fix(billing): 新增知识图谱构

1. 从非结构化文本中自动抽取实体和关系
2. 构建和管理知识图谱
3. 基于图谱的检索增强生成（GraphRAG）
4. 交互式图谱可视化

pom.xml

@@ -50,6 +50,11 @@
         <aliyun.sms.version>2.0.23</aliyun.sms.version>
         <tencent.sms.version>3.1.687</tencent.sms.version>
 
+        <!-- Neo4j 相关版本 -->
+        <neo4j-driver.version>5.26.0</neo4j-driver.version>
+        <neo4j-cypher-dsl.version>2024.1.0</neo4j-cypher-dsl.version>
+        <langchain4j-neo4j.version>1.2.0-beta8</langchain4j-neo4j.version>
+
         <!-- 插件版本 -->
         <maven-jar-plugin.version>3.2.2</maven-jar-plugin.version>
         <maven-war-plugin.version>3.2.2</maven-war-plugin.version>
@@ -341,6 +346,33 @@
                 <artifactId>ruoyi-generator</artifactId>
                 <version>${revision}</version>
             </dependency>
+
+            <dependency>
+                <groupId>org.ruoyi</groupId>
+                <artifactId>ruoyi-graph</artifactId>
+                <version>${revision}</version>
+            </dependency>
+
+            <!-- Neo4j Driver -->
+            <dependency>
+                <groupId>org.neo4j.driver</groupId>
+                <artifactId>neo4j-java-driver</artifactId>
+                <version>${neo4j-driver.version}</version>
+            </dependency>
+
+            <!-- Neo4j Cypher DSL -->
+            <dependency>
+                <groupId>org.neo4j</groupId>
+                <artifactId>neo4j-cypher-dsl</artifactId>
+                <version>${neo4j-cypher-dsl.version}</version>
+            </dependency>
+
+            <!-- Langchain4j Neo4j 扩展 -->
+            <dependency>
+                <groupId>dev.langchain4j</groupId>
+                <artifactId>langchain4j-community-neo4j</artifactId>
+                <version>${langchain4j-neo4j.version}</version>
+            </dependency>
         </dependencies>
     </dependencyManagement>