M5 AP-003 Unnötige Scope-Änderungen entfernt und Adapter-Tests auf

echten Outbound-Request geschärft

pdf-umbenenner-adapter-out/src/main/java/de/gecheckt/pdf/umbenenner/adapter/out/ai/OpenAiHttpAdapter.java

@@ -102,6 +102,9 @@ public class OpenAiHttpAdapter implements AiInvocationPort {
     private final String apiKey;
     private final int apiTimeoutSeconds;
 
+    // Test-only field to capture the last built JSON body for assertion
+    private volatile String lastBuiltJsonBody;
+
     /**
      * Creates an adapter with configuration from startup configuration.
      * <p>
@@ -236,6 +239,8 @@ public class OpenAiHttpAdapter implements AiInvocationPort {
         URI endpoint = buildEndpointUri();
 
         String requestBody = buildJsonRequestBody(request);
+        // Capture for test inspection (test-only field)
+        this.lastBuiltJsonBody = requestBody;
 
         return HttpRequest.newBuilder(endpoint)
                 .header("Content-Type", CONTENT_TYPE)
@@ -304,6 +309,21 @@ public class OpenAiHttpAdapter implements AiInvocationPort {
         return body.toString();
     }
 
+    /**
+     * Package-private accessor for the last constructed JSON body.
+     * <p>
+     * <strong>For testing only:</strong> Allows tests to verify the actual
+     * JSON body sent in HTTP requests without exposing the BodyPublisher internals.
+     * This method is used by unit tests to assert that the correct model, text,
+     * and other fields are present in the outbound request.
+     *
+     * @return the last JSON body string constructed by {@link #buildRequest(AiRequestRepresentation)},
+     *         or null if no request has been built yet
+     */
+    String getLastBuiltJsonBodyForTesting() {
+        return lastBuiltJsonBody;
+    }
+
     /**
      * Executes the HTTP request and returns the response.
      * <p>