<property name="webinf.dir" value="${basedir}/src/main/webapp/WEB-INF" />
	<property name="crawler.dir" value="${basedir}/src/main/webapp/WEB-INF/env/crawler" />
	<property name="suggest.dir" value="${basedir}/src/main/webapp/WEB-INF/env/suggest" />
	<property name="thumbnail.dir" value="${basedir}/src/main/webapp/WEB-INF/env/thumbnail" />
	<property name="site.dir" value="${basedir}/src/main/webapp/WEB-INF/site" />
	<property name="kopf.branch" value="main" />

        /** Ingest processor plugins */
        INGEST("fess-ingest"), //
        /** Script plugins */
        SCRIPT("fess-script"), //
        /** Web application plugins */
        WEBAPP("fess-webapp"), //
        /** Thumbnail generator plugins */
        THUMBNAIL("fess-thumbnail"), //
        /** Crawler plugins */
        CRAWLER("fess-crawler"), //
        /** Unknown/generic JAR files */

├── 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
```

## DBFlute Code Generation

DBFlute generates type-safe data access code for OpenSearch indices:

```bash
mvn dbflute:freegen
```

Generated code:

set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Dfess.es.dir="%SEARCH_ENGINE_HOME%"
set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Dfess.context.path=/
set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Dfess.port=8080
set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Dfess.webapp.path=%FESS_HOME%\app
set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Dfess.temp.path=%FESS_HOME%\temp
set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Dfess.log.name=%APP_NAME%
set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Dfess.log.path=%FESS_HOME%\logs

fi
FESS_JAVA_OPTS="$FESS_JAVA_OPTS -Dfess.home=$FESS_HOME"
FESS_JAVA_OPTS="$FESS_JAVA_OPTS -Dfess.context.path=$FESS_CONTEXT_PATH"
FESS_JAVA_OPTS="$FESS_JAVA_OPTS -Dfess.port=$FESS_PORT"
FESS_JAVA_OPTS="$FESS_JAVA_OPTS -Dfess.webapp.path=$FESS_HOME/app"
FESS_JAVA_OPTS="$FESS_JAVA_OPTS -Dfess.temp.path=$FESS_TEMP_PATH"
FESS_JAVA_OPTS="$FESS_JAVA_OPTS -Dfess.log.name=$APP_NAME"
FESS_JAVA_OPTS="$FESS_JAVA_OPTS -Dfess.log.path=$FESS_LOG_PATH"

						<exclude>**/*min.js</exclude>
						<exclude>**/*min.css</exclude>
						<exclude>**/plugins/**/*.js</exclude>
						<exclude>**/WEB-INF/site/**</exclude>
					</excludes>
					<sourceDirectory>src/main/webapp/js</sourceDirectory>
				</configuration>
			</plugin>
			<plugin>
				<groupId>org.dbflute</groupId>
				<artifactId>dbflute-maven-plugin</artifactId>
				<configuration>