// Empty titles => suffix is empty => falls back to truncated
        assertEquals("Some content here that is quite long enough to be truncated.", result);
    }

    // ========== additional truncated tests ==========

    @Test
    public void test_truncated_nullContent() {
        final ChatMessage msg = ChatMessage.assistantMessage(null);

        assertNotNull(details);
        // Max 50 events displayed, message truncated to 200 chars
        assertTrue(details.contains("Total: 100 event(s) (showing 50)"));
        assertTrue(details.contains("... and 50 more"));
        // Long messages should be truncated with "..."
        assertTrue(details.contains("..."));
    }

    @Test

                }
                truncated = true;
                break;
            }

            documentContent.append(docEntry);
            totalChars += docEntry.length();
        }

        if (logger.isDebugEnabled()) {
            logger.debug("[RAG:ANSWER] generateSummaryResponse. documentContentLength={}, truncated={}", totalChars, truncated);
        }

      val fileBuilder = StringBuilder(key).append('.')
      val truncateTo = fileBuilder.length
      for (i in 0 until valueCount) {
        fileBuilder.append(i)
        cleanFiles += directory / fileBuilder.toString()
        fileBuilder.append(".tmp")
        dirtyFiles += directory / fileBuilder.toString()
        fileBuilder.setLength(truncateTo)
      }
    }

            sb.append("a");
        }
        String longScript = sb.toString();

        String result = activityHelper.normalizeScript(longScript);

        // Should be truncated to 100 characters (97 + "...")
        assertEquals(100, result.length());
        assertTrue(result.endsWith("..."));
    }

    @Test
    public void test_normalizeScript_exactlyMaxLength() {

        }
      }
    }

  override fun peekTrailers(): Headers? {
    if (trailers === TRAILERS_RESPONSE_BODY_TRUNCATED) {
      throw IOException("Trailers cannot be read because the response body was truncated")
    }
    check(state == STATE_READING_RESPONSE_BODY || state == STATE_CLOSED) {
      "Trailers cannot be read because the state is $state"
    }
    return trailers
  }

     *
     * @param msg the assistant chat message
     * @param mode the content mode (full, smart_summary, source_titles, source_titles_and_urls, truncated, none)
     * @param assistantMaxChars the maximum characters for truncated mode
     * @param summaryMaxChars the maximum characters for summary modes
     * @return the content string for history, or null if the message should be excluded
     */

        }

        private static String summarize(String s) {
            if (s == null) return "null";
            String t = s.replace("\n", "\\n");
            if (t.length() > 500) return t.substring(0, 500) + "...(truncated)";
            return t;
        }
    }

    private static ExecResult exec(String... cmd) throws IOException, InterruptedException, ExecutionException {
        Objects.requireNonNull(cmd, "cmd");

     * @param maxDisplayEvents the maximum number of events to display
     * @param maxMessageLength the maximum length of each log message
     * @return the formatted details string with summary header and truncated entries
     */
    protected String formatDetails(final List<LogNotificationEvent> events, final int maxDetailsLength, final int maxDisplayEvents,
            final int maxMessageLength) {

            if (s == null) return "null";
            String t = s.replace("\n", "\\n");
            if (t.length() > 500) {
                return t.substring(0, 500) + "...(truncated)";
            }
            return t;
        }
    }

    private static ExecResult exec(String[] command) throws IOException, InterruptedException, ExecutionException {