Update dependencies, enhance AI integration, and improve email content

- Added @google/genai dependency for enhanced AI capabilities.
- Updated CI workflow to include new environment variables for AI integration.
- Refactored AI client to support multiple providers and improved key management.
- Enhanced email templates for better user engagement and clarity.
- Updated error handling in AI-related functions to provide clearer feedback.
- Made various improvements to the application structure and code clarity.

src/lib/sosyal-kanit.ts

@@ -69,6 +69,11 @@ export async function olusturulanListeSayisi(): Promise<number> {
 export async function anlikZiyaretci(): Promise<number | null> {
   if (!HOST || !API_KEY || !STATS_SITE_ID) return null;
 
+  // `Date.now()`den önce şart: prerender sırasında saat okumak yasak, istek
+  // anına bağlanmamız gerekiyor. Kardeş fonksiyondaki `connection()` bunu
+  // karşılamıyor — ikisi `Promise.all` ile paralel koşuyor.
+  await connection();
+
   const onceki = bellek.canli;
   if (onceki && Date.now() - onceki.zaman < CANLI_TTL_MS) return onceki.deger;