered unique allowed-looking variable names found in *text*."""
+    seen: set[str] = set()
+    out: list[str] = []
+    for match in _VAR_RE.finditer(text or ""):
+        name = match.group(1)
+        if name in seen:
+            continue
+        seen.add(name)
+        out.append(name)
+    return out
+
+
+def render_template(text: str, variables: dict[str, str] | None) -> tuple[str, list[str]]:
+    """Replace known placeholders; keep missing ones and report their names.
+
+    Returns ``(rendered, missing_variables)``. Missing names are unique and
+    appear in first-seen order.
+    """
+    vars_map = variables or {}
+    missing: list[str] = []
+    seen_missing: set[str] = set()
+
+    def _repl(match: re.Match[str]) -> str:
+        name = match.group(1)
+        if name in vars_map and vars_map[name] is not None:
+            return str(vars_map[name])
+        if name not in seen_missing:
+            seen_missing.add(name)
+            missing.append(name)
+        return match.group(0)
+
+    rendered = _VAR_RE.sub(_repl, text or "")
+    return rendered, missing
+
+
+def preview_templates(
+    title_template: str,
+    content_template: str,
+    variables: dict[str, str] | None = None,
+) -> dict[str, object]:
+    """Render title + content; merge missing variable lists (order-preserving)."""
+    title, missing_title = render_template(title_template, variables)
+    content, missing_content = render_template(content_template, variables)
+    seen: set[str] = set()
+    missing: list[str] = []
+    for name in missing_title + missing_content:
+        if name in seen:
+            continue
+        seen.add(name)
+        missing.append(name)
+    return {"title": title, "content": content, "missing_variables": missing}