feat(notifications): TODO 7 — draft decision toast + email + bell badge

ordinis-admin-ui/src/api/client.ts

@@ -687,3 +687,35 @@ export type ChangelogDiff = {
   after: unknown | null
   summary: ChangelogDiffSummary
 }
+
+// === Notifications (TODO 7: draft decision toast + email) ===
+
+/**
+ * Single notification row для current user. Backend serializes
+ * {@code notification_log} entry joined с {@code notification_read_state}
+ * (per-user unread tracking).
+ *
+ * <p>{@code payload} — JSON payload эвента (e.g. RecordDraftApproved).
+ * {@code payloadPreview} — server-pre-rendered summary string чтобы UI
+ * не парсил event payload (event_type → user-facing text mapping живёт
+ * backend'е).
+ */
+export type NotificationItem = {
+  id: string
+  eventType: string
+  channel: 'EMAIL' | 'EXPRESS' | 'TELEGRAM' | 'IN_APP'
+  sentAt: string
+  read: boolean
+  payloadPreview: string
+  /** Optional deep-link (e.g. /reviews/{draftId} для draft decision). */
+  href?: string | null
+}
+
+export type NotificationsResponse = {
+  items: NotificationItem[]
+  page: number
+  size: number
+  totalElements: number
+  /** Unread count for badge — pre-filtered server-side. */
+  totalUnread: number
+}

ordinis-admin-ui/src/api/mutations.ts

@@ -664,3 +664,39 @@ export const useRetryWebhookDelivery = () => {
     },
   })
 }
+
+// === Notifications mutations (TODO 7) ===
+
+/**
+ * Mark одно notification как read. Optimistic update — UI обновляется
+ * мгновенно, query invalidates после server confirm. Если backend reject'нет,
+ * onError refetch'нет original state.
+ */
+export const useMarkNotificationRead = () => {
+  const qc = useQueryClient()
+  return useMutation({
+    mutationFn: async (notificationId: string): Promise<void> => {
+      await apiClient.post(
+        `/me/notifications/${encodeURIComponent(notificationId)}/read`,
+      )
+    },
+    onSuccess: () => {
+      qc.invalidateQueries({ queryKey: ['notifications', 'me'] })
+    },
+  })
+}
+
+/**
+ * Mark все unread notifications as read. Drawer footer button "Mark all read".
+ */
+export const useMarkAllNotificationsRead = () => {
+  const qc = useQueryClient()
+  return useMutation({
+    mutationFn: async (): Promise<void> => {
+      await apiClient.post('/me/notifications/read-all')
+    },
+    onSuccess: () => {
+      qc.invalidateQueries({ queryKey: ['notifications', 'me'] })
+    },
+  })
+}

ordinis-admin-ui/src/api/queries.ts

@@ -7,6 +7,7 @@ import {
   type CascadePlan,
   type ChangelogDiff,
   type ChangelogResponse,
+  type NotificationsResponse,
   type SchemaDraft,
   type SchemaReviewQueuePage,
   type DictionaryDefinition,
@@ -804,3 +805,36 @@ export const serverVersionQuery = queryOptions({
 })
 
 export const useServerVersion = () => useQuery(serverVersionQuery)
+
+// === Notifications (TODO 7: draft decision toast + email) ===
+
+/**
+ * Current user's notifications feed. Backend filters by recipient = sub claim;
+ * returns paginated rows + `totalUnread` для bell badge counter.
+ *
+ * <p>Poll каждые 30s — same cadence как /reviews queue. {@code staleTime} 5s
+ * чтобы query cache не моргал когда user открывает/закрывает drawer.
+ * {@code refetchIntervalInBackground} = true чтобы tab без focus всё равно
+ * decremented badge когда mark-as-read fires.
+ *
+ * <p>Caveat: `unreadOnly=true` gives a tight badge query (1 unread → badge "1"),
+ * full feed query (default) used drawer открыт. Splitting queries keeps badge
+ * fetch cheap when drawer закрыт.
+ */
+export const myNotificationsQuery = (unreadOnly = false, limit = 20) =>
+  queryOptions({
+    queryKey: ['notifications', 'me', { unreadOnly, limit }] as const,
+    queryFn: async (): Promise<NotificationsResponse> => {
+      const { data } = await apiClient.get<NotificationsResponse>(
+        '/me/notifications',
+        { params: { unreadOnly, limit } },
+      )
+      return data
+    },
+    refetchInterval: 30_000,
+    refetchIntervalInBackground: true,
+    staleTime: 5_000,
+  })
+
+export const useMyNotifications = (unreadOnly = false, limit = 20) =>
+  useQuery(myNotificationsQuery(unreadOnly, limit))