refactor(plugins): restructure admin and message_gateway into standard layered sub-packages

backend/plugins/domain/admin/handler/status.go

@@ -0,0 +1,41 @@
+// Copyright 2026 Arctel.net
+// SPDX-License-Identifier: Apache-2.0
+
+package handler
+
+import (
+	"Wavelet/pkg/response"
+	"Wavelet/plugins/domain/admin/service"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+// GetSystemStatus 获取系统状态信息
+// @Summary 获取系统状态信息
+// @Description 获取后端服务运行状态、Goroutine、内存指标等详细统计数据，需要管理员权限
+// @Tags admin
+// @Produce json
+// @Security SessionCookie
+// @Success 200 {object} response.Any{data=model.SystemStatusResponse} "获取成功"
+// @Failure 401 {object} response.Any "未登录"
+// @Failure 403 {object} response.Any "无管理员权限"
+// @Router /api/v1/admin/status [get]
+func GetSystemStatus(c *gin.Context) {
+	c.JSON(http.StatusOK, response.OK(service.CollectSystemStatus()))
+}
+
+// GetLogDatabaseStatus 返回当前日志库状态。
+// @Summary 获取日志数据库状态
+// @Description 返回当前日志主库、迁移状态、各库保留天数与合法迁移目标，需要管理员权限
+// @Tags admin
+// @Produce json
+// @Security SessionCookie
+// @Success 200 {object} response.Any{data=model.LogDatabaseStatus} "获取成功"
+// @Failure 401 {object} response.Any "未登录"
+// @Failure 403 {object} response.Any "无管理员权限"
+// @Failure 500 {object} response.Any "内部错误"
+// @Router /api/v1/admin/status/log-database [get]
+func GetLogDatabaseStatus(c *gin.Context) {
+	c.JSON(http.StatusOK, response.OK(service.LogDatabaseStatus(c.Request.Context())))
+}