Fix database schema inspection on production servers

Update database connection logic in `routes.ts` to use the established `pool` for schema inspection queries, resolving issues with data retrieval on production environments.

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/kdCs97W

server/routes.ts

@@ -3,6 +3,7 @@ import { createServer, type Server } from "http";
 import { storage } from "./storage";
 import { setupLocalAuth, requireAuth } from "./localAuth";
 import { requireModulePermission, requireAdmin } from "./permissions";
+import { db, pool } from "./db";
 
 console.log('🔍 Using development storage and authentication');
 
@@ -1405,6 +1406,11 @@ export async function registerRoutes(app: Express): Promise<Server> {
       console.log('\n🔍 ===== DÉBUT SCAN SCHÉMA BASE DE DONNÉES =====');
       console.log('⏰ Timestamp:', new Date().toISOString());
 
+      // Vérifier que pool est disponible
+      if (!pool) {
+        throw new Error('Pool de base de données non disponible en production');
+      }
+
       // Récupérer les tables
       const tablesQuery = `
         SELECT table_name 
@@ -1413,7 +1419,7 @@ export async function registerRoutes(app: Express): Promise<Server> {
         ORDER BY table_name
       `;
       
-      const tablesResult = await (storage as any).db.query(tablesQuery);
+      const tablesResult = await pool.query(tablesQuery);
       
       console.log(`\n📊 TOTAL DES TABLES TROUVÉES: ${tablesResult.rows.length}`);
       console.log('==========================================');
@@ -1439,7 +1445,7 @@ export async function registerRoutes(app: Express): Promise<Server> {
           ORDER BY ordinal_position
         `;
         
-        const columnsResult = await (storage as any).db.query(columnsQuery, [tableName]);
+        const columnsResult = await pool.query(columnsQuery, [tableName]);
         
         if (columnsResult.rows.length > 0) {
           columnsResult.rows.forEach((col, index) => {
@@ -1453,7 +1459,7 @@ export async function registerRoutes(app: Express): Promise<Server> {
           // Compter les enregistrements dans la table
           try {
             const countQuery = `SELECT COUNT(*) as total FROM "${tableName}"`;
-            const countResult = await (storage as any).db.query(countQuery);
+            const countResult = await pool.query(countQuery);
             console.log(`   📈 Nombre d'enregistrements: ${countResult.rows[0].total}`);
           } catch (countError) {
             console.log(`   ⚠️  Impossible de compter les enregistrements: ${countError.message}`);
@@ -1484,7 +1490,7 @@ export async function registerRoutes(app: Express): Promise<Server> {
         ORDER BY tc.table_name, kcu.column_name
       `;
       
-      const fkResult = await (storage as any).db.query(fkQuery);
+      const fkResult = await pool.query(fkQuery);
       
       if (fkResult.rows.length > 0) {
         fkResult.rows.forEach(fk => {