feat(products): add public access to findAll and findAllTags endpoints

feat(ai): enhance AI admin client with status messages for API key configuration
refactor(api): remove authorization check from products route

frontend/app/api/products/route.ts

@@ -1,18 +1,13 @@
 import { NextRequest, NextResponse } from 'next/server';
-import { getAuthHeaders } from '../../../lib/auth-headers';
 
 const API_BASE = process.env.NEXT_PUBLIC_API_URL_INTERNAL || 'http://recipe-api:8080';
 
-export async function GET(req: NextRequest) {
-  const authHeaders = await getAuthHeaders();
-  if (!authHeaders.Authorization) {
-    return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
-  }
+export const dynamic = 'force-dynamic';
 
+export async function GET(req: NextRequest) {
   const url = new URL(req.url);
   const query = url.searchParams.toString();
   const res = await fetch(`${API_BASE}/api/products${query ? `?${query}` : ''}`, {
-    headers: authHeaders,
     cache: 'no-store',
   });