feat: asciinema recording

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Bug: Asciinema Command Fails with Spaces in Path

The asciinema command fails when the recording file path contains spaces. This occurs because prepareAsciinemaCommand constructs the arguments as a single string using fmt.Sprintf, which is then unsafely split by strings.Fields(). Paths with spaces (common in user home directories) are incorrectly parsed into multiple arguments, leading to asciinema execution failure.

pkg/ttyd.go#L88-L90

shell-now/pkg/ttyd.go

Lines 88 to 90 in b09185e

	// Use asciinema as the main command with -c flag to specify shell to record
	// Format: asciinema rec filename.cast -c shell_command
	return asciinema, fmt.Sprintf("rec %s -c %s", recordingFile, originalCommand), nil

pkg/ttyd.go#L39-L44

shell-now/pkg/ttyd.go

Lines 39 to 44 in b09185e

	} else {
	// Recording with asciinema - split args properly
	argsList := strings.Fields(args)
	ttydArgs := []string{"--writable", "--port", fmt.Sprintf("%d", listenPort), "--credential", fmt.Sprintf("%s:%s", username, password), command}
	ttydArgs = append(ttydArgs, argsList...)
	cmd = exec.CommandContext(ctx, ttydBinary, ttydArgs...)

Fix in Cursor

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