chore: build

frontend-prep/package-lock.json

@@ -62,6 +62,7 @@
       "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.28.5.tgz",
       "integrity": "sha512-e7jT4DxYvIDLk1ZHmU/m/mB19rex9sv0c2ftBtjSBv+kVM/902eh0fINUzD7UwLLNR+jU585GxUJ8/EBfAM5fw==",
       "dev": true,
+      "peer": true,
       "dependencies": {
         "@babel/code-frame": "^7.27.1",
         "@babel/generator": "^7.28.5",
@@ -873,6 +874,7 @@
       "resolved": "https://registry.npmjs.org/@fortawesome/fontawesome-svg-core/-/fontawesome-svg-core-7.1.0.tgz",
       "integrity": "sha512-fNxRUk1KhjSbnbuBxlWSnBLKLBNun52ZBTcs22H/xEEzM6Ap81ZFTQ4bZBxVQGQgVY0xugKGoRcCbaKjLQ3XZA==",
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@fortawesome/fontawesome-common-types": "7.1.0"
       },
@@ -1461,6 +1463,7 @@
       "resolved": "https://registry.npmjs.org/@types/node/-/node-24.10.1.tgz",
       "integrity": "sha512-GNWcUTRBgIRJD5zj+Tq0fKOJ5XZajIiBroOF0yvj2bSU1WvNdYS/dn9UxwsujGW4JX06dnHyjV2y9rRaybH0iQ==",
       "dev": true,
+      "peer": true,
       "dependencies": {
         "undici-types": "~7.16.0"
       }
@@ -1470,6 +1473,7 @@
       "resolved": "https://registry.npmjs.org/@types/react/-/react-19.2.7.tgz",
       "integrity": "sha512-MWtvHrGZLFttgeEj28VXHxpmwYbor/ATPYbBfSFZEIRK0ecCFLl2Qo55z52Hss+UV9CRN7trSeq1zbgx7YDWWg==",
       "dev": true,
+      "peer": true,
       "dependencies": {
         "csstype": "^3.2.2"
       }
@@ -1526,6 +1530,7 @@
       "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-8.48.0.tgz",
       "integrity": "sha512-jCzKdm/QK0Kg4V4IK/oMlRZlY+QOcdjv89U2NgKHZk1CYTj82/RVSx1mV/0gqCVMJ/DA+Zf/S4NBWNF8GQ+eqQ==",
       "dev": true,
+      "peer": true,
       "dependencies": {
         "@typescript-eslint/scope-manager": "8.48.0",
         "@typescript-eslint/types": "8.48.0",
@@ -1764,6 +1769,7 @@
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.15.0.tgz",
       "integrity": "sha512-NZyJarBfL7nWwIq+FDL6Zp/yHEhePMNnnJ0y3qfieCrmNvYct8uvtiV41UvlSe6apAfk0fY1FbWx+NwfmpvtTg==",
       "dev": true,
+      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -1863,6 +1869,7 @@
           "url": "https://github.com/sponsors/ai"
         }
       ],
+      "peer": true,
       "dependencies": {
         "baseline-browser-mapping": "^2.8.25",
         "caniuse-lite": "^1.0.30001754",
@@ -2101,6 +2108,7 @@
       "resolved": "https://registry.npmjs.org/eslint/-/eslint-9.39.1.tgz",
       "integrity": "sha512-BhHmn2yNOFA9H9JmmIVKJmd288g9hrVRDkdoIgRCRuSySRUHH7r/DI6aAXW9T1WwUuY3DFgrcaqB+deURBLR5g==",
       "dev": true,
+      "peer": true,
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.8.0",
         "@eslint-community/regexpp": "^4.12.1",
@@ -2669,6 +2677,7 @@
       "version": "1.13.2",
       "resolved": "https://registry.npmjs.org/mapbox-gl/-/mapbox-gl-1.13.2.tgz",
       "integrity": "sha512-CPjtWygL+f7naL+sGHoC2JQR0DG7u+9ik6WdkjjVmz2uy0kBC2l+aKfdi3ZzUR7VKSQJ6Mc/CeCN+6iVNah+ww==",
+      "peer": true,
       "dependencies": {
         "@mapbox/geojson-rewind": "^0.5.0",
         "@mapbox/geojson-types": "^1.0.2",
@@ -2878,6 +2887,7 @@
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.3.tgz",
       "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
       "dev": true,
+      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -2950,6 +2960,7 @@
       "version": "19.2.0",
       "resolved": "https://registry.npmjs.org/react/-/react-19.2.0.tgz",
       "integrity": "sha512-tmbWg6W31tQLeB5cdIBOicJDJRR2KzXsV7uSK9iNfLWQ5bIZfxuPEHp7M8wiHyHnn0DD1i7w3Zmin0FtkrwoCQ==",
+      "peer": true,
       "engines": {
         "node": ">=0.10.0"
       }
@@ -2958,6 +2969,7 @@
       "version": "19.2.0",
       "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-19.2.0.tgz",
       "integrity": "sha512-UlbRu4cAiGaIewkPyiRGJk0imDN2T3JjieT6spoL2UeSf5od4n5LB/mQ4ejmxhCFT1tYe8IvaFulzynWovsEFQ==",
+      "peer": true,
       "dependencies": {
         "scheduler": "^0.27.0"
       },
@@ -3216,6 +3228,7 @@
       "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
       "license": "Apache-2.0",
+      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
@@ -3306,6 +3319,7 @@
       "resolved": "https://registry.npmjs.org/vite/-/vite-7.2.4.tgz",
       "integrity": "sha512-NL8jTlbo0Tn4dUEXEsUg8KeyG/Lkmc4Fnzb8JXN/Ykm9G4HNImjtABMJgkQoVjOBN/j2WAwDTRytdqJbZsah7w==",
       "dev": true,
+      "peer": true,
       "dependencies": {
         "esbuild": "^0.25.0",
         "fdir": "^6.5.0",
@@ -3446,6 +3460,7 @@
       "resolved": "https://registry.npmjs.org/zod/-/zod-4.1.13.tgz",
       "integrity": "sha512-AvvthqfqrAhNH9dnfmrfKzX5upOdjUVJYFqNSlkmGf64gRaTzlPwz99IHYnVs28qYAybvAlBV+H7pn0saFY4Ig==",
       "dev": true,
+      "peer": true,
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
       }

