Fix: Deprecation warning & localStorage quota handling

- Remove deprecated apple-mobile-web-app-capable
- Limit generations to 20 instead of 50
- Auto-cleanup when quota exceeded
- Better error messages

Author: Saganaki22

index.html

@@ -30,7 +30,7 @@
 
   <meta name="theme-color" content="#0a0a0f">
   <meta name="msapplication-TileColor" content="#0a0a0f">
-  <meta name="apple-mobile-web-app-capable" content="yes">
+  <meta name="mobile-web-app-capable" content="yes">
   <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
   <meta name="apple-mobile-web-app-title" content="ACE-Step-Web">
 

js/app.js

@@ -607,12 +607,27 @@ function saveGeneration(generation) {
     const generations = saved ? JSON.parse(saved) : [];
     generations.unshift(generation);
 
-    if (generations.length > 50) {
-      generations.pop();
+    if (generations.length > 20) {
+      generations.length = 20;
     }
 
-    localStorage.setItem('acestep_generations', JSON.stringify(generations));
-    renderGenerations(generations);
+    try {
+      localStorage.setItem('acestep_generations', JSON.stringify(generations));
+      renderGenerations(generations);
+    } catch (quotaError) {
+      while (generations.length > 5) {
+        generations.pop();
+        try {
+          localStorage.setItem('acestep_generations', JSON.stringify(generations));
+          renderGenerations(generations);
+          toast('Storage full - older generations removed', 'warning');
+          return;
+        } catch (e) {
+          continue;
+        }
+      }
+      toast('Storage full - please clear some generations', 'error');
+    }
   } catch (e) {
     console.error('Error saving generation:', e);
     toast('Failed to save generation', 'error');