Feature: auto-fill game covers from internet sources

app.js

@@ -51,6 +51,7 @@ const totalGamesValue = document.getElementById("totalGamesValue");
 const migrateBtn = document.getElementById("migrateBtn");
 const backupControls = document.getElementById("backupControls");
 const backupBtn = document.getElementById("backupBtn");
+const autoCoverBtn = document.getElementById("autoCoverBtn");
 const restoreMergeBtn = document.getElementById("restoreMergeBtn");
 const restoreReplaceBtn = document.getElementById("restoreReplaceBtn");
 const restoreFileInput = document.getElementById("restoreFileInput");
@@ -545,6 +546,41 @@ backupBtn.addEventListener("click", async () => {
   }
 });
 
+autoCoverBtn.addEventListener("click", async () => {
+  if (!apiReachable) {
+    alert("API indisponible. Enrichissement des pochettes impossible.");
+    return;
+  }
+
+  const confirmed = window.confirm(
+    "Lancer la recuperation automatique des pochettes depuis internet pour les jeux sans image ?",
+  );
+  if (!confirmed) {
+    return;
+  }
+
+  autoCoverBtn.disabled = true;
+  const originalLabel = autoCoverBtn.textContent;
+  autoCoverBtn.textContent = "Traitement en cours...";
+  try {
+    const result = await apiRequest("/api/covers/autofill", {
+      method: "POST",
+      body: { limit: 350, overwrite: false },
+      timeoutMs: 180000,
+    });
+    await refreshFromApi(state.selectedBrand, state.selectedConsole);
+    alert(
+      `Pochettes maj: ${result.updated || 0} / ${result.scanned || 0} jeu(x). Non trouves: ${result.notFound || 0}.`,
+    );
+  } catch (error) {
+    console.error(error);
+    alert(`Echec auto-pochettes: ${error.message}`);
+  } finally {
+    autoCoverBtn.disabled = false;
+    autoCoverBtn.textContent = originalLabel;
+  }
+});
+
 restoreMergeBtn.addEventListener("click", () => {
   pendingRestoreMode = "merge";
   restoreFileInput.click();