Clean project layout and fix release workflow

internal/app/discord_mute.go

@@ -54,6 +54,41 @@ func handleDiscordSend(state *discordMuteState, args []osc.Value) error {
 	return nil
 }
 
+func unmuteDiscordIfMuted(state *discordMuteState, source string) error {
+	if state == nil {
+		return fmt.Errorf("discord state is nil")
+	}
+	state.mu.Lock()
+	defer state.mu.Unlock()
+
+	if !state.muted {
+		log.Printf("INFO %s requested Discord unmute but already unmuted", source)
+		SetDiscordAction("already_unmuted")
+		SetDiscordSource(source)
+		return nil
+	}
+
+	now := time.Now()
+	if !state.lastAction.IsZero() && now.Sub(state.lastAction) < discordDebounce {
+		return nil
+	}
+
+	log.Printf("ACTION %s -> Discord unmute hotkey", source)
+	if err := pressDiscordMuteHotkey(); err != nil {
+		log.Printf("discord unmute hotkey failed: %v", err)
+		SetDiscordAction("hotkey_failed")
+		SetDiscordSource(source + "_error")
+		state.lastAction = now
+		return err
+	}
+	state.muted = false
+	state.lastAction = now
+	SetDiscordMuted(false)
+	SetDiscordAction("unmuted")
+	SetDiscordSource(source)
+	return nil
+}
+
 func toBool(v osc.Value) (bool, error) {
 	switch v.Type {
 	case 'T':