Fix Qt worker lifecycle crash

tests/unit/test_desktop_controller.py

@@ -7,8 +7,10 @@ from pathlib import Path
 from types import SimpleNamespace
 
 from javis.core.chat_service import ChatService
+from javis.core.provider_router import ApprovalChoice
 from javis.memory.sqlite_store import SQLiteSessionStore
 from javis.providers.base import ChatMessage, ResponseAbortedError
+from javis.security.privacy import CloudPolicy, PrivacyDecision
 from javis.ui.chat_controller import DesktopController, sanitized_error
 from javis.ui.models import GenerationState, StreamEventKind
 
@@ -45,10 +47,17 @@ class _Service:
 class _Hybrid:
     mode = "auto"
     last_route = None
+    queued_approval = None
 
     def set_mode(self, mode: str) -> None:
         self.mode = mode
 
+    def privacy_decision(self, _text: str) -> PrivacyDecision:
+        return PrivacyDecision(CloudPolicy.ASK, "Test")
+
+    def queue_approval(self, choice: ApprovalChoice) -> None:
+        self.queued_approval = choice
+
 
 class _StreamingProvider:
     name = "ollama"
@@ -91,6 +100,17 @@ class DesktopControllerTests(unittest.TestCase):
         self.assertEqual(loaded.messages[0].content, "Hallo")
         self.assertEqual(renamed.title, "Neu")
 
+    def test_controller_preflights_and_queues_gui_approval(self) -> None:
+        decision = self.controller.approval_decision("Private Frage")
+        self.controller.queue_approval(ApprovalChoice.ALLOW)
+
+        self.assertIsNotNone(decision)
+        self.assertIs(decision.policy, CloudPolicy.ASK)
+        self.assertIs(
+            self.runtime.hybrid_provider.queued_approval,
+            ApprovalChoice.ALLOW,
+        )
+
     def test_error_sanitizer_masks_key_patterns(self) -> None:
         secret = "AIza" + "x" * 25
         result = sanitized_error(RuntimeError(f"Fehler {secret}"))