feat: implement product grid data fetching with schema self-healing and add a database verification script.

verify_limit.js

@@ -0,0 +1,37 @@
+
+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;
+}
+if (!url) url = process.env.DATABASE_URL;
+
+const pool = new Pool({ connectionString: url });
+
+async function check() {
+    try {
+        console.log("Checking DB URL:", url.replace(/:([^@]+)@/, ":****@"));
+        
+        const resTotal = await pool.query('SELECT COUNT(*) FROM ventes_produits');
+        console.log("Total rows in table:", resTotal.rows[0].count);
+
+        const resSuppliers = await pool.query('SELECT code_fournisseur, COUNT(*) as count FROM ventes_produits GROUP BY code_fournisseur ORDER BY count DESC LIMIT 10');
+        console.log("Top suppliers by row count:", resSuppliers.rows);
+
+        // Check for specific supplier in user screenshot (if any, but I'll check all)
+        for (const s of resSuppliers.rows) {
+            const resDistinct = await pool.query('SELECT COUNT(DISTINCT codein) FROM ventes_produits WHERE code_fournisseur = $1', [s.code_fournisseur]);
+            console.log(`Supplier ${s.code_fournisseur}: Distinct Products = ${resDistinct.rows[0].count}`);
+        }
+
+    } catch (e) {
+        console.error("DB Error:", e);
+    } finally {
+        await pool.end();
+    }
+}
+check();