feat(controller): added copy by server only currently

controller/stream_output.go

@@ -0,0 +1,21 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+
+	socketio "github.com/googollee/go-socket.io"
+)
+
+// streamOutput reads io.Reader line by line and broadcasts
+func streamOutput(r io.Reader, server *socketio.Server, room string) {
+	scanner := bufio.NewScanner(r)
+	for scanner.Scan() {
+		line := scanner.Text()
+		server.BroadcastToRoom("/", room, "buildlogs", line)
+	}
+	if err := scanner.Err(); err != nil {
+		server.BroadcastToRoom("/", room, "buildlogs", fmt.Sprintf("❌ Log stream error: %v", err))
+	}
+}