feat: fill missing product pages and analytics proxy

platform/web/app/api/analytics/[...path]/route.ts

@@ -0,0 +1,58 @@
+import { NextResponse } from 'next/server';
+
+const ANALYTICS_BACKEND = process.env.ANALYTICS_BACKEND_URL || 'http://127.0.0.1:8000';
+
+export const dynamic = 'force-dynamic';
+
+type RouteContext = {
+  params: Promise<{ path: string[] }>;
+};
+
+function buildBackendUrl(request: Request, path: string[]): string | null {
+  if (!path.length || path.some((segment) => !segment || segment.includes('..'))) {
+    return null;
+  }
+  const source = new URL(request.url);
+  const target = new URL(`/analytics/${path.map(encodeURIComponent).join('/')}`, ANALYTICS_BACKEND);
+  target.search = source.search;
+  return target.toString();
+}
+
+async function proxyAnalytics(request: Request, context: RouteContext, method: 'GET' | 'POST') {
+  const { path } = await context.params;
+  const backendUrl = buildBackendUrl(request, path);
+  if (!backendUrl) {
+    return NextResponse.json({ message: '分析 API 路徑不合法' }, { status: 400 });
+  }
+
+  try {
+    const response = await fetch(backendUrl, {
+      method,
+      cache: 'no-store',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: method === 'POST' ? await request.text() : undefined,
+    });
+
+    const contentType = response.headers.get('content-type') || '';
+    if (contentType.includes('application/json')) {
+      const data = await response.json();
+      return NextResponse.json(data, { status: response.status });
+    }
+
+    const text = await response.text();
+    return NextResponse.json({ message: text || '分析服務暫時無法回應' }, { status: response.status });
+  } catch (error) {
+    const message = error instanceof Error ? error.message : '分析服務暫時無法連線';
+    return NextResponse.json({ message }, { status: 502 });
+  }
+}
+
+export async function GET(request: Request, context: RouteContext) {
+  return proxyAnalytics(request, context, 'GET');
+}
+
+export async function POST(request: Request, context: RouteContext) {
+  return proxyAnalytics(request, context, 'POST');
+}