Update aduc_framework/managers/gemini_manager.py

aduc_framework/managers/gemini_manager.py

@@ -63,7 +63,7 @@ class GeminiManager:
         self.api_key = os.environ.get("GEMINI_API_KEY")
         if self.api_key:
             genai.configure(api_key=self.api_key)
-            self.model = genai.GenerativeModel('gemini-2.5-flash') 
+            self.model = genai.GenerativeModel('gemini-2.0-flash') 
             logger.info("GeminiManager (Communication Layer) initialized successfully.")
         else:
             self.model = None