Update package.json scripts, enhance layout with new components, and improve API error handling

- Added new scripts for database operations and temporary production in package.json.
- Integrated KaydetBannerLazy component into the layout for improved user notifications.
- Enhanced API error handling in the soru route to mark credit exhaustion.
- Updated the IletisimPage for better button styling and user experience.
- Refactored ListemPage to streamline user flow and improve session handling.
- Removed unused ListePaneli component to clean up the codebase.

src/app/layout.tsx

@@ -6,6 +6,7 @@ import { Toaster } from "@/components/ui/sonner";
 import { SiteHeader } from "@/components/site-header";
 import { SiteTopBanner } from "@/components/site-top-banner";
 import { ListeCekmecesiLazy } from "@/components/manuel-liste/liste-cekmecesi-lazy";
+import { KaydetBannerLazy } from "@/components/manuel-liste/kaydet-banner-lazy";
 import { TercihProfiliKapisiLazy } from "@/components/manuel-liste/tercih-profili-kapisi-lazy";
 import { HeaderGate } from "@/components/header-gate";
 import { ProgressiveBlur } from "@/components/ui/skiper-ui/skiper41";
@@ -124,6 +125,8 @@ export default function RootLayout({
         </ScrollFlow>
         {/* Manuel 24'lük liste çekmecesi + "+" uçuş katmanı (navbar'dan açılır) */}
         <ListeCekmecesiLazy />
+        {/* Girişsiz + 3 seçimli kullanıcıya "listen yalnızca bu tarayıcıda" banner'ı */}
+        <KaydetBannerLazy />
         {/* İlk "+" için sıra + sihirbaz kapısı */}
         <TercihProfiliKapisiLazy />
         <Toaster position="top-center" />