Removed file that somehow sneaked into the code, harmless but unnecessary.

cpu-usage.patch

@@ -1,123 +0,0 @@
-diff --git a/src/fenrirscreenreader/core/remoteInstanceRegistry.py b/src/fenrirscreenreader/core/remoteInstanceRegistry.py
-index 5733f3ab..07d707af 100644
---- a/src/fenrirscreenreader/core/remoteInstanceRegistry.py
-+++ b/src/fenrirscreenreader/core/remoteInstanceRegistry.py
-@@ -12,6 +12,7 @@ import time
- 
- 
- INSTANCE_TIMEOUT_SEC = 30.0
-+REGISTRY_DIR_MODE = 0o1777
- 
- 
- def get_registry_dir():
-@@ -26,8 +27,8 @@ def get_instance_file(pid=None):
- 
- def write_instance(instance_data):
-     registry_dir = get_registry_dir()
--    os.makedirs(registry_dir, mode=0o755, exist_ok=True)
--    os.chmod(registry_dir, 0o755)
-+    os.makedirs(registry_dir, mode=REGISTRY_DIR_MODE, exist_ok=True)
-+    os.chmod(registry_dir, REGISTRY_DIR_MODE)
-     prune_stale_instances()
-     instance_data["updated_at"] = time.time()
-     instance_path = get_instance_file(instance_data.get("pid"))
-diff --git a/src/fenrirscreenreader/remoteDriver/unixDriver.py b/src/fenrirscreenreader/remoteDriver/unixDriver.py
-index e7411184..720671cb 100644
---- a/src/fenrirscreenreader/remoteDriver/unixDriver.py
-+++ b/src/fenrirscreenreader/remoteDriver/unixDriver.py
-@@ -114,6 +114,17 @@ class driver(remoteDriver):
-         }
-         remoteInstanceRegistry.write_instance(instance_data)
- 
-+    def _try_register_instance(self):
-+        try:
-+            self._register_instance()
-+            return True
-+        except Exception as e:
-+            self.env["runtime"]["DebugManager"].write_debug_out(
-+                "unixDriver could not register instance: " + str(e),
-+                debug.DebugLevel.ERROR,
-+            )
-+            return False
-+
-     def _socket_file_matches_socket(self, fenrir_sock, socket_file):
-         try:
-             if os.stat(socket_file).st_uid != os.getuid():
-@@ -328,11 +339,11 @@ class driver(remoteDriver):
-         if not self.fenrirSocks:
-             return
- 
--        self._register_instance()
-+        self._try_register_instance()
-         last_register = time.time()
-         while active.value:
-             if time.time() - last_register > 10.0:
--                self._register_instance()
-+                self._try_register_instance()
-                 last_register = time.time()
- 
-             # Check if the client is still connected and if data is available:
-diff --git a/tests/unit/test_remote_instance_registry.py b/tests/unit/test_remote_instance_registry.py
-index 7955665a..1b9aec28 100644
---- a/tests/unit/test_remote_instance_registry.py
-+++ b/tests/unit/test_remote_instance_registry.py
-@@ -1,9 +1,24 @@
- import json
-+import stat
- import time
- 
- from fenrirscreenreader.core import remoteInstanceRegistry
- 
- 
-+def test_write_instance_creates_shared_sticky_registry_directory(
-+    tmp_path, monkeypatch
-+):
-+    registry_dir = tmp_path / "instances"
-+    monkeypatch.setattr(
-+        remoteInstanceRegistry, "get_registry_dir", lambda: str(registry_dir)
-+    )
-+
-+    remoteInstanceRegistry.write_instance({"pid": 456})
-+
-+    mode = stat.S_IMODE(registry_dir.stat().st_mode)
-+    assert mode == 0o1777
-+
-+
- def test_write_instance_prunes_stale_registry_files(tmp_path, monkeypatch):
-     monkeypatch.setattr(
-         remoteInstanceRegistry, "get_registry_dir", lambda: str(tmp_path)
-diff --git a/tests/unit/test_unix_remote_driver.py b/tests/unit/test_unix_remote_driver.py
-index ea95d816..325aa733 100644
---- a/tests/unit/test_unix_remote_driver.py
-+++ b/tests/unit/test_unix_remote_driver.py
-@@ -3,6 +3,30 @@ from unittest.mock import Mock, mock_open, patch
- from fenrirscreenreader.remoteDriver import unixDriver
- 
- 
-+def test_watchdog_keeps_serving_when_instance_registration_fails(
-+    mock_environment,
-+):
-+    driver = unixDriver.driver()
-+    driver.env = mock_environment
-+    driver.fenrirSocks = [Mock()]
-+    active = Mock(value=True)
-+    event_queue = Mock()
-+
-+    def stop_after_select(*_args):
-+        active.value = False
-+        return ([], [], [])
-+
-+    with patch.object(driver, "_get_socket_candidates", return_value=[]), patch.object(
-+        driver, "_register_instance", side_effect=PermissionError("denied")
-+    ), patch(
-+        "fenrirscreenreader.remoteDriver.unixDriver.select.select",
-+        side_effect=stop_after_select,
-+    ) as select_call:
-+        driver.watch_dog(active, event_queue)
-+
-+    select_call.assert_called_once()
-+
-+
- class FakeClientSocket:
-     def __init__(self, data):
-         self.data = data