Changeset 0.15.0 patches (#72)

src/js/app.js

@@ -62,7 +62,11 @@ async function fetchModels() {
             App.hiddenModels = new Set(
                 (prefData.preferences || []).filter(p => p.hidden).map(p => p.model_id)
             );
-        } catch (e) { App.hiddenModels = new Set(); }
+        } catch (e) {
+            // Keep existing preferences on failure (auth dead, network issue).
+            // Only init to empty if there's nothing to preserve.
+            if (!App.hiddenModels) App.hiddenModels = new Set();
+        }
 
         App.models = (data.models || []).map(m => {
             const isPreset = !!m.is_preset;