feat(admin): upgrade admin console UI widgets, add plan & status management, and redesign system status dashboard

sundynix-gateway/internal/handler/admin.go

@@ -339,6 +339,43 @@ func (h *Handler) AdminSetSharedBilling(c *gin.Context) {
 	c.JSON(http.StatusOK, gin.H{"status": "ok"})
 }
 
+// AdminSetTenantPlan: PUT /api/v1/admin/tenants/:id/plan {plan} —— 改方案等级。
+func (h *Handler) AdminSetTenantPlan(c *gin.Context) {
+	var b struct {
+		Plan string `json:"plan"`
+	}
+	if err := c.ShouldBindJSON(&b); err != nil || strings.TrimSpace(b.Plan) == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "plan 必填"})
+		return
+	}
+	if err := h.db.SetTenantPlan(c.Request.Context(), c.Param("id"), b.Plan); err != nil {
+		c.JSON(http.StatusBadGateway, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{"status": "ok"})
+}
+
+// AdminSetTenantStatus: PUT /api/v1/admin/tenants/:id/status {status} —— 改租户状态（暂停/恢复）。
+func (h *Handler) AdminSetTenantStatus(c *gin.Context) {
+	var b struct {
+		Status string `json:"status"`
+	}
+	if err := c.ShouldBindJSON(&b); err != nil || strings.TrimSpace(b.Status) == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "status 必填"})
+		return
+	}
+	if b.Status != "active" && b.Status != "suspended" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "无效的 status，仅支持 active/suspended"})
+		return
+	}
+	if err := h.db.SetTenantStatus(c.Request.Context(), c.Param("id"), b.Status); err != nil {
+		c.JSON(http.StatusBadGateway, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{"status": "ok"})
+}
+
+
 // AdminMembers: GET /api/v1/admin/tenants/:id/members —— 某租户成员列表。
 func (h *Handler) AdminMembers(c *gin.Context) {
 	rows, err := h.db.ListMembers(c.Request.Context(), c.Param("id"))

sundynix-gateway/internal/router/router.go

@@ -152,6 +152,9 @@ func New(db *store.Postgres, cache *store.Redis, bus *nats.Bus, blobStore *blob.
 			admin.GET("/tenants", h.AdminTenants)                        // 租户目录（成员数+余额）
 			admin.POST("/tenants", h.AdminCreateTenant)                  // 新建租户（可选指定 owner）
 			admin.PUT("/tenants/:id/shared-billing", h.AdminSetSharedBilling) // 共享计费开关
+			admin.PUT("/tenants/:id/plan", h.AdminSetTenantPlan)              // 方案等级
+			admin.PUT("/tenants/:id/status", h.AdminSetTenantStatus)          // 租户状态
+
 			admin.GET("/tenants/:id/members", h.AdminMembers)            // 成员列表
 			admin.POST("/tenants/:id/members", h.AdminAddMember)         // 按邮箱加成员
 			admin.PUT("/tenants/:id/members/:uid", h.AdminSetMemberRole) // 改角色

sundynix-gateway/internal/store/tenant.go

@@ -386,3 +386,20 @@ func (p *Postgres) ResolveBillingTenantID(ctx context.Context, userID, activeTen
 	}
 	return activeTenantID
 }
+
+// SetTenantPlan 更改租户方案等级。
+func (p *Postgres) SetTenantPlan(ctx context.Context, tenantID string, plan string) error {
+	if p.db == nil {
+		return errStoreDisabled
+	}
+	return p.db.WithContext(ctx).Model(&Tenant{}).Where("id = ?", tenantID).Update("plan", plan).Error
+}
+
+// SetTenantStatus 更改租户状态（active / suspended）。
+func (p *Postgres) SetTenantStatus(ctx context.Context, tenantID string, status string) error {
+	if p.db == nil {
+		return errStoreDisabled
+	}
+	return p.db.WithContext(ctx).Model(&Tenant{}).Where("id = ?", tenantID).Update("status", status).Error
+}
+