feat(backend): Improve authorization governance and video interactions

backend/video-auth/src/main/java/com/nuaa/video/auth/controller/AdminAuthController.java

@@ -1,5 +1,6 @@
 package com.nuaa.video.auth.controller;
 
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.nuaa.video.auth.entity.AuthUser;
 import com.nuaa.video.auth.service.AuthUserService;
@@ -10,6 +11,9 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.List;
+import java.util.stream.Collectors;
+
 /**
  * 认证管理控制器 - 供管理后台调用
  */
@@ -63,6 +67,26 @@ public class AdminAuthController {
         return authUserService.lockUser(userId, locked);
     }
 
+    /**
+     * 按账号状态查询用户ID - 管理接口
+     */
+    @GetMapping("/user-ids/status/{status}")
+    public Result<List<Long>> getUserIdsByStatus(
+            @PathVariable Integer status,
+            HttpServletRequest request) {
+        if (!isInternalRequest(request)) {
+            return Result.error("非法的内部调用");
+        }
+
+        List<Long> userIds = authUserService.list(new LambdaQueryWrapper<AuthUser>()
+                        .select(AuthUser::getId)
+                        .eq(AuthUser::getStatus, status))
+                .stream()
+                .map(AuthUser::getId)
+                .collect(Collectors.toList());
+        return Result.success(userIds);
+    }
+
     private boolean isInternalRequest(HttpServletRequest request) {
         return internalServiceToken.equals(request.getHeader("X-Internal-Token"));
     }