[pitboss] phase 14: Track B — Java harness emitter shapes

tests/dynamic_fixtures/java/servlet_doget/HttpServletResponse.java

@@ -0,0 +1,6 @@
+// Phase 14 fixture stub — minimal servlet response shape.
+public class HttpServletResponse {
+    private final StringBuilder body = new StringBuilder();
+    public void write(String s) { body.append(s); }
+    public String getBody() { return body.toString(); }
+}