Scaffold custom reports app (LXC 122 · /reports)

Framework for categorised custom reports pulling from NewBook, ResOS,
SambaPOS, and internal data. Report tree with collapsible categories
and subcategories; date-range params; run-audit log in reports_db.

Initial reports: NewBook arrivals/departures/stayovers/bookings-by-source,
ResOS covers/revenue, SambaPOS sales-summary/top-products, internal run-history.

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

frontend/src/api.ts

@@ -0,0 +1,27 @@
+import type { ReportMeta, ReportResult } from './types'
+
+const BASE = '/reports/api'
+
+async function request<T>(path: string, opts: RequestInit = {}): Promise<T> {
+  const res = await fetch(`${BASE}${path}`, {
+    credentials: 'include',
+    headers: { 'Content-Type': 'application/json', ...opts.headers },
+    ...opts,
+  })
+  if (!res.ok) {
+    const err = await res.json().catch(() => ({ error: res.statusText }))
+    throw new Error((err as { error?: string }).error || `Request failed: ${res.status}`)
+  }
+  return res.json()
+}
+
+export function fetchReports(): Promise<ReportMeta[]> {
+  return request('/reports')
+}
+
+export function runReport(id: string, dateFrom: string, dateTo: string): Promise<ReportResult> {
+  return request(`/reports/${encodeURIComponent(id)}/run`, {
+    method: 'POST',
+    body: JSON.stringify({ dateFrom, dateTo }),
+  })
+}