清除教师不存在的组

src/main/java/com/yunhai/bschclassmanage/config/SwaggerConfig.java

@@ -0,0 +1,26 @@
+package com.yunhai.bschclassmanage.config;
+
+import io.swagger.v3.oas.models.OpenAPI;
+import io.swagger.v3.oas.models.info.Info;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+/**
+ * SpringDoc configuration for the class management service.
+ * The application exposes OpenAPI JSON and Swagger UI endpoints.
+ */
+@Configuration
+public class SwaggerConfig {
+    /**
+     * Registers the metadata shown in the generated API documentation.
+     *
+     * @return OpenAPI metadata for this application
+     */
+    @Bean
+    public OpenAPI bschClassOpenAPI() {
+        return new OpenAPI().info(new Info()
+                .title("BschClass OpenAPI") // Documentation title
+                .description("School, class, teacher and student management APIs") // Documentation description
+                .version("1.0.0")); // Documentation version
+    }
+}