logger.debug("PrefixQuery: query={}, boost={}", query, boost);
            }
            return convertPrefixQuery(context, prefixQuery, boost);
        }
        throw new InvalidQueryException(messages -> messages.addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY),
                "Unknown q: " + query.getClass() + " => " + query);
    }

    /**
     * Converts a prefix query to a query builder.
     *

# Javax Validator
# ---------------
constraints.AssertFalse.message = {item}는 false여야 합니다.
constraints.AssertTrue.message = {item}는 true여야 합니다.
constraints.DecimalMax.message = {item}는 {value}보다 작아야 합니다.
constraints.DecimalMin.message = {item}는 {value}보다 커야 합니다.
constraints.Digits.message = {item}는 숫자여야 합니다. (기대값: <숫자>.<숫자>)
constraints.Future.message = {item}는 미래의 값이어야 합니다.
constraints.Max.message = {item}는 {value} 이하여야 합니다.

constraints.NotEmpty.message = {item} は未入力です。
constraints.ParametersScriptAssert.message = スクリプト式「{script}」がtrueではありません。
constraints.Range.message = {item} は {min} から {max} の範囲にある必要があります。
constraints.SafeHtml.message = {item} は危険な HTML コンテンツを含んでいます。
constraints.ScriptAssert.message = スクリプト式「{script}」がtrueではありません。
constraints.URL.message = {item} は有効なURLではありません。
constraints.Required.message = {item} が必要です。

        validateApi(body, messages -> {});
        if (body.documents == null) {
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, "documents is required."));
        }
        if (body.documents.isEmpty()) {
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, "documents is empty."));
        }

                throw new InvalidQueryException(messages -> messages.addErrorsInvalidQuerySortValue(UserMessages.GLOBAL_PROPERTY_KEY, text),
                        "Invalid sort field: " + termQuery);
            }
            final String sortField = values[0];
            if (!getQueryFieldConfig().isSortField(sortField)) {
                throw new InvalidQueryException(

├── app.xml, fess.xml          # DI configuration
├── fess_*.xml                 # Feature-specific DI
├── fess_label_*.properties    # UI labels (i18n)
├── fess_message_*.properties  # Validation messages (i18n)
└── fess_indices/              # OpenSearch index mappings

src/main/webapp/WEB-INF/view/  # JSP templates
src/test/java/.../it/          # Integration tests (*Tests.java)
```

## Architecture Patterns

                throw new SsoMessageException(
                        messages -> messages.addErrorsFailedToProcessSsoRequest(UserMessages.GLOBAL_PROPERTY_KEY, e.getMessage()),
                        "Failed to process metadata.", e);
            }
        })
                .orElseThrow(() -> new SsoMessageException(
                        messages -> messages.addErrorsFailedToProcessSsoRequest(UserMessages.GLOBAL_PROPERTY_KEY, "Invalid state."),

        String details = testableJob.testFormatDetails(events);

        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

                throwValidationError(messages -> {
                    addPasswordValidationError(messages, validationError);
                }, validationErrorLambda);
            }
        }
    }

    /**
     * Adds a password validation error message to the messages object based on the error key.
     *
     * @param messages the FessMessages object to add the error to

        }

        final String message = request.getParameter("message");
        final String sessionId = request.getParameter("sessionId");

        if (logger.isDebugEnabled()) {
            logger.debug("Processing stream request. sessionId={}, messageLength={}", sessionId, message != null ? message.length() : 0);
        }

        if (StringUtil.isBlank(message)) {
            if (logger.isDebugEnabled()) {