recycle json decoder

do.go

@@ -5,7 +5,7 @@ import (
 	"fmt"
 )
 
-func (c *Client) Action(action Action) error {
+func (c *Client) DoAction(action Action) error {
 	// print request and response to console:
 	//
 	// io.Copy(os.Stdout, asJsonReader(action))

model_output.go

@@ -2,7 +2,7 @@ package niri
 
 import "encoding/json"
 
-type OutputName string
+type OutputName = string
 
 type Output struct {
 	Name         OutputName    `json:"name"`

model_workspace.go

@@ -7,7 +7,7 @@ type WorkspaceID int
 type Workspace struct {
 	ID             WorkspaceID `json:"id"`
 	Name           string      `json:"name"`
-	Output         string      `json:"output"`
+	Output         OutputName  `json:"output"`
 	Urgent         bool        `json:"is_urgent"`
 	Active         bool        `json:"is_active"`
 	Focused        bool        `json:"is_focused"`

utils.go

@@ -77,9 +77,11 @@ func readSocketGeneric[T any](ctx context.Context, socket string, body io.Reader
 		defer close(out)
 		defer r.Close()
 
+		dec := json.NewDecoder(r)
+
 		for ctx.Err() == nil {
 			value := new(T)
-			if err := json.NewDecoder(r).Decode(value); err != nil {
+			if err := dec.Decode(value); err != nil {
 				if errors.Is(err, io.EOF) {
 					return
 				} else {