diff --git a/server/history-store.mjs b/server/history-store.mjs
index 0121ac2..5559240 100644
--- a/server/history-store.mjs
+++ b/server/history-store.mjs
@@ -126,6 +126,20 @@ function rowToTender(r) {
     gecerliTeklifSayisi: r.gecerli_teklif_sayisi,
     durum: 'Sonuçlandı',
     items: [],
+    // Arayüzün beklediği alanlar (geçmiş kayıtta karşılığı yok — güvenli varsayılan)
+    eklenmeZamani: 'arşivden',
+    isYeni: false,
+    aciliyetBadge: null,
+    usul: r.ihale_tipi || 'İhale',
+    kurumTipi: '',
+    brans: '',
+    bolge: '',
+    aciklama: '',
+    yeterlikKriterleri: [],
+    kanbanStatus: null,
+    atananPersonel: null,
+    takipte: false,
+    incelendi: false,
   };
 }
 
diff --git a/src/components/SummaryCards.jsx b/src/components/SummaryCards.jsx
index 98733d9..7ffda39 100644
--- a/src/components/SummaryCards.jsx
+++ b/src/components/SummaryCards.jsx
@@ -6,7 +6,7 @@ export const SummaryCards = () => {
   const { tenders, quickFilter, setQuickFilter, setActiveTab } = useApp();
 
   const activeCount = tenders.filter(t => t.durum === 'Aktif').length;
-  const todayCount = tenders.filter(t => t.eklenmeZamani.includes('önce') || t.eklenmeZamani.includes('az')).length;
+  const todayCount = tenders.filter(t => (t.eklenmeZamani || '').includes('önce') || (t.eklenmeZamani || '').includes('az')).length;
   const trackedCount = tenders.filter(t => t.takipte).length;
   const sinceLastLoginCount = 14; // Mocked counter
   const unreadCount = tenders.filter(t => !t.incelendi).length;
diff --git a/src/components/TenderList.jsx b/src/components/TenderList.jsx
index 756b898..17af0ad 100644
--- a/src/components/TenderList.jsx
+++ b/src/components/TenderList.jsx
@@ -27,17 +27,17 @@ export const TenderList = () => {
       // Search Query
       if (searchQuery) {
         const q = searchQuery.toLowerCase();
-        const matchTitle = tender.baslik.toLowerCase().includes(q);
-        const matchKurum = tender.kurum.toLowerCase().includes(q);
-        const matchIkn = tender.ikn.toLowerCase().includes(q);
-        const matchItems = tender.items && tender.items.some(i => i.ad.toLowerCase().includes(q));
+        const matchTitle = (tender.baslik || '').toLowerCase().includes(q);
+        const matchKurum = (tender.kurum || '').toLowerCase().includes(q);
+        const matchIkn = (tender.ikn || '').toLowerCase().includes(q);
+        const matchItems = tender.items && tender.items.some(i => (i.ad || '').toLowerCase().includes(q));
         if (!matchTitle && !matchKurum && !matchIkn && !matchItems) return false;
       }
 
       // Quick Filter
       if (quickFilter === 'favori_kurumlar' && !(favoriteKurumlar || []).includes((tender.kurum || '').trim())) return false;
       if (quickFilter === 'dogrudan_temin' && tender.alimTuru !== 'Doğrudan Temin') return false;
-      if (quickFilter === 'bugun_eklenenler' && !(tender.eklenmeZamani.includes('önce') || tender.eklenmeZamani.includes('az'))) return false;
+      if (quickFilter === 'bugun_eklenenler' && !((tender.eklenmeZamani || '').includes('önce') || (tender.eklenmeZamani || '').includes('az'))) return false;
       if (quickFilter === 'incelenenler' && !tender.incelendi) return false;
       if (quickFilter === 'incelenmedi' && tender.incelendi) return false;
       if (quickFilter === 'takiptekiler' && !tender.takipte) return false;
diff --git a/src/components/tools/DailyBulletin.jsx b/src/components/tools/DailyBulletin.jsx
index dac418b..19e9108 100644
--- a/src/components/tools/DailyBulletin.jsx
+++ b/src/components/tools/DailyBulletin.jsx
@@ -6,7 +6,7 @@ export const DailyBulletin = () => {
   const { tenders, setActiveTenderDetail } = useApp();
 
   const todayStr = '10.08.2026';
-  const todayTenders = tenders.filter(t => t.tarih === todayStr || t.eklenmeZamani.includes('az') || t.eklenmeZamani.includes('önce'));
+  const todayTenders = tenders.filter(t => t.tarih === todayStr || (t.eklenmeZamani || '').includes('az') || (t.eklenmeZamani || '').includes('önce'));
 
   return (
     <div className="space-y-4 my-4 animate-fade-in">
diff --git a/src/components/tools/ResultSearch.jsx b/src/components/tools/ResultSearch.jsx
index 63eb9ed..48c5105 100644
--- a/src/components/tools/ResultSearch.jsx
+++ b/src/components/tools/ResultSearch.jsx
@@ -12,9 +12,9 @@ export const ResultSearch = () => {
     if (!query) return true;
     const q = query.toLowerCase();
     return (
-      t.baslik.toLowerCase().includes(q) ||
-      t.ikn.toLowerCase().includes(q) ||
-      t.kurum.toLowerCase().includes(q) ||
+      (t.baslik || '').toLowerCase().includes(q) ||
+      (t.ikn || '').toLowerCase().includes(q) ||
+      (t.kurum || '').toLowerCase().includes(q) ||
       (t.kazananFirma && t.kazananFirma.toLowerCase().includes(q))
     );
   });
diff --git a/src/components/tools/TenderCalendar.jsx b/src/components/tools/TenderCalendar.jsx
index 81935a8..a8047ca 100644
--- a/src/components/tools/TenderCalendar.jsx
+++ b/src/components/tools/TenderCalendar.jsx
@@ -15,7 +15,7 @@ export const TenderCalendar = () => {
     { date: '15.08.2026', label: 'Cumartesi', count: 1 }
   ];
 
-  const dayTenders = tenders.filter(t => t.tarih === selectedDay || (selectedDay === '10.08.2026' && t.tarih.includes('10')));
+  const dayTenders = tenders.filter(t => t.tarih === selectedDay || (selectedDay === '10.08.2026' && (t.tarih || '').includes('10')));
 
   return (
     <div className="space-y-4 my-4 animate-fade-in">