corrige o erro da camera e da ia não funcionar e mudar o layout futuramente

app/src/main/java/com/example/pap/AiConfig.java

@@ -0,0 +1,19 @@
+package com.example.pap;
+
+import retrofit2.Retrofit;
+import retrofit2.converter.gson.GsonConverterFactory;
+
+public class AiConfig {
+    private static Retrofit retrofit;
+    private static final String BASE_URL = "https://openrouter.ai/api/v1/";
+
+    public static Retrofit getRetrofit() {
+        if (retrofit == null) {
+            retrofit = new Retrofit.Builder()
+                    .baseUrl(BASE_URL)
+                    .addConverterFactory(GsonConverterFactory.create())
+                    .build();
+        }
+        return retrofit;
+    }
+}