Add customer/manager access UI and tighten customers filters.

Business and super-admin can set Customer vs Manager roles (Admin only for super-admin), and the customers page drops clutter while filtering by all/customers/managers.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/business/src/services/teamService.ts

@@ -0,0 +1,44 @@
+import { apiRequest } from '../lib/api'
+import { getActiveBusinessId } from '../lib/businessContext'
+
+export type BusinessAccess = 'customer' | 'staff'
+
+export interface AssignBusinessAccessPayload {
+  userId: string
+  access: BusinessAccess
+  roleSlug?: string
+}
+
+export interface AssignBusinessAccessResult {
+  message: string
+  access: BusinessAccess
+  member: {
+    id: string | number
+    userId: string | number
+    isOwner: boolean
+    teamRole: string | null
+  } | null
+}
+
+function teamPath(suffix = '') {
+  const businessId = getActiveBusinessId()
+  if (!businessId) {
+    throw new Error('No active business selected. Please sign in again.')
+  }
+  return `/businesses/${businessId}/team${suffix}`
+}
+
+/** Set customer vs manager (admin/editor/viewer) for a user on this business. */
+export async function assignBusinessAccess(payload: AssignBusinessAccessPayload) {
+  return apiRequest<AssignBusinessAccessResult>(teamPath('/access'), {
+    method: 'PATCH',
+    auth: true,
+    body: {
+      userId: String(payload.userId),
+      access: payload.access,
+      ...(payload.access === 'staff' && payload.roleSlug
+        ? { roleSlug: payload.roleSlug }
+        : {}),
+    },
+  })
+}