feat: F018 human review queue — 2-panel governance workspace

Replaces the old ad-hoc ReviewQueue page with a full governance-compliant
workflow: filterable task list, detail panel with confidence/risk context,
role-aware approve/reject/escalate/more-data actions, and persistent notes.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/hooks/useReviewQueue.ts

@@ -1,26 +1,77 @@
 import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query'
 import { reviewService } from '../services/reviewService'
+import { useSessionStore } from '../stores/sessionStore'
 import type { ReviewFilters } from '../provider/IReviewProvider'
+import type { ReviewTaskStatus } from '../domain/review'
 
 const STALE_REVIEW = 30_000
+const QK = 'reviewQueue'
 
 export function useReviewQueue(filters?: ReviewFilters) {
   return useQuery({
-    queryKey: ['reviewQueue', filters ?? {}],
-    queryFn: () => reviewService.getQueue(filters),
+    queryKey: [QK, filters ?? {}],
+    queryFn: () => reviewService.getTasks(filters),
     staleTime: STALE_REVIEW,
     select: (res) => res.data ?? [],
   })
 }
 
+export function useReviewTask(id: string | null) {
+  return useQuery({
+    queryKey: [QK, 'task', id],
+    queryFn: () => reviewService.getTask(id!),
+    staleTime: STALE_REVIEW,
+    enabled: !!id,
+    select: (res) => res.data ?? null,
+  })
+}
+
+export function useUpdateReviewStatus() {
+  const queryClient = useQueryClient()
+  const { currentUser } = useSessionStore.getState()
+  const userId = currentUser?.email ?? 'unknown'
+
+  return useMutation({
+    mutationFn: ({ id, status, note }: { id: string; status: ReviewTaskStatus; note?: string }) =>
+      reviewService.updateStatus(id, status, userId, note),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: [QK] })
+    },
+  })
+}
+
+export function useAssignReviewTask() {
+  const queryClient = useQueryClient()
+  return useMutation({
+    mutationFn: ({ id, assignTo }: { id: string; assignTo: string }) =>
+      reviewService.assign(id, assignTo),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: [QK] })
+    },
+  })
+}
+
+export function useAddReviewNote() {
+  const queryClient = useQueryClient()
+  const { currentUser } = useSessionStore.getState()
+  const userId = currentUser?.email ?? 'unknown'
+
+  return useMutation({
+    mutationFn: ({ id, content }: { id: string; content: string }) =>
+      reviewService.addNote(id, { content, createdBy: userId, createdAt: new Date().toISOString() }),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: [QK] })
+    },
+  })
+}
+
+// Legacy exports
 export function useApproveReviewItem() {
   const queryClient = useQueryClient()
   return useMutation({
     mutationFn: ({ id, notes }: { id: string; notes?: string }) =>
       reviewService.approve(id, 'current-user', notes),
-    onSuccess: () => {
-      queryClient.invalidateQueries({ queryKey: ['reviewQueue'] })
-    },
+    onSuccess: () => queryClient.invalidateQueries({ queryKey: [QK] }),
   })
 }
 
@@ -29,8 +80,6 @@ export function useRejectReviewItem() {
   return useMutation({
     mutationFn: ({ id, notes }: { id: string; notes?: string }) =>
       reviewService.reject(id, 'current-user', notes),
-    onSuccess: () => {
-      queryClient.invalidateQueries({ queryKey: ['reviewQueue'] })
-    },
+    onSuccess: () => queryClient.invalidateQueries({ queryKey: [QK] }),
   })
 }