add root readme

cht/window.py

@@ -18,6 +18,7 @@ from cht.ui.monitor import MonitorWidget
 from cht.ui.waveform import WaveformWidget
 from cht.ui.frames_panel import FramesPanel
 from cht.ui.transcript_panel import TranscriptPanel
+from cht.ui.summary_panel import SummaryPanel
 from cht.ui.keyboard import KeyboardManager, KEY_LEFT, KEY_RIGHT, KEY_UP, KEY_DOWN, KEY_RETURN, KEY_KP_ENTER, KEY_ESCAPE, KEY_DELETE
 from cht.ui.agent_output import AgentOutputPanel
 from cht.ui.agent_input import AgentInputPanel
@@ -261,6 +262,9 @@ class ChtWindow(Adw.ApplicationWindow):
         self._update_scrub_bar_manifest()
         self._populate_model_dropdown()
 
+        self._summary_panel.bind_session(mgr.session_dir)
+        self._summary_panel.set_streaming(False)
+
         # Show "Continue" since there's an active session to resume
         self._connect_btn.set_label("Continue")
 
@@ -328,6 +332,11 @@ class ChtWindow(Adw.ApplicationWindow):
                 self._agent_output.load_thread(self._agent.thread)
 
         self.set_title(f"{APP_NAME} — {mgr.session_id}")
+
+        self._summary_panel.bind_session(None)
+        self._summary_panel.set_streaming(True)
+        self._right_stack.set_visible_child_name("live")
+
         log.info("Waiting for sender...")
 
     def _on_live_toggle(self):
@@ -513,6 +522,7 @@ class ChtWindow(Adw.ApplicationWindow):
             # Stop live player before transitioning to review mode
             self._monitor.reset()
             self._load_session(last_session_id)
+            self._right_stack.set_visible_child_name("summary")
             return
 
         # Full reset — only when not reloading
@@ -527,6 +537,8 @@ class ChtWindow(Adw.ApplicationWindow):
         self._known_frames = set()
         self._frames_panel.clear()
         self._transcript_panel.clear()
+        self._summary_panel.bind_session(None)
+        self._right_stack.set_visible_child_name("live")
         self.set_title(APP_NAME)
 
     def _on_close(self, *args):
@@ -568,17 +580,21 @@ class ChtWindow(Adw.ApplicationWindow):
         self._timeline_controls.scrub_bar.connect("scrub-position", self._on_scrub_position)
         right_box.append(self._timeline_controls)
 
-        # Frames
+        # ViewStack: Live (frames/transcript/agent) ↔ Summary (post-session export)
+        self._right_stack = Adw.ViewStack()
+        self._right_stack.set_vexpand(True)
+
+        live_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=2)
+        live_box.set_vexpand(True)
+
         frames_frame = Gtk.Frame()
         frames_frame.set_child(self._frames_panel)
-        right_box.append(frames_frame)
+        live_box.append(frames_frame)
 
-        # Transcript
         transcript_frame = Gtk.Frame()
         transcript_frame.set_child(self._transcript_panel)
-        right_box.append(transcript_frame)
+        live_box.append(transcript_frame)
 
-        # Agent input
         self._agent_input = AgentInputPanel()
         self._agent_input.connect("send-requested", lambda p, text: self._send_message(text or None))
         self._agent_input.connect("action-requested", lambda p, verb: self._send_action(verb))
@@ -586,7 +602,20 @@ class ChtWindow(Adw.ApplicationWindow):
         self._agent_input.connect("lang-changed", self._on_lang_changed)
         self._agent_input.connect("history-toggled", lambda p, v: setattr(self._agent, "include_history", v))
         self._agent_input.connect("permission-changed", self._on_permission_changed)
-        right_box.append(self._agent_input)
+        live_box.append(self._agent_input)
+
+        live_page = self._right_stack.add_titled(live_box, "live", "Live")
+        live_page.set_icon_name("video-display-symbolic")
+
+        self._summary_panel = SummaryPanel()
+        summary_page = self._right_stack.add_titled(self._summary_panel, "summary", "Summary")
+        summary_page.set_icon_name("text-x-generic-symbolic")
+
+        switcher = Adw.ViewSwitcher()
+        switcher.set_stack(self._right_stack)
+        switcher.set_policy(Adw.ViewSwitcherPolicy.WIDE)
+        right_box.append(switcher)
+        right_box.append(self._right_stack)
 
         return right_box