// CRITICALimport { NextRequest, NextResponse } from "next/server";import { getApiSettings } from "@/lib/api-settings"; export async function GET(  request: NextRequest,  { params }: { params: Promise<{ path: string[] }> },) {  const { path } = await params;  return handleRequest(request, "GET", path);} export async function POST(  request: NextRequest,  { params }: { params: Promise<{ path: string[] }> },) {  const { path } = await params;  return handleRequest(request, "POST", path);} export async function PUT(  request: NextRequest,  { params }: { params: Promise<{ path: string[] }> },) {  const { path } = await params;  return handleRequest(request, "PUT", path);} export async function DELETE(  request: NextRequest,  { params }: { params: Promise<{ path: string[] }> },) {  const { path } = await params;  return handleRequest(request, "DELETE", path);} function getClientInfo(request: NextRequest) {  const ip =    request.headers.get("CF-Connecting-IP") ||    request.headers.get("X-Forwarded-For")?.split(",")[0]?.trim() ||    request.headers.get("X-Real-IP") ||    "unknown";  const country = request.headers.get("CF-IPCountry") || "-";  const ua = request.headers.get("User-Agent")?.slice(0, 80) || "unknown";  return { ip, country, ua };} async function handleRequest(request: NextRequest, method: string, path: string[]) {  const startTime = Date.now();  const client = getClientInfo(request);   try {    // Get dynamic settings    const settings = await getApiSettings();    const BACKEND_URL = settings.backendUrl;    const API_KEY = settings.apiKey;     const url = new URL(request.url);    const searchParams = url.searchParams.toString();    const targetUrl = `${BACKEND_URL}/${path.join("/")}${searchParams ? `?${searchParams}` : ""}`;    const hasAuth = Boolean(request.headers.get("authorization"));     console.log(      `[PROXY] ip=${client.ip} | country=${client.country} | method=${method} | path=/${path.join("/")} | backend=${BACKEND_URL} | auth=${hasAuth ? "present" : "none"}`,    );     const headers: HeadersInit = {      ...(request.headers.get("accept") ? { Accept: request.headers.get("accept") as string } : {}),    };     const incomingContentType = request.headers.get("content-type");    if (incomingContentType) headers["Content-Type"] = incomingContentType;     // Prefer per-user Authorization header passed from the browser; fallback to configured API key.    const incomingAuth = request.headers.get("authorization");    if (incomingAuth) {      headers["Authorization"] = incomingAuth;    } else if (API_KEY) {      headers["Authorization"] = `Bearer ${API_KEY}`;    }     const body = method !== "GET" && method !== "DELETE" ? await request.text() : undefined;     const response = await fetch(targetUrl, {      method,      headers,      body,    });     const contentType = response.headers.get("content-type") || "application/json";     if (contentType.includes("text/event-stream") && response.body) {      return new NextResponse(response.body, {        status: response.status,        headers: {          "Content-Type": contentType,          "Cache-Control": response.headers.get("cache-control") || "no-cache",        },      });    }     const data = await response.text();    return new NextResponse(data, {      status: response.status,      headers: { "Content-Type": contentType },    });  } catch (error) {    const duration = Date.now() - startTime;    console.error(      `[PROXY ERROR] ip=${client.ip} | country=${client.country} | method=${method} | path=/${path.join("/")} | duration=${duration}ms | error=${String(error)}`,    );    return NextResponse.json(      { error: "Internal server error", details: String(error) },      { status: 500 },    );  }}