Enhance application performance and user experience by enabling component caching in next.config.ts, optimizing database queries in various pages, and implementing lazy loading for heavy components. Updated styles for smoother transitions and improved visual clarity in multiple components, including globals.css and landing sections.

scripts/refresh.ts

@@ -119,6 +119,14 @@ async function main() {
     `);
   }
 
+  // Sorgu yolunun kullandığı ifade indexi; ifade src/lib/db.ts EFEKTIF_SIRA
+  // ile birebir aynı olmalı (bkz. scripts/db-index.ts). sira2025 kolonu
+  // yukarıda garanti edildikten sonra kurulur.
+  db.exec(`
+    CREATE INDEX IF NOT EXISTS idx_programs_tur_onlisans_efektif
+      ON programs (tur, onlisans, COALESCE(sira2025, sira2024));
+  `);
+
   const update = db.prepare(`
     UPDATE programs SET sira2025 = ?, puan2025 = ?, kontenjan2025 = ?, yerlesen2025 = ?
     WHERE id = ?