* @return exit code of the destroyed process, or -1 if the process was not found
     */
    public synchronized int destroyProcess(final String sessionId) {
        final JobProcess jobProcess = runningProcessMap.remove(sessionId);
        return destroyProcess(sessionId, jobProcess);
    }

    /**
     * Checks if any processes are currently running.
     *

        }
        resultBuf.append("Session Id: ").append(sessionId).append("\n");
        if (jobExecutor != null) {
            jobExecutor.addShutdownListener(() -> ComponentUtil.getProcessHelper().destroyProcess(sessionId));
        }

        final TimeoutTask timeoutTask = createTimeoutTask();
        try {
            executePython();
        } catch (final Exception e) {

        }
        return TimeoutManager.getInstance().addTimeoutTarget(() -> {
            logger.warn("Process terminated: timeout={}s exceeded", timeout);
            ComponentUtil.getProcessHelper().destroyProcess(sessionId);
            processTimeout = true;
        }, timeout, false);
    }

    /**
     * Creates and stores system properties to the specified file.

            }
            resultBuf.append('\n');
        }

        if (jobExecutor != null) {
            jobExecutor.addShutdownListener(() -> ComponentUtil.getProcessHelper().destroyProcess(sessionId));
        }

        final TimeoutTask timeoutTask = createTimeoutTask();
        try {
            executeCrawler();
            ComponentUtil.getKeyMatchHelper().update();

                // Mock update
            }
        }, "keyMatchHelper");

        ComponentUtil.register(new ProcessHelper() {
            @Override
            public int destroyProcess(String sessionId) {
                // Mock destroy
                return 0;
            }
        }, "processHelper");

        crawlJob.jobExecutor(mockJobExecutor);

            // Since echo commands complete quickly, we may not catch them running
            // Just verify no exceptions occurred

            // Clean up
            processHelper.destroyProcess(sessionId1);
            processHelper.destroyProcess(sessionId2);

            // Test passes if no exceptions thrown
            assertTrue(true);
        } catch (Exception e) {
            fail("Unexpected exception: " + e.getMessage());

                return tempDir.getAbsolutePath();
            }
        }, "systemHelper");

        ComponentUtil.register(new ProcessHelper() {
            @Override
            public int destroyProcess(String sessionId) {
                // Mock implementation
                return 0;
            }
        }, "processHelper");

        ComponentUtil.register(new JobHelper() {
            @Override