fix(rdp): decouple activity view from disconnected sessions

aw-server/test_aw_worktime_ui_bridge.py

@@ -0,0 +1,35 @@
+#!/usr/bin/env python3
+import importlib.util
+import unittest
+from datetime import datetime, timedelta, timezone
+from pathlib import Path
+from unittest import mock
+
+
+MODULE_PATH = Path(__file__).with_name("aw-worktime-ui-bridge.py")
+SPEC = importlib.util.spec_from_file_location("aw_worktime_ui_bridge", MODULE_PATH)
+MODULE = importlib.util.module_from_spec(SPEC)
+SPEC.loader.exec_module(MODULE)
+
+
+class WorktimeUiBridgeTests(unittest.TestCase):
+    def test_bucket_needs_fallback_when_bucket_is_missing(self):
+        now = datetime(2026, 5, 22, 16, 0, 0, tzinfo=timezone.utc)
+        with mock.patch.object(MODULE, "get_latest_bucket_event_ts", return_value=None):
+            self.assertTrue(MODULE.bucket_needs_fallback("aw-watcher-window_SHARKON2025", now, 600))
+
+    def test_bucket_needs_fallback_when_bucket_is_recent(self):
+        now = datetime(2026, 5, 22, 16, 0, 0, tzinfo=timezone.utc)
+        recent = now - timedelta(seconds=120)
+        with mock.patch.object(MODULE, "get_latest_bucket_event_ts", return_value=recent):
+            self.assertFalse(MODULE.bucket_needs_fallback("aw-watcher-window_SHARKON2025", now, 600))
+
+    def test_bucket_needs_fallback_when_bucket_is_stale(self):
+        now = datetime(2026, 5, 22, 16, 0, 0, tzinfo=timezone.utc)
+        stale = now - timedelta(seconds=601)
+        with mock.patch.object(MODULE, "get_latest_bucket_event_ts", return_value=stale):
+            self.assertTrue(MODULE.bucket_needs_fallback("aw-watcher-afk_SHARKON2025", now, 600))
+
+
+if __name__ == "__main__":
+    unittest.main()