add docker hot update management

internal/handler/routes_admin.go

@@ -79,6 +79,9 @@ func registerAdminDownloadClientRoutes(admin *gin.RouterGroup, svc *service.Cont
 
 func registerAdminSystemRoutes(admin *gin.RouterGroup, svc *service.Container) {
 	admin.POST("/system/scheduler/:name/trigger", schedulerTriggerHandler(svc))
+	admin.GET("/system/update", systemUpdateStatusHandler(svc))
+	admin.POST("/system/update/check", systemUpdateCheckHandler(svc))
+	admin.POST("/system/update/apply", systemUpdateApplyHandler(svc))
 }
 
 func registerAdminBackupRoutes(admin *gin.RouterGroup, svc *service.Container) {

internal/handler/system_extra.go

@@ -131,6 +131,15 @@ func schemaHandler(_ *service.Container) gin.HandlerFunc {
 						{"key": "license.hmac_secret", "type": "text", "label": "HMAC 签名密钥（旧版兼容）"},
 					},
 				},
+				{
+					"key":   "system-update",
+					"label": "系统更新",
+					"items": []gin.H{
+						{"key": "system.update.image", "type": "text", "label": "应用镜像"},
+						{"key": "system.update.watchtower_image", "type": "text", "label": "Watchtower 镜像"},
+						{"key": "system.update.command", "type": "textarea", "label": "自定义更新命令"},
+					},
+				},
 			},
 		})
 	}

internal/handler/system_update.go

@@ -0,0 +1,49 @@
+package handler
+
+import (
+	"errors"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+func systemUpdateStatusHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		if svc.SystemUpdate == nil {
+			c.JSON(http.StatusServiceUnavailable, gin.H{"error": "system update service unavailable"})
+			return
+		}
+		c.JSON(http.StatusOK, svc.SystemUpdate.Status(c.Request.Context()))
+	}
+}
+
+func systemUpdateCheckHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		if svc.SystemUpdate == nil {
+			c.JSON(http.StatusServiceUnavailable, gin.H{"error": "system update service unavailable"})
+			return
+		}
+		c.JSON(http.StatusOK, svc.SystemUpdate.Check(c.Request.Context()))
+	}
+}
+
+func systemUpdateApplyHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		if svc.SystemUpdate == nil {
+			c.JSON(http.StatusServiceUnavailable, gin.H{"error": "system update service unavailable"})
+			return
+		}
+		status, err := svc.SystemUpdate.Apply(c.Request.Context())
+		if err != nil {
+			if errors.Is(err, service.ErrSystemUpdateRunning) {
+				c.JSON(http.StatusConflict, gin.H{"error": err.Error(), "status": status})
+				return
+			}
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error(), "status": status})
+			return
+		}
+		c.JSON(http.StatusAccepted, status)
+	}
+}