forcetypeassert 6→0（缓存 list 断言、relay/flared 中间件契约断言、图片压缩 flight 断言，全部带检查+安全失败路径）；errname 1→0；prealloc 2 处（另 1 处与 repo mnd 冲突，用命名常量解决）。nilnil 保留（not-found/可选结果惯例，含接口契约注释）。

Result: {"status":"keep","total_issues":15,"golint_canonicalheader":0,"golint_errname":0,"golint_errorlint":1,"golint_forcetypeassert":0,"golint_gosec":0,"golint_intrange":0,"golint_modernize":3,"golint_nilnil":3,"golint_perfsprint":0,"golint_prealloc":0,"golint_recvcheck":7,"golint_usestdlibvars":0,"golint_wastedassign":0,"golint_total":14,"eslint_problems":1,"eslint_errors":0,"eslint_warnings":1,"tsc_errors":0,"measure_s":43}

internal/apps/openflare/flared/routers.go

@@ -37,7 +37,11 @@ func PostHeartbeat(c *gin.Context) {
 		response.AbortUnauthorized(c, errTunnelTokenInvalid)
 		return
 	}
-	node := authNode.(*model.OpenFlareNode)
+	node, ok := authNode.(*model.OpenFlareNode)
+	if !ok {
+		response.AbortUnauthorized(c, errTunnelTokenInvalid)
+		return
+	}
 
 	result, err := Heartbeat(c.Request.Context(), node, payload)
 	if apiutil.AbortBadRequestOnError(c, err) {
@@ -63,7 +67,11 @@ func GetActiveConfig(c *gin.Context) {
 		response.AbortUnauthorized(c, errTunnelTokenInvalid)
 		return
 	}
-	node := authNode.(*model.OpenFlareNode)
+	node, ok := authNode.(*model.OpenFlareNode)
+	if !ok {
+		response.AbortUnauthorized(c, errTunnelTokenInvalid)
+		return
+	}
 
 	config, err := GetTunnelConfig(c.Request.Context(), node)
 	if apiutil.AbortBadRequestOnError(c, err) {
@@ -91,7 +99,9 @@ func PostApplyLog(c *gin.Context) {
 		return
 	}
 	if authNode, ok := c.Get(ctxFlaredNodeKey); ok {
-		payload.NodeID = authNode.(*model.OpenFlareNode).NodeID
+		if node, ok := authNode.(*model.OpenFlareNode); ok {
+			payload.NodeID = node.NodeID
+		}
 	}
 
 	log, err := ReportApplyLog(c.Request.Context(), payload)
@@ -115,6 +125,10 @@ func GetWebSocket(c *gin.Context) {
 		response.AbortUnauthorized(c, errTunnelTokenInvalid)
 		return
 	}
-	node := authNode.(*model.OpenFlareNode)
+	node, ok := authNode.(*model.OpenFlareNode)
+	if !ok {
+		response.AbortUnauthorized(c, errTunnelTokenInvalid)
+		return
+	}
 	ofws.ServeFlared(c, node.NodeID)
 }