fix(runtime): recover awake ownership and batch model failures

artemis/runtime/awake_service.py

@@ -101,7 +101,10 @@ def _configure_usb_stay_awake(device_id: str) -> str | None:
     # Migration cleanup belongs to the long-lived host. A queued task worker
     # must not wait on another process's optional legacy wake-lock cleanup.
     if os.environ.get("ARTEMIS_TASK_WORKER") != "1":
-        ScreenAwakeLease(device_id).cleanup_unowned_references()
+        try:
+            ScreenAwakeLease(device_id).cleanup_unowned_references()
+        except OSError as exc:
+            logger.warning(f"Could not prepare optional legacy awake cleanup on {device_id}: {exc}")
 
     commands = (
         (
@@ -209,6 +212,7 @@ class ScreenAwakeService:
         self._monitor_thread: threading.Thread | None = None
         self._shutdown_requested = False
         self._owners: dict[str, FileLock] = {}
+        self._ownership_warnings: set[str] = set()
 
     def start(self, device_ids: Iterable[str] | None = None) -> dict[str, str | None]:
         if self._shutdown_requested:
@@ -241,13 +245,24 @@ class ScreenAwakeService:
             existing = self._strategies.get(device_id)
             if existing is not None:
                 return existing
-            owner = _owner_lock(device_id)
             try:
+                owner = _owner_lock(device_id)
                 owner.acquire(timeout=0)
             except Timeout:
                 # Do not cache a follower as owner: discovery can take over if
                 # the process holding the OS lock exits or releases the device.
                 return None
+            except OSError as exc:
+                # Awake is optional. Never bypass ownership or let an ACL / I/O
+                # failure abort device connection, resume, or the host monitor.
+                if device_id not in self._ownership_warnings:
+                    logger.warning(
+                        f"Could not acquire awake ownership on {device_id}; skipping optional "
+                        f"stay-awake policy: {exc}"
+                    )
+                    self._ownership_warnings.add(device_id)
+                return None
+            self._ownership_warnings.discard(device_id)
             try:
                 strategy = _configure_usb_stay_awake(device_id)
             except BaseException: