feat: clarify web library memory and conversation management

web/app.js

@@ -95,7 +95,13 @@ function setTasksOpen(open) {
     tasksPanel.hidden = !open; tasksPanel.inert = !open;
     tasksPanel.classList.toggle("open", open);
     tasksBtn.setAttribute("aria-expanded", String(open));
-    if (open) closeTasksBtn.focus(); else if (wasOpen) tasksBtn.focus();
+    if (open) {
+        if (document.getElementById('chatSidebar')?.classList.contains('drawer-open')) document.getElementById('drawerClose')?.click();
+        closeTasksBtn.focus();
+    } else if (wasOpen) {
+        const target = tasksBtn.getClientRects().length && !tasksBtn.closest('[inert]') ? tasksBtn : document.getElementById('drawerOpen');
+        target?.focus();
+    }
 }
 tasksBtn.setAttribute("aria-expanded", "false");
 tasksBtn.addEventListener("click", () => setTasksOpen(!tasksPanel.classList.contains("open")));
@@ -727,7 +733,18 @@ modelSelect.addEventListener("change", () => {
 thinkingLevelSelect.addEventListener("change", () => {
     updateSettingsControls(); setSettingsStatus("Unsaved changes. Save to apply them to your account.");
 });
-retryModelSettingsBtn.addEventListener("click", loadModelSettings);
+retryModelSettingsBtn.addEventListener("click", async () => {
+    await loadModelSettings();
+    if (!window.HopeAuth?.user) return;
+    const account = accountIdentity(), generation = settingsGeneration;
+    try {await window.HopeFeatures?.refresh();}
+    catch (error) {
+        if (settingsResponseIsCurrent(account, generation)) {
+            retryModelSettingsBtn.hidden = false;
+            setSettingsStatus(`File support could not be checked: ${error.message}. Retry to check again. Image attachments remain blocked.`, 'error');
+        }
+    }
+});
 modelSettingsForm.addEventListener("submit", async event => {
     event.preventDefault(); updateSettingsControls();
     if (saveModelSettingsBtn.disabled) return;
@@ -740,6 +757,12 @@ modelSettingsForm.addEventListener("submit", async event => {
         const data = await HopeAuth.request("/api/settings/model", { method: "PUT", body: JSON.stringify(settings), signal: settingsAbort.signal });
         if (!settingsResponseIsCurrent(account, generation)) return;
         savedModelSettings = readSavedSettings(data); renderSavedModelSettings();
+        window.HopeFeatures?.refresh().catch(error => {
+            if (settingsResponseIsCurrent(account, generation)) {
+                retryModelSettingsBtn.hidden = false;
+                setSettingsStatus(`Model saved, but file support could not be checked: ${error.message}. Use Retry to check again. Image attachments remain blocked.`, 'error');
+            }
+        });
         setSettingsStatus(data.message || "Saved. Your next request will use these account settings; your conversation continues uninterrupted.", "success");
     } catch (error) {
         if (!settingsResponseIsCurrent(account, generation)) return;