fixed reading icon

Author: Xpitfire

singularity/AppModel.swift

@@ -4499,6 +4499,7 @@ table{border-collapse:collapse;width:100%;} th,td{border:1px solid rgba(127,127,
         // If a player exists, never rebuild or switch URLs here — just toggle.
         if let p = ttsPlayer {
             if p.isPlaying { pauseTTS(); updateNowPlaying(); return }
+            if (ttsSourceText == nil || (ttsSourceText?.isEmpty ?? true)) { ttsSourceText = text }
             p.play(); isSpeakingTTS = true; startTTSTimer(); updateNowPlaying(); return
         }
         // No player yet — prepare from cached or generated audio
@@ -4688,6 +4689,10 @@ table{border-collapse:collapse;width:100%;} th,td{border:1px solid rgba(127,127,
                     p.enableRate = true
                     self.applyTTSRate()
                 }
+                // Ensure source text is present for line highlighting
+                if (self.ttsSourceText == nil || (self.ttsSourceText?.isEmpty ?? true)) {
+                    self.ttsSourceText = self.conversation.last(where: { $0.role == .assistant })?.text ?? self.resultText
+                }
                 self.restoreSavedPositionIfAny()
                 self.ttsPlayer?.play()
                 self.isSpeakingTTS = true
@@ -4837,6 +4842,10 @@ table{border-collapse:collapse;width:100%;} th,td{border:1px solid rgba(127,127,
                 self.applyTTSRate()
                 self.multiTTS = self.buildMultiStateIfAny(startURL: url)
                 if let m = self.multiTTS { self.ttsDuration = m.partDurations.reduce(0, +) } else { self.ttsDuration = p.duration }
+                // Ensure source text exists for highlighting
+                if (self.ttsSourceText == nil || (self.ttsSourceText?.isEmpty ?? true)) {
+                    self.ttsSourceText = self.conversation.last(where: { $0.role == .assistant })?.text ?? self.resultText
+                }
                 self.restoreSavedPositionIfAny()
                 if autoPlay { p.play(); self.isSpeakingTTS = true; self.startTTSTimer() } else { self.isSpeakingTTS = false }
             }