frontend-prep/src/pages/User/Accueil.tsx

@@ -38,11 +38,15 @@ function UserAccueil() {
             return;
         }
         loadProducts();
+        const interval = setInterval(() => loadProducts(true), 30_000);
+        return () => clearInterval(interval);
     }, [selectedCategory, categories]); // eslint-disable-line react-hooks/exhaustive-deps
 
-    const loadProducts = async () => {
+    const loadProducts = async (silent = false) => {
+        if (!silent) {
             setLoading(true);
             setError(null);
+        }
 
         try {
             let response;
@@ -54,14 +58,25 @@ function UserAccueil() {
             }
 
             if (response.success && response.data) {
-                setProducts(response.data);
+                if (silent) {
+                    setProducts((prev) =>
+                        prev.map((p) => {
+                            const updated = response.data!.find((r: Product) => r.id === p.id);
+                            return updated ? { ...p, stock: updated.stock } : p;
+                        })
+                    );
                 } else {
+                    setProducts(response.data);
+                }
+            } else if (!silent) {
                 setProducts([]);
             }
         } catch (err: unknown) {
+            if (!silent) {
                 setError(err instanceof Error ? err.message : "Erreur lors du chargement des produits");
+            }
         } finally {
-            setLoading(false);
+            if (!silent) setLoading(false);
         }
     };
 
@@ -186,7 +201,7 @@ function UserAccueil() {
                 ) : error ? (
                     <div className="error-container">
                         <p className="error-message">{error}</p>
-                        <button onClick={loadProducts}>Réessayer</button>
+                        <button onClick={() => loadProducts()}>Réessayer</button>
                     </div>
                 ) : products.length === 0 ? (
                     <div className="empty-container">