return str.replaceAll(originalHighlightTagPre, StringUtil.EMPTY).replaceAll(originalHighlightTagPost, StringUtil.EMPTY);
    }

    /**
     * Creates highlight information based on screen width.
     * Adjusts fragment size for mobile devices.
     *
     * @return the highlight information
     */
    public HighlightInfo createHighlightInfo() {

        if (removedNodeList != null) {
            removedNodeList.stream().forEach(n -> node.removeChild(n));
        }

        return node;
    }

    /**
     * Prunes unwanted tags from the node based on configuration.
     *
     * @param node the node to prune
     * @param crawlingConfig the crawling configuration containing pruning rules
     * @return the pruned node
     */

                return requestLocale;
            }
            return request.getLocale();
        }).orElse(Locale.getDefault());
    }

    /**
     * Gets the language instruction based on the user's locale.
     *
     * @return the language instruction string, or empty string if locale is English
     */
    protected String getLanguageInstruction() {
        final Locale locale = getUserLocale();

    protected LdapUser createLdapUser(final String username, final Hashtable<String, String> env) {
        return new LdapUser(env, username);
    }

    /**
     * Retrieves roles for the specified LDAP user based on the provided filters.
     *
     * @param ldapUser the LDAP user to retrieve roles for
     * @param bindDn the bind DN for LDAP connection
     * @param accountFilter the account filter pattern

        assertEquals(Path.of("/export/_local/home/user/doc.html"), result);
    }

    @Test
    public void test_buildFilePath_specialCharacters() {
        // < in URL makes it an invalid URI, so it falls back to hash-based path
        final Path result =
                indexExportJob.buildFilePath("/export", "https://example.com/path/file<name>.html", new HtmlIndexExportFormatter());

                    history.add(LlmMessage.assistant(content));
                }
            }
        }
        return history;
    }

    /**
     * Builds the assistant message content for history based on the specified mode.
     *
     * @param msg the assistant chat message
     * @param mode the content mode (full, smart_summary, source_titles, source_titles_and_urls, truncated, none)

        assertEquals("Q2", request.getMessages().get(0).getContent());
        assertEquals("A2", request.getMessages().get(1).getContent());
    }

    // ========== addHistoryWithBudget — turn-based packing tests ==========

    @Test
    public void test_addHistoryWithBudget_turnBasedPacking_twoCompleteTurns() {
        final List<LlmMessage> history = new ArrayList<>();