prediction: split out maintenance (and thereby the logging interface) of the UI conversation to a separate task, so log::* can work in realtime.

src/ui.rs

@@ -26,7 +26,8 @@ pub struct Ui {
     transcription: TranscriptionControl,
     audio: AudioInputControl,
     tts: TtsControl,
-    predictions: SessionControl
+    predictions: SessionControl,
+    conversation: Vec<ConversationEntry>
 }
 
 #[derive(Debug)]
@@ -51,7 +52,8 @@ impl Ui {
             focus_state: FocusState::UserInput,
             tts,
             predictions,
-            last_tick: Instant::now()
+            last_tick: Instant::now(),
+            conversation: vec![]
         }
     }
 
@@ -114,7 +116,7 @@ impl Ui {
             .constraints([Constraint::Fill(4), Constraint::Fill(1)])
             .split(layout[0]);
 
-        frame.render_stateful_widget(Conversation(self.scene.conversation()), scene_layout[0], &mut self.conversation_state);
+        frame.render_stateful_widget(Conversation(&self.conversation), scene_layout[0], &mut self.conversation_state);
         self.draw_narration(frame, scene_layout[1]);
         self.draw_options(frame, layout[1]);
 
@@ -198,7 +200,7 @@ impl Ui {
                         KeyCode::Up => self.conversation_state.select_next(),
                         KeyCode::Enter => {
                             let row_num = self.conversation_state.selected().unwrap();
-                            if let ConversationEntry::Eva(text) = &self.scene.conversation()[self.scene.conversation().len() - 1 - row_num] {
+                            if let ConversationEntry::Eva(text) = &self.conversation[self.conversation.len() - 1 - row_num] {
                                 self.tts.speak(text.clone()).await;
                                 self.focus_state = FocusState::UserInput;
                                 self.conversation_state.select(None);
@@ -264,7 +266,10 @@ impl Ui {
                     SessionUpdate::Scene(scene) => {
                         self.scene = scene;
                         self.reply_state.select_first();
-                    }
+                    },
+                    SessionUpdate::Conversation(conversation) => {
+                        self.conversation = conversation;
+                    },
                 }
             },
             next_volume = self.audio.next() => {