feat: Introduce database count verification scripts and update Next.js configuration for pg and server action body size.

check_counts.js

@@ -0,0 +1,31 @@
+
+const { Pool } = require('pg');
+const fs = require('fs');
+const path = require('path');
+
+const CONFIG_PATH = path.join(process.cwd(), "data", ".db-config.json");
+let url = "";
+if (fs.existsSync(CONFIG_PATH)) {
+    url = JSON.parse(fs.readFileSync(CONFIG_PATH, "utf-8")).url;
+}
+
+const pool = new Pool({ connectionString: url || process.env.DATABASE_URL });
+
+async function check() {
+    try {
+        const resSuppliers = await pool.query(\`SELECT DISTINCT code_fournisseur FROM ventes_produits LIMIT 5\`);
+        console.log("Suppliers in DB:", resSuppliers.rows.map(r => r.code_fournisseur));
+
+        for (const row of resSuppliers.rows) {
+            const supplier = row.code_fournisseur;
+            const countRes = await pool.query(\`SELECT COUNT(*) FROM ventes_produits WHERE code_fournisseur = $1\`, [supplier]);
+            const distinctCodein = await pool.query(\`SELECT COUNT(DISTINCT codein) FROM ventes_produits WHERE code_fournisseur = $1\`, [supplier]);
+            console.log(\`Supplier \${supplier}: Total Rows = \${countRes.rows[0].count}, Distinct Products = \${distinctCodein.rows[0].count}\`);
+        }
+    } catch (e) {
+        console.error("Error:", e);
+    } finally {
+        await pool.end();
+    }
+}
+check();