Handle thinking config per Gemini model

app_2.py

@@ -14,21 +14,32 @@ MODELS = [
     "gemini-3.1-flash-preview",
 ]
 
-# Tools + Config (einmalig)
+# Tools (einmalig)
 tools = [
         types.Tool(url_context=types.UrlContext()),
         types.Tool(googleSearch=types.GoogleSearch(
         )),
     ]
-generate_content_config = types.GenerateContentConfig(
-    thinking_config=types.ThinkingConfig(thinking_level="MINIMAL"),
-    tools=tools,
-)
+
+
+def build_generate_content_config(model_name):
+    config_kwargs = {"tools": tools}
+
+    # Pro-Modelle akzeptieren MINIMAL derzeit nicht.
+    if "pro" not in model_name:
+        config_kwargs["thinking_config"] = types.ThinkingConfig(
+            thinking_level="MINIMAL"
+        )
+
+    return types.GenerateContentConfig(**config_kwargs)
 
 def create_chat_state(model_name):
     return {
         "model": model_name,
-        "chat": client.chats.create(model=model_name, config=generate_content_config),
+        "chat": client.chats.create(
+            model=model_name,
+            config=build_generate_content_config(model_name),
+        ),
         "lock": threading.Lock(),
     }