feat: update knowledge base processing to use KnowledgeBase object and enhance configuration (#46)

* feat: update knowledge base processing to use KnowledgeBase object and enhance configuration

backend/pom.xml

@@ -75,6 +75,13 @@
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
+            <dependency>
+                <groupId>com.google.protobuf</groupId>
+                <artifactId>protobuf-bom</artifactId>
+                <version>3.25.5</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
             <dependency>
                 <groupId>org.springframework.cloud</groupId>
                 <artifactId>spring-cloud-dependencies</artifactId>
@@ -165,12 +172,6 @@
             </exclusions>
         </dependency>
 
-        <dependency>
-          <groupId>org.springframework.ai</groupId>
-          <artifactId>spring-ai-starter-mcp-server-webmvc</artifactId>
-          <version>${spring-ai.version}</version>
-        </dependency>
-
         <dependency>
             <groupId>com.baomidou</groupId>
             <artifactId>mybatis-plus-spring-boot3-starter</artifactId>