Improve DLC product data handling and cache management

Update DLC product fetching to include group filtering, implement precise cache invalidation for DLC-related queries using `exact: false`, and add detailed logging for API requests and responses to aid in debugging.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: b163d4c0-de5e-4f4e-a9c0-aed4c7049718
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/1957c339-2757-4d1f-8e92-e9f71a1ce58e/b163d4c0-de5e-4f4e-a9c0-aed4c7049718/rEII9fE

fix-dlc-cache-invalidation.js

@@ -0,0 +1,70 @@
+#!/usr/bin/env node
+
+// Fix pour invalidation cache DLC - Test avec curl direct
+
+const testDlcEndpoint = async () => {
+  const { execSync } = require('child_process');
+  
+  console.log('🔍 Test Direct API DLC Products');
+  
+  try {
+    // 1. Login admin
+    console.log('1. Login admin...');
+    const loginResult = execSync(`curl -X POST http://localhost:5000/api/login \
+      -H "Content-Type: application/json" \
+      -d '{"username":"admin","password":"admin"}' \
+      -c cookies.txt \
+      -w "%{http_code}" \
+      -s`, { encoding: 'utf8' });
+    
+    console.log('Login status:', loginResult.slice(-3));
+    
+    // 2. Test GET DLC products
+    console.log('2. GET DLC products...');
+    const dlcResult = execSync(`curl -X GET http://localhost:5000/api/dlc-products \
+      -b cookies.txt \
+      -w "%{http_code}" \
+      -s`, { encoding: 'utf8' });
+    
+    const statusCode = dlcResult.slice(-3);
+    const responseBody = dlcResult.slice(0, -3);
+    
+    console.log('Status:', statusCode);
+    
+    if (statusCode === '200') {
+      const dlcs = JSON.parse(responseBody);
+      console.log('✅ Total DLC:', dlcs.length);
+      
+      if (dlcs.length > 0) {
+        console.log('📋 Sample DLC:', {
+          id: dlcs[0].id,
+          productName: dlcs[0].productName,
+          groupId: dlcs[0].groupId,
+          status: dlcs[0].status
+        });
+        
+        // Grouper par groupId
+        const byGroup = dlcs.reduce((acc, dlc) => {
+          acc[dlc.groupId] = (acc[dlc.groupId] || 0) + 1;
+          return acc;
+        }, {});
+        
+        console.log('📊 DLC par groupe:', byGroup);
+      }
+    } else {
+      console.log('❌ Erreur:', responseBody);
+    }
+    
+    console.log('\n3. Instructions debug frontend:');
+    console.log('- Ouvrir DevTools Network');
+    console.log('- Recharger page DLC Products');
+    console.log('- Vérifier si requête API est envoyée');
+    console.log('- Vérifier la réponse de l\'API');
+    console.log('- Vérifier React Query cache dans Components');
+    
+  } catch (error) {
+    console.log('❌ Erreur:', error.message);
+  }
+};
+
+testDlcEndpoint();