feat: admin Chart of Accounts editor (L4)

client/src/App.tsx

@@ -20,6 +20,7 @@ import Reports from "@/pages/Reports";
 import Integrations from "@/pages/Integrations";
 import Allocations from "@/pages/Allocations";
 import Classification from "@/pages/Classification";
+import CoaAdmin from "@/pages/CoaAdmin";
 
 // Lazy-load the Orbital Console (57KB + physics sim + canvas rendering)
 const OrbitalConsole = lazy(() => import("@/pages/OrbitalConsole"));
@@ -61,6 +62,7 @@ function Router() {
             <Route path="/properties/:id" component={PropertyDetail} />
             <Route path="/allocations" component={Allocations} />
             <Route path="/classification" component={Classification} />
+            <Route path="/coa" component={CoaAdmin} />
             <Route path="/connections" component={Connections} />
             <Route path="/admin" component={Admin} />
             <Route path="/orbital">

client/src/components/layout/Sidebar.tsx

@@ -4,7 +4,7 @@ import {
   Settings, Plug, Building2, Shield,
   ChevronDown, ChevronRight, ChevronsUpDown,
   Menu, X, Activity, LayoutDashboard,
-  ArrowLeftRight, Wallet, BarChart3, Cable, Orbit, GitBranch, Tags
+  ArrowLeftRight, Wallet, BarChart3, Cable, Orbit, GitBranch, Tags, BookOpen
 } from "lucide-react";
 import { useState, useMemo } from "react";
 import { useRole, type UserRole } from "@/contexts/RoleContext";
@@ -27,6 +27,7 @@ const NAV_ITEMS: NavItem[] = [
   { href: "/orbital", label: "Orbital", icon: Orbit, roles: ["cfo", "accountant", "bookkeeper", "user"], badge: "NEW" },
   { href: "/allocations", label: "Allocations", icon: GitBranch, roles: ["cfo", "accountant"] },
   { href: "/classification", label: "Classification", icon: Tags, roles: ["cfo", "accountant", "bookkeeper"] },
+  { href: "/coa", label: "Chart of Accounts", icon: BookOpen, roles: ["cfo", "accountant"] },
   { href: "/reports", label: "Reports", icon: BarChart3, roles: ["cfo", "accountant"] },
   { href: "/integrations", label: "Integrations", icon: Cable, roles: ["cfo", "accountant"] },
   { href: "/connections", label: "Connections", icon: Plug, roles: ["cfo", "accountant"] },

client/src/hooks/use-classification.ts

@@ -142,6 +142,40 @@ export function useBatchSuggest() {
   });
 }
 
+/** L4 — create a tenant-specific COA account */
+export function useCreateCoaAccount() {
+  const qc = useQueryClient();
+  const tenantId = useTenantId();
+  return useMutation({
+    mutationFn: (data: {
+      code: string;
+      name: string;
+      type: 'asset' | 'liability' | 'equity' | 'income' | 'expense';
+      subtype?: string | null;
+      description?: string | null;
+      scheduleELine?: string | null;
+      taxDeductible?: boolean;
+      parentCode?: string | null;
+    }) => apiRequest('POST', '/api/coa', data).then((r) => r.json()) as Promise<ChartOfAccount>,
+    onSuccess: () => {
+      qc.invalidateQueries({ queryKey: ['/api/coa', tenantId] });
+    },
+  });
+}
+
+/** L4 — update a tenant-specific COA account */
+export function useUpdateCoaAccount() {
+  const qc = useQueryClient();
+  const tenantId = useTenantId();
+  return useMutation({
+    mutationFn: ({ id, ...data }: { id: string } & Partial<ChartOfAccount>) =>
+      apiRequest('PATCH', `/api/coa/${id}`, data).then((r) => r.json()) as Promise<ChartOfAccount>,
+    onSuccess: () => {
+      qc.invalidateQueries({ queryKey: ['/api/coa', tenantId] });
+    },
+  });
+}
+
 /** L1 — run GPT-4o-mini AI batch over unclassified queue */
 export function useAiSuggest() {
   const qc = useQueryClient();