feat: connect desktop sessions and streaming

src/javis/ui/main_window.py

@@ -25,6 +25,7 @@ from PySide6.QtWidgets import (
     QWidget,
 )
 
+from javis.core.provider_router import ApprovalChoice
 from javis.providers.base import ChatMessage
 from javis.security.privacy import PrivacyDecision
 from javis.ui.chat_controller import DesktopController
@@ -63,7 +64,7 @@ class MainWindow(QMainWindow):
         self._build_ui()
         self._connect_signals()
         self._apply_style()
-        self._new_session()
+        self._open_initial_session()
         self._animation = QTimer(self)
         self._animation.timeout.connect(self._animate_state)
         self._animation.start(450)
@@ -191,6 +192,20 @@ class MainWindow(QMainWindow):
         self.message_edit.setFocus()
         self._refresh_status()
 
+    def _open_initial_session(self) -> None:
+        try:
+            sessions = self.controller.list_sessions()
+            if sessions:
+                loaded = self.controller.load_session(sessions[0].id)
+                self._messages = list(loaded.messages)
+                self._render_chat()
+                self._refresh_sessions()
+                self._refresh_status()
+                return
+        except Exception as exc:
+            self._show_error(str(exc))
+        self._new_session()
+
     def _refresh_sessions(self) -> None:
         try:
             sessions = self.controller.list_sessions(self.search_edit.text())
@@ -332,8 +347,17 @@ class MainWindow(QMainWindow):
         box.setInformativeText(f"Lokale Einstufung: {decision.reason}")
         allow = box.addButton("Einmal erlauben", QMessageBox.AcceptRole)
         local = box.addButton("Lokal beantworten", QMessageBox.RejectRole)
+        cancel = box.addButton("Abbrechen", QMessageBox.DestructiveRole)
         box.exec()
-        self.approval_bridge.resolve(box.clickedButton() is allow)
+        clicked = box.clickedButton()
+        choice = ApprovalChoice.CANCEL
+        if clicked is allow:
+            choice = ApprovalChoice.ALLOW
+        elif clicked is local:
+            choice = ApprovalChoice.LOCAL
+        elif clicked is cancel:
+            choice = ApprovalChoice.CANCEL
+        self.approval_bridge.resolve(choice)
         if box.clickedButton() is local:
             self.statusBar().showMessage("Die Anfrage wird lokal beantwortet.", 3000)