fix(NET-1280): remove RAG metadata length restriction (#2990)

controllers/node.go

@@ -636,10 +636,6 @@ func updateNode(w http.ResponseWriter, r *http.Request) {
 		logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
 		return
 	}
-	if len(newData.Metadata) > 255 {
-		logic.ReturnErrorResponse(w, r, logic.FormatError(fmt.Errorf("metadata cannot be longer than 255 characters"), "badrequest"))
-		return
-	}
 	if !servercfg.IsPro {
 		newData.AdditionalRagIps = []string{}
 	}

models/api_node.go

@@ -36,7 +36,7 @@ type ApiNode struct {
 	Server                  string   `json:"server"`
 	Connected               bool     `json:"connected"`
 	PendingDelete           bool     `json:"pendingdelete"`
-	Metadata                string   `json:"metadata" validate:"max=256"`
+	Metadata                string   `json:"metadata"`
 	// == PRO ==
 	DefaultACL        string              `json:"defaultacl,omitempty" validate:"checkyesornoorunset"`
 	IsFailOver        bool                `json:"is_fail_over"`