feat: add desktop ui foundation

tests/unit/test_desktop_controller.py

@@ -0,0 +1,73 @@
+from __future__ import annotations
+
+import unittest
+from types import SimpleNamespace
+
+from javis.providers.base import ChatMessage
+from javis.ui.chat_controller import DesktopController, sanitized_error
+
+
+class _Service:
+    def __init__(self) -> None:
+        self.sessions = [
+            SimpleNamespace(id="one", title="Eins"),
+            SimpleNamespace(id="two", title="Zwei"),
+        ]
+
+    def new_session(self):
+        return self.sessions[0]
+
+    def list_sessions(self):
+        return self.sessions
+
+    def search_sessions(self, text: str):
+        return [session for session in self.sessions if text in session.title]
+
+    def load_session(self, session_id: str):
+        session = next(item for item in self.sessions if item.id == session_id)
+        return SimpleNamespace(
+            session=session,
+            messages=[ChatMessage("user", "Hallo")],
+        )
+
+    def rename_session(self, session_id: str, title: str):
+        session = next(item for item in self.sessions if item.id == session_id)
+        session.title = title
+        return session
+
+
+class _Hybrid:
+    mode = "auto"
+    last_route = None
+
+    def set_mode(self, mode: str) -> None:
+        self.mode = mode
+
+
+class DesktopControllerTests(unittest.TestCase):
+    def setUp(self) -> None:
+        self.runtime = SimpleNamespace(
+            service=_Service(),
+            hybrid_provider=_Hybrid(),
+        )
+        self.controller = DesktopController(self.runtime)
+
+    def test_controller_manages_sessions_without_qt_window(self) -> None:
+        created = self.controller.new_session()
+        listed = self.controller.list_sessions()
+        searched = self.controller.list_sessions("Zwei")
+        loaded = self.controller.load_session("two")
+        renamed = self.controller.rename_active_session("Neu")
+
+        self.assertEqual(created.id, "one")
+        self.assertEqual(len(listed), 2)
+        self.assertEqual([session.id for session in searched], ["two"])
+        self.assertEqual(loaded.messages[0].content, "Hallo")
+        self.assertEqual(renamed.title, "Neu")
+
+    def test_error_sanitizer_masks_key_patterns(self) -> None:
+        secret = "AIza" + "x" * 25
+        result = sanitized_error(RuntimeError(f"Fehler {secret}"))
+
+        self.assertNotIn(secret, result)
+        self.assertIn("MASKIERT", result)