Introduce DefaultWriteTimeout for WebSocket operations, replace hardcoded timeouts, and upgrade version to v0.4.1.

app/listener.go

@@ -3,15 +3,12 @@ package app
 import (
 	"context"
 	"net/http"
-	"time"
 
 	"github.com/coder/websocket"
 	"lol.mleku.dev/chk"
 	"utils.orly/atomic"
 )
 
-const WriteTimeout = 10 * time.Second
-
 type Listener struct {
 	*Server
 	conn         *websocket.Conn
@@ -31,9 +28,11 @@ func (l *Listener) Ctx() context.Context {
 func (l *Listener) Write(p []byte) (n int, err error) {
 	// Use a separate context with timeout for writes to prevent race conditions
 	// where the main connection context gets cancelled while writing events
-	writeCtx, cancel := context.WithTimeout(context.Background(), WriteTimeout)
+	writeCtx, cancel := context.WithTimeout(
+		context.Background(), DefaultWriteTimeout,
+	)
 	defer cancel()
-	
+
 	if err = l.conn.Write(writeCtx, websocket.MessageText, p); chk.E(err) {
 		return
 	}