update

src/cognitive_agent/application/seat_service.py

@@ -6,6 +6,7 @@ import json
 import os
 import re
 import sys
+import tempfile
 import time
 import uuid
 from concurrent.futures import ThreadPoolExecutor
@@ -237,7 +238,14 @@ class SeatDemoService:
         }
         self.model_plan_adapter = ModelPlanAdapter(self.capability_context)
         self.vehicle_profiles = VehicleProfileRegistry(repository_root / "config" / "vehicles")
-        self.mode_profiles = ModeProfileRegistry(repository_root / "config" / "modes")
+        self._mode_session_directory = tempfile.TemporaryDirectory(
+            prefix="cognitive-agent-mode-session-",
+            ignore_cleanup_errors=True,
+        )
+        self.mode_profiles = ModeProfileRegistry(
+            repository_root / "config" / "modes",
+            user_root=Path(self._mode_session_directory.name),
+        )
         self._artifact_root = repository_root / "artifacts" / "runs"
         self.conversations = ConversationStateStore(
             preset_root=repository_root / "artifacts" / "user-presets"
@@ -343,6 +351,7 @@ class SeatDemoService:
             "vehicle": default_vehicle.public_dict(),
             "vehicles": self.vehicle_profiles.public_profiles(),
             "modes": self.mode_profiles.public_modes(default_vehicle.id),
+            "mode_profile_storage": "runtime_session_volatile",
             "preset_storage": "conversation_durable",
             "inferred_level_range": [1, 3],
             "motion_position_range_pct": [0, 100],