Del: Update

internal/model/message.go

@@ -1,23 +0,0 @@
-package model
-
-// MessageSeverity classifies the severity of a system message.
-type MessageSeverity int
-
-const (
-	// SeverityNone means no message is active.
-	SeverityNone MessageSeverity = iota
-	SeverityWarning
-	SeverityError
-	SeverityInfo
-)
-
-// SystemMessage represents an optional system-level status message.
-type SystemMessage struct {
-	Severity MessageSeverity
-	Text     string
-}
-
-// IsVisible returns true when there is an active message to display.
-func (m *SystemMessage) IsVisible() bool {
-	return m != nil && m.Severity != SeverityNone && m.Text != ""
-}