fix: custom.inflow 컴포넌트 스캔 추가 및 /manage/* FrontFilter 등록

- authserver-servlet.xml: com.eactive.eai.custom.inflow 패키지 component-scan 추가
  (ClientInflowTargetBucketController/MetricController 빈 등록)
- web.xml: FrontFilter url-pattern에 /manage/* 추가

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

WebContent/WEB-INF/authserver-servlet.xml

@@ -25,6 +25,9 @@
 		base-package="com.eactive.eai.adapter" />
 	<context:component-scan
 		base-package="com.eactive.eai.manage" />
+	<context:component-scan
+		base-package="com.eactive.eai.custom.inflow" />
+	
 	<context:annotation-config />
 	<mvc:annotation-driven />
 	<mvc:default-servlet-handler />

WebContent/WEB-INF/web.xml

@@ -19,6 +19,7 @@
         <url-pattern>/agent/*</url-pattern>
         <url-pattern>/common/*</url-pattern>
         <url-pattern>/management/*</url-pattern>
+        <url-pattern>/manage/*</url-pattern>
         <url-pattern>/mgr/*</url-pattern>        
     </filter-mapping>