public static final String CIPHER_PREFIX = "{cipher}";

    /** System user identifier. */
    public static final String SYSTEM_USER = "system";

    /** Empty user ID placeholder. */
    public static final String EMPTY_USER_ID = "<empty>";

    /** Crawler process command for thread dump. */
    public static final String CRAWLER_PROCESS_COMMAND_THREAD_DUMP = "thread_dump";

                    updatePhase(data.phase, 'active');
                    var phaseMessage = config.labels.phases[data.phase] || data.message || 'Processing...';
                    // Replace __keywords__ placeholder with actual keywords
                    if (data.keywords) {
                        phaseMessage = phaseMessage.replace('__keywords__', data.keywords);
                    }

        return "<user_input>" + escaped + "</user_input>";
    }

    /**
     * Builds the system prompt for intent detection by removing the user-specific placeholders.
     *
     * @return the system prompt for intent detection
     */
    protected String buildIntentDetectionSystemPrompt() {
        final String prompt = resolveLanguageInstruction(

5057;background-color:#fff;border-color:#80bdff;outline:0;box-shadow:0 0 0 .2rem rgba(0,123,255,.25)}.form-control::-webkit-input-placeholder{color:#6c757d;opacity:1}.form-control::-moz-placeholder{color:#6c757d;opacity:1}.form-control:-ms-input-placeholder{color:#6c757d;opacity:1}.form-control::-ms-input-placeholder{color:#6c757d;opacity:1}.form-control::placeholder{color:#6c757d;opacity:1}.form-control:disabled,.form-control[readonly]{background-color:#e9ecef;opacity:1}input[type=date].form-co...

outline: 0;\n  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);\n}\n\n.form-control::-webkit-input-placeholder {\n  color: #6c757d;\n  opacity: 1;\n}\n\n.form-control::-moz-placeholder {\n  color: #6c757d;\n  opacity: 1;\n}\n\n.form-control:-ms-input-placeholder {\n  color: #6c757d;\n  opacity: 1;\n}\n\n.form-control::-ms-input-placeholder {\n  color: #6c757d;\n  opacity: 1;\n}\n\n.form-control::placeholder {\n  color: #6c757d;\n  opacity: 1;\n}\n\n.form-control:disabled, .form-control[readonly] {\n ...

/**
 * Implementation of DBFlute's InvokerAssistant interface for OpenSearch integration.
 * This class provides basic scaffolding for DBFlute behavior invoker assistance,
 * primarily returning null implementations as placeholders for OpenSearch-specific functionality.
 *
 */
public class ImplementedInvokerAssistant implements InvokerAssistant {

    // ===================================================================================

        assertTrue(systemPrompt.contains("user message here"));
        assertTrue(systemPrompt.contains("failed query here"));
        assertTrue(systemPrompt.contains("no_results"));
        // Verify placeholders are replaced
        assertFalse(systemPrompt.contains("{{userMessage}}"));
        assertFalse(systemPrompt.contains("{{failedQuery}}"));
        assertFalse(systemPrompt.contains("{{failureReason}}"));
    }