Update app.py

app.py

@@ -69,7 +69,7 @@ class SmartAgent:
         if not self.api_key:
             raise ValueError("GEMINI_API_KEY environment variable not set!")
         # Valid Gemini 1.5 Flash endpoint string
-        self.api_url = f"https://generativelanguage.googleapis.com/v1beta/models/gemini-1.5-flash:generateContent?key={self.api_key}"
+        self.api_url = f"https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash:generateContent?key={self.api_key}"
         print("SmartAgent initialized with Gemini 1.5 Flash (FREE - 1500 req/day)")
 
     def call_llm(self, prompt: str) -> str: