feat(gateway): 迁移 manage-gateway 模块配置与测试（任务 T3.2）

- 替换 application*.yml 配置文件，适配应用名 novalon-manage-gateway
- 删除并复制测试文件，替换包名 cn.novalon.gym.manage → cn.novalon.manage
- 替换测试配置 application-test.yml
- 编译验证通过

novalon-manage-api/manage-gateway/src/main/resources/application-dev.yml

@@ -7,6 +7,18 @@ spring:
           predicates:
             - Path=/api/**
 
+jwt:
+  secret: novalon-novalon-manage-jwt-secret-key-for-development-only-2026
+  expiration: 86400000
+
+signature:
+  enabled: false
+
+resilience:
+  timeout:
+    enabled: true
+    duration: 10s
+
 logging:
   level:
     org.springframework.cloud.gateway: TRACE

novalon-manage-api/manage-gateway/src/main/resources/application.yml

@@ -5,7 +5,7 @@ spring:
   codec:
     max-in-memory-size: 10MB
   application:
-    name: manage-gateway
+    name: novalon-manage-gateway
   cloud:
     gateway:
       routes:
@@ -146,4 +146,4 @@ management:
 logging:
   level:
     cn.novalon.manage: DEBUG
-    org.springframework.cloud.gateway: DEBUG
+    org.springframework.cloud.gateway: DEBUG