try {
            userService.changePassword(username, form.newPassword);
            saveInfo(messages -> messages.addSuccessChangedPassword(GLOBAL));
        } catch (final Exception e) {
            logger.warn("Failed to change password for {}", username, e);
            throwValidationError(messages -> messages.addErrorsFailedToChangePassword(GLOBAL), toIndexPage);
        }
        return redirect(getClass());
    }

.message-content p {
    margin: 0.5rem 0;
}

.message-content p:first-child {
    margin-top: 0;
}

.message-content p:last-child {
    margin-bottom: 0;
}

/* Headings in messages */
.message-content h1, .message-content h2, .message-content h3,
.message-content h4, .message-content h5, .message-content h6 {
    margin: 0.75rem 0 0.375rem; font-weight: 600; line-height: 1.3; color: #172b4d;
}

constraints.ScriptAssert.message = Ekspresi script "{script}" tidak benar.
constraints.URL.message = {item} bukan URL yang valid.
constraints.Required.message = {item} wajib diisi.
constraints.TypeInteger.message = {item} harus berupa angka.
constraints.TypeLong.message = {item} harus berupa angka.
constraints.TypeFloat.message = {item} harus berupa angka.
constraints.TypeDouble.message = {item} harus berupa angka.

├── fess_label.properties           # Base English labels (fallback)
├── fess_label_[locale].properties  # Language-specific labels (~1,056 lines)
├── fess_message.properties         # Base English messages (fallback)
└── fess_message_[locale].properties # Language-specific messages (~200 lines)
```

### Naming Convention

- **Language only**: `fess_label_en.properties`, `fess_label_ja.properties`

constraints.ScriptAssert.message = The script expression "{script}" is not true.
constraints.URL.message = {item} is not a valid URL.
constraints.Required.message = {item} is required.
constraints.TypeInteger.message = {item} must be a number.
constraints.TypeLong.message = {item} must be a number.
constraints.TypeFloat.message = {item} must be a number.
constraints.TypeDouble.message = {item} must be a number.

constraints.ScriptAssert.message = The script expression "{script}" is not true.
constraints.URL.message = {item} is not a valid URL.
constraints.Required.message = {item} is required.
constraints.TypeInteger.message = {item} must be a number.
constraints.TypeLong.message = {item} must be a number.
constraints.TypeFloat.message = {item} must be a number.
constraints.TypeDouble.message = {item} must be a number.

    /** The unique identifier for this message. */
    private String id;

    /** The role of the message sender (user or assistant). */
    private String role;

    /** The content of the message. */
    private String content;

    /** The timestamp when the message was created. */
    private LocalDateTime timestamp;

    /** The list of sources referenced in this message. */
    private List<ChatSource> sources;

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

    /**

                logger.warn("Failed to process a request.", e);
                throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
            }
            return entity;
        }).orElseGet(() -> {
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));
            return null;
        });

        assertEquals("Should have one type parameter", 1, typeParameters.length);
        assertEquals("Type parameter should be MESSAGES", "MESSAGES", typeParameters[0].getName());
    }

    @Test
    public void test_packageStructure() {
        final Package pkg = FessActionValidator.class.getPackage();