fix: sablony cenoviek len z databazy, stara kopia v prehliadaci sa zmaze

Neulozene alebo zmazane sablony z localStorage sa uz neukazuju v roletkach.
Ked sa sablonu nepodari ulozit do databazy, editor to ohlasi (predtym ju
potichu ulozil len do prehliadaca).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/app/page.tsx

@@ -10,7 +10,7 @@ import { getBrevoCampaignUrl } from '@/lib/brevo';
 import { TopBar } from '@/components/editor/TopBar';
 import { ConfigPanel } from '@/components/editor/ConfigPanel';
 import { ProductImportModal } from '@/components/editor/ProductImportModal';
-import { BadgeEditorModal } from '@/components/editor/BadgeEditorModal';
+import { BadgeEditorModal, clearLocalBadges } from '@/components/editor/BadgeEditorModal';
 import { SavedCampaignsModal } from '@/components/editor/SavedCampaignsModal';
 import { NameDialog } from '@/components/editor/NameDialog';
 import JSZip from 'jszip';
@@ -64,22 +64,8 @@ export default function Home() {
         console.warn('Error fetching badges in page:', e);
       }
 
-      try {
-        const local = localStorage.getItem('coop_custom_badges');
-        if (local) {
-          const parsed = JSON.parse(local);
-          if (Array.isArray(parsed)) {
-            const existingIds = new Set(loaded.map((b) => b.id));
-            for (const b of parsed) {
-              // len šablóny neuložené do databázy – zmazané šablóny sa z prehliadača nesmú vrátiť
-              if (!existingIds.has(b.id) && String(b.id).startsWith('badge-')) {
-                loaded.push(b);
-                existingIds.add(b.id);
-              }
-            }
-          }
-        }
-      } catch (e) {}
+      // šablóny sú len v databáze; starú kópiu z prehliadača zmažeme
+      clearLocalBadges();
 
       const all = [...loaded];
       const existingIds = new Set(all.map((b) => b.id));

src/components/editor/BadgeEditorModal.tsx

@@ -55,9 +55,11 @@ function toBadgeDbPayload(badge: BadgeTemplate) {
   };
 }
 
-function saveLocal(list: BadgeTemplate[]) {
+// Šablóny sú len v databáze. Staršie verzie ukladali kópiu do prehliadača – tú zmažeme,
+// aby sa v roletkách neukazovali neuložené alebo už zmazané šablóny.
+export function clearLocalBadges() {
   try {
-    localStorage.setItem(LOCAL_KEY, JSON.stringify(list));
+    localStorage.removeItem(LOCAL_KEY);
   } catch {
     // localStorage nemusí byť dostupný
   }
@@ -358,18 +360,9 @@ export const BadgeEditorModal: React.FC<BadgeEditorModalProps> = ({
         const { data } = await supabase.from('badges').select('*').order('created_at', { ascending: false });
         loaded = ((data as BadgeRow[]) || []).map(badgeFromRow);
       } catch {
-        // bez databázy použijeme kópiu v prehliadači
-      }
-      try {
-        const local = JSON.parse(localStorage.getItem(LOCAL_KEY) || '[]');
-        if (Array.isArray(local)) {
-          const ids = new Set(loaded.map((b) => b.id));
-          // z prehliadača len šablóny, ktoré ešte neboli uložené do databázy (zmazané sa nesmú vrátiť)
-          for (const b of local as BadgeTemplate[]) if (!ids.has(b.id) && b.id.startsWith('badge-')) loaded.push(b);
-        }
-      } catch {
-        // localStorage nemusí byť dostupný
+        // databáza nie je dostupná – zoznam ostane prázdny
       }
+      clearLocalBadges();
       if (cancelled) return;
       setBadges(loaded);
       open(loaded[0] || null);
@@ -507,13 +500,14 @@ export const BadgeEditorModal: React.FC<BadgeEditorModalProps> = ({
       if (error) throw error;
       if (data?.[0]) saved = { ...badge, id: (data[0] as BadgeRow).id };
     } catch (err) {
-      console.warn('Šablóna sa uložila len v prehliadači:', err);
+      setSaving(false);
+      alert(`Šablónu sa nepodarilo uložiť do databázy: ${(err as Error).message || err}`);
+      return null;
     }
     const list = badges.some((b) => b.id === badge.id)
       ? badges.map((b) => (b.id === badge.id ? saved : b))
       : [saved, ...badges];
     setBadges(list);
-    saveLocal(list);
     setBadge(saved);
     setSavedJson(JSON.stringify(saved));
     setSaving(false);
@@ -559,14 +553,15 @@ export const BadgeEditorModal: React.FC<BadgeEditorModalProps> = ({
     let saved = copy;
     try {
       const { data, error } = await supabase.from('badges').insert([toBadgeDbPayload(copy)]).select();
-      if (!error && data?.[0]) saved = { ...copy, id: (data[0] as BadgeRow).id };
-    } catch {
-      // bez databázy ostane kópia v prehliadači
+      if (error || !data?.[0]) throw error || new Error('bez odpovede');
+      saved = { ...copy, id: (data[0] as BadgeRow).id };
+    } catch (err) {
+      alert(`Kópiu šablóny sa nepodarilo uložiť do databázy: ${(err as Error).message || err}`);
+      return;
     }
     const list = [...badges];
     list.splice(list.findIndex((x) => x.id === b.id) + 1, 0, saved);
     setBadges(list);
-    saveLocal(list);
     open(saved);
   };
 
@@ -585,7 +580,6 @@ export const BadgeEditorModal: React.FC<BadgeEditorModalProps> = ({
     }
     const list = badges.filter((x) => x.id !== b.id);
     setBadges(list);
-    saveLocal(list);
     if (badge?.id === b.id) open(list[0] || null);
   };